The effect of a pressure wrap (ThunderShirt®) on heart rate and behavior in canines diagnosed with anxiety disorder

Short Synopsis: 90 dogs with diagnosed anxiety disorders were split into 3 groups: proper Thundershirt wrap, loose wrap, and no wrap. Thundershirts, when properly applied, helped lower heart rate and reduce visible calming signals in a group of dogs diagnosed with anxiety disorders, but didn’t show an improvement in overall behavioral outcomes.

Authors:Camille King, Laurie Buffington, Thomas J.Smith, TempleGrandin

Publication: Journal of Veterinary Behavior, Volume 9, Issue 5, Pages 215-221

Publication Date:September–October 2014,

Applies To: fearful dogs, separation anxiety, Thundershirts

Sample Size: 90 dogs

Limitations/Drawbacks: Some of the dogs in the study were also on anxiety medication


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