Open AccessThyroid‐Stimulating Hormone Stimulation Tests in Cardiomyopathic Doberman Pinschers: A Retrospective Study
Author(s) -
Calvert Clay A.,
Jacobs Gilbert J.,
Medleau Linda,
Pickus Cynthia W.,
Brown John,
McDermott Michelle
Publication year - 1998
Publication title -
journal of veterinary internal medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.356
H-Index - 103
eISSN - 1939-1676
pISSN - 0891-6640
DOI - 10.1111/j.1939-1676.1998.tb02133.x
Subject(s) - medicine , euthyroid , cardiomyopathy , heart failure , thyroid , endocrinology , euthyroid sick syndrome , hormone , cardiology , gastroenterology , thyroid hormones
Thyroid‐stimulating hormone (TSH) response tests were performed in 152 Doberman Pinschers. Seventy‐nine dogs had cardiomyopathy (46 were in congestive heart failure [CHF] and 33 were not in CHF). Seventy‐three dogs were presented for noncardiac problems (15 with skin disease, 21 with neurologic disease, 20 with internal medicine disorders, and 17 with other problems), although some may have had cardiomyopathy. The TSH response test results in the cardiomyopathic group were interpreted as normal or euthyroid‐sick in 45 (57%) dogs, abnormal in 23 (29%) dogs, and equivocal in 11 (14%) dogs. The prevalence of hypothyroidism in the CHF and non‐CHF cardiomyopathy groups was not different. Among the dogs presented for noncardiac problems, 27 (37%) were assessed as normal or euthyroid‐sick, 29 (40%) as hypothyroid, and 17 (23%) as equivocal. No significant differences were found in the prevalence of hypothyroid test results among the subgroups of these dogs. The prevalence of hypothyroidism was not higher in the cardiomyopathic group compared to the other group, and 63 and 49% of cardiomyopathic dogs with or without CHF, respectively, tested as either euthyroid or euthyroid‐sick.