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Effect of temocapril on haemodynamic and humoral responses to exercise in patients with mild essential hypertension.

Abstract
1. This study was carried out to evaluate the effect of temocapril on haemodynamic and humoral responses to exercise in nine patients with mild essential hypertension (WHO stages I and II). 2. After a 4-week placebo period, temocapril was administered at a dose of 1.0 mg once daily for 2-4 weeks. Graded submaximal bicycle ergometer exercise was performed before and after temocapril treatment, and the changes in arterial blood pressure, heart rate, cardiac output (CO), and systemic vascular resistance (SVR) were evaluated. In addition, the plasma norepinephrine (NE) level was determined both at rest and peak exercise before and after temocapril treatment. 3. Both the systolic and diastolic blood pressure were reduced at rest and during exercise by temocapril treatment. No significant change in the resting heart rate and CO was observed, and the exercise-induced increase of these parameters was also not affected by temocapril. In contrast, the resting SVR was significantly decreased by temocapril, although the exercise SVR was similar during both temocapril and placebo treatment. 4. Although there was no significant change in the plasma NE level with temocapril treatment, the exercise-induced increase of plasma NE was significantly suppressed by temocapril. 5. These results indicate that temocapril reduces the blood pressure without causing any significant changes in the heart rate and CO at rest, and that it does not produce any changes in the haemodynamic response to exercise.
AuthorsM Arita, Y Ueno, C Nakamura, T Akitsu, Y Nakamura, Y Wanaka, I Nishio, Y Masuyama
JournalClinical and experimental pharmacology & physiology (Clin Exp Pharmacol Physiol) Vol. 21 Issue 3 Pg. 195-200 (Mar 1994) ISSN: 0305-1870 [Print] Australia
PMID8076421 (Publication Type: Clinical Trial, Comparative Study, Journal Article)
Chemical References
  • Angiotensin-Converting Enzyme Inhibitors
  • Thiazepines
  • Angiotensin II
  • temocapril hydrochloride
  • Renin
  • Norepinephrine
Topics
  • Adult
  • Angiotensin II (blood)
  • Angiotensin-Converting Enzyme Inhibitors (therapeutic use)
  • Exercise (physiology)
  • Exercise Test
  • Female
  • Hemodynamics (drug effects)
  • Humans
  • Hypertension (blood, drug therapy, physiopathology)
  • Male
  • Middle Aged
  • Norepinephrine (blood)
  • Renin (blood)
  • Rest
  • Thiazepines (therapeutic use)

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