• Eric Quan Pang, Steven Zhang, Harris Alex H S AHS Center for Innovation to Implementation, VA Palo Alto Health Care System, Menlo Park, CA., and Robin N Kamal.
• Department of Orthopaedic Surgery, Stanford University, Stanford, CA.
• J Hand Surg Am. 2017 Nov 1; 42 (11): 875-882.

PurposeWe present a retrospective administrative claims database review examining the effect of recent literature supporting surgical clavicle fixation in a primarily young male population, on the treatment of midshaft clavicle fractures in patients older than 65 years. We tested the null hypothesis that there is no change in trends in surgical fixation of midshaft clavicle fractures in patients older than 65 years. Secondary analysis examined overall trends and trends based on sex.MethodsData from 2007 to 2012 were extracted using the Medicare Standard Analytic File and Humana administrative claim databases contained within the PearlDiver Patient Records Database. Patients with clavicle shaft fractures and their treatments were identified by International Classification of Disease, Ninth Revision, and Current Procedural Terminology codes. The primary response variable was the proportion of surgical to nonsurgical cases per year, and explanatory variables included age and sex. Data were analyzed using a trend in proportions test with significance set at P less than .05.ResultsA total of 32,929 patients with clavicle shaft fractures were identified. During the study period, the proportion of clavicle shaft fractures treated surgically in patients older than 65 years (2.4%-4.6%) and younger than 65 years (11.2%-16.4%) showed a significant increasing trend. When analyzed by both sex and age, there was also an increasing trend in the proportion of surgically treated males in the older than 65 years (3.3%-6.2%) and the younger than 65 years groups (10.9%-19.5%). Lastly, there was an increase in the proportion of surgically treated females older than 65 years (1.7%-3.4%) and younger than 65 years (12.1%-14.3%).ConclusionsOur analysis demonstrates an overall increase in the proportion of surgically treated clavicle shaft fractures, including in the male and female population older than 65 years. In the setting of an aging population, future research evaluating possible benefits of surgical intervention in this population is needed prior to adopting this practice pattern.Type Of Study/Level Of EvidenceII.Copyright © 2017 American Society for Surgery of the Hand. Published by Elsevier Inc. All rights reserved.

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