Treatment of Femoral Neck Fractures in Patients 45 to 64 Years of Age

Publication date: Available online 16 November 2018

Source: Injury

Author(s): Joey P. Johnson, Justin Kleiner, Avi D. Goodman, Joseph A. Gil, Alan H. Daniels, Roman A. Hayda

Abstract

Introduction

Young patients with femoral neck fractures are optimally treated with reduction and stable fixation, while patients over the age of sixty-five are often treated with arthroplasty. This study analyzes in-hospital outcomes associated with total hip arthroplasty, hip hemiarthroplasty and internal fixation for treatment of femoral neck fractures in patients aged 45-64.

Methods

Records of patients between the ages of 45-64, from 2002 to 2014, sustaining femoral neck fractures and treated with internal fixation, hip hemiarthroplasty or total hip arthroplasty were obtained from the Nationwide Inpatient Sample (NIS). Examined variables were age, sex and Charlson Comorbidity Index (CCI). Outcome measures included hospital length of stay (LOS), complications, and inpatient hospitalization charge.

Results

From 2002-2014 74,678 femoral neck fractures were available for analysis. THA use increased from 5.3% of operatively managed fractures in 2002 to 22.3% of operatively managed fractures in 2014 (p < 0.0001). Patients undergoing THA had higher hospital cost, higher in hospital complication rates and longer length of stay than patients undergoing internal fixation (p < 0.0001). The in-hospital mortality for patients undergoing a hip hemiarthroplasty was higher (1.2%) than either total hip arthroplasty (0.2%) or internal fixation (0.5%) (P = 0.007).

Conclusion

This study demonstrates that the use of total hip arthroplasty in treatment of femoral neck fractures in patients from the age of 45-64 increased 4.2-fold over the study period. This treatment is associated with increased hospital cost, length of stay and complications. Additionally, as age increased in our study population, there was a stepwise increase in the use of arthroplasty, and it appears that hemiarthroplasty is being used with a different patient population.

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