Journal
JOURNAL OF ORTHOPAEDIC SURGERY AND RESEARCH
Volume 16, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s13018-021-02418-1
Keywords
Surgical site infection; Preventive infection protocol; Wound complications; Antibiotic prophylaxis; Spine surgery
Categories
Funding
- Scientific Board of the Liberec hospital [VR 180303]
- Ministry of Health, Czech Republic conceptual development of research organization [(00023884) IG 168601]
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This study aimed to analyze SSI and its risk factors in patients after thoracic or lumbar spine surgery, finding that only wound complications and warm seasons were significantly associated with SSI development according to multivariate regression analysis. Contrary to the prevailing literature, corticosteroids, diabetes mellitus, or transfusions were not identified as risk factors for SSI development.
Background Surgical site infection (SSI) is a risk in every operation. Infections negatively impact patient morbidity and mortality and increase financial demands. The aim of this study was to analyse SSI and its risk factors in patients after thoracic or lumbar spine surgery. Methods A six-year single-centre prospective observational cohort study monitored the incidence of SSI in 274 patients who received planned thoracic or lumbar spinal surgery for degenerative disease, trauma, or tumour. They were monitored for up to 30 days postoperatively and again after 1 year. All patients received short antibiotic prophylaxis and stayed in the eight-bed neurointensive care unit (NICU) during the immediate postoperative period. Risk factors for SSI were sought using multivariate logistic regression analysis. Results We recorded 22 incidences of SSI (8.03%; superficial 5.84%, deep 1.82%, and organ 0.36%). Comparing patients with and without SSI, there were no differences in age (p=0.374), gender (p=0.545), body mass index (p=0.878), spine diagnosis (p=0.745), number of vertebrae (p=0.786), spine localization (p=0.808), implant use (p=0.428), American Society of Anesthesiologists (ASA) Score (p=0.752), urine catheterization (p=0.423), drainage (p=0.498), corticosteroid use (p=0.409), transfusion (p=0.262), ulcer prophylaxis (p=0.409) and diabetes mellitus (p=0.811). The SSI group had longer NICU stays (p=0.043) and more non-infectious hospital wound complications (p<0.001). SSI risk factors according to our multivariate logistic regression analysis were hospital wound complications (OR 20.40, 95% CI 7.32-56.85, p<0.001) and warm season (OR 2.92, 95% CI 1.03-8.27, p=0.044). Conclusions Contrary to the prevailing literature, our study did not identify corticosteroids, diabetes mellitus, or transfusions as risk factors for the development of SSI. Only wound complications and warm seasons were significantly associated with SSI development according to our multivariate regression analysis.
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