Predictors for nonunion of unrepaired ulnar styloid fracture associated with distal radius fractures in patients treated with volar locking plate fixation and their effect on functional outcomesFacteurs prédictifs de la pseudarthrose d'une fracture de la styloïde ulnaire non fixée associée aux fractures du radius distal chez des patients traités par plaque palmaire verrouillée et leurs effets sur les résultats fonctionnels
- Other Titles
- Facteurs prédictifs de la pseudarthrose d'une fracture de la styloïde ulnaire non fixée associée aux fractures du radius distal chez des patients traités par plaque palmaire verrouillée et leurs effets sur les résultats fonctionnels
- Authors
- Lee, Jung Il; Park, Jong Woong; Park, Ki Chul; Kim, Dong Hong; Lee, Duk Hee
- Issue Date
- Sep-2022
- Publisher
- Elsevier Masson s.r.l.
- Keywords
- Distal radius fracture; Ulnar styloid; Ulnar styloid fracture; Ulnar styloid nonunion; Volar locking plate
- Citation
- Revue de Chirurgie Orthopedique et Traumatologique, v.108, no.5, pp.597
- Indexed
- SCOPUS
- Journal Title
- Revue de Chirurgie Orthopedique et Traumatologique
- Volume
- 108
- Number
- 5
- Start Page
- 597
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/171446
- DOI
- 10.1016/j.rcot.2022.05.006
- ISSN
- 1877-0517
- Abstract
- Introduction
Nonunion of ulnar styloid fractures after radius stabilisation by volar locking plate (VLP) fixation without surgical fixation on ulnar styloid fractures is quite common. However, the factors affecting the nonunion of ulnar styloid fractures and their effect on functional outcomes in patients with distal radius fractures (DRFs) treated with VLP fixation are unclear.
Hypothesis
The purpose of this study was to investigate the predictors affecting nonunion of unrepaired ulnar styloid fractures in patients with DRFs and the effect of nonunion and its predictors on functional outcomes.
Materials and methods
We retrospectively reviewed data from 84 patients with DRF who underwent VLP fixation. None of the accompanying ulnar styloid fractures were manipulated during the surgery. Postoperative evaluation included the measurement of the grip strength, wrist range of motion, and disabilities of the arm, shoulder, and hand score at a minimum of one year postoperatively. Patients were divided into the nonunion and union groups according to the presence of union of ulnar styloid fracture. Demographic and radiologic parameters, including age, sex, bone mineral density, location and displacement distance of ulnar styloid fracture and fracture pattern of DRFs, were analysed to identify predictors of nonunion. Functional outcomes were compared between the two groups and were compared according to the presence of predictors of nonunion.
Results
Univariate analysis revealed that the nonunion rate was higher in ulnar styloid non-base fractures, substantial displacement (≥1.9 mm) of ulnar styloid fracture, and AO/OTA C-type DRF. However, multivariate logistic regression analysis showed that non-base fractures and substantial displacement were significant predictors. Accompanying ulnar styloid fracture nonunion and its predictors were found not to influence functional outcomes.
Discussion
Substantial displacement and non-base fracture are predictive factors for nonunion of unrepaired ulnar styloid fractures after DRF treatment with VLP fixation. However, nonunion and its predictors do not influence the overall wrist function. These findings suggest that the ulnar styloid fracture accompanying DRF should not be considered a fracture affecting the wrist function when treating with VLP fixation.
- Files in This Item
-
Go to Link
- Appears in
Collections - 서울 의과대학 > 서울 정형외과학교실 > 1. Journal Articles
![qrcode](https://api.qrserver.com/v1/create-qr-code/?size=55x55&data=https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/171446)
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.