Gasless vNOTES vs. traditional vNOTES for benign gynecological disease: a randomized controlled clinical trial

Abstract Background Gasless transvaginal natural orifice transluminal endoscopic surgery (G-vNOTES) can avoid complications related to pneumoperitoneum, but there is limited research on G-vNOTES. Here, we aimed to compare the hemodynamic profiles and outcomes of G-vNOTES with traditional vNOTES (T-v...

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Main Authors: Yanjun Wang, Kai Liu, Zhaolin Gong, Qinghua Huang, Qianqian Zhang, Dan Feng, Jiaojiao Chen, Ang Mao, Xia Yu, Lin Zhang, Yu Cui, Li He, Yonghong Lin
Format: Article
Language:English
Published: BMC 2025-04-01
Series:BMC Anesthesiology
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Online Access:https://doi.org/10.1186/s12871-025-02993-4
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author Yanjun Wang
Kai Liu
Zhaolin Gong
Qinghua Huang
Qianqian Zhang
Dan Feng
Jiaojiao Chen
Ang Mao
Xia Yu
Lin Zhang
Yu Cui
Li He
Yonghong Lin
author_facet Yanjun Wang
Kai Liu
Zhaolin Gong
Qinghua Huang
Qianqian Zhang
Dan Feng
Jiaojiao Chen
Ang Mao
Xia Yu
Lin Zhang
Yu Cui
Li He
Yonghong Lin
author_sort Yanjun Wang
collection DOAJ
description Abstract Background Gasless transvaginal natural orifice transluminal endoscopic surgery (G-vNOTES) can avoid complications related to pneumoperitoneum, but there is limited research on G-vNOTES. Here, we aimed to compare the hemodynamic profiles and outcomes of G-vNOTES with traditional vNOTES (T-vNOTES) in the treatment of patients with benign gynecologic disease. Methods A total of 120 patients with benign gynecologic disease were randomly assigned to G-vNOTES (n = 60) or traditional vNOTES (n = 60). The primary outcome was vital sign at different time points. Secondary outcomes included conversion rate, surgical time, anesthesia time, the usage of anesthetics, estimated intraoperative blood loss, visual analogue scale (VAS) score for abdominal and shoulder pain and postoperative nausea and vomiting (PONV) at 2 and 24 h, intraoperative and postoperative complications, time to first anal exhaust, eating, and getting out of bed after surgery, and length of postoperative hospital stay. Multi-level model analysis was used for intraoperative hemodynamic indicators. Results There was no significant difference between the two groups at the baseline level. The results of the multilevel model indicate that there is no difference in intraoperative hemodynamic performance between the G-vNOTE group and the T-vNOTES group. The conversion rate in the G-vNOTES group was higher than that in the T-vNOTES group (16.95% vs. 5.26%, p = 0.046). No significant differences were observed in other areas. Conclusions This study did not find advantages of gasless vNOTES in intraoperative hemodynamic fluctuations. The surgical conversion rate of the G-vNOTES group is higher than that of the T-vNOTES group, which may be related to poor surgical field exposure in the G-vNOTES group, making it more suitable for experienced and confident surgeons.
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spelling doaj-art-73c1ebf5e74c430c9ddc778add1b5e9d2025-08-20T02:17:13ZengBMCBMC Anesthesiology1471-22532025-04-0125111110.1186/s12871-025-02993-4Gasless vNOTES vs. traditional vNOTES for benign gynecological disease: a randomized controlled clinical trialYanjun Wang0Kai Liu1Zhaolin Gong2Qinghua Huang3Qianqian Zhang4Dan Feng5Jiaojiao Chen6Ang Mao7Xia Yu8Lin Zhang9Yu Cui10Li He11Yonghong Lin12Department of Gynecology, Chengdu Women’s and Children’s Central Hospital, School of Medicine, University of Electronic Science and Technology of ChinaDepartment of Gynecology Anesthesiology, School of Medicine, Chengdu Women’s and Children’s Central Hospital, University of Electronic Science and Technology of ChinaDepartment of Gynecology, Chengdu Women’s and Children’s Central Hospital, School of Medicine, University of Electronic Science and Technology of ChinaDepartment of Gynecology Anesthesiology, School of Medicine, Chengdu Women’s and Children’s Central Hospital, University of Electronic Science and Technology of ChinaDepartment of Gynecology Anesthesiology, School of Medicine, Chengdu Women’s and Children’s Central Hospital, University of Electronic Science and Technology of ChinaDepartment of Gynecology, Chengdu Women’s and Children’s Central Hospital, School of Medicine, University of Electronic Science and Technology of ChinaDepartment of Operating Room, Chengdu Women’s and Children’s Central Hospital, School of Medicine, University of Electronic Science and Technology of ChinaDepartment of Gynecology, Chengdu Women’s and Children’s Central Hospital, School of Medicine, University of Electronic Science and Technology of ChinaDepartment of Clinical Laboratory, Chengdu Women’s and Children’s Central Hospital, School of Medicine, University of Electronic Science and Technology of ChinaDepartment of Gynecology, Chengdu Women’s and Children’s Central Hospital, School of Medicine, University of Electronic Science and Technology of ChinaDepartment of Gynecology Anesthesiology, School of Medicine, Chengdu Women’s and Children’s Central Hospital, University of Electronic Science and Technology of ChinaDepartment of Gynecology, Chengdu Women’s and Children’s Central Hospital, School of Medicine, University of Electronic Science and Technology of ChinaDepartment of Gynecology, Chengdu Women’s and Children’s Central Hospital, School of Medicine, University of Electronic Science and Technology of ChinaAbstract Background Gasless transvaginal natural orifice transluminal endoscopic surgery (G-vNOTES) can avoid complications related to pneumoperitoneum, but there is limited research on G-vNOTES. Here, we aimed to compare the hemodynamic profiles and outcomes of G-vNOTES with traditional vNOTES (T-vNOTES) in the treatment of patients with benign gynecologic disease. Methods A total of 120 patients with benign gynecologic disease were randomly assigned to G-vNOTES (n = 60) or traditional vNOTES (n = 60). The primary outcome was vital sign at different time points. Secondary outcomes included conversion rate, surgical time, anesthesia time, the usage of anesthetics, estimated intraoperative blood loss, visual analogue scale (VAS) score for abdominal and shoulder pain and postoperative nausea and vomiting (PONV) at 2 and 24 h, intraoperative and postoperative complications, time to first anal exhaust, eating, and getting out of bed after surgery, and length of postoperative hospital stay. Multi-level model analysis was used for intraoperative hemodynamic indicators. Results There was no significant difference between the two groups at the baseline level. The results of the multilevel model indicate that there is no difference in intraoperative hemodynamic performance between the G-vNOTE group and the T-vNOTES group. The conversion rate in the G-vNOTES group was higher than that in the T-vNOTES group (16.95% vs. 5.26%, p = 0.046). No significant differences were observed in other areas. Conclusions This study did not find advantages of gasless vNOTES in intraoperative hemodynamic fluctuations. The surgical conversion rate of the G-vNOTES group is higher than that of the T-vNOTES group, which may be related to poor surgical field exposure in the G-vNOTES group, making it more suitable for experienced and confident surgeons.https://doi.org/10.1186/s12871-025-02993-4Transvaginal natural orifice transluminal endoscopic surgery (vNOTES)Gasless vNOTESPneumoperitoneumBenign gynecological disease
spellingShingle Yanjun Wang
Kai Liu
Zhaolin Gong
Qinghua Huang
Qianqian Zhang
Dan Feng
Jiaojiao Chen
Ang Mao
Xia Yu
Lin Zhang
Yu Cui
Li He
Yonghong Lin
Gasless vNOTES vs. traditional vNOTES for benign gynecological disease: a randomized controlled clinical trial
BMC Anesthesiology
Transvaginal natural orifice transluminal endoscopic surgery (vNOTES)
Gasless vNOTES
Pneumoperitoneum
Benign gynecological disease
title Gasless vNOTES vs. traditional vNOTES for benign gynecological disease: a randomized controlled clinical trial
title_full Gasless vNOTES vs. traditional vNOTES for benign gynecological disease: a randomized controlled clinical trial
title_fullStr Gasless vNOTES vs. traditional vNOTES for benign gynecological disease: a randomized controlled clinical trial
title_full_unstemmed Gasless vNOTES vs. traditional vNOTES for benign gynecological disease: a randomized controlled clinical trial
title_short Gasless vNOTES vs. traditional vNOTES for benign gynecological disease: a randomized controlled clinical trial
title_sort gasless vnotes vs traditional vnotes for benign gynecological disease a randomized controlled clinical trial
topic Transvaginal natural orifice transluminal endoscopic surgery (vNOTES)
Gasless vNOTES
Pneumoperitoneum
Benign gynecological disease
url https://doi.org/10.1186/s12871-025-02993-4
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