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Have you ever wondered exactly how much lavage solution is needed to effectively decontaminate a surgical wound? This question, so common in veterinary operating rooms, finally has an evidence-based answer.

Dr. Vanna Dickerson and veterinary student Cody Westmoreland from Texas A&M University join us to discuss their groundbreaking research on subcutaneous tissue lavage. Their study, published in the American Journal of Veterinary Research, reveals that using just 2.5 milliliters of sterile saline per centimeter of incision length can significantly reduce bacterial counts below infection-causing thresholds. This finding challenges previous assumptions and provides surgeons with a practical reference point for clinical decision-making.

The conversation explores the persistent challenge of surgical site infections, which affect 7-10% of patients following GI surgery despite our best preventive efforts. Dr. Dickerson shares her surprise at discovering that relatively modest lavage volumes produced significant bacterial reduction in their silicone model, though she suggests using approximately 10 mL per centimeter in clinical practice to account for the complexities of living tissue. Westmoreland, who brought his experience in surgical infection prevention to this veterinary student research project, discusses plans for future clinical validation studies and potential applications of artificial intelligence in wound management.

Beyond the science, we delve into the researchers' backgrounds, including Westmoreland's journey from operating room technician to veterinary student and Dr. Dickerson's collection of office dinosaurs that "make it impossible to have a bad day." Their work exemplifies how relatively simple interventions can significantly impact patient outcomes and client financial burden in veterinary practice.

Listen now to discover how this easy, inexpensive technique might improve your surgical outcomes, and don't forget to leave us a rating and review on your favorite podcast platform!

Open access article: https://doi.org/10.2460/ajvr.25.01.0030

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