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Body, S.C.* ; Collard, C.D.* ; Shernan, S.K.* ; Fox, A.A.* ; Liu, K.Y.* ; Ritchie, M.D.* ; Perry, T.E.* ; Muehlschlegel, J.D.* ; Aranki, S.* ; Donahue, B.S.* ; Pretorius, M.* ; Estrada, J.C.* ; Ellinor, P.T.* ; Newton-Cheh, C.* ; Seidman, C.E.* ; Seidman, J.G.* ; Herman, D.S.* ; Lichtner, P. ; Meitinger, T. ; Pfeufer, A. ; Kääb, S. ; Brown, N.J.* ; Roden, D.M.* ; Darbar, D.*

Variation in the 4q25 chromosomal locus predicts atrial fibrillation after coronary artery bypass graft surgery.

Circ. Cardiovasc. Genet. 2, 499-506 (2009)
DOI PMC
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Atrial fibrillation (AF) is the most common adverse event following coronary artery bypass graft surgery. A recent study identified chromosome 4q25 variants associated with AF in ambulatory populations. However, their role in postoperative AF is unknown. We hypothesized that genetic variants in the 4q25 chromosomal region are independently associated with postoperative AF after coronary artery bypass graft surgery. METHODS AND RESULTS: Two prospectively collected cohorts of patients undergoing coronary artery bypass graft surgery, with or without concurrent valve surgery, at 3 US centers. From a discovery cohort of 959 patients, clinical and genomic multivariate predictors of postoperative AF were identified by genotyping 45 single-nucleotide polymorphisms (SNPs) encompassing the 4q25 locus. Three SNPs were then assessed in a separately collected validation cohort of 494 patients. After adjustment for clinical predictors of postoperative AF and multiple comparisons, rs2200733, rs13143308, and 5 other linked SNPs independently predicted postoperative AF in the discovery cohort. Additive odds ratios for the 7 associated 4q25 SNPs ranged between 1.57 and 2.17 (P=8.0x10(-4) to 3.4x10(-6)). Association with postoperative AF were measured and replicated for rs2200733 and rs13143308 in the validation cohort. CONCLUSIONS: In 2 independently collected cardiac surgery cohorts, noncoding SNPs within the chromosome 4q25 region are independently associated with postoperative AF after coronary artery bypass graft surgery after adjusting for clinical covariates and multiple comparisons.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter atrial fibrillation; arrhythmia; postoperative complication; heart surgery; genetics
Sprache englisch
Veröffentlichungsjahr 2009
HGF-Berichtsjahr 0
ISSN (print) / ISBN 1942-325X
e-ISSN 1942-3268
Zeitschrift Circulation: Cardiovascular Genetics
Quellenangaben Band: 2, Heft: 5, Seiten: 499-506 Artikelnummer: , Supplement: ,
Verlag Lippincott Williams & Wilkins
Verlagsort Hagerstown, Md
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Human Genetics (IHG)
POF Topic(s) 30501 - Systemic Analysis of Genetic and Environmental Factors that Impact Health
Forschungsfeld(er) Genetics and Epidemiology
PSP-Element(e) G-500700-001
PubMed ID 20031626
DOI 10.1161/CIRCGENETICS.109.849075
Erfassungsdatum 2009-12-31
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