{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T08:56:58Z","timestamp":1789549018104,"version":"build-2803163510"},"reference-count":22,"publisher":"European Respiratory Society (ERS)","issue":"6","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Eur Respir J"],"accepted":{"date-parts":[[2007,2,27]]},"published-print":{"date-parts":[[2007,6]]},"abstract":"<jats:p>Studies from the USA have reported that sleep apnoea is common in congestive heart failure (CHF), with Cheyne\u2013Stokes respiration (CSR) being the most frequent type of sleep-disordered breathing (SDB) in these patients. Within the present study, the authors sought to assess the prevalence and type of SDB among CHF patients in Germany.<\/jats:p>\n                  <jats:p>A total of 203 CHF patients participated in this prospective multicentre study. All patients were stable in New York Heart Association classes II and III and had a left ventricular ejection fraction (LVEF) &lt;40%. The patients were investigated by polygraphy and all data were centrally analysed. Patient enrolment was irrespective of sleep-related symptoms.<\/jats:p>\n                  <jats:p>\n                    The majority of patients were male with a mean age of 65\u2005yrs and hospitalised. Of the 203 patients, 145 (71%) had an apnoea\/hypopnoea index &gt;10\u00b7h\n                    <jats:sup>\u22121<\/jats:sup>\n                    , obstructive sleep apnoea (OSA) occurred in 43% (n\u200a=\u200a88) and CSR in 28% (n\u200a=\u200a57) of patients.\n                  <\/jats:p>\n                  <jats:p>The prevalence of sleep-disordered breathing is high in patients with stable severe congestive heart failure from a European population. As sleep-disordered breathing may have a negative impact on the prognosis of congestive heart failure, a sleep study should be performed in every patient with congestive heart failure and a left ventricular ejection fraction of &lt;40%. This diagnostic approach should probably be adopted for all of these patients irrespective of the presence of sleep-related symptoms.<\/jats:p>","DOI":"10.1183\/09031936.00037106","type":"journal-article","created":{"date-parts":[[2007,3,14]],"date-time":"2007-03-14T20:00:41Z","timestamp":1173902441000},"page":"1201-1205","source":"Crossref","is-referenced-by-count":186,"title":["Sleep apnoea in heart failure"],"prefix":"10.1183","volume":"29","author":[{"given":"R.","family":"Schulz","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A.","family":"Blau","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J.","family":"B\u00f6rgel","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H. 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