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Arch Hand Microsurg > Volume 24(1); 2019 > Article
Archives of Hand and Microsurgery 2019;24(1):32-39.
Published online March 1, 2019.
Clinical Outcomes of Conservative Treatment for Distal Radius Fractures with or without Ulnar Styloid Fractures
Jun-Ku Lee1, Inkeun Park1, Eugene Baek2, Soo-Hong Han2
1Department of Orthopedic Surgery, Inje University Seoul Paik Hospital, Seoul, Korea.
2Department of Orthopaedic Surgery, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Korea.
Received: 3 October 2018   • Revised: 1 January 2019   • Accepted: 3 January 2019
Authors attempt to analyze the characteristics of combined ulnar styloid fracture (USF) and its influence on more than a year clinical outcome in patients who underwent conservative treatment for stable distal radius fracture (DRF).

The retrospective study is a case-control study between January 2011 and December 2016. Through the exclusion process, 175 patients were included (non-USF: 106 patients with 45.4 months mean follow-up, USF: 69 patients with 48.1 months mean follow-up). All patients were treated conservatively under acceptable distal radius alignment. The USF was divided into fracture locations. The visual analogue scale (VAS), Mayo wrist score, and Quick Disabilities of the Arm, Shoulder and Hand (DASH) outcome were assessed at the final follow-up at least more than 1 year.

Between two groups depending on USF, there was none of radiologic outcome difference including union time, rdial height, radial tilting, and volar tilting. The mean VAS score at the final follow-up was 1.1 in both groups. The Mayo wrist score and DASH score for functional performance were 92.3 and 7.5, respectively, in patients with DRF alone, and 90.0 and 9.2, respectively, in those with combined USF, without statistical difference. The functional outcomes also did not present significant differences, depending on USF location and whether or not union.

USF does not have a serious effect on the clinical course of more than a year of conservative treatment of DRFs, and could be managed with conservative treatment regardless of fracture type and union.
Key Words: Distal radius fracture, Ulnar styloid fracture, Conservative treatment, Functional outcome

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