Anatomical variations of recurrent laryngeal nerve: a systematic review and meta-analyses

被引：2
作者：
Siqueira, Gabriel Valentim dos Santos Menezes [1 ]
Rodrigues, Marcos Henrique dos Santos [1 ]
Santos, Caio Nemuel Nascimento [1 ]
Goncalves, Paulo Eduardo [1 ]
Garcao, Diogo Costa [1 ]
机构：
[1] Univ Fed Sergipe, Dept Morphol, Marechal Rondon Jardim Ave, BR-49100000 Sao Cristovao, Sergipe, Brazil
来源：
SURGICAL AND RADIOLOGIC ANATOMY | 2024年 / 46卷 / 03期
关键词：
Vagus nerve; Anatomic variation; Laryngeal nerves; Recurrent laryngeal nerve; Meta-analysis; MOTOR FIBERS; IDENTIFICATION; BIFURCATION; COMMON;
D O I：
10.1007/s00276-023-03293-7
中图分类号：
R602 [外科病理学、解剖学]; R32 [人体形态学];
学科分类号：
100101 ;
摘要：
Purpose The aim of this systematic review and meta-analysis was to systematically review and perform a meta-analysis on the anatomical variations of the RLN. Methods We performed online research for studies that addressed anatomical variations of the RLN and laterality, published between 2015 and 2021. We found 230 articles, and nine were included. Results Eight variations were found, with Type I prevailing (41.17%; 95% CI 19.44-64.88), extra laryngeal divergence of the RLN. The other types were: II-fan shape; III-distance greater than 5 mm to the cricothyroid joint; IV-thickening and adipopexy in the elderly; V-non-recurrent laryngeal nerve; VI-intracranial branch; VII-tortuous ascending RLN; and VIII-combination between the inferior branch of the NV and the ascending trunk of the RLN. Types I (p = 0) and III (p < 0.01) prevailed on the left and types II (p < 0.01) and V (p < 0.01) on the right. Conclusions It was observed that variations occurred due to the path of the RLN to the entrance to the larynx, its shape, and the age of the evaluated individual. The most frequent variation and side were, respectively, Type I, extra laryngeal divergence and left.
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页码：353 / 362
页数：10
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