Is valvular heart disease related to primary pulmonary hypertension?

Primary pulmonary hypertension is a disease of the heart and lungs caused by narrowing of blood vessels in the lungs. It has been reported to occur in about 1 in 25,000 people using appetite suppressants for more than 3 months. This disorder results in death in about 40% of affected individuals within 4 years. Primary pulmonary hypertension may also occur in association with valvular heart disease. ...

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