Beyond Warming Blankets: Rethinking Temperature Control in Feline Surgery

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Hypothermia during anesthesia represents one of veterinary medicine's most common yet preventable complications. While warming methods abound, which ones actually work? Dr. Rachel Kreisler and veterinary students Mahtab Khanezarrian and John Boules join us to challenge conventional wisdom and share evidence-based solutions.

Their groundbreaking research reveals something surprising: those cotton toddler socks commonly used in clinics provide absolutely no benefit for maintaining feline body temperature during procedures. Instead, their carefully designed "kitten mittens" made from down blanket material demonstrated remarkable effectiveness, keeping cats up to 1.2°F warmer with passive insulation alone. When low-voltage heating elements were added, temperature preservation improved even further.

The science behind this breakthrough centers on redistribution hypothermia - the averaging of warmer core blood with cooler peripheral blood during the critical first 45 minutes after induction. By focusing protection efforts on the extremities rather than just the trunk, veterinarians can make a meaningful difference in patient outcomes. The research team shares practical insights about preparation timing, environmental temperature management, and pre-warming considerations that can be implemented immediately in practice.

Looking ahead, Dr. Kreisler discusses promising new materials that may offer superior insulation while addressing the practical challenges of sanitation and reusability in clinical settings. Whether you're working in a standard veterinary practice or a specialized setting like MRI where warming options are limited, this episode delivers immediately applicable knowledge to enhance patient care. Listen now to transform your approach to feline temperature management during anesthesia, and discover why evidence-based medicine matters for even the most routine procedures.

JAVMA article: https://doi.org/10.2460/javma.25.02.0095

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