Surgical Anatomy and Intrapelvic Course of Obturator Nerve

IF 3.5 2区 医学 Q1 OBSTETRICS & GYNECOLOGY Journal of minimally invasive gynecology Pub Date : 2025-01-01 DOI:10.1016/j.jmig.2024.09.006
Merve Didem Eşkin Tanrıverdi MD , Ayhan Cömert MD , Zekiye Gözde Kara MD , Nevriye Tezer MD , Mustafa Erkan Sarı MD , Halil İbrahim Açar MD
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Abstract

Study Objective

The aim of this study is to reveal the anatomy of the obturator nerve (ON) and its important relationship in pelvic surgery with the surrounding anatomical structures.

Design

Prospective observational study.

Interventions

Parameters from the left and right ON's to relevant anatomical landmarks were measured and statistical analysis was performed.

Setting

The current study was planned in Department of Anatomy Ankara University School of Medicine and then conducted at the Forensic Medicine Institute, Ankara Group Presidency after receiving the approval of the Institute for Forensic Medicine.

Participants

The study was performed in 40 fresh or fresh-frozen and female cadavers bilaterally.

Measurements and Main Results

The mean distances of the midpoint of the left ON to the highest point of the fundus of uterus and isthmus of the uterus, cervico-uterine junction, and highest point of the promontory were 55.1 ± 10.4, 52.9 ± 12.4, 54.8 ± 11.3, and 58.5 ± 15.2 mm, respectively, and 58.7 ± 8.1, 52.5 ± 13.1, 61.4 ± 17.8, and 62.2 ± 19.7 mm on the right side, respectively (p > .05 for all values). The mean distance between the nerve root of the left ON and highest point of the promontory was 59.1 ± 28.4 mm, it was 59.7 ± 26.2 mm on the right side (p > .05). There were significant positive correlations between the distance between the left and right anterior superior iliac spines and the distances between the midpoint of the ON to the isthmus of the uterus on both the left and right sides of the pelvis (r = 0.546, p = .019, r = 0.896, p < .001, respectively).

Conclusions

Intraoperative ON injury in gynecological procedures is a complication that may be minimized with good anatomical knowledge. Careful dissection should be performed to decrease the ON injury. The safe surgical zone was established for pelvic procedures by creating a topographical map of the ON. This research may improve pelvic surgery precision, aiding the development of better treatments and reducing ON-related complications.
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闭孔神经的手术解剖和骨盆内走向。
研究目的:本研究旨在揭示闭孔神经(ON)的解剖结构及其在骨盆手术中与周围解剖结构的重要关系。设计:前瞻性观察研究。干预:测量左侧和右侧闭孔神经到相关解剖标志的参数并进行统计分析。设置本研究计划在安卡拉大学医学院解剖学系进行,然后在获得法医学院批准后在安卡拉集团总统府法医学院进行。测量和主要结果左侧肛门中点到子宫底和子宫峡部最高点、子宫颈交界处和子宫前突最高点的平均距离分别为 55.1±10.4、52.1±10.4、52.1±10.4、52.1±10.4、52.1±10.4、52.1±10.4、52.1±10.4、52.1±10.4、52.1±10.4、52.1±10.4。1±10.4、52.9±12.4、54.8±11.3、58.5±15.2 mm,右侧分别为58.7±8.1、52.5±13.1、61.4±17.8、62.2±19.7 mm(所有值P>0.05)。左侧ON的神经根与突出部最高点之间的平均距离为59.1±28.4 mm,右侧为59.7±26.2 mm(P>0.05)。左侧和右侧髂前上棘之间的距离与骨盆左侧和右侧ON中点到子宫峡部之间的距离呈明显正相关(分别为r=0.546,p=0.019,r=0.896,p<0.001)。应进行仔细解剖以减少ON损伤。通过绘制 ON 的地形图,为盆腔手术建立了安全手术区。这项研究可提高盆腔手术的精确度,有助于开发更好的治疗方法,减少ON相关并发症。
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来源期刊
CiteScore
5.00
自引率
7.30%
发文量
272
审稿时长
37 days
期刊介绍: The Journal of Minimally Invasive Gynecology, formerly titled The Journal of the American Association of Gynecologic Laparoscopists, is an international clinical forum for the exchange and dissemination of ideas, findings and techniques relevant to gynecologic endoscopy and other minimally invasive procedures. The Journal, which presents research, clinical opinions and case reports from the brightest minds in gynecologic surgery, is an authoritative source informing practicing physicians of the latest, cutting-edge developments occurring in this emerging field.
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