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1Long-term result of endoscopic Histoacryl (N-butyl-2-cyanoacrylate)injection for treatment of gastric varices显示文摘AIM:To evaluate the long-term efficacy and safety of endoscopic obliteration with Histoacryl  for treatment of gastric variceal bleeding and prophylaxis.METHODS:Between January 1994 and March 2010 at SoonChunHyang University Hospital,a total of 127 patients with gastric varices received Histoacryl  injections endoscopically.One hundred patients underwent endoscopic Histoacryl  injections because of variceal bleeding,the other 27 patients received such injections as a prophylactic procedure.RESULTS:According to Sarin classification,56 patients were GOV1,61 patients were GOV2 and 10 patients were IGV.Most of the varices were large(F2 or F3,111 patients).The average volume of Histoacryl  per each session was 1.7±1.3 cc and mean number of sessions was 1.3±0.6.(1 session-98 patients,2 sessions-25 patients,≥3 sessions-4 patients).Twenty-seven patients with high risk of bleeding(large or fundal or RCS+or Child C) received Histoacryl  injection as a primary prophylactic procedure.In these patients,hepatitis B virus was the major etiology of cirrhosis,25 patients showed GOV1 or 2(92.6%)and F2 or F3 accounted for 88.9%(n=24).The rate of initial hemostasis was 98.4%and recurrent bleeding within one year occurred in 18.1%of patients.Successful hemostasis during episodes of rebleeding was achieved in 73.9%of cases.Median survival was 50 mo (95%CI 30.5-69.5).Major complications occurred in 4 patients(3.1%).The rebleeding rate in patients with hepatocellular carcinoma or GOV2 was higher than in those with other conditions.None of the 27 subjects who were treated prophylactically experienced treatment-related complications.Cumulative survival rates of the 127 patients at 6 mo,1,3,and 5 years were 92.1%,84.2%,64.2%,and 45.3%,respectively.The 6 mo cumulative survival rate of the 27 patients treated prophylactically was 75%.CONCLUSION:Histoacryl  injection therapy is an effective treatment for gastric varices and also an effective prophylactic treatment of gastric varices which carry high risk of bleeding.Eun Jung Kang Soung Won Jeong Jae Young Jang Joo Young Cho Sae Hwan Lee Hyun Gun Kim Sang Gyune Kim Young Seok Kim Young Koog Cheon Young Deok Cho Hong Soo Kim Boo Sung Kim 2011World Journal of Gastroenterology2011,17,11:41
2Double guidewire technique vs transpancreatic precut sphincterotomy in difficult biliary cannulation显示文摘AIM:To compare the outcomes between doubleguidewire technique(DGT) and transpancreatic precut sphincterotomy(TPS) in patients with difficult biliary cannulation.METHODS:This was a prospective,randomized study conducted in single tertiary referral hospital in Korea.Between January 2005 and September 2010.A total of 71 patients,who bile duct cannulation was not possible and selective pancreatic duct cannulation was achieved,were randomized into DGT(n = 34) and TPS(n = 37) groups.DGT or TPS was done for selective biliary cannulation.We measured the technical success rates of biliary cannulation,median cannulation time,and procedure related complications.RESULTS:The distribution of patients after randomization was balanced,and both groups were comparable in baseline characteristics,except the higher percentage of endoscopic nasobiliary drainage in the DGT group(55.9% vs 13.5%,P < 0.001).Successful cannulation rate and mean cannulation times in DGT and TPS groups were 91.2% vs 91.9% and 14.1 ± 13.2 min vs 15.4 ± 17.9 min,P = 0.732,respectively.There was no significant difference between the two groups.The overall incidence of post-endoscopic retrograde cholangiopancreatography(ERCP) pancreatitis was 38.2% vs 10.8%,P < 0.011 in the DGT group and the TPS group;post-procedure pancreatitis was significantly higher in the DGT group.But the overall incidence of post-ERCP hyperamylasemia was no significant difference between the two groups;DGT group vs TPS group:14.7% vs 16.2%,P < 1.0.CONCLUSION:When free bile duct cannulation was difficult and selective pancreatic duct cannulation was achieved,DGT and TPS facilitated biliary cannulation and showed similar success rates.However,post-procedure pancreatitis was significantly higher in the DGT group.Young Wook Yoo Sang-Woo Cha Woong Cheul Lee Sae Hee Kim Anna Kim Young Deok Cho 2013World Journal of Gastroenterology2013,19,1:25
3Clinical characteristics of incidental or unsuspected gallbladder cancers diagnosed during or after cholecystectomy: A systematic review and meta-analysis显示文摘AIM: To perform a systematic review of incidental or unsuspected gallbladder(GB) cancer diagnosed during or after cholecystectomy. METHODS: Data in Pub Med, EMBASE, and CochraneLibrary were reviewed and 26 publications were included in the meta-analysis. The inclusion criterion for incidental GB cancer was GB cancer diagnosed during or after cholecystectomy that was not suspected at a preoperative stage. Pooled proportions of the incidence, distribution of T stage, and revisional surgery of incidental GB cancer were analyzed.RESULTS: The final pooled population comprised 2145 patients with incidental GB cancers. Incidental GB cancers were found in 0.7% of cholecystectomies p e r f o r m e d f o r b e n i g n g a l l b l a d d e r d i s e a s e s o n preoperative diagnosis(95%CI: 0.004-0.012). Nearly 50% of the incidental GB cancers were stage T2 with a pooled proportion of 47.0%(95%CI: 0.421-0.519). T1 and T3 GB cancers were found at a similar frequency, with pooled proportions of 23.0%(95%CI: 0.178-0.291) and 25.1%(95%CI: 0.195-0.317), respectively. The pooled proportion that completed revisional surgery for curative intent was 40.9%(95%CI: 0.329-0.494). The proportion of patients with unresectable disease upon revisional surgery was 23.0%(95%CI: 0.177-0.294). CONCLUSION: A large proportion of incidental GB cancers were T2 and T3 lesions. Revisional surgery for radical cholecystectomy is warranted in T2 and more advanced cancers.Kui Sun Choi Sae Byeol Choi Pyoungjae Park Wan Bae Kim Sang Yong Choi 2015World Journal of Gastroenterology2015,21,4:24
4Management of entecavir-resistant chronic hepatitis B with adefovir-based combination therapies显示文摘AIM: To evaluate the long-term efficacy adefovir(ADV)-based combination therapies in entecavir(ETV)-resistant chronic hepatitis B(CHB) patients. METHODS: F i fty CHB pat ient s wi t h genotypic resistance to ETV at 13 medical centers in South Korea were included for the analysis. All the patients received rescue therapy with the combination of ADV plus ETV(ADV/ETV,n = 23) or ADV plus lamivudine(LMV)(ADV/LMV,n = 27) for more than 12 mo. Patients were monitored at least every 3-4 mo during ADV-based combination therapy by clinical examination as well as biochemical and virological assessments. Hepatitis B virus(HBV) DNA levels were measured by realtime PCR and logarithmically transformed for analysis. Cumulative rates of virologic response(VR; HBV DNA < 20 IU/m L) were calculated using the Kaplan-Meier method,and the difference was determined by a logrank test. Multivariate logistic regression and Cox proportional hazards models were used to identify independent risk factors significantly associated with short-term and long-term VR,respectively.RESULTS: Baseline median HBV DNA levels were 5.53(2.81-7.63) log10 IU/m L. The most commonly observed ETV genotypic mutation sites were rt184 and rt202. Patients were treated for a median of 27(12-45) mo. Overall,cumulative VR rates at 6,12,24,and 36 mo were 26%,36%,45%,and 68%,respectively. Patients treated with the ADV/ETV combination showed higher cumulative VR rates(35%,43%,65%,and 76%,respectively) than those with the ADV/LAM combination(18%,30%,30%,and 62%,respectively; P = 0.048). In the multivariate analysis,low baseline HBV DNA levels(< 5.2 log10 IU/m L) and initial virologic response at 3 mo(IVR-3; HBV DNA < 3.3 log10 IU/m L after 3 mo) were independent predictive factors for VR. Patients with favorable predictors achieved cumulative VR rates up to 90% at 36 mo. During the same period,the cumulative incidence of virologic breakthrough was as low as 6% in patients with the both favorable predictors.CONCLUSION: If tenofovir is not available,ADV/ETV combination could be considered in ETV-resistant patients with low HBV DNA titers,and may becontinued if IVR-3 is achieved.Hyoung Su Kim Hyung Joon Yim Myoung Kuk Jang Ji Won Park Sang Jun Suh Yeon Seok Seo Ji Hoon Kim Bo Hyun Kim Sang Jong Park Sae Hwan Lee Sang Gyune Kim Young Seok Kim Jung Il Lee Jin-Woo Lee In Hee Kim Tae Yeob Kim Jin-Wook Kim Sook-Hyang Jeong Young Kul Jung Hana Park Seong Gyu Hwang 2015World Journal of Gastroenterology2015,21,38:13
5Anti-inflammatory and Antimicrobial Effects of Anthocyanin Extracted from Black Soybean on Chronic Bacterial Prostatitis Rat Model显示文摘Objective: To investigated the anti-inflammatory and antimicrobial effects of anthocyanins extracted from black soybean on the chronic bacterial prostatitis(CBP) rat model.Methods: The SpragueDawley rats were divided into 4 groups,including control,ciprofloxacin,anthocyanins and anthocyanins with ciprofloxacin groups(n=8 in each group).Then,drip infusion of bacterial suspension(Escherichia coli Z17O_2:K_1:H^-) into Sprague-Dawley rats was conducted to induce CBP.In 4 weeks,results of prostate tissue,urine culture,and histological analysis on the prostate were analyzed for each group.Results: The use of ciprofloxacin,anthocyanins,and anthocyanins with ciprofloxacin showed statistically significant decreases in bacterial growth and improvements in the reduction of prostatic inflammation compared with the control group(P<0.05).The anthocyanins with ciprofloxacin group showed a statistically significant decrease in bacterial growth and improvement in prostatic inflammation compared with the ciprofloxacin group(P<0.05).Conclusions: These results suggest that anthocyanins may have anti-inflammatory and antimicrobial effects,as well as a synergistic effect with ciprofloxacin.Therefore,we suggest that the combination of anthocyanins and ciprofloxacin may be effective in treating CBP to obtain a higher rate of treatment success.Byung Il Yoon Woong Jin Bae Yong Sun Choi Su Jin Kim U Syn Ha Sung-Hoo Hong Dong Wan Sohn Sae Woong Kim 2018Chinese Journal of Integrative Medicine2018,24,8:11
6Diagnostic value for extrahepatic metastases of hepatocellular carcinoma in positron emission tomography/computed tomography scan显示文摘AIM: To evaluated the value of 18F-fluorodeoxyglucose (FDG) positron emission tomography (PET)/computed tomography (CT) scan in diagnosis of hepatocellular carcinoma (HCC) and extrahepatic metastases. METHODS: A total of 138 patients with HCC who had both conventional imaging modalities and 18F-FDG PET/CT scan done between November 2006 and March 2011 were enrolled. Diagnostic value of each imaging modality for detection of extrahepatic metastases was evaluated. Clinical factors and tumor characteristics including PET imaging were analyzed as indicative factors for metastases by univariate and multivariate methods. RESULTS: The accuracy of chest CT was significantly superior compared with the accuracy of PET imaging for detecting lung metastases. The detection rate of metastatic pulmonary nodule ≥ 1 cm was 12/13 (92.3%), when < 1 cm was 2/10 (20%) in PET imaging. The accuracy of PET imaging was significantly superior compared with the accuracy of bone scan for detecting bone metastases. In multivariate analy- sis, increased tumor size (≥ 5 cm) (P = 0.042) and increased average standardized uptake value (SUV) uptake (P = 0.028) were predictive factors for extrahepatic metastases. Isometabolic HCC in PET imaging was inversely correlated in multivariate analysis (P = 0.035). According to the receiver operating characteristic curve, the optimal cutoff of average SUV to predict extrahepatic metastases was 3.4. CONCLUSION: 18F-FDG PET/CT scan is invaluable for detection of lung metastases larger than 1 cm and bone metastases. Primary HCC having larger than 5 cm and increased average SUV uptake more than 3.4 should be considered for extrahepatic metastases.Ji Eun Lee Jae Young Jang Soung Won Jeong Sae Hwan Lee Sang Gyune Kim Sang-Woo Cha Young Seok Kim Young Deok Cho Hong Soo Kim Boo Sung Kim So Young Jin Deuk Lin Choi 2012World Journal of Gastroenterology2012,18,23:10
7Trends in the incidence of cryptorchidism and hypospadias of registry-based data in Korea: a comparison between industrialized areas of petrochemical estates and a non-industrialized area显示文摘这研究试图在朝鲜在 cryptorchidism 和 hypospadias 的全国性的发生代表最近的趋势,并且决定是否有在发生的空间异质的证据。发生在一张人口在实时出生以后在开始的 4 年期间作为最新诊断的病人(男性) 的数字被计算,全国地并且地区性(一个非工业化的区域(Chuncheon ) 和石油化学的房地产(Yeocheon 和 Ulsan )) ,在 2000 和 2005 之间。为新病人的数据(分子) 从国家健康保险评论机构被获得,并且为居民登记人口的数据(分母) 从国家统计办公室。在 2000 和 2005 之间, cryptorchidism 和 hypospadias 的国家发生每 10   从 5.01 ~ 17.43 有一个增加的趋势; 000 个人并且从 1.40 ~ 3.28 每 10   000 个人分别地。cryptorchidism 的发生在 Yeocheon 是显著地更高的(在整个学习时期) 并且在 Ulsan (2001, 2002, 2004 和 2005 ) 比国家发生,而在 Chuncheon 的发生在 2001 和 2002 是显著地更低的。因为盒子的小数字,每年并且地区性比较 hypospadias 的率是困难的。在结论, cryptorchidism 的发生最近在朝鲜增加了。石油化学的房地产, Yeocheon 和 Ulsan,比国家发生有 cyptorchidism 的显著地更高的发生,它建议进一步的学习被需要在异例的发生获得趋势的一个更精确的评价并且证实在 petrochemicals 和异例之间的协会。Sae Chul Kim Su Kyoung Kwon Yeon Pyo Hong 2011Asian Journal of Andrology2011,13,5:9
8Colonoscopy-induced ischemic colitis in patients without risk factors显示文摘Ischemic colitis is the most common form of intestinal ischemia.It is a condition that is commonly seen in the elderly and among individuals with risk factors for ischemia.Common predisposing conditions for ischemic colitis are major vascular occlusion,small vessel disorder,shock,some medications,colonic obstructions and hematologic disorders.Ischemic colitis following colonoscopy is rare.Here,we report two cases of ischemic colitis after a routine screening colonoscopy in patients without risk factors for ischemia.Sang Ok Lee Sae Hee Kim Sung Hee Jung Chan Woong Park Min Ji Lee Jin A Lee Hyun Cheol Koo Anna Kim Hyun-Young Han Dong-Wook Kang 2014World Journal of Gastroenterology2014,20,13:9
9Investigation of X-1P coating on magnetic head to enhance the stubility of head/disk interface显示文摘Stable lubrication is essential to slider/disk interface of computer hard disk drive. Inertlubricant perfluoropolyether (PFPE) on magnetic hard disk in computer is still prone to catalyticdecomposition by Al2O3, which is one of the materials in slider. A partial fluorinated hexaphenoxycyclotriphosphazene chemical, X-1 P, was analyzed to research on its function to reduce the cata-lytic decomposition of lubricant. The surface free energy of X-1 P coated on head surface was alsoinvestigated. Contact start-stop (CSS) tester was employed to investigate the reflow effective ofX-1 P on lubricant PFPE. Results indicate that thermal stability and reflow of lubricant will be im-proved in the presence of X-1 P on the slider.YANG Mingchu LUO Jianbin WEN Shizhu ZHANG Xiaoqing LI Yu I. Yagi TIAN Hong 1. State Key Laboratory of Tribology, Tsinghua University Beijing 100084, China 2. Material & Tribology Engineering Department, SAE Magnetics (H. K.) Ltd, Hong Kong, China 2001Science China Mathematics2001,44,S1:4
10母乳喂养和孕产妇心血管病风险:30万中国妇女的前瞻性研究显示文摘母乳喂养给儿童健康带来了大量好处,并且也与母亲生命后期心血管病风险降低相关。然而,有关其对心血管病影响的证据仍然不一致,特别是在东亚人中,母乳喂养的频率和持续时间与西方国家的频率和持续时间显著不同。2004-2008年,中国香港嘉道理生物样本库(China Kadoorie biobank)从中国10个不同地区招募了年龄30-79岁受试者50万人,基线无心血管病的女性受试者289 573人在8年的随访中,刘莉 叶鹏 Peters SAE Yang L Guo Y Chen Y Bian Z Du J Yang J Li S Li L Woodward M Chen Z 2017中华高血压杂志2017,25,8:4
11Colonic Mucosal Immune Activity in Irritable Bowel Syndrome: Comparison with Healthy Controls and Patients with Ulcerative Colitis显示文摘Ji Yong Ahn Kyung Hun Lee Chang Hwan Choi Ju Wan Kim Hyun Woong Lee Jeong Wook Kim Mi Kyung Kim Gui Young Kwon Seungbong Han Seong-Eun Kim Sung Min Kim Sae Kyung Chang 2014Digestive Diseases and Sciences2014,,5:3
12Modified rendezvous intrahepatic bile duct cannulation technique to pass a PTBD catheter in ERCP显示文摘The rendezvous procedure combines an endoscopic technique with percutaneous transhepatic biliary drainage(PTBD).When a selective common bile duct cannulation fails,PTBD allows successful drainage and retrograde access for subsequent rendezvous techniques.Traditionally,rendezvous procedures such as the PTBDassisted over-the-wire cannulation method,or the parallel cannulation technique,may be available when a bile duct cannot be selectively cannulated.When selective intrahepatic bile duct(IHD) cannulation fails,this modified rendezvous technique may be a feasible alternative.We report the case of a modified rendezvous technique,in which the guidewire was retrogradely passed into the IHD through the C2 catheter after end-to-end contact between the tips of the sphincterotome and the C2 catheter at the ampulla's orifice,in a 39-year-old man who had been diagnosed with gallbladder carcinoma with a metastatic right IHD obstruction.Clinically this procedure may be a feasible and timesaving technique.Tae Hoon Lee Sang-Heum Park Sae Hwan Lee Chang-Kyun Lee Suck-Ho Lee Il-Kwun Chung Hong Soo Kim Sun-Joo Kim 2010World Journal of Gastroenterology2010,16,42:3
13The Effect of a Multispecies Probiotic Mixture on the Symptoms and Fecal Microbiota in Diarrhea-dominant Irritable Bowel Syndrome: A Randomized, Double-blind, Placebo-controlled Trial显示文摘Bong Ki Cha Seung Mun Jung Chang Hwan Choi In-Do Song Hyun Woong Lee Hyung Joon Kim Jae Hyuk Sae Kyung Chang Kijeong Kim Won-Seok Chung Jae-Gu Seo 2012Journal of Clinical Gastroenterology2012,,3:3
14Saeng-Kankunbi-Tang(生肝健脾汤) Protects Liver against Oxidative Damage through Activation of ERK/Nrf2 Pathway显示文摘Objective: To investigate the cytoprotective effects of Saeng-kankunbi-tang(生肝健脾汤, SKT), a herbal prescription consisting of Artemisia capillaris and Alisma canaliculatum, and its underlying mechanism involved. Methods: In mice, blood biochemistry and histopathology were assessed in carbon tetrachloride(CCl4)-induced oxidative hepatic injury in vivo. The animal groups included vehicle-treated control, CCl4, SKT 500 mg/(kg·day) CCl4+SKT 200 or 500 mg/(kg·day). In Hep G2 cell, tert-butyl hydroperoxide(t BHP) induced severe oxidative stress and mitochondrial dysfunction in vitro. The cyto-protective effects of SKT were determined by 3-(4,5-dimethylthiazol)-2,5-diphenyltetrazolium bromide(MTT) assay, fluorescence activated cell sorting analysis and western blotting. Results: The administration of SKT prevented liver damage induced by CCl4 in mice, by inhibition of hepatocyte degeneration and inflammatory cell infiltration as well as plasma parameters such as alanine aminotransferase(P<0.01). Moreover, treatment with t BHP induced hepatocyte death and cellular reactive oxygen species production in hepatocyte cell line. However, SKT pretreatment(30–300 μg/m L) reduced this cell death and oxidative stress(P<0.01). More importantly, SKT inhibited the ability of t BHP to induce changes in mitochondrial membrane transition in cell stained with rhodamine 123(P<0.01). Furthermore, treatment with SKT induced extracellular signal-regulated kinases-mediated nuclear factor erythroid-2-related factor 2(Nrf2) activation as well as the expressions of heme oxygenase 1 and glutamate-cystein ligase catalytic, Nrf2 target genes. Conclusion: SKT has the ability to protect hepatocyte against oxidative stress and mitochondrial damage mediated by Nrf2 activation.In Woo Lee Hee Yoon Choi Ju-Hee Lee Sun-Dong Park Seung Mo Kim Sae Kwang Ku 赵容杰 Sang Chan Kim Young Woo Kim Hong Sik Choi 2016Chinese Journal of Integrative Medicine2016,22,8:3
15Is endoscopic forceps biopsy enough for a definitive diagnosis of gastric epithelial neoplasia?显示文摘Chang KyunLee Il‐KwunChung Suck‐HoLee Sang PilKim Sae HwanLee Tae HoonLee Hong‐SooKim Sang‐HeumPark Sun‐JooKim Ji‐HyeLee Hyun DeukCho Mee‐HyeOh 2010Journal of Gastroenterology and Hepatology2010,,9:2
16Recent advancement in diagnosis of vasculogenic impotence显示文摘Several dynamic tests with vasoactive drugs are available for evaluating penile vascular inflows and outflows,ranging from simple pharmacologic test to more invasive radiologic sets. However, there is still no perfect single test to reflect the penile vascular flow. All possible efforts should be exerted to get the greatest erectile effect to avoid an underestimation of blood flow to the corpora due to incomplete relaxation of the trabecular smooth muscle.Appreciation of the type and frequency of anatomical variations and potential collateral routes is important in interpreting penile arterograms and m evaluating the hemodynamic significance of suspected arterial disease. Choice of the vascular tests should always depend on the purpose of testing. (Asian J Androl 1999 Jun ; 1 : 37 - 43)Sae Chul Kim 1999Asian Journal of Andrology1999,1,1:2
17Review of Mercury's dynamic magnetosphere:Post-MESSENGER era and comparative magnetospheres显示文摘This review paper summarizes the research of Mercury’s magnetosphere in the Post-MESSENGER era and compares its dynamics to those in other planetary magnetospheres,especially to those in Earth’s magnetosphere.This review starts by introducing the planet Mercury,including its interplanetary environment,magnetosphere,exosphere,and conducting core.The frequent and intense magnetic reconnection on the dayside magnetopause,which is represented by the flux transfer event'shower',is reviewed on how they depend on magnetosheath plasma β and magnetic shear angle across the magnetopause,followed by how it contributes to the flux circulation and magnetosphere-surface-exosphere coupling.In the next,Mercury’s magnetosphere under extreme solar events,including the core induction and the reconnection erosion on the dayside magnetosphere,as well as the responses of the nightside magnetosphere,are reviewed.Then,the dawn-dusk properties of the plasma sheet,including the features of the ions,the structure of the current sheet,and the dynamics of magnetic reconnection,are summarized.The last topic is devoted to the particle energization in Mercury’s magnetosphere,which includes the energization of the Kelvin-Helmholtz waves on the magnetopause boundaries,reconnection-generated magnetic structures,and the cross-tail electric field.In each chapter,the last section discusses the open questions related to each topic,which can be considered by the simulations and the future spacecraft mission.We end this paper by summarizing the future Bepi Colombo opportunities,which is a joint mission of ESA and JAXA and is en route to Mercury.Weijie SUN Ryan MDEWEY Sae AIZAWA Jia HUANG James A.SLAVIN Suiyan FU Yong WEI Charles F.BOWERS 2022Science China Earth Sciences2022,65,1:2
18Outcome after curative resection for a huge (≥10 cm) hepatocellular carcinoma and prognostic significance of gross tumor classification显示文摘Gi Hong Choi Dai Hoon Han Dong Hyun Kim Sae Byeol Choi Chang Moo Kang Kyung Sik Kim Jin Sub Choi Young Nyun Park Jun Yong Park Do Young Kim Kwang-Hyub Han Chae Yoon Chon Woo Jung Lee 2009The American Journal of Surgery2009,,5:2
19Evaluation of the sperm DNA fragmentation index in infertile Japanese men by in-house flow cytometric analysis显示文摘Semen analysis has long been used to evaluate male fertility.Recently,several sperm function tests have been developed.Of those,the sperm DNA fragmentation index(DFI),which describes the status of the sperm DNA,is thought to be a suitable parameter for evaluating male fertility.However,there have been no large-scale studies on the sperm DFI of Japanese men.Therefore,we investigated the feasibility of using an in-house flow cytometry-based sperm DFI analysis based on the sperm DNA fragmentation test of sperm chromatin structure assay(SCSA)to assess male fertility in Japan.This study enrolled 743 infertile and 20 fertile Japanese men.To evaluate reproducibility,inter-and intraobserver precision was analyzed.A receiver operating characteristic curve analysis was used to set a cutoff value for the sperm DFI to identify men who could father children by timed intercourse or intrauterine insemination.The variability of the sperm DFI among fertile volunteers was determined.The relationship between semen parameters and the sperm DFI was assessed by Spearman’s rho test.A precision analysis revealed good reproducibility of the sperm DFI.The cutoff value of sperm DNA fragmentation in infertile men was 24.0%.Semen volume had no relationship with the sperm DFI.Sperm concentration,sperm motility,total motile sperm count,and percentage of normal-shaped sperm were significantly and negatively correlated with the sperm DFI.The median sperm DFI was smaller in fertile volunteers(7.7%)than that in infertile men(19.4%).Sperm DNA fragmentation analysis can be used to assess sperm functions that cannot be evaluated by ordinary semen analysis.Akiyoshi Osaka Hiroshi Okada Sae Onozuka Takashi Tanaka Toshiyuki Iwahata Yukihito Shimomura Yoshitomo Kobori Kazutaka Saito Kouhei Sugimoto 2022Asian Journal of Andrology2022,24,1:2
20Methylation and microsatellite status and recurrence following adjuvant FOLFOX in colorectal cancer显示文摘Sae‐Won Han Hyun‐Jung Lee Jeong Mo Bae Nam‐Yun Cho Kyung‐Hun Lee Tae‐Yong Kim Do‐Youn Oh Seock‐Ah Im Yung‐Jue Bang Seung‐Yong Jeong Kyu Joo Park Jae‐Gahb Park Gyeong Hoon Kang Tae‐You Kim 2012Int J Cancer2012,,9:2
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