Scapholunate Kinematics After Combined Palmar and Dorsal Ligament Reconstruction: A Quantitative Evaluation Using Four-Dimensional Computed Tomography

IF 2.1 2区 医学 Q2 ORTHOPEDICS Journal of Hand Surgery-American Volume Pub Date : 2025-03-01 DOI:10.1016/j.jhsa.2024.11.014
Merel J.-L. Berkhout MD, MA , Johannes G.G. Dobbe PhD , Paul W.M. Wilmer MD , Geert J. Streekstra PhD, MEng , Marco J.P.F. Ritt MD, PhD
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引用次数: 0

Abstract

Purpose

This observational pilot study investigated (1) carpal positioning in the neutral wrist pose, (2) the scapholunate (SL) rotation axis, (3) physiological SL motion, and (4) the SL distance after combined palmar and dorsal SL ligament reconstruction using quantitative four-dimensional computed tomography (4D-CT) imaging.

Methods

Six subjects were included, and 4D-CT images of both wrists were obtained. Kinematic parameters of the treated side were compared to those of the healthy contralateral side, which was used as the normal reference.

Results

Average follow-up was 18.3 months (range, 8–35). After surgery, an average residual rotational deviation of the scaphoid (10.0° flexion, 8.1° radial deviation, 7.1° pronation) and lunate (17.5° extension) at neutral position of the wrist was observed compared with the contralateral side. Scapholunate motion followed that of the healthy wrists, whereas SL motion of one untreated affected wrist deviated from normal. Scapholunate distance was on average 1.3 mm larger than in the healthy wrists during flexion-extension and radioulnar deviation.

Conclusions

Combined palmar and dorsal SL ligament reconstruction seems to restore wrist kinematics, although the neutral position of the scaphoid and lunate are not restored to normal.

Type of study/level of evidence

Therapeutic V.
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来源期刊
CiteScore
3.20
自引率
10.50%
发文量
402
审稿时长
12 weeks
期刊介绍: The Journal of Hand Surgery publishes original, peer-reviewed articles related to the pathophysiology, diagnosis, and treatment of diseases and conditions of the upper extremity; these include both clinical and basic science studies, along with case reports. Special features include Review Articles (including Current Concepts and The Hand Surgery Landscape), Reviews of Books and Media, and Letters to the Editor.
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