The impact of urinary catheterization on urinary tract infection and renal function in elderly patients undergoing hip fracture surgery: A prospective randomized controlled trial
Abstract
INTRODUCTION
Urinary tract infection(UTI) is a common complication following hip fracture surgery in elderly patients. Urinary catheterization is frequently used to improve patient comfort during prolonged preoperative immobilization; however, its impact on UTI risk and renal function remains controversial. This prospective randomized study aimed to evaluate the effect of urinary catheter use on postoperative UTI incidence and renal outcomes in geriatric patients undergoing hip fracture surgery.
MATERIALS AND METHODS
This prospective randomized controlled trial included 150 patients aged > 65 years who underwent surgical treatment for proximal femur fractures between December 2022 and May 2025. Patients with UTI at admission, prior indwelling catheter use, high-energy trauma, multiple fractures, or a history of pelvic radiation were excluded. Patients were randomized into two groups: catheterized(n = 75) and non-catheterized(n = 75). Urinary tract infection was defined according to European Association of Urology (EAU) guideline criteria. Renal function was assessed using serum urea and creatinine levels measured preoperatively and on postoperative day 1. Demographic data, comorbidities, fluid intake, and perioperative variables were recorded and compared between groups.
RESULTS
The mean patient age was 79.8±7.2 years, and 61.3% were female. Postoperative UTI occurred in 20 patients (15.2%) overall. UTI was detected in 12 patients (18.5%) in the catheterized group and in 8…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 150 participants or records.
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