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This study investigated the frequency of SDB and the effects of SDB on left ventricular function after AMI. This retrospective study enrolled all patients with AMI who had undergone cardiorespiratory polygraphy for SDB diagnosis. The apnea\u2013hypopnea index was used as a standard metric of SDB severity. SDB was classified as mild (apnea\u2013hypopnea index &gt;5 to &lt;15 per h), moderate (\u226515 to &lt;30 per h) or severe (apnea\u2013hypopnea index \u226530 per h). According to the majority of events, SDB was classified as predominant obstructive sleep apnea, central sleep apnea or mixed sleep apnea (mixed SDB). A total of 223 patients with AMI (112 with <jats:styled-content style=\"fixed-case\">ST<\/jats:styled-content> elevation and 111 without <jats:styled-content style=\"fixed-case\">ST<\/jats:styled-content> elevation; 63.2\u00a0\u00b1\u00a011.2\u00a0years, 82% male, left ventricular ejection fraction 49\u00a0\u00b1\u00a012%) were enrolled. SDB was present in 85.6%, and was moderate\u2010to\u2010severe in 63.2%; 40.8% had obstructive sleep apnea, 41.7% had central sleep apnea and 3.1% had mixed SDB. Left ventricular ejection fraction was lower in patients with AMI with severe SDB (45\u00a0\u00b1\u00a014%) versus those without SDB (57\u00a0\u00b1\u00a07%; <jats:italic>P<\/jats:italic>\u00a0&lt;\u00a00.005). In addition, lower left ventricular ejection fraction (\u226445%) was associated with increased frequency (apnea\u2013hypopnea index \u22655 per h in 96%) and severity (apnea\u2013hypopnea index \u226530 per h in 48%) of SDB in general and a higher percentage of central sleep apnea (57%) in particular. SDB is highly frequent in patients with AMI. SDB severity appeared to be linked to impaired left ventricular function, especially in patients with central sleep apnea.<\/jats:p>","DOI":"10.1111\/jsr.12540","type":"journal-article","created":{"date-parts":[[2017,5,10]],"date-time":"2017-05-10T06:12:45Z","timestamp":1494396765000},"page":"657-664","source":"Crossref","is-referenced-by-count":16,"title":["Impact of sleep\u2010disordered breathing in patients with acute myocardial infarction: a retrospective analysis"],"prefix":"10.1111","volume":"26","author":[{"given":"Verena","family":"Gessner","sequence":"first","affiliation":[{"name":"Clinic for Cardiology Herz\u2010 und Diabeteszentrum NRW Ruhr\u2010Universit\u00e4t Bochum Bad Oeynhausen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Bitter","sequence":"additional","affiliation":[{"name":"Clinic for Cardiology Herz\u2010 und Diabeteszentrum NRW Ruhr\u2010Universit\u00e4t Bochum Bad Oeynhausen 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