[Vasodilator therapy in chronic thromboembolic cor pulmonare. Description of a case with unfavorable hemodynamic effects].

Vasodilator agents have been used to decrease pulmonary arterial pressure in patients with chronic thromboembolic pulmonary hypertension (CTPH). A case is reported of a patient who had a severe hemodynamic deterioration after 10 mg of sublingual nifedipine. A review of cases of CTPH treated with vasodilators is also discussed.