Twenty-four-hour blood pressure control

Effect of cilazapril on continuous arterial blood pressure during sleep, and physical and mental load in patients with arterial hypertension and sleep apnea

L. Grote, J. Heitmann, Hartmut Schneider, T. Ploch, T. Penzel, J. H. Peter, P. von Wichert

Research output: Contribution to journalArticle

Abstract

To assess the effectiveness of cilazapril in regulating blood pressure (BP) in patients with sleep-related breathing disorders, 23 male patients (mean age, 50 years; mean body mass index, 32.7 kg/m2) with a mean apnea/hypopnea index of 49.7 and arterial hypertension (163/104 mm Hg) participated in a placebo-controlled, randomized, double-blind study. They received either cilazapril, 2.5 mg/day (n = 12) or placebo (n = 11). The effects of treatment were studied under different conditions of sleep and physical and mental load before and after 8 days of treatment. Measurements by night included cardiorespiratory polysomnography, inductive plethysmography. pulse oximetry and nasal air flow, electroencephalography, (EEG), electrooculography and electromyography, (ECG), and blood pressure (BP). Measurements by day (ECG, heart rate, and BP) were performed at rest and under physical and mental load. Systolic, diastolic, and mean BP (5 min at night; 1 s during the day), heart rate, apnea and hypopnea index, EEG data, and test reaction times were compared in both groups. The systolic and diastolic BP of patients receiving cilazapril was lower compared to baseline for all physical and mental loads. Mean BP reductions over all standardized loads was greater with cilazapril than placebo (-10 vs. -4.3 mm Hg, p <0.05). These results show that BP is influenced similarly by mental and physical loads, and that behavior [i.e., awake state and non-rapid eye movement and rapid eye movement (NREM and REM) sleep determines BP regulation. Cilazapril is effective in reducing BP in all situations, especially during REM sleep hypertension.

Original languageEnglish (US)
Pages (from-to)S78-S82
JournalJournal of Cardiovascular Pharmacology
Volume24
StatePublished - 1994
Externally publishedYes

Fingerprint

Cilazapril
Sleep Apnea Syndromes
Arterial Pressure
Sleep
Blood Pressure
Hypertension
Placebos
REM Sleep
Electromyography
Apnea
Electroencephalography
Heart Rate
Electrooculography
Oximetry
Plethysmography
Polysomnography
Eye Movements
Nose
Double-Blind Method
Reaction Time

Keywords

  • Continuous arterial pressure measurement
  • REM sleep hypertension
  • Sleep apnea

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Pharmacology

Cite this

Twenty-four-hour blood pressure control : Effect of cilazapril on continuous arterial blood pressure during sleep, and physical and mental load in patients with arterial hypertension and sleep apnea. / Grote, L.; Heitmann, J.; Schneider, Hartmut; Ploch, T.; Penzel, T.; Peter, J. H.; von Wichert, P.

In: Journal of Cardiovascular Pharmacology, Vol. 24, 1994, p. S78-S82.

Research output: Contribution to journalArticle

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abstract = "To assess the effectiveness of cilazapril in regulating blood pressure (BP) in patients with sleep-related breathing disorders, 23 male patients (mean age, 50 years; mean body mass index, 32.7 kg/m2) with a mean apnea/hypopnea index of 49.7 and arterial hypertension (163/104 mm Hg) participated in a placebo-controlled, randomized, double-blind study. They received either cilazapril, 2.5 mg/day (n = 12) or placebo (n = 11). The effects of treatment were studied under different conditions of sleep and physical and mental load before and after 8 days of treatment. Measurements by night included cardiorespiratory polysomnography, inductive plethysmography. pulse oximetry and nasal air flow, electroencephalography, (EEG), electrooculography and electromyography, (ECG), and blood pressure (BP). Measurements by day (ECG, heart rate, and BP) were performed at rest and under physical and mental load. Systolic, diastolic, and mean BP (5 min at night; 1 s during the day), heart rate, apnea and hypopnea index, EEG data, and test reaction times were compared in both groups. The systolic and diastolic BP of patients receiving cilazapril was lower compared to baseline for all physical and mental loads. Mean BP reductions over all standardized loads was greater with cilazapril than placebo (-10 vs. -4.3 mm Hg, p <0.05). These results show that BP is influenced similarly by mental and physical loads, and that behavior [i.e., awake state and non-rapid eye movement and rapid eye movement (NREM and REM) sleep determines BP regulation. Cilazapril is effective in reducing BP in all situations, especially during REM sleep hypertension.",
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