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09.12.2017 | Original Paper | Ausgabe 4/2018

International Orthopaedics 4/2018

Peri-operative antibiotic treatment of bacteriuria reduces early deep surgical site infections in geriatric patients with proximal femur fracture

Zeitschrift:
International Orthopaedics > Ausgabe 4/2018
Autoren:
Ronny Langenhan, Stefanie Bushuven, Niklas Reimers, Axel Probst
Wichtige Hinweise
Investigation performed at the Department of Orthopaedic Surgery, Hegau-Bodensee-Klinikum Singen, Germany

Abstract

Purpose

The aim of this study was to conduct a re-evaluation of current strategies for peri-operative prophylaxis of infections in orthopaedic surgery of geriatric patients (≥65 years) with proximal femoral fractures (PFF).

Methods

Between 01/2010 and 08/2014 all post-operative infections after stabilization of PFF of 1,089 geriatric patients were recorded retrospectively. All patients pre-operatively received a single dose of 1.5 g cefuroxime (group 1). These were compared to prospectively determined post-operative rates of surgical site infection (SSI) of 441 geriatric patients, which were operated on between 09/2014 and 03/2017 due to PFF. In this second group we investigated the urinary tract on admission. Bacteriuria was treated with the pre-operative single dose of 1.5 g cefuroxime along with ciprofloxacin for five days, beginning on admission. Level of significance was set to p < 0.05.

Results

A total of 141 patients of group 2 had a bacteriuria. Seventy-seven of these patients revealed biochemical signs of manifest urinary tract infection. Multi-resistant pathogens were found in 15 patients and pathogens were cefuroxime-resistant in 37. The differences of SSI after at least three months were 2.1% in group 1 and 0.45% in group 2 for all patients with surgery of PFF (p < 0.02) and for those with arthroplasty (p < 0.037) significant.

Conclusions

The immediate antibiotic therapy of a prevalent bacteriuria for five days decreases the risk of SSI after surgery of PFF. Our single-centre study can only point out the problem of prevalent reservoirs of pathogens and the need for treatment. Evidence-based therapy concepts (indications of antibiotics, classes, duration) have to be developed in multi-centric and prospective studies.

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