ObjectiveTo study the effect of locking plate via palmar median minimally invasive approach on wrist function and active range of motion in patients with distal radius fractures. MethodsFifty-eight patients with distal radius fractures were selected as observation subjects and divided into conventional and minimally invasive approach groups according to the randomized double-blind method, with 29 cases in each group. The patients in the minimally invasive approach group were treated with locking plate internal fixation via palmar median minimally invasive approach, while those in the conventional approach group were treated with locking plate internal fixation via a conventional approach. The operation indexes, active range of motion, function of the wrist, and anatomical parameters of the distal radius were compared between the two groups. ResultsThe minimally invasive approach group had a shorter incision length, larger range of metacarpal flexion, dorsiflexion, pronation, supination, ulnar deviation, and radial deviation of the wrist joint, and a better wrist function as compared to the conventional approach group (all P＜0.05). There were no significant differences in operation time, intraoperative bleeding volume, as well as postoperative anatomical parameters of the distal radius in radial height, and the ankle of ulnar deviation and palmar between the two groups (all P＞0.05). ConclusionPatients with distal radius fractures undergoing palmar median locking plate internal fixation treatment via minimally invasive approach have faster recovery of the wrist joint function, a better wrist joint active range of motion, and shorter recovery time.

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