Acquired tricuspid valve stenosis (TVS) is a rare complication of endocardial pacing lead implantation in humans that has only been described once previously in the veterinary literature in a dog with excessive lead redundancy. A 12 yr old terrier presented with right-sided congestive heart failure 6 mo after implantation of a second ventricular endocardial pacing lead. The second lead was placed due to malfunction of the first lead, which demonstrated abnormally low impedance. Transthoracic echocardiography identified hyperechoic tissue associated with the pacing leads as they crossed the tricuspid valve annulus as well as a stenotic tricuspid inflow pattern via spectral Doppler interrogation. Medical management was ultimately unsuccessful and the dog was euthanized 6 wk after TVS was diagnosed. The authors report the first canine case of acquired TVS associated with two ventricular endocardial pacing leads.
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May/June 2015
Case Reports|
May 01 2015
Acquired Tricuspid Valve Stenosis Associated with Two Ventricular Endocardial Pacing Leads in a Dog
Emily Tompkins, DVM;
Emily Tompkins, DVM
*E Tompkins' present affiliation is Tufts University Cummings School of Veterinary Medicine, Grafton, MA.
From the Mid-Atlantic Equine Medical Center, Department of Ambulatory Medicine, Ringoes, NJ (E.T.); College of Veterinary Medicine, Western University of Health Sciences, Pomona, CA (M.D., S.G.); and Department of Cardiology, Advanced Veterinary Care Center, CA (R.N.).
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Michelle I. Dulake, DVM;
Michelle I. Dulake, DVM
†M Dulake and S Ghaffari's present affiliation is VCA West Los Angeles Animal Hospital, Los Angeles, CA.
From the Mid-Atlantic Equine Medical Center, Department of Ambulatory Medicine, Ringoes, NJ (E.T.); College of Veterinary Medicine, Western University of Health Sciences, Pomona, CA (M.D., S.G.); and Department of Cardiology, Advanced Veterinary Care Center, CA (R.N.).
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Shadie Ghaffari, DVM;
Shadie Ghaffari, DVM
†M Dulake and S Ghaffari's present affiliation is VCA West Los Angeles Animal Hospital, Los Angeles, CA.
From the Mid-Atlantic Equine Medical Center, Department of Ambulatory Medicine, Ringoes, NJ (E.T.); College of Veterinary Medicine, Western University of Health Sciences, Pomona, CA (M.D., S.G.); and Department of Cardiology, Advanced Veterinary Care Center, CA (R.N.).
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Reid K. Nakamura, DVM, DACVECC, DACVIM (Cardiology)
Reid K. Nakamura, DVM, DACVECC, DACVIM (Cardiology)
§R Nakamura's present affiliation is Veterinary Specialty and Emergency Center, Thousand Oaks, CA.
From the Mid-Atlantic Equine Medical Center, Department of Ambulatory Medicine, Ringoes, NJ (E.T.); College of Veterinary Medicine, Western University of Health Sciences, Pomona, CA (M.D., S.G.); and Department of Cardiology, Advanced Veterinary Care Center, CA (R.N.).
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J Am Anim Hosp Assoc (2015) 51 (3): 167–170.
Citation
Emily Tompkins, Michelle I. Dulake, Shadie Ghaffari, Reid K. Nakamura; Acquired Tricuspid Valve Stenosis Associated with Two Ventricular Endocardial Pacing Leads in a Dog. J Am Anim Hosp Assoc 1 May 2015; 51 (3): 167–170. doi: https://doi.org/10.5326/JAAHA-MS-6142
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