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Acute effects of ibopamine hydrochloride on hemodynamics, plasma catecholamine levels, renin activity, aldosterone, metabolism and blood gas in patients with severe congestive heart failure Takeshi Nakano 1 , Yoshinori Morimoto 2 , Yutaka Kakuta 2 , Takashi Kodera 3 , Masayasu Kanamaru 3 , Naoki Isaka 1 , Tokuji Konishi 1 , Hideo Tekezawa 1 11st Department of Internal Medicine, Faculty of Medicine, Mie University 2Cardiac Department of Internal Medicine, Yamada Red Cross Hospital 3Department of Internal Medicine, Chusei General Hospital pp.553-559
Published Date 1987/5/15
DOI https://doi.org/10.11477/mf.1404205063

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  • Abstract
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Acute hemodynamic and metabolic effects of oral 200mg ibopamine hydrochloride, which is a new diisobutyric ester of N-methyl dopamine, were evaluated in 11 patients with congestive heart failure (NYHA IV°).

Effects occurred within 30 min and persisted sig-nificantly for 6hrs after administration. Peak effects was observed at 2hrs after administration. At the peak effects, CI increased from 2.53l/min/m2 to 3. 07l/min/m2 (+20%, <0.01), SVI 35ml/beat/m2 to 41mi/beat/m2 (+18%, <0.05), SWI 35gm・m/deat/m2 to 44gm・m/beat/m2 (+26%, <0.05), epinephrine 0.05 ng/ml to 0.15ng/ml (+200%, <0.05), urine volume 50ml/hr to 81ml/hr (+61%, <0.05) and PCWP dec-reased from 23mmHg to 18mmHg (-24%, <0.001), PAm 33mmHg to 27mmHg (-19%, <0.001), RA 10 mmHg to 7mmHg (-27%, <0.001), SVR 1735dyn・ sec・cm-5 to 1546dyn・sec・cmp-5 (-11%, <0.1), PVR 204 dyn・sec・cm-5 to 168dyn・seccm-5(-25 %, <0.05), A-VO2 6.09ml/dl to 5.36ml/dl (-12%, <0.05), norepinephrine 0.45ng/ml to 0.34ng/ml (-24%, <0.1), renin activity 1.80ng/ml/hr to 1.26ng/ ml/hr (-30%, <0.05), respectively, whereas there was no significant change in the other blood gas data, heart rate, blood pressure, double product, al-dosterone, urine, K+ and lactate/pyruvate.

Therefore, ibopamine seems to have not only a positive inotropic action but also a potent vasodi-lating action, leading to both afterload and preload reduction, and so to be useful for the treatment of severe congestive heart failure.


Copyright © 1987, Igaku-Shoin Ltd. All rights reserved.

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