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  • 1.
    Ultrasonographic features of carotid web
    Jie Yang, Yang Hua, Fubo Zhou, Xiaojie Tian, Ran Liu, Lingyun Jia
    Chinese Journal of Medical Ultrasound (Electronic Edition) 2020, 17 (07): 679-683. DOI: 10.3877/cma.j.issn.1672-6448.2020.07.017
    Abstract (534) HTML (3) PDF (716 KB) (228)
    Objective

    To evaluate the features of carotid web (CW) by ultrasonography.

    Methods

    A total of 66 patients with CW were retrospectively enrolled from January 2018 to June 2019 at Xuanwu Hospital, Capital Medical University. All patients were examined by both ultrasonography and CTA, and were divided into either a<50% stenosis group (54 cases) or a ≥50% stenosis group (12 cases). The ultrasonographic characteristics of CW, including the length, thickness, direction (forward or backward to the flow), acute angle between the web and carotid wall, and thrombus between the web and carotid wall were compared between the two groups. The stenosis degrees of carotid artery were compared between patients with and without ischemic stroke.

    Results

    Forty-two (42/66, 63.6%) patients were diagnosed with CW by initial CDFI examination, of whom 21 (21/66, 31.8%) were diagnosed with ulcerative plaque and 3 (3/66, 4.5%) were diagnosed with carotid dissection at first but confirmed by second examination. There were no differences in the web length, thickness, direction, or thrombus detected between the two groups (P>0.05). The angle between the web and carotid wall in the<50% stenosis group was significantly smaller than that of the ≥50% stenosis group (median angel 39o vs 73o, P=0.002), and the percentage of patients with an angle≤ 60o in the<50% stenosis group was significantly higher than that of the ≥50% stenosis group (74.1% vs 41.7%, P=0.042). The diameter of the residual carotid artery at CW location in the<50% stenosis group was significantly larger and peak systolic velocity was significantly higher in the<50% stenosis group than in the≥50% stenosis group (P<0.001). The stenosis degrees of carotid artery were not statistically different between patients with and without ischemic stroke (P=0.321).

    Conclusion

    Ultrasonography can be used to evaluate the characteristics of carotid web in 2D and color mode. When the angle between the CW and carotid wall is large, the carotid artery stenosis ≥ 50% is more likely to happen, but carotid artery stenosis is not the main cause of ischemic stroke.

  • 2.
    Different historical stages of elderly orthopaedic treatments--A retrospect and prospect analysis
    Yingze Zhang
    Chinese Journal of Geriatric Orthopaedics and Rehabilitation(Electronic Edition) 2018, 04 (01): 1-3. DOI: 10.3877/cma.j.issn.2096-0263.2018.01.001
    Abstract (170) HTML (8) PDF (374 KB) (13)
  • 3.
    The effect of combining therapeutic ultrasound and sling exercise for lumbar disc herniation
    Weiwei Wu, Jianye Cao, Liwei Dong, Jing Zhang
    Chinese Journal of Geriatric Orthopaedics and Rehabilitation(Electronic Edition) 2020, 06 (05): 291-296. DOI: 10.3877/cma.j.issn.2096-0263.2020.05.008
    Abstract (313) HTML (1) PDF (657 KB) (4)
    Objective

    The aim of the present study was to evaluate the efficiency of sling exercise, therapeuticultrasound, therapeuticultrasound and sling exercise in patients to alleviate pain and improve lumbar function with lumbar disc herniation.

    Methods

    Individuals were selected from a list of patients being followed at the department of Rehabilitation in the third hospital of Hebei Medical University. 30 patients who were diagnosed with lumbar disc herniation were collected, the diagnoses were established upon medical history, physical examination, and results of imaging studies. The patients were randomly divided into three groups: therapeuticultrasound group received 14 sessions of ultrasonic therapy to the lumbar region, Sling exercise group received 14 sessions of sling exercise, and therapeuticultrasound and sling exercise group received therapeuticultrasound and sling exercise therapy 14 sessions of therapeuticultrasound to the lumbar region,7 sessions per week, 2 weeks. The VAS and ODI were compared with the assessment of the patients before and at the end of the therapy.

    Results

    At the end of treatment, three groups VAS scores (F=3.069, P=0.043) and ODI scores (t=12.676, P<0.001) was lower than that at the beginning of treatment (P<0.05), at the end of treatment the VAS scores (F=59.400, P<0.001) and of the ODI scores (t=12.737, P<0.001) of ultrasonic and sling exercise therapy group was lower than the other group, the difference is significantly.

    Conclusion

    All three groups could reduce pain and improve lumbar function, and the ultrasonic and sling exercise therapy was most effective for lumbar disc herniation treatment in the three groups.

  • 4.
    Diagnosis and treatment of traumatic cerebral infarction in children
    Guiling Zhang, Huaiqiang Zhang, Hongsheng Wang, Yinchen Sun, Peilin Zhao, Zhiming Wang, Wenbo Meng
    Chinese Journal of Neurotraumatic Surgery(Electronic Edition) 2020, 06 (04): 229-232. DOI: 10.3877/cma.j.issn.2095-9141.2020.04.008
    Abstract (255) HTML (4) PDF (589 KB) (14)
    Objective

    To analyze the treatment of different types of traumatic cerebral infarction in children, and explore its pathogenesis in combination with literature so as to improve the cure rate and reduce disability rate.

    Methods

    The clinical data of 42 cases of traumatic cerebral infarction in children were retrospectively analyzed in The Hospital of 81st Group Army PLA from January 2015 to December 2019. The diagnosis of traumatic cerebral infarction in children was made by CT scan and MRI scan. According to different conditions, children with traumatic cerebral infarction were classified, and different treatment strategies were selected. Children with lacunar infarction were treated with calcium antagonists and neurotrophic drugs, supplemented by hyperbaric oxygen and exercise rehabilitation. The children of focal cerebral infarction and complex cerebral infarction treated by junior dehydrant and hormone also included the calcium antagonist and nutritional nerve drugs. The therapeutic regimen perhaps adjusted by the evolution of the disease. The children of extensive cerebral infarction underwent emergency cranial decompression, and was treated by reducing intracranial pressure and preventing complications after operation. The treatment results and recovery were observed.

    Results

    In 42 cases of traumatic cerebral infarction in children, 35 cases (83.3%) were good recovery, 4 cases (9.5%) were moderate disability, 2 cases (4.8%) were severe disability, 1 case (2.4%) died, and no vegetative state. The good recovery rate of lacunar infarction was 100%, that of focal cerebral infarction was 62.5%, that of mixed cerebral infarction was 60%, and that of extensive cerebral infarction was 50%.

    Conclusion

    It is of great significance to improve the therapeutic effect and prognosis of children with traumatic cerebral infarction to adopt different treatment schemes for different types of cerebral infarction.

  • 5.
    Characterization of Patients with Supratentorial Hypertensive Intracerebral Hemorrhage in the Tibetan Plateau over an Altitude of 4000 meters
    Zhongzheng He, Jiankang Ma, Sang Gong, Gongsangmingjiu, Cidanzhaxi, Zhiyong Jin, Caihong Ran, Hong Wang, Yu Wang, Qianfa Long
    Chinese Journal of Cerebrovascular Diseases(Electronic Edition) 2020, 14 (02): 96-99. DOI: 10.11817/j.issn.1673-9248.2020.02.007
    Abstract (479) HTML (2) PDF (555 KB) (15)
    Objective

    To characterize the patients with supratentorial hypertensive intracerebral hemorrhage (ICH) in the Tibetan Plateau over an altitude of 4000 meters.

    Methods

    A total of 68 cases with supratentorial hypertensive ICH were retrospectively included in Ali Regional People’s Hospital from January 2017 to September 2018. The clinical and laboratory data were collected. A simple linear correlation analysis was applied to analyze the correlation between the amount of bleeding and sex, age, nationality, time from onset , systolic blood pressure (SBP), diastolic blood pressure (DBP), hemoglobin (Hb), serum triglyceride (TG), and cholesterol. According to computed tomography (CT) findings, 68 cases were divided into the basal ganglia ICH group (33 cases) and the lobar ICH group (35 cases). The characteristics between two groups were analyzed using t-test or χ2 test.

    Results

    The data of sex, age, nationality, time from onset, SBP, DBP, Hb, TG, and cholesterol of 68 cases on admission did not show any definitive correlation with the hematoma volumes (P>0.05). The SBP and DBP of patients in the basal ganglia ICH group were significantly higher than that in the lobar ICH group, respectively [(184.9±28.5) mmHg vs (164.6±24.4) mmHg; (113.0±18.1) mmHg vs (103.0±18.4) mmHg] (t=0.499, 0.486; P=0.002, 0.033).

    Conclusion

    The relevant factors of hematoma volumes in patients with ICH in plateau area were not yet clear. Diastolic and systolic blood pressure of patients in the basal ganglia ICH group was higher than that in those in lobar ICH group.

  • 6.
    Multi-center study of electrospun composite biomaterial and SIS biological mesh in adult inguinal hernia surgery
    Shaojie Li, Jianxiong Tang, Hongbing Xiao, Lei Hua, Lei Huang, Ding Ping, Xianke Si, Xingchen Hu, Zhao Cai
    Chinese Journal of Hernia and Abdominal Wall Surgery(Electronic Edition) 2020, 14 (04): 336-341. DOI: 10.3877/cma.j.issn.1674-392X.2020.04.004
    Abstract (268) HTML (7) PDF (882 KB) (31)
    Objective

    To compare the efficacy evaluation of electrospun composite biomaterials and a porcine small intestine submucosa mesh for hernia repair.

    Methods

    A randomized, single-blind, controlled multicenter trial was performed in 3 hospitals in Shanghai. Eligible adult patients with primary unilateral reducible groin hernias were randomly assigned (1∶1) to electrospun composite biomaterials (experimental group) or porcine small intestine submucosa (control group) mesh groups. Patients were treated with the tARB technique and assessed at 1,3 and 6 months after the surgery. The primary endpoint was hernia recurrence. The secondary endpoints were postoperative complications including groin pain and operative site infections.

    Results

    172 patients were assigned to experimental (n=86) and control (n=86) groups. At 6 months follow-up, postoperative complications occurred in 5 patients (5/86, 5.95%) and 2 (2/86, 2.35%) patients in the control and experimental groups, respectively (P>0.05). There was no significant difference in VAS or SVS score between the two groups.

    Conclusion

    We demonstrate that electrospun composite biomaterial mesh can be used as a ideal choice for inguinal hernia repair. Electrospun composite biomaterial has the characteristics of low recurrence rate, absorbability and long-term comfort.It can be further applied in clinical practice in the future.

  • 7.
    Key surgical techniques and notes of laparoscopic pancreaticoduodenectomy by using robotic surgery system
    Rong Liu, Jizhe Li
    Chinese Journal of Operative Procedures of General Surgery(Electronic Edition) 2019, 13 (04): 336-339. DOI: 10.3877/cma.j.issn.1674-3946.2019.04.004
    Abstract (97) HTML (1) PDF (872 KB) (28)

    Pancreaticoduodenectomy(PD)remains one of the most complicated hepatobiliary operations. The development of minimally invasive surgery for PD has always been an hot spot. Laparoscopic pancreaticoduodenectomy(LPD) has not been widespread carried out due to its difficulty and long learning curve. LPD accounts for 9% of all PD, according to the National Cancer Data base. Compared with laparoscopic surgery, robotic surgery system has significant advantages in the field of minimally invasive PD, including stereotactic amplified vision, filtering hand tremor and simulating the wrist. The article would review the surgical techniques and notes, which could provide clinical reference for other surgeons.

  • 8.
    Refined management of COVID-19 prevention and control in medical ultrasound department during COVID-19 epidemic
    Zhang Zhang, Lü Lü, Meng Meng
    Chinese Journal of Medical Ultrasound (Electronic Edition) 2020, 17 (08): 787-790. DOI: 10.3877/cma.j.issn.1672-6448.2020.08.014
  • 9.
    Comparative analysis of dynamic visual acuity and visual quality following implantation of bifocal and extended depth of focus intraocular lenses
    Yanxia Li, Huixia Jiang, Yuexin Wang, Jie Wu, Qian Zhang, Shiqi Qin, Zhiqi Xiong, Haifa Liu, Weiqi Wu, Xuemin Li, Yu Xiong
    Chinese Journal of Ophthalmologic Medicine(Electronic Edition) 2025, 15 (06): 327-332. DOI: 10.3877/cma.j.issn.2095-2007.2025.06.002
    Abstract (3) HTML (0) PDF (2637 KB) (0)
    Objective

    The aim of this study is to compare static visual acuity (SVA) and dynamic visual acuity (DVA) in cataract patients following implantation of bifocal or extended depth-of-focus (EDOF) intraocular lense (IOL).

    Methods

    A total of 45 patients (69 eyes) who underwent phacoemulsification combined with IOL implantation at the Department of Ophthalmology, The Second Affiliated Hospital of Nanchang University from January to December 2024 were enrolled. The cohort comprised 18 males (24 eyes) and 27 females (45 eyes) with a mean age of (62.8±4.6) years (ranging from 55 to 73 years). Patients were divided into two groups based on the IOL type implanted: bifocal IOL, and EDOF IOL, the former patients were received bifocal IOL, and later patients were received EDOF IOL. At 3 months postoperatively, the following parameters were measured: static uncorrected distance visual acuity (UDVA), intermediate visual acuity (UIVA), and near visual acuity (UNVA); dynamic uncorrected distance visual acuity (UDDVA), intermediate dynamic visual acuity (UIDVA), and near dynamic visual acuity (UNDVA) under horizontal motion at speeds of 15, 30, 60, and 90 degrees per second (dps); and kinetic visual acuity (KVA) at speeds of 5, 10, 20, and 30 km/h. Defocus curves were also plotted. SVA, DVA, and KVA were expressed as median (interquartile range). Intergroup comparisons were performed using the Mann-Whitney U test. The correlation between dynamic and static visual acuity was analyzed using Spearman′s rank correlation.

    Results

    At 3 months postoperatively, the UIVA in the EDOF IOL group was 0.05 (0.10) logarithm of the minimum angle of resolution (logMAR), which was significantly better than the 0.30 (0.08)logMAR in the bifocal IOL group (U=45.0, P<0.05). Conversely, the UNVA in the bifocal IOL group was 0.15 (0.11)logMAR, significantly better than the 0.22 (0.08)logMAR in the EDOF IOL group (U=996.0, P<0.05). Regarding DVA, the UIDVA for the EDOF IOL group at 15, 30, 60, and 90 dps were 0.10 (0.10)logMAR, 0.15 (0.12)logMAR, 0.15 (0.07)logMAR, and 0.30 (0.08)logMAR, respectively. These values were superior to those of the bifocal IOL group, which were 0.30 (0.14)logMAR, 0.30 (0.10)logMAR, 0.40 (0.10)logMAR, and 0.40 (0.12)logMAR, respectively, with the differences being statistically significant (U=24.0, 34.5, 27.0, 120.0; all P>0.05). The UNDVA for the bifocal IOL group at 15, 30, 60, and 90 dps were 0.15 (0.12)logMAR, 0.22 (0.15)logMAR, 0.22 (0.08)logMAR, and 0.30 (0.10)logMAR, respectively. These were superior to the corresponding values in the EDOF IOL group, which were 0.30 (0.08)logMAR, 0.30 (0.06)logMAR, 0.35 (0.10)logMAR, and 0.52 (0.12)logMAR, with the differences being statistically significant (U=961.0, 922.0, 938.5, 985.0; all P>0.05). During testing at far and near distances, a significant correlation was observed between DVA and the corresponding SVA at speeds of 15, 30, and 60 dps in both groups (P < 0.05). At 3 months postoperatively, the defocus curve results indicated that at -1.5 D, the visual acuity in the EDOF IOL group was 0.22 (0.18)logMAR, significantly better than the 0.40 (0.15)logMAR in the bifocal IOL group (U=114.5, P<0.05). At -3.0 D, the visual acuity in the bifocal IOL group was 0.15 (0.12)logMAR, which was significantly better than the 0.40 (0.10)logMAR in the EDOF IOL group (U=1135.0, P<0.05).

    Conclusions

    Both IOL types provided good distance SVA and DVA. Bifocal IOL demonstrated superior near SVA and DVA, whereas EDOF IOL demonstrated superior intermediate SVA and DVA. Comprehensive assessment of both SVA and DVA may aid in optimizing IOL selection for cataract patients.

  • 10.
    Diagnostic value of structural and vascular parameters and a combined diagnostic model for open-angle glaucoma in high myopia
    Haocheng Xian, Ke Xu, Jinyue Dai, Xuemin Li
    Chinese Journal of Ophthalmologic Medicine(Electronic Edition) 2025, 15 (06): 333-339. DOI: 10.3877/cma.j.issn.2095-2007.2025.06.003
    Abstract (3) HTML (0) PDF (2953 KB) (4)
    Objective

    The aim of this study is to compare the diagnostic performance of peripapillary and macular structural and perfusion parameters obtained by swept-source optical coherence tomography (OCT) and optical coherence tomography angiography (OCTA) in high myopia with open-angle glaucoma (OAG), and to develop a parsimonious combined diagnostic model.

    Methods

    A total of 239 patients (239 eyes) with HM who attended the Department of Ophthalmology, Peking University Third Hospital, from June 2022 to December 2024 and completed the relevant examinations were enrolled in the study. Among them, 97 were male (97 eyes) and 142 were female (142 eyes) with a mean of (53.1±8.6) years (ranging from 32 to 68 years). According to the presence or absence of OAG, the participants were divided into the HM group and the HM combined with OAG group (HMG group). Age, gender, spherical equivalent, axial length (AL), and visual field indices were recorded. OCT and OCTA were used to obtain parameters including peripapillary retinal nerve fiber layer (RNFL) thickness and radial peripapillary capillary (RPC) density, macular ganglion cell complex (GCC) thickness and loss volume indices, superficial capillary plexus (SCP) vessel density, and deep capillary plexus (DCP) vessel density. After Shapiro-Wilk normality testing, data were expressed as ±s, and comparisons between the two groups were performed using the independent-samples t test. The Benjamini-Hochberg method was used for false discovery rate correction of sectoral structural and blood flow parameters. Gender was expressed as number of cases and percentage and compared using the χ2 test. Receiver operating characteristic curve analysis was used to calculate the area under the curve (AUC) and 95% confidence interval (CI), and differences in AUC were compared using the DeLong test. The indicators with significant statistical significance of AUC were selected to enter the multivariate Logistic regression model, and the simplified joint diagnosis model was constructed by multivariate Logistic regression analysis. Multicollinearity was evaluated by variance expansion factor, and variance expansion factor<5 was acceptable.

    Results

    There were no statistically significant differences between the HM group 117 patients (117 eyes) and the HMG group 122 patients(122 eyes) in age, AL, spherical equivalent refraction, or central corneal thickness (t=-1.63, -1.50, 0.97, 0.8; P>0.05). However, the differences in mean deviation and pattern standard deviation of the visual field between the HMG and HM groups were statistically significant (t=15.3, -11.9; P<0.05). The global peripapillary RNFL thickness in the HMG group was (83.5±11.6) μm, which was lower than that in the HM group (94.2±10.2) μm, and the difference between groups was statistically significant (t=7.58, adjusted P<0.05), with an AUC of 0.76 (95%CI: 0.70 to 0.82). Quadrant analysis showed that the differences in superior and inferior RNFL thickness in the HMG group were both statistically significant (t=7.61 and 12.85; adjusted P<0.05). The global peripapillary RPC density in the HMG group was (47.1±5.1) %, which was lower than that in the HM group (49.2±3.4)%, and the difference between groups was statistically significant (t=3.76, adjusted P<0.05), with an AUC of 0.63 (95%CI: 0.56 to 0.70). Among these, inferior quadrant RPC density had the highest AUC (AUC=0.79, 95%CI: 0.73 to 0.84). The temporal quadrant RPC density in the HMG group was (44.8±4.5) %, which was close to that in the HM group (45.2±3.8)%, with no statistically significant difference (t=0.74, adjusted P>0.05). Among macular structural parameters, the global average GCC thickness in the HMG group was (85.1±10.5) μm, lower than that in the HM group (92.4±8.2) μm, and the difference between groups was statistically significant (t=6.00, adjusted P<0.05), with an AUC of 0.71 (95%CI: 0.64 to 0.77). The GLV in the HMG group was (14.2±6.8) %, higher than that in the HM group (4.2±3.2) %, and the difference between groups was statistically significant (t=-14.65, adjusted P<0.05), with an AUC of 0.88 (95%CI: 0.85 to 0.91). Analysis of macular blood flow parameters showed that, in the SCP, the inferior inner-ring vessel density in the HMG group was (44.5±5.2)%, lower than that in the HM group (47.8±3.9)%, and the difference between groups was statistically significant (t=5.57, adjusted P<0.05); its discriminatory performance was the best among all SCP sectors, with an AUC of 0.69 (95%CI: 0.62 to 0.76). At the DCP level, there were no statistically significant differences between the two groups in any inner-ring or outer-ring sector (t=1.11, 1.93, 0.69, 0.99, 1.73, 2.20, 0.64, 0.93; adjusted P>0.05). Based on the screening results of single indicators, stepwise multivariable logistic regression models were constructed. Model 1 included inferior peripapillary RNFL thickness and had an AUC of 0.850 (95%CI: 0.810 to 0.890). Compared with Model 1, Model 2 additionally included GLV, and the AUC increased to 0.928 (95%CI: 0.895 to 0.961), with a statistically significant difference compared with Model 1 (DeLong test P<0.05). Compared with Model 2, Model 3 additionally included inner inferior macular SCP capillary density, and the AUC increased to 0.946 (95%CI: 0.918 to 0.974), with a statistically significant difference (DeLong test P<0.05).

    Conclusions

    Inferior peripapillary RNFL thickness, macular GLV, and inferior inner-ring macular SCP vessel density all have good value for glaucoma discrimination in HM patients. The combination of multimodal structural and blood flow parameters can significantly improve diagnostic performance and provide a basis for the auxiliary diagnosis of HM combined with OAG.

  • 11.
    Static and dynamic color vision characteristics in patients with high myopia
    Xingchen Pan, Yuchen Wang, Xinzuo Zhou, Yixuan He, Wenbo Chu, Yize Han, Anqi Guo, Yuexin Wang, Ziyuan Liu, Xuemin Li
    Chinese Journal of Ophthalmologic Medicine(Electronic Edition) 2025, 15 (06): 340-344. DOI: 10.3877/cma.j.issn.2095-2007.2025.06.004
    Abstract (6) HTML (2) PDF (2343 KB) (5)
    Objective

    The aim of this study is to investigate the characteristics of static fine color discrimination and dynamic color vision in patients with high myopia under different wavelength conditions.

    Methods

    A total of 34 patients (68 eyes) with high myopia who attended the Ophthalmology Clinic of Peking University Third Hospital between July 2025, and September 2025, were enrolled. Among them, there were 11 males (22 eyes) and 23 females (46 eyes), with ages ranging from 14 to 67 years and a median age of 30 (25.5, 39.25) years. Under standard lighting conditions, participants underwent measure ments of static fine color vision, including the minimum discriminable color difference and recognition time across seven visible light bands (red, orange, yellow, green, cyan, blue, and violet). Dynamic color visual acuity (DCVA) was assessed under six color stimuli (red, orange, yellow, green, blue, and violet) at angular velocities of 20, 40, 60, and 80 degrees per second (dps). Continuous variables conforming to a normal distribution (DCVA) were expressed as ±s. Non-normally distributed continuous variables, including age, spherical equivalent of the left and right eyes, wavelength thresholds for static fine color vision (minimum discriminable color difference), and reaction time, were expressed as medians (interquartile range). Color vision data were analyzed using ANOVA to test the main effects of variables and their interactions. In the repeated measures ANOVA, Mauchly′s test of sphericity was used to assess the sphericity assumption. When the sphericity assumption was met, univariate repeated measures ANOVA results were used for statistical inference; otherwise, multivariate test results were used as the primary basis for statistical inference.

    Results

    The minimum discriminable color differences for violet, blue, cyan, green, yellow, orange, and red were 2 (0, 2)nm, 2 (0, 2)nm, 2 (0, 2)nm, 2 (2, 7)nm, 2 (1, 2)nm, 1 (1, 3)nm, and 27 (20, 41)nm, respectively, with statistically significant differences between groups (F=86.520, P<0.05). The corresponding reaction times for these color bands were 14 (9.5, 19)seconds, 10 (6.5, 14)seconds, 12 (7, 15)seconds, 11 (7, 20)seconds, 11 (7.5, 21)seconds, 13 (10, 20.5)seconds, and 31 (18, 47) seconds, respectively, showing statistically significant differences between groups (F=17.206, P<0.05). At an angular velocity of 20 dps, 40 dps, 60 dps, 80 dps, DCVA for red, orange, yellow, green, blue, and violet were (0.40±0.33)logarithm of the minimum angle of resolution (logMAR), (0.49±0.30)logMAR, (0.69±0.26)logMAR, (0.70±0.29)logMAR, (0.36±0.37)logMAR, (0.34±0.39)logMAR, (0.50±0.38)logMAR, (0.63±0.27)logMAR, (0.76±0.29)logMAR, (0.82±0.26)logMAR, (0.39±0.42)logMAR, (0.41±0.39)logMAR, (0.48±0.40)logMAR, (0.59±0.35)logMAR, (0.78±0.33)logMAR, (0.88±0.31)logMAR, (0.40±0.33)logMAR, and (0.41±0.38)logMAR, (0.39±0.40)logMAR, (0.57±0.31)logMAR, (0.68±0.33)logMAR, (0.86±0.30)logMAR, (0.31±0.41)logMAR, and (0.31±0.39)logMAR, respectively, with statistically significant differences between groups (F=48.728, 23.85, 29.909, 220.31; P<0.05). Repeated measures ANOVA showed the interaction effect was statistically significant (F=2.401, P<0.05).

    Conclusions

    Patients with high myopia exhibit marked wavelength-dependent differences in static fine color discrimination. DCVA is highly associated with color, showing selective differences across wavelengths. Assessment of dynamic color vision may contribute to a more comprehensive evaluation of functional visual characteristics in high myopia.

  • 12.
    Clinical characteristics and differences in aqueous humor antioxidant stress enzymes among age-related cataract patients in regions with different ultraviolet radiation levels
    Shumei Tan, Yujie Cen, Siwen Ding, Honghao Liu, Jinwen Wei, Ziyuan Liu, Xuemin Li
    Chinese Journal of Ophthalmologic Medicine(Electronic Edition) 2025, 15 (06): 345-350. DOI: 10.3877/cma.j.issn.2095-2007.2025.06.005
    Abstract (3) HTML (0) PDF (2622 KB) (0)
    Objective

    The aim of this study is to investigate the clinical characteristics of age-related cataract (ARC) patients in ultraviolet-irradiated areas and the role and mechanism of glutathione peroxidase (GPX) content in aqueous humor.

    Methods

    From July 2024 to July 2025, 140 ARC patients (140 eyes) who visited Peking University Third Hospital (Beijing), Tibet Autonomous Region People′s Hospital (Lhasa), Chifeng Songshan Hospital (Chifeng), Kezuo Banner Hospital (Tongliao) and Xilinhot Xilingol League Central Hospital were enrolled. Among them, there were 83 patients (83 eyes) female and 57 male (57 eyes) with a mean age of (69.7±9.3) years (ranging from 51 to 89 years ). According to the mean annual accumulated ultraviolet radiation from 2011—2014, subjects were classified into low-ultraviolet groups, medium-ultraviolet groups, and high-ultraviolet groups. According to age, patients were divided into the 50 to <65, ≥65 to <75, ≥75 to <85, and ≥85 groups. All ARC patients underwent routine preoperative cataract examinations before enrollment, including best-corrected visual acuity (BCVA), intraocular pressure (IOP), slit-lamp microscopy, and fundus examination. History of high myopia, diabetes, hypertension, and cardiovascular/cerebrovascular disease was queried and recorded. Continuous variables that passed tests for normality (age, BCVA, IOP, GPX, etc.) are described as ±s, between-group comparisons were performed using one-way ANOVA, and when differences were statistically significant, pairwise comparisons were further performed using the Bonferroni method. Comparisons between two groups for binary variables used the Mann-Whitney U test; comparisons among multiple groups for ordinal variables used the Kruskal-Wallis H test. Categorical data such as sex and laterality are presented as counts and percentages and compared using the chi-square test. Correlations between continuous variables and ordered categorical variables were assessed with Spearman′s correlation coefficient; correlations between continuous variables were assessed with Pearson′s correlation coefficient. Multivariate linear regression was used to explore factors influencing GPX.

    Results

    The proportions of patients with cortical opacity >3 scores in the low, medium, and high UV groups were 23.2%, 29.2%, and 44.4%, respectively; the proportions with posterior subcapsular opacity scores >3 were 32.1%, 58.3%, and 75.0%, respectively. The distributions of cortical opacity grading and posterior subcapsular opacity grading differed significantly (H= 6.45, 15.74; P<0.05), whereas nuclear opacity grading showed no significant difference (H=3.78, P> 0.05). The BCVA in the low, medium, and high UV groups were (0.84±0.78) logarithmic minimum angle of resolution (logMAR), (1.53±0.85) logMAR, and (1.81±0.86) logMAR, respectively, with significant differences among groups (F=17.46, P<0.05); pairwise comparisons between low vs. medium and low vs. high UV groups were both statistically significant (adjusted P<0.05). Aqueous humor GPX levels in the low, medium, and high UV groups were (332.19±187.74) U/ml, (292.98±177.55) U/ml, and (183.76±144.06) U/ml, respectively, with significant differences among groups (F=8.16, P<0.05). Pairwise comparisons of low vs. high and medium vs. high UV groups were both significant (adjusted P< 0.05). There was no significant difference in IOP among the low, medium, and high UV groups (F=1.89, P>0.05). The proportion of patients with ≤ 3 scores in 50 to <65 group, ≤ 65 to <75 group, ≤ 75 to <85 group and ≥ 85 group were 74.4%, 72.5%, 54.5% and 30.8%, respectively; The proportion of patients with of 3 to 5 scores in 50 to <65 group, ≤ 65 to <75 group, ≤ 75 to <85 group and ≥ 85 group were 20.9%, 17.6%, 33.3% and 38.4%, respectively; The proportion of patients with ≥ 5 scores in 50 to <65 group, ≤ 65 to <75 group, ≤ 75 to <85 group and ≥ 85 group was > 4.7%, 9.8%, 12.1% and 30.8%, respectively. There were statistically significant differences in the grading distribution of nuclear opacity in arc patients at different ages ( H=12.11, P<0.05). GPX level was significantly negatively correlated with UV grading, cortical opacity grading, nuclear opacity grading, posterior subcapsular opacity grading, and BCVA (r= -0.33, -0.36, -0.18, -0.27, -0.27; P<0.05), and showed no significant correlation with age or IOP (r= 0.007, -0.005; P>0.05). Multiple linear regression showed that UV grading and cortical opacity grading were independent negative predictors of aqueous humor GPX level (β= -50.45, -62.87, 95%CI: -90.60 to -10.31, -109.14 to -16.60; t=-2.49, -2.69; P<0.05), whereas nuclear opacity grading and posterior subcapsular opacity grading did not significantly affect aqueous humor GPX level (β=16.56, -18.40, 95%CI: -35.20 to 68.32, -59.03 to 20.02; t=-0.63, -0.98; P>0.05).

    Conclusions

    Long-term exposure to UV radiation reduces aqueous humor GPX levels in ARC patients, impairs ocular antioxidant stress capacity, and is closely associated with aggravated cortical and posterior subcapsular opacities and visual acuity decline. UV radiation grade and cortical opacity grading are key factors affecting aqueous humor GPX levels.

  • 13.
    Epidemiological research on the accuracy of axial length/corneal radius ratio in predicting pre-myopia in children
    Tailiang Lyn, Wei Sun, Hongpo Yin, Jianfeng Wu, yuanyuan Hu, Meihua Ding, Yirong Wang, Hongsheng Bi
    Chinese Journal of Ophthalmologic Medicine(Electronic Edition) 2025, 15 (06): 351-356. DOI: 10.3877/cma.j.issn.2095-2007.2025.06.006
    Abstract (0) HTML (0) PDF (2653 KB) (0)
    Objective

    Explore the correlation between axial length/corneal radius ratio (AL/CR) and refractive error, and evaluate the accuracy of AL/CR in predicting pre-myopia in children.

    Methods

    The study selected 4544 cases (9088 eyes) of children aged 4 to 12 years old from kindergartens and primary schools in Weihai City and Guan County, Liaocheng City, Shandong Province, who had complete refractive and ocular biological parameter data from the " Shandong Children's Eye Disease Research" project in September to December 2012 as the research subjects. Among them, there were 2451 males (4902 eyes) and 2093 females (4186 eyes); The age range is 4 to 12 years old, with an average age of (8.5 ± 2.2) years. All subjects were examined for refraction, axial length (AL), and corneal curvature radius (CR) before cycloplegia, and auto-refraction was performed after cycloplegia. The data obtained from the detection or calculation of equivalent spherical refraction, axial length, corneal curvature radius, and AL/CR ratio conforms to a normal distribution after normality testing, represented by ±s. The comparison of refractive error, AL, and CR among different age groups was conducted using one-way analysis of variance. The correlation between equivalent spherical (SE) refraction and AL/CR ratio, as well as AL and CR, was analyzed using Spearman correlation analysis. Draw receiver operating characteristic (ROC) curves and calculate the optimal cut off value, sensitivity, specificity, youden index, and area under the curve (AUC). The ROC curve analysis results were drawn using cycloplegic refraction with -0.50 D<SE ≤+ 0.75 D as the diagnostic criteria for pre-myopia and AL/CR ratio as the indicator for diagnosing pre-myopia to evaluate its diagnostic efficacy.

    Results

    Among all 4544 right eyes (4544 eyes) examined, 1481 cases (1481 eyes) were diagnosed with pre-myopia, accounting for 32.6%; the prevalence of pre myopia in all subjects is within the age range of 4 to 12 years old, and shows an increasing trend with age. Among them, the number of cases and pre-myopia cases (percentage) among 112 cases aged 4 were 21 out of 112, accounting for 18.8%; out of 354 cases aged 569 cases accounted for 19.5%; out of 435 cases aged 696 cases accounted for 22.1%; out of 639 cases aged 7195 cases accounted for 30.5%; out of 739 cases aged 8267 cases accounted for 36.1%; out of 541 cases aged 9, 201 cases accounted for 37.2%; out of 702 cases aged 10, 269 cases accounted for 38.3%; out of 560 cases aged 11, there were cases, accounting for 35.7%; among 462 cases aged 12, there were 163 cases, accounting for 35.3%.The SE of 4-year-old children was (1.33±1.18) D, which develops towards myopia at the age of 12 (-0.94±1.89) D. The AL of 4-year-old children was (22.13±0.72) mm, gradually increasing to (23.93±1.09) mm at the age of 12. The AL/CR ratio of 4-year-old children is (2.83±0.09), gradually increasing to (3.03±0.11) at the age of 12. As age increases, the SE, AL, and AL/CR ratios of the subjects all shew an increase towards myopia, and the differences are statistically significant (F=145.66, 197.75, 257.97; P<0.05); however, there was no significant difference in CR, and the difference was not statistically significant (F=0.977, P>0.05). The SE refraction of all 4544 preschool and primary school children aged 4 to 12 years old was negatively correlated with AL and AL/CR ratio, and the correlation was statistically significant (r=-0.736, 0.851; P<0.05). The correlation between SE and CR was not statistically significant (r=-0.028, P>0.05). The optimal cut-off values, sensitivity, specificity, Youden index, and AUC (95%CI) for children of different age groups were 2.86, 0.77, 0.76, 0.53, and [0.815 (0.716, 0.913), P<0.05] at the age of 4; At the age of 5, the values were 2.85, 0.80, 0.64, 0.45, and [0.799 (0.746, 0.852), P<0.05]. At the age of 6, the values were 2.88, 0.82, 0.72, 0.55, and [0.823 (0.777, 0.869), P<0.05]. At the age of 7, the values were 2.93, 0.66, 0.84, 0.50, and [0.805 (0.769, 0.841), P<0.05]. At the age of 8, the values were 2.92, 0.85, 0.66, 0.51, and [0.840 (0.812, 0.867), P<0.05]. At the age of 9, the values were 2.98, 0.70, 0.90, 0.60, and [0.858 (0.827, 0.889), P<0.05]. At the age of 10, the values were 2.96, 0.78, 0.84, 0.62, and [0.878 (0.853, 0.903), P<0.05]. At the age of 11, the values were 3.00, 0.73, 0.88, 0.61, and [0.874 (0.842, 0.905), P<0.05]. At the age of 12, the values were 3.00, 0.75, 0.93, 0.68, and [0.892 (0.861, 0.923), P<0.05]. As age increases, the optimal cut-off values for diagnosing premyopia gradually increases.

    Conclusions

    AL/CR is highly correlated with refractive error and has high accuracy in predicting premyopia before cycloplegia. In this study, the optimal cut off values for AL/CR prediction in children of different ages can provide a simple and reliable evaluation method for early screening of high-risk children for myopia, which will help with early intervention for myopia prevention.

  • 14.
    Recent advances in the impact of short-wavelength light on systemic health and myopia in the light-eye-brain axis
    Kaiqi Gulu, Siyuan Wu, Bilian Ke
    Chinese Journal of Ophthalmologic Medicine(Electronic Edition) 2025, 15 (06): 362-368. DOI: 10.3877/cma.j.issn.2095-2007.2025.06.008
    Abstract (2) HTML (0) PDF (2965 KB) (0)

    With the increasing prevalence of myopia, the role of environmental light in regulating refractive development has attracted growing attention. Emerging evidence indicates that short-wavelength light can inhibit excessive axial elongation by regulating retinal dopamine release and can also influence systemic physiological functions, including circadian rhythm, metabolism, and mood, through intrinsically photosensitive retinal ganglion cell (IPRGC)-mediated non-image-forming visual pathways. These findings suggest that short-wavelength light may exert cross-system regulatory effects through a unified " light-eye-brain axis". The recent advances in understanding the effects of short-wavelength light on systemic health and myopia regulation were reviewed, with particular emphasis on the opsin-dopamine signaling mechanisms and the influence of light environmental parameters. This integrative perspective may provide a theoretical basis for developing light-based strategies for myopia prevention and control.

  • 15.
    Advances in effects of red, blue, violet monochromatic lights on myopia
    Sijun Zhao, Minfeng Chen, Jian Zhang, Xinjie Mao
    Chinese Journal of Ophthalmologic Medicine(Electronic Edition) 2025, 15 (06): 369-373. DOI: 10.3877/cma.j.issn.2095-2007.2025.06.009
    Abstract (2) HTML (1) PDF (2335 KB) (1)

    Myopia is a common refractive error, predominantly occurring in adolescence, and represents one of the most prevalent eye diseases worldwide, imposing a substantial economic burden on patients globally. Particularly, the rising prevalence of high myopia is expected to drive a corresponding increase in the incidence of complications such as myopic maculopathy in the coming years. Public health strategies aimed at slowing the progression from low myopia to high myopia are critical for preventing severe conditions and complications associated with pathological myopia. Numerous studies have explored the pathogenesis of myopia, and a variety of corresponding interventions have been proposed; however, a curative treatment remains elusive. As such, preventing myopia onset and slowing its progression have become the primary measures for addressing the myopia epidemic in contemporary society. Among these, the benefit of 2 hours of daily outdoor activity for myopia control is widely recognized, which may involve factors such as light exposure duration, illuminance, wavelength, frequency, spatial frequency, and ocular accommodation.In animal models, mechanistic studies of myopia control have implicated multiple signaling pathways, while clinical research prioritizes efficacy and safety. The effects of red light, blue light, and violet light—currently the most extensively studied light spectra on myopia were summarized, aiming to provide theoretical references for further research on myopia control and healthy lighting.

  • 16.
    Advances in deoxyribonucleic acid molecular detection technologies for ocular pathogenic microorganisms
    Zitan Pang, Jiemin Zhou, Fuxiao Luan, Yong Tao
    Chinese Journal of Ophthalmologic Medicine(Electronic Edition) 2025, 15 (06): 374-378. DOI: 10.3877/cma.j.issn.2095-2007.2025.06.010
    Abstract (1) HTML (0) PDF (2367 KB) (0)

    Infectious diseases of the eye are one of the major causes of blindness. The rapid and accurate identification of pathogenic microorganisms plays an important role in clinical diagnosis and treatment. However, traditional methods for detecting pathogens have some disadvantages such as a long test time, low positive rate (or lack of specificity). As molecular biological detection technology with high sensitivity, especially the deoxyribonucleic acid amplification-based and sequencing-based detection methods have made great breakthroughs in detecting ocular pathogen microorganisms: specificity; speediness. The current state-of-the-art research and development in molecular detection technologies for ophthalmic pathogens was summarized, including polymerase chain reaction and its derivative techniques, gene chips, and metagenomic sequencing, and explored the application value and problems in the diagnosis and treatment of ocular surface infection disease and intraocular infection disease.

  • 17.
    Comparison of the application of the middle approach and the left anterior approach in laparoscopic radical gastrectomy for advanced gastric cancer in middle-aged and elderly patients
    Weiwei Fan, Huaili Xu, Xijia Yang
    Chinese Journal of Operative Procedures of General Surgery(Electronic Edition) 2026, 20 (02): 117-120. DOI: 10.3877/cma.j.issn.1674-3946.2026.02.006
    Abstract (6) HTML (0) PDF (6195 KB) (0)
    Objective

    To explore the application effects of the intermediate approach and the left anterior approach in laparoscopic radical resection for advanced gastric cancer (AGC) in middle-aged and elderly patients.

    Methods

    The data of 91 middle-aged and elderly patients with localized AGC who underwent laparoscopic radical resection from January to December 2022 were retrospectively analyzed. The patients were grouped according to the surgical approach. 46 patients in the intermediate group received the intermediate approach; 45 patients in the left anterior group received the left anterior approach. Data were analyzed using SPSS 25.0 software. Quantitative data were expressed as (±s), and independent sample t test were used; count data were expressed as [cases (%)], and χ2 tests or Fisher’s exact tests were performed; survival analysis was conducted using the Kaplan-Meier method. P<0.05 was considered statistically significant.

    Results

    There were no statistically significant differences in the number of lymph node dissections during the operation, 24-hour postoperative serum C-reactive protein (CRP), superoxide dismutase (SOD) levels, and complication rates between the two groups (P>0.05); the operation time and intraoperative blood loss of the intermediate group were less than those of the left anterior group (P<0.05). Before closure, the serum dopa decarboxylase (DDC) and carcinoembryonic antigen (CEA) levels of the intermediate group were lower than those of the left anterior group (P<0.05); the 3-year recurrence rate of the intermediate group was lower than that of the left anterior group (P<0.05). The 3-year overall survival rate of the intermediate group was 87.0%, which was higher than that of the left anterior group (68.9%), and the disease-free survival period and overall survival period were longer than those of the left anterior group (P<0.05).

    Conclusion

    The intermediate approach and the left anterior approach laparoscopic radical resection for AGC in middle-aged and elderly patients have no statistically significant differences in the number of lymph node dissections during the operation, postoperative stress response, and complications. However, compared with the left anterior approach, the intermediate approach has shorter operation time, less intraoperative blood loss, lower 3-year recurrence rate, and longer disease-free survival period and overall survival period.

  • 18.
    Clinical effect study of complete laparoscopic transabdominal and transdiaphragmatic recess approach for radical resection of Siewert typeⅡesophagogastric junction adenocarcinoma
    Rui Wang, Jian Zhang, Meimei Qiao, Xingyu Yan, Shinan Zhao
    Chinese Journal of Operative Procedures of General Surgery(Electronic Edition) 2026, 20 (02): 121-124. DOI: 10.3877/cma.j.issn.1674-3946.2026.02.007
    Abstract (10) HTML (0) PDF (6783 KB) (3)
    Objective

    To investigate the clinical efficacy of complete laparoscopic transabdominal transdiaphragmatic hiatus approach for radical resection of Siewert typeⅡadenocarcinoma of the esophagogastric junction.

    Methods

    A total of 78 patients with Siewert typeⅡadenocarcinoma of the esophagogastric junction (AEG) admitted from January 2021 to December 2023 were prospectively selected as the research subjects. The patients were divided into the control group and the study group by the digital table method, with 39 cases in each group. The control group underwent surgery through the left thoracic-abdominal combined approach, while the study group underwent surgery through the transabdominal transdiaphragmatic hiatus approach. Data were analyzed using SPSS 25.0 statistical software. The surgical time, postoperative complications, cardiac and pulmonary functions, and survival status of the two groups were compared.

    Results

    The operation time, blood loss, time to first ambulation, time to first defecation, and postoperative hospital stay of the study group were significantly shorter than those of the control group (P<0.05). The total incidence of postoperative complications in the study group (12.8%) was significantly lower than that in the control group (33.3%), and the difference was statistically significant (P<0.05). The levels of SV, LVEF, FVC, and FEV1 of the two groups after surgery were significantly lower than those before surgery, and the levels of each index in the study group were significantly higher than those in the control group (P<0.05). There was no statistically significant difference in the cumulative disease-free survival rate (71.8% vs. 69.2%) and cumulative overall survival rate (76.9% vs. 71.8%) between the two groups (Log-Rank χ2=0.013, 0.063, P=0.909, 0.802).

    Conclusion

    The complete laparoscopic transabdominal transdiaphragmatic hiatus approach for radical resection of Siewert typeⅡAEG has significant short-term efficacy, does not affect the effect of lymph node dissection and prognosis, can shorten the operation time, reduce intraoperative injury, lower the incidence of postoperative complications, promote postoperative recovery, and has high promotion value.

  • 19.
    Study on the effect evaluation of informated whole-process management of parenteral nutrition in patients undergoing gastric cancer surgery
    Jiaqing Huang, Futao Li, Tingwen Wang, Liang Tao, Xiaojie Bian, Wenxian Guan
    Chinese Journal of Operative Procedures of General Surgery(Electronic Edition) 2026, 20 (02): 125-129. DOI: 10.3877/cma.j.issn.1674-3946.2026.02.008
    Abstract (3) HTML (0) PDF (8059 KB) (0)
    Objective

    To explore the feasibility and effectiveness of a standardized parenteral nutrition (PN) treatment process constructed based on an informatized whole-process nutrition management system, evaluate its value in optimizing the rationality of PN prescriptions, improving treatment efficacy, and reducing adverse reactions, and provide a reference for establishing a safer and more effective informatized whole-process nutrition management system for standardized PN treatment processes.

    Methods

    A single-center prospective randomized cluster-controlled study was conducted. A total of 210 patients who required PN support after gastric cancer resection from May to October 2022 were enrolled. A randomized block design was adopted, with the ward medical team as the blocking factor. One group was randomly selected as the intervention group (n=105), and the other groups served as the control group (n=105). In the intervention group, clinical pharmacists formulated PN regimens in accordance with the established standardized PN treatment process; in the control group, clinical physicians formulated PN regimens based on conventional experience. Statistical analysis of data was performed using SPSS 26.0 software. Data were expressed as (±s) or [cases (%)], and independent samples t test or χ2 test was used for comparison. P<0.05 was considered statistically significant.

    Results

    After PN treatment: In the control group, levels of creatinine, hemoglobin, and blood potassium decreased, while levels of estimated glomerular filtration rate (eGFR), triglycerides, platelets, blood sodium, and blood calcium increased (all P<0.05). The intervention group showed the same changing trend of the above indicators as the control group; additionally, levels of aspartate aminotransferase (AST) and total bilirubin decreased, and albumin level increased (all P<0.05). Inter-group comparison showed that levels of albumin, blood phosphorus, and blood potassium in the intervention group were higher than those in the control group (all P<0.05). Compared with the control group, the intervention group had significantly better outcomes in terms of average blood glucose level, daily maximum blood glucose value, and blood glucose fluctuation range (all P<0.05). The incidence of hyponatremia, hypophosphatemia, and hyperglycemia in the intervention group was lower (all P<0.05). There were no cases of unreasonable energy and fluid volume in the intervention group, which was significantly better than the control group (P<0.05). The intervention group had earlier times of first postoperative flatus and defecation, and fewer hospital stays, but the differences were not statistically significant (all P>0.05).

    Conclusion

    The standardized PN formulation process constructed based on the informatized whole-process nutrition management system significantly improves the rationality of PN prescriptions and enhances the control of patients’ blood glucose and electrolytes, providing a reference for the implementation of a more standardized and comprehensive informatized whole-process nutrition management.

  • 20.
    Clinical study on laparoscopic radical resection assisted by preoperative small incision for advanced distal gastric gancer
    Tianyu Zhu, Hai Shi, Jie Yang
    Chinese Journal of Operative Procedures of General Surgery(Electronic Edition) 2026, 20 (02): 130-133. DOI: 10.3877/cma.j.issn.1674-3946.2026.02.009
    Abstract (6) HTML (0) PDF (5849 KB) (0)
    Objective

    To explore the clinical efficacy of laparoscopic radical resection assisted by a preoperative small incision in the treatment of advanced distal gastric cancer.

    Methods

    The clinical data of 115 patients with advanced distal gastric cancer who underwent surgery from February 2022 to November 2023 were collected retrospectively. According to the different surgical methods, the patients were divided into two groups: Routine Group: 56 patients who underwent conventional laparoscopic radical resection; study Group: 59 patients who underwent laparoscopic radical resection assisted by a preoperative small incision. Data were processed using SPSS 25.0 statistical software. Measurement data conforming to a normal distribution were expressed as (±s) and analyzed by independent samples t test. Postoperative Visual Analogue Scale (VAS) scores were tested by general linear repeated-measures analysis of variance (ANOVA). Recurrence time was analyzed using Kaplan-Meier statistics. Categorical data were expressed as [cases (%)] and analyzed by the χ2 test. P<0.05 was considered statistically significant.

    Results

    The operation time of the Study Group was shorter than that of the Routine Group, and the number of intraoperative lymph node dissections was greater than that of the Routine Group (both P<0.05). There were no statistically significant differences between the two groups in terms of postoperative time to get out of bed, time to first flatus, or length of hospital stay (all P>0.05). At 6h, 12h, 24h, and 48h postoperatively, the VAS scores of both groups decreased gradually (all P<0.05); however, there were no statistically significant differences in VAS scores between the two groups at each postoperative time point (all P>0.05). There were no statistically significant differences between the two groups in the total incidence of postoperative complications or the 12-month postoperative recurrence rate (all P>0.05). The recurrence time of patients with recurrence in the Study Group was longer than that in the Routine Group (P<0.05).

    Conclusion

    Laparoscopic radical resection assisted by a preoperative small incision can shorten the operation time of advanced distal gastric cancer, increase the number of intraoperative lymph node dissections, without increasing postoperative pain and complications, and can ensure good oncological efficacy. It has value for popularization and application.

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