褐色細胞腫の術前血圧コントロールに投与されたドキサゾシンによる射精障害の1例

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タイトル別名
  • Ejaculatory Disorder Caused by Doxazosin Administration for Blood Pressure Control in Patient with Pheochomocytoma
  • カッショク サイボウ シュ ノ ジュツゼン ケツアツ コントロール ニ トウヨ サレタ ドキサゾシン ニ ヨル シャセイ ショウガイ ノ 1レイ

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A 29-year-old man had been treated for hypertension for 10 years. He suffered from speech disturbance caused by cerebral infarction, and further examinations were performed. Computerized tomography scan and magnetic resonance imaging revealed a left adrenal tumor 6 cm in size. The radioisotope (MIBG) accumulated in the left adrenal gland. The serum noradrenalin levels were high. Thus, the diagnosis of pheochomocytoma in left adrenal tumor was made. He noticed ejaculation disturbance 5 days after starting administration of doxazosin at the dose of 3 mg/day for pre-operative blood pressure control. Sperm was observed in the urine sampling obtained after masturbation, thus his ejaculation disturbance was considered to be retrograde ejaculation. Laparoscopic left adrenalectomy was performed. After the operation, his blood pressure normalized and the administration of doxazosin has not been necessary. He could perform ejaculation without any trouble after stopping doxazosin intake. The bladder neck conditions measured by ultrasonography were the same before and after the administration of doxazosin. The present case is a very rare case of ejaculation disturbance caused by non-selective alpha 1 blocker doxazosin.

収録刊行物

  • 泌尿器科紀要

    泌尿器科紀要 55 (6), 377-380, 2009-06

    泌尿器科紀要刊行会

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