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Methods: A retrospective cohort study analyzed patients undergoing OC by either vNOTES or LESS between January 2015 and September 2021. The primary endpoint was conversion rate, with secondary endpoints including operative duration, length of stay, estimated blood loss, and postoperative temperature metrics. Results: Baseline characteristics were largely similar; vNOTES showed shorter surgery time and reduced blood loss. Conclusion: vNOTES offers cosmetic benefit without visible scars and improved perioperative outcomes relative to LESS.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/comparing-outcomes-of-ovarian-cystectomy-by-vaginal-natural-orifice-transluminal-endoscopic-surgery-versus-laparoendoscopic-single-site-surgery-a-retrospective-cohort-study/436779/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/comparing-outcomes-of-ovarian-cystectomy-by-vaginal-natural-orifice-transluminal-endoscopic-surgery-versus-laparoendoscopic-single-site-surgery-a-retrospective-cohort-study/436779.png","ImageObject",300,407,{"name":92,"@type":93},"วิน","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-09-29",true,{"@type":102,"interactionType":103,"userInteractionCount":52},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What was the primary outcome of the study comparing vNOTES and LESS for ovarian cystectomy?","Question",{"text":112,"@type":113},"The primary outcome was the conversion rate between vNOTES and LESS.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Which secondary outcomes favored vNOTES in this retrospective cohort study?",{"text":117,"@type":113},"vNOTES had a shorter duration of surgery and lower estimated blood loss compared with LESS.",{"name":119,"@type":110,"acceptedAnswer":120},"What did the study conclude about cosmetic appearance and overall advantages of vNOTES?",{"text":121,"@type":113},"The study concluded that vNOTES has no visible scars and better perioperative outcomes than LESS, though larger prospective trials are needed to confirm findings.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},436779,1790792065,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":52,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":29,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":144,"preview_page_count":4},2336475104736,"https://ap-avatar.wpscdn.com/avatar/22000c4c5e0e5b17e70?x-image-process=image/resize,m_fixed,w_180,h_180&k=1786591360781797222","J Chin MedAssoc  \nOriginal article  \nComparing outcomes of ovarian cystectomy by vaginal natural orifice transluminal endoscopic surgery versus laparoendoscopic single-site surgery: A retrospective cohort study  \nChi-Han Changa, Dah-Ching Dinga,b,*  \naDepartment of Obstetrics and Gynecology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Foundation, and Tzu Chi University, Hualien, Taiwan, ROC; bInstitute of Medical Sciences, College of Medicine, Tzu Chi University, Hualien, Taiwan, ROC  \nAbstract  \nBackground: We aimed to compare the outcomes of ovarian cystectomy (OC) performed by vaginal natural orifice transluminalendoscopic surgery (vNOTES) vs transumbilical laparoendoscopic single-site surgery (LESS) .  \nMethods: We retrospectively analyzed the data of patients in our hospital who underwent OC either by vNOTES or LESS between January 2015 and September 2021. Demographic data were collected. The primary outcome was the conversion rate. The secondary outcomes were the duration of surgery, length of hospital stay, estimated blood loss, maximum body temperature within 48 hours after operation, and duration of maximum body temperature (hours), among others. Statistical analysis was done using the SPSS software.  \nResults: Exactly 284 patients were screened. The vNOTES and LESS groups consisted of 21 and 47 patients, respectively. There was no significant difference in the conversion rates between the two groups (0 vs 8.5% in vNOTES and LESS, respectively; p = 0.303) . Compared with the vNOTES group, the LESS group had a larger cyst diameter (6 .00 ± 2.32 vs 4.69 ± 1.29 cm; p = 0.004), more endometriotic cysts (42 .6% vs 9.5%; p \u003C 0.001), and more pelvic adhesions requiring adhesiolysis (57 .4% vs 19.0%; p = 0.003) . At baseline, there were no other differences between the groups. The secondary outcomes included a shorter duration of surgery (70 .14 ± 27.30 vs 99.57 ± 36.26 minutes; p = 0 .001) and lower estimated blood loss (64 .29 ± 39.19 vs 163.43 ± 251.20 mL; p = 0.011) in the vNOTES group. Regression analysis showed the diameter of the ovarian cyst correlated with surgical time. The complication was comparable between the two groups.  \nConclusion: Above all, the advantages of vNOTES include an absence of visible scars, shorter surgical duration, and less blood loss when compared with LESS. Further large-scale prospective trials should confirm the results of our study.  \nKeywords: Laparoendoscopic single-site surgery; Ovarian cystectomy; Vaginal natural orifice transluminal endoscopic surgery  \n1. INTRODUCTION  \nOvarian cysts are common diseases among women.1 For women of reproductive age, most ovarian cysts they experience are benign and can be managed conservatively.1 However, bothersome symptoms such as lower abdominal pain or menorrhagia may cause women with ovarian cysts to seek medical intervention.1,2 Approximately 5% to 10% of women will need surgical intervention for symptomatic ovarian cysts throughout their lifetime.3,4  \n*Address correspondence. Dr. Dah-Ching Ding, Department of Obstetrics and Gynecology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Foundation, and Tzu Chi University, 707, Section 3, Chung-Yang Road, Hualien 970, Taiwan, ROC. E-mail [address: dah1003@yahoo.com.tw](address: dah1003@yahoo.com.tw) (D.-C. Ding).  \nConflicts of interest: The authors declare that they have no conflicts of interest related to the subject matter or materials discussed in this article.  \nJournal of Chinese Medical Association. (2023) 86: 682-687.  \nReceived November 2, 2022; accepted April 11, 2023.  \ndoi: 10. 1097/JCMA.0000000000000933.  \nCopyright © 2023, the Chinese Medical Association. This is an open access article under the CC BY-NC-ND license ([http://creativecommons.org/licenses/](http://creativecommons.org/licenses/)[ ](http://creativecommons.org/licenses/)[by-nc-nd/4.0/](by-nc-nd/4.0/))  \nThe indication for laparoscopic ovarian cystectomy includes all benign lesions: a mass \u003C5 cm with liquid or dermoid content, a th","cbCaimOsZZf8Podb","https://ap.wps.com/l/cbCaimOsZZf8Podb","pdf",530606,"English","# Introduction\n## Surgical techniques and rationale\n# Methods\n## Ethical approval\n## Study design and endpoints\n# Results\n## Conversion rate comparison\n## Secondary outcome differences\n# Conclusion","[{\"question\":\"What was the primary outcome of the study comparing vNOTES and LESS for ovarian cystectomy?\",\"answer\":\"The primary outcome was the conversion rate between vNOTES and LESS.\"},{\"question\":\"Which secondary outcomes favored vNOTES in this retrospective cohort study?\",\"answer\":\"vNOTES had a shorter duration of surgery and lower estimated blood loss compared with LESS.\"},{\"question\":\"What did the study conclude about cosmetic appearance and overall advantages of vNOTES?\",\"answer\":\"The study concluded that vNOTES has no visible scars and better perioperative outcomes than LESS, though larger prospective trials are needed to confirm findings.\"}]","Comparing outcomes of ovarian cystectomy by vaginal natural orifice transluminal endoscopic surgery versus laparoendoscopic single-site surgery - A retrospective cohort study | PDF",1790679039,15]