{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,24]],"date-time":"2026-04-24T06:10:48Z","timestamp":1777011048734,"version":"3.51.4"},"reference-count":31,"publisher":"Cambridge University Press (CUP)","issue":"9","license":[{"start":{"date-parts":[[2021,2,18]],"date-time":"2021-02-18T00:00:00Z","timestamp":1613606400000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":["cambridge.org"],"crossmark-restriction":true},"short-container-title":["Cardiol Young"],"published-print":{"date-parts":[[2021,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec id=\"S1047951121000500_as1\"><jats:title>Objective:<\/jats:title><jats:p>We aimed to assess the immediate haemodynamic response and the timing of cardiac remodelling in paediatric secundum atrial septal defect patients who underwent percutaneous transcatheter closure.<\/jats:p><\/jats:sec><jats:sec id=\"S1047951121000500_as2\"><jats:title>Methods:<\/jats:title><jats:p>In this longitudinal cohort study with 41 paediatric secundum ASD patients who underwent PTC with Amplatzer Occluder device were assessed for immediate post-interventional haemodynamic response measured by catheterisation and was evaluated for right and left cardiac remodelling during a follow-up period of 12 months by transthoracic echocardiography. SPSS 20.0 was used for statistical analyses of pre- and post-interventional invasive haemodynamic parameters of the patients, and pre- and post-interventional TTE data compared with the values of the control group consisted of 39 healthy children.<\/jats:p><\/jats:sec><jats:sec id=\"S1047951121000500_as3\"><jats:title>Results:<\/jats:title><jats:p>The mean diameter of ASD was 13.9 \u00b1 4.7 mm. PTC intervention in all patients completed with 100% success and 0% complication rates. All invasive haemodynamic data, except the ratio of pulmonary resistance to systemic resistance, significantly reduced after PTC (p &lt; 0.05). TTE and PW Doppler revealed that right and left cardiac remodelling started as soon as the post-interventional 24th hour and completed in the 12th month.<\/jats:p><\/jats:sec><jats:sec id=\"S1047951121000500_as4\"><jats:title>Conclusions:<\/jats:title><jats:p>This study with a very high interventional success rate can be counted as the first example of research on the haemodynamic response and timing of cardiac remodelling after PTC of secundum ASD in children. We suggest that future multicentric studies with larger cohorts and a comprehensive methodology like ours with longer follow-up periods would better serve to further assess the cardiac remodelling in children after PTC of secundum ASD.<\/jats:p><\/jats:sec>","DOI":"10.1017\/s1047951121000500","type":"journal-article","created":{"date-parts":[[2021,2,18]],"date-time":"2021-02-18T09:37:58Z","timestamp":1613641078000},"page":"1476-1483","update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":7,"title":["The immediate haemodynamic response and right and left cardiac remodelling after percutaneous transcatheter closure of secundum atrial septal defect in children: a longitudinal cohort 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