High Charlson Comorbidity Index is associated with infection and mortality following surgical treatment of elderly proximal femoral fractures
Abstract Background Proximal femoral fractures (PFF) in the increasingly elderly population have been associated with higher rates of fracture-related infection (FRI) and periprosthetic joint infection (PJI), which are likely to result in permanent functional loss and mortality. This retrospective s...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2025-07-01
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| Series: | BMC Musculoskeletal Disorders |
| Subjects: | |
| Online Access: | https://doi.org/10.1186/s12891-025-08849-9 |
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| Summary: | Abstract Background Proximal femoral fractures (PFF) in the increasingly elderly population have been associated with higher rates of fracture-related infection (FRI) and periprosthetic joint infection (PJI), which are likely to result in permanent functional loss and mortality. This retrospective study seeks to identify independent predisposing factors associated with infection and mortality following surgical intervention in these fractures in the elderly. Methods A single-center retrospective cohort study was conducted from January 2019 to December 2023 involving elderly patients who underwent surgical treatment for PFF using either arthroplasty or osteosynthesis. FRI and PJI were defined according to international consensus criteria. Univariate and multivariate analyses using Bayesian Cox Proportional Hazards (CPH) modelling were applied to identify predictors of infection and mortality. Results A total of 179 patients aged 60 years or older were followed for at least one year postoperatively. The sample was gender-balanced (50.3% women), with 67.6% aged 80 years or older. ASA classification ≥ 3 was observed in 72.6%, and Charlson Comorbidity Index (CCI) ≥ 5 in 56.4%. Infection occurred in 11.7%, and mortality in 29.5%. Female sex and CCI ≥ 5 were independently associated with increased infection risk. ASA ≥ 3, CCI ≥ 5, and need for transfusion were predictors of mortality. Conclusion Our study highlights that female sex and high Charlson Comorbidity Index were predictors of infection following surgical treatment of proximal femur fractures in elderly patients. Patients with multiple comorbidities (elevated ASA and/or CCI scores) and/or those who developed postoperative infection were at higher risk of mortality. |
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| ISSN: | 1471-2474 |