Mohana-Borges Aurea V R, Silva Livia Tavane S D, Mohana-Borges Ronaldo S, Statum Sheronda, Jerban Saeed, Wu Yuanshan, Barrère Victor, Souza Sergio A L, Chung Christine B
Radiology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
Radiology, University of California, San Diego, USA.
Skeletal Radiol. 2025 Mar;54(3):493-507. doi: 10.1007/s00256-024-04740-1. Epub 2024 Jul 31.
To detail the neurovascular crossing patterns between the leash of Henry (LoH) and the deep branch of the radial nerve (DBRN) in supination and pronation of the forearm, using imaging methods with anatomic correlation.
This cross-sectional study was performed ex vivo with HRUS and MRI with anatomic correlation on 6 samples and in vivo with HRUS with Doppler on 55 participants scanned bilaterally. The in vivo participants were enrolled over a 6-month period. The crossing patterns between the LoH and DBRN were assessed ex vivo and in vivo. Additional morphological features of the DBRN, LoH, and fat plane were assessed in vivo only. Biometric features of the participants were recorded. Statistical analyses were performed using Shapiro-Wilk, parametric and non-parametric tests.
The most common neurovascular crossing pattern was the ascending branch of the radial recurrent artery (RRAab) crossing below (ex vivo: 83.3%, in vivo: 85.3%) and the muscular branch crossing above (ex vivo: 100%, in vivo: 63.2% %) the DBRN. Both the deep and superficial surfaces of the DBRN exhibited an intimate relationship with the vessels of the LoH. A positive correlation between vessel diameter and anthropometric factors was observed. In addition, the muscular branch exhibited a significantly smaller diameter than the RRAab.
Our study detailed the relationship between the LoH and the DBRN and highlighted the high incidence of vessel crossing above the DBRN at the level of the muscular branch. Knowledge of neurovascular crossings is crucial for understanding neurovascular entrapment syndromes and planning interventional procedures to reduce vascular complications.
采用影像学方法并结合解剖学对照，详细描述前臂旋前和旋后时亨利袢（LoH）与桡神经深支（DBRN）之间的神经血管交叉模式。
本横断面研究对6个样本进行了离体高分辨率超声（HRUS）和磁共振成像（MRI）检查，并结合解剖学对照，对55名参与者进行了双侧活体HRUS检查及多普勒检查。活体参与者在6个月内入组。对离体和活体状态下LoH与DBRN之间的交叉模式进行评估。仅在活体状态下评估DBRN、LoH和脂肪平面的其他形态学特征。记录参与者的生物特征。采用夏皮罗-威尔克检验、参数检验和非参数检验进行统计分析。
最常见的神经血管交叉模式是桡侧返动脉升支（RRAab）在DBRN下方交叉（离体：83.3%，活体：85.3%），肌支在DBRN上方交叉（离体：100%，活体：63.2%）。DBRN的深面和浅面均与LoH的血管关系密切。观察到血管直径与人体测量因素之间存在正相关。此外，肌支的直径明显小于RRAab。
我们的研究详细描述了LoH与DBRN之间的关系，并突出了在肌支水平DBRN上方血管交叉的高发生率。了解神经血管交叉对于理解神经血管卡压综合征和规划减少血管并发症的介入手术至关重要。
