Comparison of two passive warming devices for prevention of perioperative hypothermia in dogs

Joanna J Potter, J. Murrell, P. Macfarlane

Research output: Contribution to journalArticle (Academic Journal)peer-review

7 Citations (Scopus)


OBJECTIVE: To compare effects of two passive warming methods combined with a resistive heating mat on perioperative hypothermia in dogs. MATERIALS AND METHODS: Fifty-two dogs were enrolled and randomly allocated to receive a reflective blanket (Blizzard Blanket) or a fabric blanket (VetBed). In addition, in the operating room all dogs were placed onto a table with a resistive heating mat covered with a fabric blanket. Rectal temperature measurements were taken at defined points. Statistical analysis was performed comparing all Blizzard Blanket-treated to all VetBed-treated dogs, and VetBed versus Blizzard Blanket dogs within spay and castrate groups, spay versus castrate groups and within groups less than 10 kg or more than 10 kg bodyweight. RESULTS: Data from 39 dogs were used for analysis. All dogs showed a reduction in perioperative rectal temperature. There were no detected statistical differences between treatments or between the different groups. CLINICAL SIGNIFICANCE: This study supports previous data on prevalence of hypothermia during surgery. The combination of active and passive warming methods used in this study prevented the development of severe hypothermia, but there were no differences between treatment groups.

Original languageEnglish
Pages (from-to)560-565
Number of pages6
JournalJournal of Small Animal Practice
Issue number9
Publication statusPublished - 1 Sept 2015


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