Effect of Nifedipine, Dilazep, Dinitrates and Propranolol on Blood Lactate Accumulation during Intensive Graded Exercise Testing in Healthy Young Subjects

Hiroaki Tanaka, Munehiro Shindo, Shuzo Kumagai, Toyokazu Yoshida, Takashi Mutaguchi, Yoshihiro Moriyama, Tadayuki Hiroki, Kikuo Arakawa

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The aim of the present study was to elucidate the effects of 4 different cardiovascular drugs on blood lactate levels during an intensive graded exercise test in 17 healthy male subjects. In acute studies, iso-sorbide dinitrate and nifedipine were used. In chronic studies, propranolol dihydrochloride and dilazep dihydrochloride were used. Oxygen uptake (Vo2), heart rate, blood pressure and blood lactate were measured at rest and during the final minute of each exercise session. Hemodynamic measurements during submaximum exercise were influenced by all drugs except isosorbide dinitrate. Vo2 during submaximum and maximum exercises remained unchanged by all drug treatments. Blood lactate levels at rest and during submaximum and maximum exercise also did not change significantly. Work load corresponding to blood lactate concentration of 4 mM (W4 mM) and the 1st and 2nd break points of lactic acid (WBPLA1 and WBPLA2) were almost the same in all treatments. It is concluded that the 3 criteria of blood lactate obtained during the graded exercise test are not affected by these drugs in healthy males.

Original languageEnglish
Pages (from-to)617-630
Number of pages14
Journaljapanese heart journal
Volume29
Issue number5
DOIs
Publication statusPublished - Jan 1 1988

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Dilazep
Nifedipine
Propranolol
Lactic Acid
Healthy Volunteers
Exercise
Exercise Test
Pharmaceutical Preparations
Isosorbide Dinitrate
Cardiovascular Agents
Workload
Heart Rate
Hemodynamics
Oxygen
Blood Pressure
Therapeutics

All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine

Cite this

Effect of Nifedipine, Dilazep, Dinitrates and Propranolol on Blood Lactate Accumulation during Intensive Graded Exercise Testing in Healthy Young Subjects. / Tanaka, Hiroaki; Shindo, Munehiro; Kumagai, Shuzo; Yoshida, Toyokazu; Mutaguchi, Takashi; Moriyama, Yoshihiro; Hiroki, Tadayuki; Arakawa, Kikuo.

In: japanese heart journal, Vol. 29, No. 5, 01.01.1988, p. 617-630.

Research output: Contribution to journalArticle

Tanaka, Hiroaki ; Shindo, Munehiro ; Kumagai, Shuzo ; Yoshida, Toyokazu ; Mutaguchi, Takashi ; Moriyama, Yoshihiro ; Hiroki, Tadayuki ; Arakawa, Kikuo. / Effect of Nifedipine, Dilazep, Dinitrates and Propranolol on Blood Lactate Accumulation during Intensive Graded Exercise Testing in Healthy Young Subjects. In: japanese heart journal. 1988 ; Vol. 29, No. 5. pp. 617-630.
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