Abstract
Heart involvement is usually the cause of death in patients with carcinoid syndrome, who may survive a long time even after the disease has entered an advanced stage. For this reason, carcinoid heart disease patients have undergone surgical replacement of affected valves. Two of our patients were not good candidates for surgery, due to the extent of hepatic metastasis. Alternatively, we performed percutaneous balloon valvuloplasty on both the tricuspid and pulmonary valves in both patients. To our knowledge, there has been only 1 previous report of successful tricuspid valvuloplasty in a case of carcinoid heart disease, and this did not involve concomitant pulmonary valvuloplasty. Before the procedure, both of our patients had low cardiac output with restriction in the right ventricle, pulmonary and tricuspid stenosis, and moderate tricuspid regurgitation. In the 1st patient, valvuloplasty reduced tricuspid and pulmonary gradients without change in cardiac output. This patient experienced initial clinical improvement but died 8 months after the procedure, of portal hypertension and extensive hepatic metastasis. The 2nd patient showed notably diminished gradients and a very significant increase in cardiac output. She advanced from New York Heart Association functional class IV to class I, and is now maintained with diuretic therapy. In our judgment, balloon valvuloplasty is a sound alternative to surgery for patients with carcinoid heart disease, especially when stenosis is the dominant symptom. Valvuloplasty is contraindicated in cases of severe tricuspid regurgitation.
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