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Compend Contin Educ Vet. 2009 Jun;31(6):E8.

Renal secondary hyperparathyroidism in dogs.

Author information

1
Cornell University Hospital for Animals, NY, USA.

Abstract

The parathyroid glands secrete parathyroid hormone (PTH), which is important for maintaining calcium homeostasis. Parathyroid gland hyperplasia and subsequent hyperparathyroidism can occur secondary to chronic renal failure in dogs, resulting in significant alterations in calcium metabolism. Renal secondary hyperparathyroidism is a complex, multifactorial syndrome that involves changes in circulating levels of calcium, PTH, phosphorus, and 1,25-dihydroxycholecalciferol (calcitriol). An increased PTH level can have deleterious effects, including soft tissue mineralization, fibrous osteodystrophy, bone marrow suppression, urolithiasis, and neuropathy. Dietary phosphorus restriction, intestinal phosphate binders, and calcitriol supplementation may slow the progression of renal disease and decrease PTH concentrations in animals with secondary hyperparathyroidism; however, the prognosis for these animals is guarded to poor.

PMID:
19746344
[Indexed for MEDLINE]

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