{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,31]],"date-time":"2026-01-31T00:08:17Z","timestamp":1769818097175,"version":"3.49.0"},"reference-count":49,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2018,4,12]],"date-time":"2018-04-12T00:00:00Z","timestamp":1523491200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Echocardiography"],"published-print":{"date-parts":[[2018,8]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>The sleeping position plays an important role in overall health in both healthy individuals and heart failure (<jats:styled-content style=\"fixed-case\">HF<\/jats:styled-content>) patients, which complain of increasing dyspnea when adopting left lateral decubitus position (<jats:styled-content style=\"fixed-case\">LLDP<\/jats:styled-content>) that improves when turning over to the right lateral decubitus position (<jats:styled-content style=\"fixed-case\">RLDP<\/jats:styled-content>). Several theories have been proposed to explain this preference of <jats:styled-content style=\"fixed-case\">HF<\/jats:styled-content> patients; however, the underlying mechanisms remain unclear.<\/jats:p><\/jats:sec><jats:sec><jats:title>Method<\/jats:title><jats:p>We evaluated consecutive dilated cardiomyopathy (<jats:styled-content style=\"fixed-case\">DCMP<\/jats:styled-content>) patients with regard to whether they had a sleeping position preference and analyzed early and late left ventricular filling velocities, tissue Doppler recordings, tricuspid annular plane systolic excursion (<jats:styled-content style=\"fixed-case\">TAPSE<\/jats:styled-content>), and left ventricular outflow tract time\u2010velocity integral (<jats:styled-content style=\"fixed-case\">LVOT<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">TVI<\/jats:styled-content>). Baseline echocardiographic parameters were obtained first by <jats:styled-content style=\"fixed-case\">LLDP<\/jats:styled-content>, followed by the supine position (<jats:styled-content style=\"fixed-case\">SP<\/jats:styled-content>) and finally <jats:styled-content style=\"fixed-case\">RLDP<\/jats:styled-content> in each position for 10\u00a0minutes to ensure a stabilized hemodynamic milieu.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 26 <jats:styled-content style=\"fixed-case\">DCMP<\/jats:styled-content> patients were included in this study and a 78 echocardiographic examination performed. We detected that many <jats:styled-content style=\"fixed-case\">HF<\/jats:styled-content> patients preferred the right lateral decubitus sleeping position (<jats:styled-content style=\"fixed-case\">RLDSP<\/jats:styled-content>, 54%) and avoided from the left lateral decubitus sleeping position (<jats:styled-content style=\"fixed-case\">LLDSP<\/jats:styled-content>, 40%); the echocardiographic <jats:styled-content style=\"fixed-case\">LVOT TVI<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">TAPSE<\/jats:styled-content> parameters were statistically higher in <jats:styled-content style=\"fixed-case\">RLDP<\/jats:styled-content> compared to <jats:styled-content style=\"fixed-case\">SP<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">LLDP<\/jats:styled-content>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The echocardiographic <jats:styled-content style=\"fixed-case\">LVOT TVI<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">TAPSE<\/jats:styled-content> values as functional parameters of left and right ventricular function change with body position, and these hemodynamic changes may explain why <jats:styled-content style=\"fixed-case\">HF<\/jats:styled-content> patients willingly adopt <jats:styled-content style=\"fixed-case\">RLDSP<\/jats:styled-content>.<\/jats:p><\/jats:sec>","DOI":"10.1111\/echo.13888","type":"journal-article","created":{"date-parts":[[2018,4,12]],"date-time":"2018-04-12T14:00:29Z","timestamp":1523541629000},"page":"1132-1137","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Serial echocardiographic changes with different body positions and sleeping side preference in heart failure patients"],"prefix":"10.1111","volume":"35","author":[{"given":"Muhammed Fatih","family":"Bayraktar","sequence":"first","affiliation":[{"name":"Department of Cardiology Turkiye Yuksek Ihtisas 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