RESUMO:A Hipertensão Arterial Pulmonar (HAP) ou Hipertensão Pulmonar (HP) é uma doença progressiva, ainda pouco descrita na medicina veterinária, caracterizada por aumento da resistência vascular pulmonar e conseqüente aumento da pressão arterial pulmonar, resultando principalmente em disfunção ventricular direita e morte por insuficiência cardíaca na ausência de tratamento. Na medicina veterinária a HP geralmente é identificada durante a avaliação de animais com doença pulmonar crônica ou insuficiência cardíaca direita. Portanto, o risco de pacientes veterinários apresentarem HP é refletido pela probabilidade de apresentarem doenças pulmonares ou valvares crônicas. O diagnóstico é realizado por ecocardiografia Doppler ou cateterismo cardíaco e o tratamento visa a eliminação da causa primária e estabilização cardiovascular, melhora na oxigenação e redução da pressão na artéria pulmonar. Palavras-chave: cães; disfunção ventricular; hipertensão arterial pulmonar PULMONARY HYPERTENSION IN DOGS: REVIEW ARTICLEABSTRACT: Pulmonary Arterial Hypertension (PAH) or Pulmonary Hypertension (PH) is a progressive disease, poorly described in Veterinary Medicine, which is characterized by increased pulmonary vascular resistance and consequently increased pulmonary arterial pressure. This situation ends with progressive right ventricular dysfunction and death from heart failure if untreated. In Veterinary Medicine, PH normally is identified during the evaluation of animals with chronic pulmonary disease or right cardiac failure. Hence, the risk of veterinary patients show PH is reflected by the probability that they have to suffer from pulmonary or chronic cardiac valve diseases. The diagnostic is performed by Doppler echography or cardiac catheterism and treatment is based on primary cause elimination and cardiovascular stabilization, as well as oxygen improvement and pulmonary arterial pressure reduction.
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