{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T09:00:18Z","timestamp":1790586018544,"version":"4.1.0"},"reference-count":20,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T00:00:00Z","timestamp":1788998400000},"content-version":"vor","delay-in-days":9,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Echocardiography"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>Upper airway obstruction caused by adenotonsillar hypertrophy may affect the heart in children through chronic negative intrathoracic pressure and increased pulmonary vascular load. This study evaluated changes over time in pulmonary artery pressure and right and left ventricular systolic and diastolic function after adenotonsillar surgery using conventional echocardiography and tissue Doppler imaging (TDI).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This prospective observational study included non\u2010obese children aged 5\u201311 years with clinically and endoscopically confirmed adenotonsillar hypertrophy who underwent adenoidectomy, tonsillectomy, or adenotonsillectomy. Echocardiography was performed before surgery and at 1 and six months after surgery by the same operator. We assessed systolic pulmonary artery pressure (sPAP), conventional echocardiographic measures, tricuspid and mitral annular plane systolic excursion (TAPSE and MAPSE), tissue Doppler systolic and diastolic velocities, myocardial performance index (MPI), and ejection time (ET) for both ventricles.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>SPAP decreased significantly over time, with significant differences between all three time points after Bonferroni adjustment. TAPSE and MAPSE were within age\u2010adjusted normal ranges before surgery but both changed significantly over time. TAPSE increased progressively, while MAPSE was higher at both postoperative visits than at baseline. Right ventricular TDI showed significant time effects for lateral e\u2032 velocity and the tricuspid e\u2032\/a\u2032 ratio; lateral s\u2032 did not change significantly. In the mitral annulus, significant time effects were seen for lateral e\u2032, septal e\u2032, and septal a\u2032. After Bonferroni adjustment, only lateral e\u2032 was higher at six months than at baseline, while septal a\u2032 differed only between 1 and six months. MPI and ET did not change significantly in either ventricle, and conventional echocardiographic measures remained normal throughout follow\u2010up.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Adenotonsillar surgery was associated with an early fall in pulmonary artery pressure and different patterns of change in the two ventricles. Right ventricular changes were more prominent, including an early and progressive increase in TAPSE, while left ventricular diastolic changes were later and more limited. Because conventional echocardiographic measures remained normal, the clinical importance of the modest TDI changes is uncertain.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/echo.70622","type":"journal-article","created":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T11:16:37Z","timestamp":1789038997000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Time\u2010Dependent Changes in Pulmonary Artery Pressure and Biventricular Function After Adenotonsillar Surgery: A Tissue Doppler Echocardiography Study"],"prefix":"10.1111","volume":"43","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0472-9670","authenticated-orcid":false,"given":"H\u00fclya","family":"\u00d6zer","sequence":"first","affiliation":[{"name":"Department of Pediatric Cardiology Ankara Etlik City Hospital  Ankara T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mehmet Emre","family":"Ar\u0131","sequence":"additional","affiliation":[{"name":"Department of Pediatric Cardiology Ankara Etlik City Hospital  Ankara T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pelin","family":"Alt\u0131nbezer","sequence":"additional","affiliation":[{"name":"Department of Pediatric Cardiology Ankara Etlik City Hospital  Ankara T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"G\u00f6khan","family":"Topta\u015f","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology Ankara Etlik City Hospital  Ankara T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sibel","family":"Al\u0131cura","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology Ankara Etlik City Hospital  Ankara T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"G\u00fcleser","family":"Saylam","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology Ankara Etlik City Hospital  Ankara T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Utku Arman","family":"\u00d6r\u00fcn","sequence":"additional","affiliation":[{"name":"Department of Pediatric Cardiology Ankara Etlik City Hospital  Ankara 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