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Summary
Bone marrow transplantation (BMT) is one of the promising methods of treatment of hematologic malignancy. However, it has a variety of complications since it involves fatal doses of anti-cancer drugs and radiation during the conditioning period. Among the various complications of BMT, pulmonary hypertension is rare and its pathogenesis is poorly understood.
A 35-year-old female with acute myeloid leukemia (AML) presented with pulmonary hypertension after BMT. Although she exhibited severe dyspnea on admission, her general condition markedly improved after oxygen therapy and treatment with warfarin and beraprost sodium. Her pulmonary hypertension was diagnosed as pulmonary arterial hypertension (PAH) related to BMT. Although PAH has only rarely been reported as a complication of BMT, we present here for the first time an adult patient with PAH associated with BMT who exhibited marked improvement with medical treatment. This case indicates that attention needs to be paid to the clinical symptoms and physical findings of PAH as a complication of BMT.
