Respiratory sleep disorders in patients with congestive heart failure

To examine respiration in sleeping patients with congestive heart failure (CHF). Night cardiorespiratory monitoring was made in 30 CHF patients with coronary heart disease (CHD), arterial hypertension and dilated cardiomyopathy. The control group consisted of 16 patients with obstructive sleep apnea...

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Bibliographic Details
Published inTerapevtic̆eskii arhiv Vol. 73; no. 12; p. 56
Main Authors Voronin, I M, Belov, A M, Chuchalin, A G
Format Journal Article
LanguageRussian
Published Russia (Federation) 2001
Subjects
Adult
Aged
Electrocardiography
Female
Heart Failure - complications
Heart Failure - diagnostic imaging
Heart Failure - physiopathology
Humans
Male
Middle Aged
Sleep Apnea Syndromes - complications
Sleep Apnea Syndromes - drug therapy
Sleep Apnea, Obstructive - complications
Sleep Apnea, Obstructive - drug therapy
Surveys and Questionnaires
Ultrasonography
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Summary:To examine respiration in sleeping patients with congestive heart failure (CHF). Night cardiorespiratory monitoring was made in 30 CHF patients with coronary heart disease (CHD), arterial hypertension and dilated cardiomyopathy. The control group consisted of 16 patients with obstructive sleep apnea and hypopnea (OSAH) free of CHF. Respiratory sleep disorders were registered in all the examinees. Moderate and severe OSAH occurred more often. CHF patients vs controls had shorter inhalation, expiration, overall duration of the respiratory cycle, higher rate of the respiratory movements. With aggravation of the respiratory disorders in sleeping CHF patients, minute ventilation, respiratory volume and mean inspiratory flow arose. In severe OSAH there was low functional residual lung capacity and high intraalveolar volume in end expiration positive pressure. The above changes may cause fatigue and weakness of the respiratory muscles and alter intracardiac hemodynamics. For CHF patients it is recommended to perform CPAP-therapy in sleep.
ISSN:0040-3660