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. 2022 Jan 31;4(3):123-127.
doi: 10.1016/j.jhsg.2021.12.011. eCollection 2022 May.

Risk Factors for Infection After Distal Radius Fracture Fixation: Analysis of Impact on Cost of Care

Ryan S Constantine  1 , Elliot L H Le  1 , Michael B Gehring  1 , Lucas Ohmes  1 , Matthew L Iorio  1
Affiliations

Risk Factors for Infection After Distal Radius Fracture Fixation: Analysis of Impact on Cost of Care

Ryan S Constantine et al. J Hand Surg Glob Online. .

Abstract

Purpose: Infection after distal radius fracture fixation can be a devastating complication, leading to potential hardware removal, prolonged antibiotic courses, multiple office visits, and increased costs. This study aimed to identify potential risk factors for infectious complications after distal radius fracture fixation and assess the impacts on cost.

Methods: This study used the PearlDiver national database, encompassing 53 million unique patients from January 1, 2010, to March 31, 2020. The cohort included patients undergoing distal radius fracture fixation. The endpoint was postoperative infection within 180 days of fixation. Two-sample t test was used to compare rates of infection between open and percutaneous fracture fixation techniques. A propensity-matched cohort was created using patient age, gender, and open fracture. Logistic regression analyses defined independent risk factors for developing a postoperative infection among all patients and within the matched cohorts. A Mann-Whitney U test was used to compare costs of care with and without infection.

Results: The database included 87,169 patients who underwent distal radius fracture fixation. Postoperative infections were identified in 781 patients (0.9%). There was a significant difference in rates of postoperative infection with percutaneous fixation (1.3%) versus open fixation (0.8%). Logistic regression analysis identified male gender, open fracture, lung disease, chronic kidney disease, diabetes, hypertension, liver disease, obesity, and tobacco to be independent risk factors for developing a postoperative infection. Logistic regression analysis of the propensity-matched cohorts identified tobacco use as a significant risk factor. The average cost of care for patients undergoing fracture fixation without an infection was $6,383, versus $23,355 for those with an infection, which was significantly different.

Conclusions: Multiple risk factors for postoperative infection were identified. Cost is significantly increased after postoperative infection, by almost 4-fold. Attempts to correct or optimize modifiable risk factors may lead to substantial cost savings, and potentially decreased rates of infection.

Type of study/level of evidence: Prognostic III.

Keywords: Cost; Distal radius; Infection; Outcomes; Risk factors.

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