• J Frank, H Pralle, M Lehnert, and I Marzi.
• Klinik für Unfall-, Hand- und Wiederherstellungschirurgie, Klinikum der Johann Wolfgang Goethe-Universität Frankfurt am Main, Frankfurt am Main, Deutschland. j.frank@trauma.uni-frankfurt.de
• Unfallchirurg. 2010 Oct 1; 113 (10): 796, 797-803.

BackgroundFollowing treatment of distal radius fractures poor functional results can still be found despite satisfactory radiological findings. This may be due to concomitant carpal lesions occurring together with these fractures. The aim of this prospective study was to analyze the clinical outcome depending on the type of fracture and concomitant carpal lesions.Patients And MethodsA total of 66 patients with distal radius fractures treated over a 1-year period could be assessed. The functional results were compared with the uninjured contralateral side. The follow-up examination included patient history, physical and radiographic examination as well as the DASH (Disability of the arm, shoulder and hand) questionnaire and the modified Mayo wrist score.ResultsThe average follow-up time was 12.7 months and the mean age of the examined patients was 53 years. The fracture classification according to AO (AO Working party for osteosynthesis questions) showed 32% type A, 10% type B and 58% type C fractures. In 55% a concomitant carpal lesion was found and 44% of the patients required surgical treatment. All fractures united without complications. In all cases X-rays showed no loss of reduction postoperatively. Overall grip strength and wrist motion was reduced to 81% compared to the uninjured side. Patients regained good function represented in a mean DASH score of 24.8 points and a Mayo score of 70.6 points. The number of complete intraarticular fractures (type C) was significantly higher in patients who needed surgical treatment for carpal lesions compared to the groups where concomitant carpal lesions did not require invasive treatment or those where no carpal lesions were found. However, due to the operative treatment a comparable functional result could be obtained in all groups independent of the injury severity.ConclusionsThe results demonstrate, if a correct restoration and surgical stabilization technique is used, clinical outcome following fractures of the distal radius also depends on an optimized management of concomitant carpal lesions.

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