Outcome of corrective osteotomies of the distal radius using three-dimensional-printed patient-specific implants.

IF 1.6
Frederike Raad, Kennard Harmsen, J P Beeres, Niels Wl Schep
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Abstract

Corrective osteotomy for a malunited distal radial fracture (DRF) can be challenging. Three-dimensional printing techniques can be used to produce patient specific implants (PSIs). Theoretically, this technique improves accuracy of reconstruction and therefore patient-related outcomes. The aim of this retrospective cohort study was to compare pre- and postoperative patient-rated functional and radiological outcomes following corrective osteotomy of 47 malunited DRFs with PSIs. The primary outcome was the difference in Patient-Rated Wrist Hand Evaluation score (PRWHE). The median PRWHE improved from 68 (IQR: 60 to 77) to 17 (IQR: 7 to 30) after a median follow-up of 15 months in 32 patients. The mean preoperative dorsal tilt of -15° (SD: -8), improved to 7° (SD: 7) palmar tilt postoperatively in 46 patients. Preoperatively, 28 patients exhibited radiocarpal malalignment, which decreased to five postoperatively. Corrective osteotomy of a malunited DRF with a PSI can lead to improved PRWHE, range of motion and radiological outcomes.Level of evidence: IV.

使用三维打印患者特异性植入物进行桡骨远端矫正截骨的效果。
桡骨远端畸形骨折(DRF)的矫正性截骨术具有挑战性。三维打印技术可用于生产患者特异性植入物(psi)。理论上,这项技术提高了重建的准确性,从而提高了与患者相关的结果。本回顾性队列研究的目的是比较47例伴有PSIs的畸形drf矫形截骨术后患者评价的术前和术后功能和影像学结果。主要结果是患者评定腕手评估评分(PRWHE)的差异。32例患者中位随访15个月后,中位PRWHE从68 (IQR: 60 ~ 77)提高到17 (IQR: 7 ~ 30)。46例患者术前平均背倾角为-15°(SD: -8),术后改善为7°(SD: 7)。术前有28例患者出现桡腕关节错位,术后减少到5例。畸形DRF伴PSI的矫正截骨术可改善PRWHE、活动范围和放射学结果。证据等级:四级。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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