Utsumi, . Koji
Kawamura, . Takashi
Imamoto, . Naoto
Kamiya, . Hidekazu
Nagano, . Tomoaki
Tanaka, . Naoki
Nihei, . Yukio
Naya, . Hiroyoshi
Suzuki, . Tomohiko
The number of antihypertensive drug classes cannot accurately reflect the total consumption of antihypertensive drugs used to control blood pressure. The defined daily dose has been adopted to permit consumption analysis of many prescribed drugs. The aim of the present study was to assess postoperative changes in antihypertensive drug consumption in patients with primary aldosteronism using the defined daily dose as the unit of measurement. This retrospective study included 110 Japanese patients who underwent unilateral laparoscopic adrenalectomy between 1995 and 2012. Antihypertensive drug doses were calculated according to the standard of the defined daily dose recommended by the World Health Organization to compare drug use. After assessing postoperative changes in antihypertensive drug consumption, univariate and multivariate analyses were performed to identify clinical predictors for a 75% or greater decrease in the defined daily dose. Consumption of antihypertensive drugs decreased postoperatively in 95.4% of patients. The median decrease in the defined daily dose was 76.8%. A postoperative decrease of 75% or greater in the defined daily dose was confirmed in 52.7% of patients. Multivariate analysis identified no medical history of cardiovascular disease, low body mass index, and short duration of hypertension as independent predictors of a postoperative decrease of 75% or greater in the defined daily dose. The defined daily dose is a useful tool for assessing total changes in the consumption of antihypertensive drugs in patients with primary aldosteronism. Using the defined daily dose, clinicians could explain in detail to patients with primary aldosteronism the predicted postoperative change in antihypertensive drug consumption.
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Published on 26/05/17Submitted on 26/05/17
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