Key result
The modified loop technique using premanufactured ePTFE loops resulted in the disappearance of cardiac murmurs and marked improvement or complete resolution of mitral regurgitation in three dogs.
Case Report (n=3)
No
A modified loop technique using premanufactured ePTFE loops for mitral valvuloplasty is feasible and effectively reduces mitral regurgitation in a canine model.
Mitral valvuloplasty (MVP) is used in dogs with refractory mitral regurgitation (MR); however, it is difficult to tie the artificial chord, i.e., the expanded polytetrafluoroethylene suture, at the planned height of the mitral valve, because of the slippery nature of the knot. The loop technique has resolved these difficulties in humans. Premanufactured loops (length, 8.0-15.0 mm with 1.0-mm increments) were used in the new modified loop technique. In the current study, cardiac murmurs disappeared, and the MR markedly improved or completely disappeared approximately 3 months after surgery in 3 dogs. Therefore, this new technique might be effective in dogs.
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Aoki et al. (2012) conducted a case report in Mitral Regurgitation (n=3). Modified loop technique (premanufactured ePTFE loops) was evaluated on Disappearance of cardiac murmurs and improvement of mitral regurgitation. The modified loop technique using premanufactured ePTFE loops resulted in the disappearance of cardiac murmurs and marked improvement or complete resolution of mitral regurgitation in three dogs.
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