Abstract
Pericardial effusion, diagnosed clinically or by echocardiography, was found in 13 of 16 regularly dialyzed patients (81%) receiving minoxidil for refractory hypertension. In a comparable group of 125 patients not receiving minoxidil, 28 patients (23%) had evidence of pericardial effusion, the difference between the groups being highly significant (p < 0.0005). In minoxidil treated patients, the effusions resolved spontaneously in 4 (3 remaining on treatment), required pericardiocentesis (3), or pericardiectomy (1), and persisted in 4 (3 remaining on treatment). It is suggested that minoxidil treated dialysis Patients be regularly examined for the development of Potentially threatening pericardial effusions.
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