Introduction/Objectives: Information on the use of hydrochlorothiazide (HCTZ) in dogs with relapsing congestive heart failure (CHF) due to myxomatous mitral valve disease (MMVD) is limited. Therefore, the aim of this study was to provide data on HCTZ's short- and long-term effects in canine MMVD. Animals, materials, and methods: Signalment, clinical, diagnostic, therapeutic, and outcome data of dogs with relapsing CHF due to MMVD treated with HCTZ were retrospectively reviewed. The initial time point was the day HCTZ was introduced for a CHF relapse. Optimized criteria were used to determine the appropriate timings for evaluating HCTZ's short-term effects on laboratory and echocardiographic variables and its long-term impact on CHF management. Results: Thirty-eight dogs were included. The initial median dose of HCTZ was 0.8 mg/kg/die. At a median of seven days after HCTZ prescription, creatinine, urea, and total calcium levels significantly increased, while sodium and potassium levels ...

Short- and long-term effects of hydrochlorothiazide in dogs with relapsing congestive heart failure due to myxomatous mitral valve disease: a retrospective analysis of 38 cases

Valente C.;Poser H.;Guglielmini C.
2025

Abstract

Introduction/Objectives: Information on the use of hydrochlorothiazide (HCTZ) in dogs with relapsing congestive heart failure (CHF) due to myxomatous mitral valve disease (MMVD) is limited. Therefore, the aim of this study was to provide data on HCTZ's short- and long-term effects in canine MMVD. Animals, materials, and methods: Signalment, clinical, diagnostic, therapeutic, and outcome data of dogs with relapsing CHF due to MMVD treated with HCTZ were retrospectively reviewed. The initial time point was the day HCTZ was introduced for a CHF relapse. Optimized criteria were used to determine the appropriate timings for evaluating HCTZ's short-term effects on laboratory and echocardiographic variables and its long-term impact on CHF management. Results: Thirty-eight dogs were included. The initial median dose of HCTZ was 0.8 mg/kg/die. At a median of seven days after HCTZ prescription, creatinine, urea, and total calcium levels significantly increased, while sodium and potassium levels ...
2025
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11577/3555829
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