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The thoracoacromial trunk: a detailed analysis
Surgical and Radiologic Anatomy ( IF 1.2 ) Pub Date : 2022-09-12 , DOI: 10.1007/s00276-022-03016-4
Michał Bonczar 1 , Kamil Gabryszuk 2 , Patryk Ostrowski 1 , Jakub Batko 1 , Daniel Jakub Rams 1 , Agata Krawczyk-Ożóg 1 , Wadim Wojciechowski 3 , Jerzy Walocha 1 , Mateusz Koziej 1
Affiliation  

Purpose

The thoracoacromial trunk (TAT) originates from the second part of the axillary artery and curls around the superomedial border of the pectoralis minor, subsequently piercing the costocoracoid membrane. Knowledge about the location, morphology, and variations of the TAT and its branches is of great surgical importance due to its frequent use in various reconstructive flaps.

Methods

A retrospective study was conducted to establish anatomical variations, their prevalence, and morphometric data on TAT and its branches. The results of 55 consecutive patients who underwent neck and thoracic computed tomography angiography were analyzed. A qualitative evaluation of each TAT was performed.

Results

A total of 15 morphologically different TAT variants were initially established. The median length of the TAT was set at 7.74 mm (LQ 3.50; HQ 13.65). The median maximum diameter of the TAT was established at 4.19 mm (LQ 3.86; HQ 4.90). The median TAT ostial area was set to 13.97 mm (LQ 11.70; HQ 18.86). To create a heat map of the most frequent location of the TAT, measurements of the relating structures were made.

Conclusion

In this study, the morphology and variations of the branching pattern of the TAT were presented, proposing a new classification system based on the four most commonly prevalent types. The prevalence of each branch arising directly from the TAT was also analyzed. It is hoped that the results of the present anatomical analysis can help to minimize potential complications when performing plastic or reconstructive procedures associated with TAT.



中文翻译:

胸肩峰干:详细分析

目的

胸肩峰干 (thoracoacromial trunk, TAT) 起源于腋动脉的第二部分,在胸小肌的上内侧缘周围卷曲,随后穿过肋喙骨膜。由于 TAT 经常用于各种重建皮瓣,因此了解 TAT 及其分支的位置、形态和变化具有重要的外科意义。

方法

进行了一项回顾性研究,以确定 TAT 及其分支的解剖变异、它们的流行程度和形态测量数据。分析了 55 名连续接受颈部和胸部计算机断层扫描血管造影术的患者的结果。对每个 TAT 进行了定性评估。

结果

最初建立了总共 15 种形态不同的 TAT 变体。TAT 的中值长度设置为 7.74 mm(LQ 3.50;HQ 13.65)。TAT 的中位最大直径确定为 4.19 毫米(LQ 3.86;HQ 4.90)。TAT 开口面积中位数设置为 13.97 mm(LQ 11.70;HQ 18.86)。为了创建 TAT 最常见位置的热图,对相关结构进行了测量。

结论

在这项研究中,介绍了 TAT 分支模式的形态和变化,提出了一种基于四种最常见类型的新分类系统。还分析了直接由 TAT 产生的每个分支的流行程度。希望本解剖学分析的结果可以帮助最大程度地减少执行与 TAT 相关的整形或重建手术时的潜在并发症。

更新日期:2022-09-12
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