1.Value of different noninvasive diagnostic models in the diagnosis of esophageal and gastric varices with significant portal hypertension in compensated hepatitis B cirrhosis
Cheng LIU ; Jiayi ZENG ; Mengbing FANG ; Zhiheng CHEN ; Bei GUI ; Fengming ZHAO ; Jingkai YUAN ; Chaozhen ZHANG ; Meijie SHI ; Yubao XIE ; Xiaoling CHI ; Huanming XIAO
Journal of Clinical Hepatology 2025;41(2):263-268
ObjectiveTo investigate the value of different noninvasive diagnostic models in the diagnosis of esophageal and gastric varices since there is a high risk of esophageal and gastric varices in patients with compensated hepatitis B cirrhosis and significant portal hypertension, and to provide a basis for the early diagnosis of esophageal and gastric varices. MethodsA total of 108 patients with significant portal hypertension due to compensated hepatitis B cirrhosis who attended Guangdong Provincial Hospital of Traditional Chinese Medicine from November 2017 to November 2023 were enrolled, and according to the presence or absence of esophageal and gastric varices under gastroscopy, they were divided into esophageal and gastric varices group (GOV group) and non-esophageal and gastric varices group (NGOV group). Related data were collected, including age, sex, imaging findings, and laboratory markers. The chi-square test was used for comparison of categorical data between groups; the least significant difference t-test was used for comparison of normally distributed continuous data between groups, and the Mann-Whitney U test was used for comparison of non-normally distributed continuous data between groups. The receiver operating characteristic (ROC) curve was plotted to evaluate the diagnostic value of five scoring models, i.e., fibrosis-4 (FIB-4), LOK index, LPRI, aspartate aminotransferase-to-platelet ratio index (APRI), and aspartate aminotransferase/alanine aminotransferase ratio (AAR). The binary logistic regression method was used to establish a combined model, and the area under the ROC curve (AUC) was compared between the combined model and each scoring model used alone. The Delong test was used to compare the AUC value between any two noninvasive diagnostic models. ResultsThere were 55 patients in the GOV group and 53 patients in the NGOV group. Compared with the NGOV group, the GOV group had a significantly higher age (52.64±1.44 years vs 47.96±1.68 years, t=0.453, P<0.05) and significantly lower levels of alanine aminotransferase [42.00 (24.00 — 17.00) U/L vs 82.00 (46.00 — 271.00) U/L, Z=-3.065, P<0.05], aspartate aminotransferase [44.00 (32.00 — 96.00) U/L vs 62.00 (42.50 — 154.50) U/L,Z=-2.351, P<0.05], and platelet count [100.00 (69.00 — 120.00)×109/L vs 119.00 (108.50 — 140.50)×109/L, Z=-3.667, P<0.05]. The ROC curve analysis showed that FIB-4, LOK index, LPRI, and AAR used alone had an accuracy of 0.667, 0.681, 0.730, and 0.639, respectively, in the diagnosis of esophageal and gastric varices (all P<0.05), and the positive diagnostic rates of GOV were 69.97%, 65.28%, 67.33%, and 58.86%, respectively, with no significant differences in AUC values (all P>0.05), while APRI used alone had no diagnostic value (P>0.05). A combined model (LAF) was established based on the binary logistic regression analysis and had an AUC of 0.805 and a positive diagnostic rate of GOV of 75.80%, with a significantly higher AUC than FIB-4, LOK index, LPRI, and AAR used alone (Z=-2.773,-2.479,-2.206, and-2.672, all P<0.05). ConclusionFIB-4, LOK index, LPRI, and AAR have a similar diagnostic value for esophageal and gastric varices in patients with compensated hepatitis B cirrhosis and significant portal hypertension, and APRI alone has no diagnostic value. The combined model LAF had the best diagnostic efficacy, which provides a certain reference for clinical promotion and application.
2.Preliminary efficacy observation of 3D printed functional spinal external fixation brace combined with McKenzie therapy in the treatment of lumbar disc herniation.
Ning-Xia WANG ; Ping CHEN ; Hai-Dong WANG ; Jing JI ; Fang-Hong NIAN ; Xin LIU ; Chong-Fei JIN ; Duo-Ming ZHAO ; Hao-Lin LI ; Wei-Gang CHENG ; Gui-Lin LAI ; Guo-Biao WU
China Journal of Orthopaedics and Traumatology 2025;38(10):1047-1054
OBJECTIVE:
To observe the clinical efficacy of 3D printing spinal external fixator combined with McKenzie therapy for patients with lumbar dics herniation (LDH).
METHODS:
Sixty patients with LDH between January 2022 and January 2023 were enrolled. Among them, 30 patients were given McKinsey training. According to different treatment methods, all patients were divided into McKenzie group and McKenzie + 3D printing group, 30 patients in each group. The McKenzie group provided McKenzie therapy. The McKenzie + 3D printing group were treated with 3D printing spinal external fixation brace on the basis of McKenzie therapy. Patients in both groups were between 25 and 60 years of age and had their first illness. In the McKenzie group, there were 19 males and 11 females, with an average age of (48.57±5.86) years old, and the disease duration was (7.03 ±2.39) months. The McKenzie + 3D printing group, there were 21 males and 9 females, with an average age of (48.80±5.92) years old, and the disease duration was(7.30±2.56) months. Pain was evaluated using the visual analogue scale (VAS), and lumbar spine function was assessed using the Oswestry disability index (ODI) and the Japanese Orthopaedic Association (JOA) score. VAS, ODI and JOA scores were compared between two groups before treatment and at 1, 3, 6, 9 and 12 months after treatment.
RESULTS:
All patients were followed up for 12 months. The VAS for the McKenzie combined with 3D printing group before treatment and at 1, 3, 6, 9, and 12 months post-treatment were(6.533±0.860), (5.133±1.008), (3.933±0.868), (2.900±0.759), (2.067±0.640), (1.433±0.504), respectively. In the McKenzie group, the corresponding scores were (6.467±0.860), (5.067±1.048), (4.600±0.968), (3.533±1.008), (2.567±0.728), (1.967±0.809), respectively. The ODI of the McKenzie group before treatment and at 1, 3, 6, 9, and 12 months post-treatment were (41.033±6.810)%, (37.933±6.209)%, (35.467±6.962)%, (27.567±10.081)%, (20.800±7.531)%, (13.533±5.158)%, respectively. For the McKenzie combined with 3D printing group, the corresponding ODI were(38.033±5.605)%, (33.000±6.192)%, (28.767±7.045)%, (22.200±5.517)%, (17.700±4.836)%, (11.900±2.771)%, respectively. The JOA scores of the McKenzie combined with 3D printing group before treatment and at 1, 3, 6, 9, and 12 months post-treatment were(8.900±2.074), (13.133±2.330), (15.700±3.583), (20.400±3.480), (22.267±3.084), (24.833±2.640), respectively. In the McKenzie group, the corresponding scores were(9.200±2.091), (12.267±2.406), (15.333±3.198), (18.467±2.240), (20.133±2.751), (22.467±2.849), respectively. Before the initiation of treatment, no statistically significant differences were observed in the VAS, ODI, and JOA scores between two groups (P>0.05). At 3, 6, 9, and 12 months post-treatment, the VAS in the McKenzie combined with 3D printing group was significantly lower than that in the McKenzie group, and the difference was statistically significant (P<0.05). The comparison of ODI between two groups at 1, 3, 6, 9, and 12 months post-treatment revealed statistically significant differences (P<0.05). At 6, 9, and 12 months post-treatment, the JOA score in the McKenzie combined with 3D printing group was significantly higher than that in the McKenzie-only group, and the difference was statistically significant (P<0.05).
CONCLUSION
The combination of 3D printed functional spinal external fixation brace with McKenzie therapy can significantly improve and maintain lumbar function in patients with LDH.
Humans
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Male
;
Female
;
Middle Aged
;
Printing, Three-Dimensional
;
Intervertebral Disc Displacement/surgery*
;
External Fixators
;
Lumbar Vertebrae/surgery*
;
Adult
;
Braces
;
Treatment Outcome
3.Body fat distribution and semen quality in 4304 Chinese sperm donors.
Si-Han LIANG ; Qi-Ling WANG ; Dan LI ; Gui-Fang YE ; Ying-Xin LI ; Wei ZHOU ; Rui-Jun XU ; Xin-Yi DENG ; Lu LUO ; Si-Rong WANG ; Xin-Zong ZHANG ; Yue-Wei LIU
Asian Journal of Andrology 2025;27(4):524-530
Extensive studies have identified potential adverse effects on semen quality of obesity, based on body mass index, but the association between body fat distribution, a more relevant indicator for obesity, and semen quality remains less clear. We conducted a longitudinal study of 4304 sperm donors from the Guangdong Provincial Human Sperm Bank (Guangzhou, China) during 2017-2021. A body composition analyzer was used to measure total and local body fat percentage for each participant. Generalized estimating equations were employed to assess the association between body fat percentage and sperm count, motility, and morphology. We estimated that each 10% increase in total body fat percentage (estimated change [95% confidence interval, 95% CI]) was significantly associated with a 0.18 × 10 6 (0.09 × 10 6 -0.27 × 10 6 ) ml and 12.21 × 10 6 (4.52 × 10 6 -19.91 × 10 6 ) reduction in semen volume and total sperm count, respectively. Categorical analyses and exposure-response curves showed that the association of body fat distribution with semen volume and total sperm count was stronger at higher body fat percentages. In addition, the association still held among normal weight and overweight participants. We observed similar associations for upper limb, trunk, and lower limb body fact distributions. In conclusion, we found that a higher body fat distribution was significantly associated with lower semen quality (especially semen volume) even in men with a normal weight. These findings provide useful clues in exploring body fat as a risk factor for semen quality decline and add to evidence for improving semen quality for those who are expected to conceive.
Humans
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Male
;
Adult
;
Semen Analysis
;
China
;
Body Fat Distribution
;
Longitudinal Studies
;
Sperm Count
;
Sperm Motility
;
Body Mass Index
;
Tissue Donors
;
Obesity/complications*
;
Spermatozoa
;
Young Adult
;
Middle Aged
;
East Asian People
4.Thiotepa-containing conditioning for allogeneic hematopoietic stem cell transplantation in children with inborn errors of immunity: a retrospective clinical analysis.
Xiao-Jun WU ; Xia-Wei HAN ; Kai-Mei WANG ; Shao-Fen LIN ; Li-Ping QUE ; Xin-Yu LI ; Dian-Dian LIU ; Jian-Pei FANG ; Ke HUANG ; Hong-Gui XU
Chinese Journal of Contemporary Pediatrics 2025;27(10):1240-1246
OBJECTIVES:
To evaluate the safety and efficacy of thiotepa (TT)-containing conditioning regimens for allogeneic hematopoietic stem cell transplantation (HSCT) in children with inborn errors of immunity (IEI).
METHODS:
Clinical data of 22 children with IEI who underwent HSCT were retrospectively reviewed. Survival after HSCT was estimated using the Kaplan-Meier method.
RESULTS:
Nine patients received a traditional conditioning regimen (fludarabine + busulfan + cyclophosphamide/etoposide) and underwent peripheral blood stem cell transplantation (PBSCT). Thirteen patients received a TT-containing modified conditioning regimen (TT + fludarabine + busulfan + cyclophosphamide), including seven PBSCT and six umbilical cord blood transplantation (UCBT) cases. Successful engraftment with complete donor chimerism was achieved in all patients. Acute graft-versus-host disease occurred in 12 patients (one with grade III and the remaining with grade I-II). Chronic graft-versus-host disease occurred in one patient. The incidence of EB viremia in UCBT patients was lower than that in PBSCT patients (P<0.05). Over a median follow-up of 36.0 months, one death occurred. The 3-year overall survival (OS) rate was 100% for the modified regimen and 88.9% ± 10.5% for the traditional regimen (P=0.229). When comparing transplantation types, the 3-year OS rates were 100% for UCBT and 93.8% ± 6.1% for PBSCT (P>0.05), and the 3-year event-free survival rates were 100% and 87.1% ± 8.6%, respectively (P>0.05).
CONCLUSIONS
TT-containing conditioning for allogeneic HSCT in children with IEI is safe and effective. Both UCBT and PBSCT may achieve high success rates.
Humans
;
Retrospective Studies
;
Transplantation Conditioning/methods*
;
Thiotepa/therapeutic use*
;
Hematopoietic Stem Cell Transplantation/adverse effects*
;
Male
;
Female
;
Child, Preschool
;
Infant
;
Child
;
Transplantation, Homologous
;
Graft vs Host Disease
;
Adolescent
5.Interleukin-33 Knockout Promotes High Mobility Group Box 1 Release from Astrocytes by Acetylation Mediated by P300/CBP-Associated Factor in Experimental Autoimmune Encephalomyelitis.
Yifan XIAO ; Liyan HAO ; Xinyi CAO ; Yibo ZHANG ; Qingqing XU ; Luyao QIN ; Yixuan ZHANG ; Yangxingzi WU ; Hongyan ZHOU ; Mengjuan WU ; Mingshan PI ; Qi XIONG ; Youhua YANG ; Yuran GUI ; Wei LIU ; Fang ZHENG ; Xiji SHU ; Yiyuan XIA
Neuroscience Bulletin 2025;41(7):1181-1197
High mobility group box 1 (HMGB1), when released extracellularly, plays a pivotal role in the development of spinal cord synapses and exacerbates autoimmune diseases within the central nervous system. In experimental autoimmune encephalomyelitis (EAE), a condition that models multiple sclerosis, the levels of extracellular HMGB1 and interleukin-33 (IL-33) have been found to be inversely correlated. However, the mechanism by which IL-33 deficiency enhances HMGB1 release during EAE remains elusive. Our study elucidates a potential signaling pathway whereby the absence of IL-33 leads to increased binding of P300/CBP-associated factor with HMGB1 in the nuclei of astrocytes, upregulating HMGB1 acetylation and promoting its release from astrocyte nuclei in the spinal cord of EAE mice. Conversely, the addition of IL-33 counteracts the TNF-α-induced increase in HMGB1 and acetylated HMGB1 levels in primary astrocytes. These findings underscore the potential of IL-33-associated signaling pathways as a therapeutic target for EAE treatment.
Animals
;
Encephalomyelitis, Autoimmune, Experimental/metabolism*
;
Astrocytes/metabolism*
;
Interleukin-33/metabolism*
;
HMGB1 Protein/metabolism*
;
Acetylation
;
Mice, Knockout
;
Mice, Inbred C57BL
;
p300-CBP Transcription Factors/metabolism*
;
Mice
;
Spinal Cord/metabolism*
;
Cells, Cultured
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Female
;
Signal Transduction
6.International clinical practice guideline on the use of traditional Chinese medicine for functional dyspepsia (2025).
Sheng-Sheng ZHANG ; Lu-Qing ZHAO ; Xiao-Hua HOU ; Zhao-Xiang BIAN ; Jian-Hua ZHENG ; Hai-He TIAN ; Guan-Hu YANG ; Won-Sook HONG ; Yu-Ying HE ; Li LIU ; Hong SHEN ; Yan-Ping LI ; Sheng XIE ; Jin SHU ; Bin-Fang ZENG ; Jun-Xiang LI ; Zhen LIU ; Zheng-Hua XIAO ; Jing-Dong XIAO ; Pei-Yong ZHENG ; Shao-Gang HUANG ; Sheng-Liang CHEN ; Gui-Jun FEI
Journal of Integrative Medicine 2025;23(5):502-518
Functional dyspepsia (FD), characterized by persistent or recurrent dyspeptic symptoms without identifiable organic, systemic or metabolic causes, is an increasingly recognized global health issue. The objective of this guideline is to equip clinicians and nursing professionals with evidence-based strategies for the management and treatment of adult patients with FD using traditional Chinese medicine (TCM). The Guideline Development Group consulted existing TCM consensus documents on FD and convened a panel of 35 clinicians to generate initial clinical queries. To address these queries, a systematic literature search was conducted across PubMed, EMBASE, the Cochrane Library, China National Knowledge Infrastructure (CNKI), VIP Database, China Biology Medicine (SinoMed) Database, Wanfang Database, Traditional Medicine Research Data Expanded (TMRDE), and the Traditional Chinese Medical Literature Analysis and Retrieval System (TCMLARS). The evidence from the literature was critically appraised using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) approach. The strength of the recommendations was ascertained through a consensus-building process involving TCM and allopathic medicine experts, methodologists, pharmacologists, nursing specialists, and health economists, leveraging their collective expertise and empirical knowledge. The guideline comprises a total of 43 evidence-informed recommendations that span a range of clinical aspects, including the pathogenesis according to TCM, diagnostic approaches, therapeutic interventions, efficacy assessments, and prognostic considerations. Please cite this article as: Zhang SS, Zhao LQ, Hou XH, Bian ZX, Zheng JH, Tian HH, Yang GH, Hong WS, He YY, Liu L, Shen H, Li YP, Xie S, Shu J, Zeng BF, Li JX, Liu Z, Xiao ZH, Xiao JD, Zheng PY, Huang SG, Chen SL, Fei GJ. International clinical practice guideline on the use of traditional Chinese medicine for functional dyspepsia (2025). J Integr Med. 2025; 23(5):502-518.
Dyspepsia/drug therapy*
;
Humans
;
Medicine, Chinese Traditional/methods*
;
Practice Guidelines as Topic
;
Drugs, Chinese Herbal/therapeutic use*
7.Thermal Ablation of Pulmonary Nodules by Electromagnetic Navigation Bronchoscopy Combined With Real-Time CT-Based 3D Fusion Navigation:Report of One Case.
Yuan XU ; Qun LIU ; Chao GUO ; Yi-Bo WANG ; Xiao-Fang WU ; Chen-Xi MA ; Gui-Ge WANG ; Qian-Shu LIU ; Nai-Xin LIANG ; Shan-Qing LI
Acta Academiae Medicinae Sinicae 2025;47(1):137-141
A nodule in the right middle lobe of the lung was treated by a combination of cone-beam CT,three-dimensional registration for fusion imaging,and electromagnetic navigation bronchoscopy-guided thermal ablation.The procedure lasted for 90 min,with no significant bleeding observed under the bronchoscope.The total radiation dose during the operation was 384 mGy.The patient recovered well postoperatively,with only a small amount of blood in the sputum and no pneumothorax or other complications.A follow-up chest CT on the first day post operation showed that the ablation area completely covered the lesion,and the patient was discharged successfully.
Humans
;
Bronchoscopy/methods*
;
Catheter Ablation/methods*
;
Cone-Beam Computed Tomography
;
Electromagnetic Phenomena
;
Imaging, Three-Dimensional
;
Lung Neoplasms/diagnostic imaging*
;
Tomography, X-Ray Computed
8.Trend and genotype characteristics of single-center HPV infection in Tian-jin area based on ARIMA model
Yang LI ; Gui-Lan TAN ; Yi LI ; Xiao-Yuan XIE ; Shu LI ; Fang WU ; Xia LIU
Chinese Journal of Infection Control 2024;23(10):1249-1257
Objective To construct time-series by adopting autoregressive integrated moving average(ARIMA)model for analyzing the trend and genotype characteristics of single-center human papillomavirus(HPV)infection in Tianjin area.Methods A total of 7 236 female patients who underwent HPV testing in a hospital from January 2018 to December 2022 were selected.HPV infection status and genotype distribution in Tianjin area from 2018 to 2022 were compared.ARIMA model time-series was constructed,and model fitting was analyzed.The number of HPV infections in 2023 was predicted and compared with the actual occurrence,the predictive performance of the model was evaluated.Results HPV infection rate in Tianjin area from 2018 to 2022 was 14.41%,with the highest rate(15.47%)in the age group of 31-40 years.Among the positive specimens,the proportion of single type HPV infection was the highest,accounting for 73.54%(767/1 043),with high-risk HPV being the main type.The highest infection rates of low-risk and high-risk types were type HPV-6(2.59%)and type HPV-16(16.06%),re-spectively.ARIMA model was constructed,and the optimal model was ARIMA(0,1,2)(0,1,1)12,with akaike in-formation criterion(AIC)and bayesian information criterion(BIC)values of 3.877 and 4.005,respectively.There was no statistical significance in Ljung-Box Q=8.828 showed by white noise test(P>0.05).The number of HPV infection in 2023 was predicted by the model.The overall trend of the actual value and the predicted value was basi-cally consistent,RMSE,MAPE and MAE of the model were 6.289,34.149 and 4.706,respectively,suggesting that the model had a good prediction effect.Conclusion Among the female population in Tianjin area,HPV infec-tion is mainly caused by single,high-risk type,with HPV-16 having the highest infection rate.There is seasonal variation in HPV infection in Tianjin.ARIMA model has good prediction effect on the prevalence trend of HPV in-fection,which is suitable for short-term prediction.
9.Study on the Characteristics of Traditional Chinese Medicine Syndromes and Syndrome Elements in the Patients with Diarrhea-Predominant Irritable Bowel Syndrome Overlapping Functional Dyspepsia
Gui-Fang SU ; Hao-Meng WU ; Ying-Ying LIU ; Yuan-Ming YANG ; Shao-Gang HUANG
Journal of Guangzhou University of Traditional Chinese Medicine 2024;41(9):2280-2288
Objective To investigate the distribution of traditional Chinese medicine(TCM)syndrome elements in the patients with diarrhea-predominant irritable bowel syndrome(IBS-D)overlapping functional dyspepsia(FD),and to explore the characteristics of TCM syndromes in IBS-D overlapping FD.Methods Clinical investigation was performed for collecting the clinical data of patients with IBS-D,FD and IBS-D overlapping FD(overlapping group),50 cases for each disease.The TCM syndrome elements were analyzed by syndrome-element dialectical methods,and the characteristics of TCM syndromes and syndrome types were summarized by frequency analysis,association rule analysis and cluster analysis.Results(1)The results of frequency analysis showed that emotional disorder was the main inducing or aggravating factor in the overlapping group,followed by improper diet.The primary syndromes in the overlapping group were diarrhea,abdominal distension,epigastric fullness,abdominal pain and postprandial fullness;the tongue color was usually pale,pale red,dark or red,the tongue body was usually enlarged or tooth-marked,and the tongue coating was usually thin white or white;slippery pulse,wiry pulse,deep pulse and thin pulse were the common pulses.The diseases-location syndrome elements mainly involved spleen,stomach,small intestine and liver,and the disease-nature syndrome elements mainly involved qi stagnation,dampness,qi deficiency and yang deficiency.(2)The results of association rule analysis showed that the combination of abdominal distension and diarrhea had the highest support(accounting for 70.00%)associated with TCM syndromes,the combination of spleen and stomach had the highest support(accounting for 80.00%)associated with diseases-location syndrome elements,the two combinations of dampness and qi stagnation,qi deficiency and qi stagnation had the highest support(both accounting for 36.00%)associated with disease-nature syndrome elements.(3)The results of cluster analysis showed that TCM syndromes in the overlapping group were clustered into four categories of syndrome manifestations,namely spleen deficiency and dampness stagnation syndrome,spleen deficiency and qi stagnation syndrome,spleen yang deficiency syndrome and spleen qi deficiency syndrome;the combinations of syndromes and syndrome elements were clustered into five categories,namely manifestations of liver depression and spleen deficiency syndrome combined with intestinal dampness stagnation syndrome,manifestations of food stagnation in the stomach syndrome,manifestations of spleen deficiency and qi stagnation syndrome,manifestation of greasy coating,and manifestations of stomach qi failing to descend and rebellious stomach qi syndrome.Conclusion IBS-D overlapping FD usually affects the spleen,and is closely related to the disorders of the stomach,liver and small intestine.The main syndromes of IBS-D overlapping FD are spleen deficiency and dampness stagnation syndrome,and liver stagnation and spleen deficiency combined with intestinal dampness stagnation syndrome.Qi stagnation and dampness stagnation contribute to the key pathogenesis of IBS-D overlapping FD.IBS-D overlapping FD is characterized by the mixture of deficiency and excess,with the presence of pathological products such as phlegm-dampness,food accumulation and blood stasis in the later stage.
10.Longitudinal intussusception versus end-to-side vasoepididymostomy:Comparison of their recanalization rates
Lu-Gang ZHAO ; Hong CHEN ; Gui-Hua LIU ; Cong FANG ; Xiao-Yan LIANG ; Jing ZHANG
National Journal of Andrology 2024;30(11):1002-1008
Objective:To compare the recanalization rate of 2-suture longitudinal intussusception vasoepididymostomy(LIVE)with that of4-suture end-to-side vasoepididymostomy(ESVE).Methods:This retrospective case-control study included 127 cases of obstructive azoospermia(OA)treated by LIVE(n=87)or ESVE(n=40)in our Center of Reproductive Medicine from October 2013 to July 2024.We analyzed the clinical data and compared the age,testis volume,level of serum follicle-stimulating hormone(FSH),operation time and postoperative recanalization rate between the two groups.Results:Spermatozoa were observed in 90(70.9%)of the 127 cases after surgery.There were no statistical differences in age,testis volume and FSH between the two groups of patients(all P>0.05),and nor were there any serious surgical complications.The operation time was significantly longer in the ESVE than in the LIVE group(22.0[20.0-25.8]vs 17.0[15.0-23.0]min,P<0.05),while the postoperative recanalization rate remarkably higher in the former than in the latter group(85.0%vs 64.4%,P<0.05).Vasoepididymostomy was performed at the caput epididymis in 11 cases,with a higher recanalization rate in the ESVE than in the LIVE group(50.0%[1/2]vs 33.3%[3/9]).Conclusion:ESVE achieved a higher postoperative recanalization rate than LIVE in the treatment of OA,but its advanta-ges need further investigation.

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