ArticleAmerican heart journal2018
Analysis of clinical and candidate genetic risk factors for postoperative atrial tachycardia after congenital heart surgery in infants.
Article in American heart journal, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 7 citations in OpenAlex.
- Diastolic Blood Pressure Alleles Improve Congenital Heart Defect Repair Outcomes.Circulation research · 2022Article
- Postoperative Atrial Fibrillation Following Cardiac Surgery: From Pathogenesis to Potential Therapies.American journal of cardiovascular drugs : drugs, devices, and other interventions · 2020Review
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5 authors at 1 institution in 1 country.
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Abstract
backgroundAtrial tachycardia (AT) after infant congenital heart disease (CHD) surgery is associated with increased mortality. Polymorphisms in PITX2 (rs2200733) and IL6 (rs1800795) are associated with postoperative atrial fibrillation in adults but have not been studied in CHD. The objective was to test the hypothesis that clinical factors and variants in PITX2 and IL6 are associated with postoperative AT in infants with CHD.
methodsInfants (<1 year of age) undergoing CHD surgery between September 2007 and May 2016 were included. Subjects had daily assessment of telemetry and were genotyped for the 2 variants. Univariate and multivariate analyses were performed to test for factors independently associated with AT.
resultsOf 1,067 enrolled infants, 164 had postoperative AT (15.4%); 95 required treatment (8.9%). AT was associated with risk for extracorporeal membrane oxygenation, operative mortality, and longer duration of ventilation, as well as intensive care unit and hospital stays. PITX2 and IL6 genotypes were not associated with AT or AT requiring treatment. In multivariate analysis, use of 2 or more inotropes, age ≤ 28 days; Risk Adjusted classification for Congenital Heart Surgery, Version 1, score ≥ 3; and bypass time were all independently associated with AT. Factors independently associated with treated AT include use of 2 or more inotropes; age ≤ 28 days; and Risk Adjusted classification for Congenital Heart Surgery, Version 1, score ≥ 3.
conclusionAT occurs in 15% of infants after CHD surgery and is associated with increased morbidity and mortality. Risk factors include use of 2 or more inotropes, neonatal age, and higher surgical complexity score. We observed no association between common genetic variants in PITX2 and IL6 and AT in infants after CHD surgery.
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