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Rinsho Shinkeigaku. 2001 Oct;41(10):691-4.

[Carvedilol effectiveness for left ventricular-insufficient patients with Duchenne muscular dystrophy].

[Article in Japanese]

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Department of Neurology, Toneyama National Hospital.


To evaluate the efficacy of carvedilol for left ventricular dysfunction in Duchenne muscular dystrophy (DMD), we enrolled 8 patients with DMD who had elevated plasma atrial natriuretic peptide (ANP) or brain natriuretic peptide (BNP), and a low ejection fraction (EF < 40%) in echocardiography. Written informed consent was obtained from all of them. Four agreed to be treated with oral carvedilol 0.3125-1.25 mg/day (10.1-40.3 micrograms/kg/day) for 6 months (treated group). The others served as the controls (untreated group). In both groups, we evaluated clinical symptoms, plasma ANP, BNP and EF before, 3 and 6 months after the trial, and iodine-123 metaiodobenzylguanidine (123I-MIBG) imaging at 6 month interval. Parameters in the treated and untreated groups before respectively were ANP, 83.8 +/- 17.5 and 89.5 +/- 44.4 pg/ml (mean +/- SEM); BNP, 169.0 +/- 46.2 and 186.3 +/- 61.8 pg/ml; EF, 24.0 +/- 2.2 and 16.5 +/- 1.9%; Heart/Mediastrinum ratio of the 123I-MIBG delayed image, 1.65 +/- 0.08 and 1.6 +/- 0.10; and Washout rate, 46.5 +/- 8.6 and 41.4 +/- 7.8. These values did not change significantly before and 6 months after for either group. Clinical symptoms also did not change in either group. Carvedilol therapy did not change the left ventricular dysfunction in DMD.

[Indexed for MEDLINE]

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