Summary
In an 18-year-old male with Eisenmenger syndrome cyanosis and erythrocytosis were increasing. The erythrocytosis diminished following oral bunazosin and phlebotomy was not needed during the treatment. When bunazosin was stopped, the erythrocytosis increased, but when it was resumed, the erythrocytosis and general fatigue diminished.
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Watanabe, K., Mori, C., Haneda, N. et al. Chronic α1 blockade in a patient with Eisenmenger syndromeblockade in a patient with Eisenmenger syndrome. Pediatr Cardiol 12, 52–53 (1991). https://doi.org/10.1007/BF02238502
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DOI: https://doi.org/10.1007/BF02238502