Griffith University, School of Medicine and Dentistry, Gold Coast, Queensland, Australia.
Department of Orthopedic Surgery, Hospital for Special Surgery, New York City, NY, USA.
J Hand Surg Eur Vol. 2023 Dec;48(11):1201-1206. doi: 10.1177/17531934231186495. Epub 2023 Jul 27.
The aim of the present cadaveric study was to assess resistance to first metacarpal subsidence of three techniques of suspensionplasty after trapeziectomy. In total, 18 forearms (mean age 60 years [range 20-89]) were used with six specimens per surgical technique: palmar oblique ligament reconstruction with tendon interposition (LRTI), abductor pollicis longus (APL) suspensionplasty, or suture suspensionplasty. There was no significant difference in mean trapezial space height after trapeziectomy and suspensionplasty compared to the preoperative trapezial height. However, after simulation of physiological lateral pinch, there was a significant (0.05) difference in mean trapezial space height between the APL suspensionplasty and the suture suspensionplasty compared to the LRTI group. After axial loading, there was significantly greater metacarpal subsidence in the LRTI group compared to the APL and suture suspensionplasty groups but no statistically significant difference between the suture suspensionplasty and the APL suspensionplasty groups. V.
本尸体研究旨在评估三种掌侧斜韧带重建肌腱间置术（LRTI）、拇长展肌（APL）悬吊术和缝线悬吊术后第一掌骨下沉的阻力。总共使用了 18 个前臂（平均年龄 60 岁[范围 20-89]），每种手术技术有 6 个标本：掌侧斜韧带重建肌腱间置术（LRTI）、拇长展肌（APL）悬吊术或缝线悬吊术。与术前掌骨高度相比，腕骨切除术后和悬吊术后掌骨间空间高度的平均值没有显著差异。然而，在模拟生理侧捏后，与 LRTI 组相比，APL 悬吊术和缝线悬吊术的掌骨间空间高度平均值有显著差异（0.05）。轴向加载后，LRTI 组的掌骨下沉明显大于 APL 和缝线悬吊术组，但缝线悬吊术和 APL 悬吊术组之间无统计学差异。
