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Acute efficacy and safety of intravenous administration of nicorandil in patients with acute heart failure syndromes: usefulness of noninvasive echocardiographic hemodynamic evaluation.

Abstract
This study was conducted to evaluate the acute efficacy and safety of intravenous administration of nicorandil in patients with acute heart failure syndromes (AHFS), under noninvasive hemodynamic assessment with transthoracic Doppler echocardiography. After baseline hemodynamic measurements, initial bolus and 48-hour continuous intravenous nicorandil infusion were begun in 14 hospitalized patients with AHFS. After 2-hour infusion, estimated pulmonary capillary wedge pressure was reduced from 21.4 +/- 6.4 to 17.5 +/- 5.2 mm Hg (P < 0.05) and was sustained for 48 hours to 16.2 +/- 5.5 mm Hg (P < 0.05). A significant increase in estimated cardiac output was observed at 2 hours, from 4.0 +/- 1.0 to 4.8 +/- 1.3 L/min (P < 0.05). This increase was sustained for 48 hours to 5.8 +/- 1.8 L/min (P < 0.05). The high blood pressure (BP) group (baseline systolic BP > or = 140 mm Hg, n = 7) exhibited significant decrease in systolic BP (from 156.7 +/- 14.2 to 135.4 +/- 13.3 mm Hg, P < 0.05). In contrast, there was no change in systolic BP in the low BP group (baseline systolic BP < 140 mm Hg, n = 7) over 48 hours (from 107.6 +/- 20.4 to 107.7 +/- 17.4 mm Hg, P = not significant). The results of this study demonstrate the acute hemodynamic efficacy and safety of intravenous administration of nicorandil and also suggest the usefulness of noninvasive echocardiographic hemodynamic evaluation in the urgent phase of AHFS.
AuthorsYuichiro Minami, Michitaka Nagashima, Katsuya Kajimoto, Tsuyoshi Shiga, Nobuhisa Hagiwara
JournalJournal of cardiovascular pharmacology (J Cardiovasc Pharmacol) Vol. 54 Issue 4 Pg. 335-40 (Oct 2009) ISSN: 1533-4023 [Electronic] United States
PMID19687747 (Publication Type: Clinical Trial, Journal Article)
Chemical References
  • Vasodilator Agents
  • Nicorandil
Topics
  • Acute Disease
  • Aged
  • Aged, 80 and over
  • Echocardiography, Doppler
  • Female
  • Heart Failure (drug therapy, physiopathology, ultrasonography)
  • Hemodynamics (drug effects)
  • Humans
  • Infusions, Intravenous
  • Injections, Intravenous
  • Male
  • Middle Aged
  • Nicorandil (administration & dosage, adverse effects, therapeutic use)
  • Syndrome
  • Treatment Outcome
  • Vasodilator Agents (administration & dosage, adverse effects, therapeutic use)

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