• Adrian Cavalcanti Kussmaul, Titus Kuehlein, Martin F Langer, Ali Ayache, Steffen Löw, and Frank Unglaub.
• Dtsch Arztebl Int. 2024 Sep 6 (Forthcoming).

BackgroundCarpal fractures (incidence: 30-60 per 100 000 persons per year) are one of the more commonly overlooked fracture types. They can have serious consequences, as the use of the hand is indispensable in everyday life. In the following article, we present the elements of the diagnosis and treatment of fractures of the carpal bones.MethodsThis review is based on meta-analyses and randomized controlled trials (RCTs) published from 2013 to 2023 that were retrieved by a structured literature search, supplemented by guideline recommendations and expert consensus statements. In addition, data on the administrative prevalence of carpal fractures were obtained from the German Association of Statutory Health Insurance Physicians (Kassenärztliche Vereinigung, KV) and from the German Statutory Accident Insurance (Deutsche Gesetzliche Unfallversicherung, DGUV).ResultsThe administrative prevalence of carpal fractures in 2022 was 44 496 outpatient cases (KV, DGUV) in one year. After clinical history-taking, physical examination and x-ray have been performed, thin-slice computed tomography is recommended as part of the diagnostic evaluation. Treatment recommendations are based on evidence of levels II to IV. Multiple RCTs have been carried out on the treatment of scaphoid fractures, and a clinical guideline exists. Proximal, dislocated and unstable scaphoid fractures should be treated surgically. Non-displaced or minimally displaced fractures of the middle third of the scaphoid bone require a shorter period of immobilization with surgical treatment (2-4 weeks) than with conservative treatment (6-8 weeks). The use of plaster casts that do not hinder elbow and thumb mobility yields healing rates similar to those obtained with the immobilization of both of these joints. Failure to treat an unrecognized scaphoid fracture can lead to pseudarthrosis, avascular bony necrosis, and misalignment. Other, rarer types of carpal fractures must be managed on an individual basis, as the available evidence is limited to expert consensus.ConclusionEarly recognition and appropriate treatment of carpal fractures lead to healing in more than 90% of cases. Although the available evidence on their proper treatment is growing, many questions are subject to expert consensus, and decisions about treatment must be made individually.

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