Presented in part at the 56th Annual Conference of the German Veterinary Society (DVG-DGK), Düsseldorf, Germany, October 2010; 38th Annual Conference Veterinary Orthopedic Society, Snowmass, CO, March 2011; and 20th Annual Meeting of the European College of Veterinary Surgeons, Ghent, Belgium, July 2011.
Original Article - Clinical
Intraoperative Contamination of the Suction Tip in Clean Orthopedic Surgeries in Dogs and Cats
Article first published online: 28 SEP 2011
© Copyright 2011 by The American College of Veterinary Surgeons
Volume 41, Issue 2, pages 254–260, February 2012
How to Cite
Medl, N., Guerrero, T. G., Hölzle, L., Hässig, M., Lochbrunner, S. and Montavon, P. M. (2012), Intraoperative Contamination of the Suction Tip in Clean Orthopedic Surgeries in Dogs and Cats. Veterinary Surgery, 41: 254–260. doi: 10.1111/j.1532-950X.2011.00883.x
- Issue published online: 16 FEB 2012
- Article first published online: 28 SEP 2011
- Manuscript Accepted: JUL 2011
- Manuscript Received: DEC 2010
To (1) determine suction tip (intermittent and continuous mode) contamination rate in orthopedic surgery in dogs and cats; (2) examine the effect of surgical time on contamination; and (3) report bacteria isolated.
Clean orthopedic surgeries (n = 50).
Surgical procedures were assigned to 1 of 2 groups: (1) continuous (n = 25) or (2) intermittent suction (n = 25). A control suction was operated in each surgery. Samples for aerobic and anaerobic bacteriologic examination were collected from the surgical suction at 0, 20, 60 minutes, and at the end of surgery, and from the control suction at the end of the surgery only. Comparison of continuous and intermittent suction data, and the effect of surgical time on contamination rate were analyzed using a Kaplan-Meier survival analysis followed by a Cox proportional hazards model. P < .05 was considered significant.
Aerobic contamination occurred in 22 of 50 surgical procedures and there was no anaerobic growth. There was no significant difference between continuous and intermittent suction mode groups (P = .40). Surgical time did not influence the contamination rate (P = .79). Bacterial cultures mainly revealed coagulase-negative Staphylococci, however multiresistant bacteria were isolated.
We failed to find superiority of the intermittent operation mode of the suction tip over the continuous mode. A safe time frame before contamination of the suction tip occurs that could not be defined.