{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,3]],"date-time":"2026-04-03T19:05:58Z","timestamp":1775243158351,"version":"3.50.1"},"reference-count":30,"publisher":"European Respiratory Society (ERS)","issue":"6","content-domain":{"domain":["ersjournals.com"],"crossmark-restriction":true},"short-container-title":["Eur Respir J"],"accepted":{"date-parts":[[2012,8,26]]},"published-print":{"date-parts":[[2013,6]]},"abstract":"<jats:p>This study investigated the effect of heart failure on respiratory patterns in patients with obstructive sleep apnoea (OSA).<\/jats:p><jats:p>39 patients with established OSA (apnoea\/hypopnoea index (AHI) &gt;10 events\u00b7h<jats:sup>\u22121<\/jats:sup>) and either with heart failure (New York Heart Association (NYHA) class II and III, left ventricular-ejection fraction (LVEF) \u226440%; n=26, age mean\u00b1<jats:sc>sd<\/jats:sc>67\u00b19 years) or without heart failure (LVEF \u226550%, N-terminal pro-brain naturic peptide &lt;400 pg\u00b7mL<jats:sup>\u22121<\/jats:sup>; n=13, age 73\u00b16 years) underwent simultaneous right- and left-heart catheterisation within 12 h of cardiorespiratory polygraphy recording.<\/jats:p><jats:p>Respiratory patterns of OSA were significantly longer in OSA patients with heart failure<jats:italic>versus<\/jats:italic>without heart failure, including mean\u00b1<jats:sc>sd<\/jats:sc>cycle length (46.0\u00b110.0<jats:italic>versus<\/jats:italic>37.8\u00b110.6 s; p=0.024), ventilation length (25.4\u00b16.3<jats:italic>versus<\/jats:italic>21.3\u00b17.1 s; p=0.044), apnoea length (20.5\u00b14.9<jats:italic>versus<\/jats:italic>16.5\u00b13.9 s; p=0.013), time-to-peak ventilation (10.6\u00b13.0<jats:italic>versus<\/jats:italic>8.3\u00b12.5 sc; p=0.021) and circulatory delay (28.5\u00b17.5<jats:italic>versus<\/jats:italic>22.6\u00b13.7 s; p=0.005). Positive and robust correlations were found between some of these parameters and the degree of congestion in heart failure: cycle length (r=0.53; p=0.006), ventilation length (r=0.55; p=0.004) and time-to-peak ventilation (r=0.47; p=0.015) all increased with a rise in pulmonary capillary wedge pressure.<\/jats:p><jats:p>Respiratory patterns in OSA appear to be dependent on cardiac function, with an increase in event lengths as cardiac function decreases. In patients with heart failure, some of these events correlate with the degree of pulmonary congestion.<\/jats:p>","DOI":"10.1183\/09031936.00082212","type":"journal-article","created":{"date-parts":[[2012,9,28]],"date-time":"2012-09-28T19:31:43Z","timestamp":1348860703000},"page":"1340-1346","update-policy":"https:\/\/doi.org\/10.1183\/ers-crossmark-policy","source":"Crossref","is-referenced-by-count":33,"title":["Obstructive sleep apnoea: longer respiratory event lengths in patients with heart failure"],"prefix":"10.1183","volume":"41","author":[{"given":"Christina","family":"Efken","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas","family":"Bitter","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Natalie","family":"Prib","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dieter","family":"Horstkotte","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Olaf","family":"Oldenburg","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"81","published-online":{"date-parts":[[2012,9,27]]},"reference":[{"key":"2024102021204639000_41.6.1340.1","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCULATIONAHA.109.901801"},{"key":"2024102021204639000_41.6.1340.2","doi-asserted-by":"publisher","DOI":"10.1093\/eurheartj\/ehq327"},{"key":"2024102021204639000_41.6.1340.3","doi-asserted-by":"publisher","DOI":"10.1016\/j.jacc.2006.12.046"},{"key":"2024102021204639000_41.6.1340.4","doi-asserted-by":"publisher","DOI":"10.1378\/chest.07-1901"},{"key":"2024102021204639000_41.6.1340.5","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejheart.2006.08.003"},{"key":"2024102021204639000_41.6.1340.6","doi-asserted-by":"publisher","DOI":"10.1164\/ajrccm.160.4.9903020"},{"key":"2024102021204639000_41.6.1340.7","doi-asserted-by":"publisher","DOI":"10.1183\/09031936.00037106"},{"key":"2024102021204639000_41.6.1340.8","doi-asserted-by":"publisher","DOI":"10.1164\/rccm.200412-1631SO"},{"key":"2024102021204639000_41.6.1340.9","doi-asserted-by":"publisher","DOI":"10.1016\/j.smrv.2007.11.003"},{"key":"2024102021204639000_41.6.1340.10","doi-asserted-by":"publisher","DOI":"10.1378\/chest.11-0044"},{"key":"2024102021204639000_41.6.1340.11","doi-asserted-by":"publisher","DOI":"10.1152\/japplphysiol.00972.2010"},{"key":"2024102021204639000_41.6.1340.12","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCULATIONAHA.109.902452"},{"key":"2024102021204639000_41.6.1340.13","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejheart.2007.03.009"},{"key":"2024102021204639000_41.6.1340.14","doi-asserted-by":"publisher","DOI":"10.1016\/j.sleep.2009.09.004"},{"key":"2024102021204639000_41.6.1340.15","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.99.12.1574"},{"key":"2024102021204639000_41.6.1340.16","doi-asserted-by":"publisher","DOI":"10.1016\/j.jacc.2004.03.040"},{"key":"2024102021204639000_41.6.1340.17","doi-asserted-by":"crossref","first-page":"376","DOI":"10.1164\/ajrccm.154.2.8756809","article-title":"Cycle length of periodic breathing in patients with and without heart failure","volume":"154","author":"Hall","year":"1996","journal-title":"Am J Respir Crit Care Med"},{"key":"2024102021204639000_41.6.1340.18","doi-asserted-by":"publisher","DOI":"10.1378\/chest.127.2.536"},{"key":"2024102021204639000_41.6.1340.19","doi-asserted-by":"publisher","DOI":"10.1378\/chest.113.1.104"},{"key":"2024102021204639000_41.6.1340.20","doi-asserted-by":"publisher","DOI":"10.1093\/eurheartj\/ehn309"},{"key":"2024102021204639000_41.6.1340.21","unstructured":"Iber C Ancoli-Israel S Chesson A . 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