Bone and Joint Institute

Title

Mortality rate of geriatric acetabular fractures is high compared with hip fractures. A matched cohort study

Document Type

Article

Publication Date

8-1-2020

Journal

Journal of Orthopaedic Trauma

Volume

34

Issue

8

First Page

424

Last Page

428

URL with Digital Object Identifier

10.1097/BOT.0000000000001758

Abstract

© 2020 Lippincott Williams and Wilkins. All rights reserved. Objectives:Compare acute complication and mortality rates of geriatric patients with acetabular fractures (AFs) matched to hip fractures (HFs).Design:Retrospective cohort study.Setting:American College of Surgeons National Surgical Quality Improvement Project.Patients:Using Current Procedural Terminology codes, the American College of Surgeons National Surgical Quality Improvement Project registry was used to identify all patients ≥60 years from 2011 to 2016 treated for AFs undergoing open reduction internal fixation (ORIF) and HFs (undergoing ORIF, hemiarthroplasty, or cephalomedullary nail).Outcome Measurements:Patient characteristics, comorbidities, functional status, acute complications, and mortality rates were recorded. Patients were matched 1:5 (AF:HF). Chi-square, Fisher exact, and Mann-Whitney U tests were used to compare groups, and multivariable logistic regression was used to compare the risk of complications or death while adjusting for relevant covariates.Results:A total of 303 AF patients (age: 78.2 ± 9.2 years/59.7% females/27.1% wall, 28.4% one column and 45.2% 2 columns ORIF) were matched to 1511 HF patients (age: 78.3 ± 9.1 years/60.2% females/37.2% hemiarthroplasty, 16.3% ORIF and 47.4% cephalomedullary nail). Length of stay (8.4 ± 7.1 vs. 6.4 ± 5.9 days) and time to surgery [(TS) 2.3 ± 1.8 versus 1.2 ± 1.4 days] were longer in the AF group (P < 0.01). Unadjusted mortality rates were nonsignificantly higher for AFs versus HFs (6.6% vs. 4.6%, P = 0.14). After covariable adjustment, the risk of mortality was significantly higher for AFs versus HFs (odds ratio: 1.89, 95% confidence interval: 1.07-3.35).Conclusion:Geriatric AFs pose a significantly higher adjusted mortality risk when compared with HF patients. Strategies to mitigate risk factors in this population are warranted.Level of Evidence:Prognostic Level III. See Instructions for Authors for a complete description of levels of evidence.

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