title: Prevalence of Cheyne-Stokes respiration in modern treated congestive heart failure.
abstract: BACKGROUND
  The prevalence of sleep breathing disorders in patients with congestive heart failure is relevantly high. According to historical studies Cheyne-Stokes respiration is an oscillatory ventilation during sleep in up to 40% of patients with congestive heart failure. During the last decade the medical treatment of congestive heart failure has been improved. The aim of this investigation was to analyze the prevalence of Cheyne-Stokes respiration in patients with congestive heart failure and modern medical treatment.
  
  
  CONCLUSIONS
  In 50 patients with severe congestive heart failure receiving modern medical treatment a full night polysomnography was performed. All patients had ss-blockers and angiotensin-converting-enzyme inhibitors or angiotensin-II-antagonists as standard treatment. The mean age was 63 +/- 12 years and the mean left ventricular ejection fraction was 26 +/- 6%. Respiratory polygraphy revealed Cheyne-Stokes respiration with a respiratory disturbance index of > or =5/h sleep in 32 (64%) of the seven female and 43 male patients. The prevalence of Cheyne-Stokes respiration defined by using the threshold of an apnea index of > or =10/h was 30%.
  
  
  CONCLUSIONS
  Thus, no significant change of Cheyne-Stokes prevalence could be found in our modern treated severe congestive heart failure collective.
authors.affiliation: Department of Internal Medicine, Georg-August-Universität, Göttingen, Germany. hagenah@med.uni-goettingen.de
authors.forename: Gerrit
authors.initials: G
authors.lastname: Hagenah
authors.forename: Dennis
authors.initials: D
authors.lastname: Beil
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D000806:Angiotensin-Converting Enzyme Inhibitors / Q000627:therapeutic use*; D001827:Body Height; D015992:Body Mass Index; D002639:Cheyne-Stokes Respiration / Q000175:diagnosis* / Q000453:epidemiology*; D005260:Female; D006333:Heart Failure / Q000188:drug therapy* / Q000453:epidemiology*; D006339:Heart Rate / Q000502:physiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D017286:Polysomnography; D015995:Prevalence; D012720:Severity of Illness Index; D012891:Sleep Apnea Syndromes / Q000175:diagnosis / Q000453:epidemiology
chemical_list: D000319:Adrenergic beta-Antagonists; D000806:Angiotensin-Converting Enzyme Inhibitors
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