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Distal plate placement for distal radius fractures limits wrist motion

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European Journal of Orthopaedic Surgery & Traumatology Aims and scope Submit manuscript

Abstract

Purpose

To investigate the influence of distal plate placement for distal radius fractures on risk of flexor tendon complications and wrist motion by performing hardware removal.

Materials and methods

Fourteen patients treated with a Synthes 2.4 mm juxta-articular LCP Distal Radius Plate underwent hardware removal at ≥6 months postoperatively when improvement of range of motion and grip strength were obtained. Location of plate placement, condition of the flexor tendons, range of motion, grip strength, and postoperative complications were evaluated.

Results

The average minimum distance between the plate and joint line was 2.0 mm (range, 0.4–4.5 mm), and average distance at the base of the styloid process was 7.5 mm (range, 4.2–9.6 mm). All plates were located distal to the watershed line. Pathological conditions of flexor tendons were observed in 3 patients—adhesion of flexor pollicis longus in 1 and flexor tendon synovitis in 2—however, there were no cases of abrasion or rupture. The average active wrist flexion improved from 53.6° to 61.1°, extension from 67.5° to 70.7°, and the flexion–extension arc of motion improved from 121.1° to 131.8°. The flexion and flexion–extension arc were significantly improved (P = 0.0003 and P = 0.007, respectively). The average grip strength increased from 18.5 to 19.4 kg (not significant). Temporary median nerve disturbance was observed in 1 patient as a postoperative complication.

Conclusions

Removal of juxta-articular LCP Distal Radius Plate improved wrist motion. Plates located distal to the watershed line may increase the risk of flexor tendon complications and limit wrist motion.

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Acknowledgments

The authors report no benefits, grants, or assistance from any party.

Conflict of interest

No funds were received in support of this study.

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Correspondence to Shingo Komura.

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Komura, S., Tanahashi, H., Yamada, Y. et al. Distal plate placement for distal radius fractures limits wrist motion. Eur J Orthop Surg Traumatol 22, 29–34 (2012). https://doi.org/10.1007/s00590-011-0809-7

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  • DOI: https://doi.org/10.1007/s00590-011-0809-7

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