Objectives To determine (1) the incidence of surgical site infection (SSI) in patients undergoing soft tissue surgery at a veterinary teaching hospital and to study (2) and describe the main risk factors associated with SSI and (3) assess the economic impact of SSI.
Design Prospective cohort study.
Setting Veterinary teaching hospital.
Participants 184 dogs undergoing soft tissue surgery during a 12-month period (October 2013 to September 2014).
Primary outcome measure Surgical site infection.
Results Out of the 184 patients analysed, SSI was diagnosed in 16 (8.7 per cent) patients, 13 (81.3 per cent) were classified as superficial incisional infection, 2 (12.5 per cent) as deep incisional infection and 1 (6.3 per cent) as organ/space infection. The administration of steroidal anti-inflammatory drugs (P=0.028), preoperative hyperglycaemia (P=0.015), surgical times longer than 60 minutes (P=0.013), urinary catheterisation (P=0.037) and wrong use of the Elizabethan collar (P=0.025) were identified as risk factors. Total costs increased 74.4 per cent, with an increase in postsurgical costs of 142.2 per cent.
Conclusions The incidence of SSI was higher than the incidence reported in other published studies, although they were within expected ranges when a surveillance system was implemented. This incidence correlated with an increase in costs. Additionally new important risk factors for its development were detected.
- Soft tissue surgery
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Contributors JE-R designed data collection tools, monitored data collection for the whole trial, wrote the statistical analysis plan, cleaned and analysed the data, and drafted and revised the paper and he gave final approval of the version to be published MDM-R analysed the data, cleaned and analysed the data, and drafted and revised the paper and she gave final approval of the version to be published VS designed data collection tools, analysed the data and drafted and revised the paper and she gave final approval of the version to be published MRB designed data collection tools, monitored data collection for the whole trial, and revised the draft paper and she gave final approval of the version to be published GO-D wrote the statistical analysis plan, monitored data collection for the whole trial, and revised the draft paper and he gave final approval of the version to be published. He is guarantor.
Provenance and peer review Not commissioned; externally peer reviewed.
Data availability statement All data relevant to the study are included in the article.
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