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Noordam, R.* ; Young, W.J.* ; Salman, R.* ; Kanters, J.K.* ; van den Berg, M.E.* ; van Heemst, D.* ; Lin, H.J.* ; Barreto, S.M.* ; Biggs, M.L.* ; Biino, G.* ; Catamo, E.* ; Concas, M.P.* ; Ding, J.* ; Evans, D.S.* ; Foco, L.* ; Grarup, N.* ; Lyytikäinen, L.P.* ; Mangino, M.* ; Mei, H.* ; van der Most, P.J.* ; Müller-Nurasyid, M. ; Nelson, C.P.* ; Qian, Y.* ; Repetto, L.* ; Said, M.A.* ; Shah, N.* ; Schramm, K. ; Vidigal, P.G.* ; Weiss, S.* ; Yao, J.* ; Zilhao, N.R.* ; Brody, J.A.* ; Braund, P.S.* ; Brumat, M.* ; Campana, E.* ; Christofidou, P.* ; Caulfield, M.J.* ; de Grandi, A.* ; Dominiczak, A.F.* ; Doney, A.S.F.* ; Eiriksdottir, G.* ; Ellervik, C.* ; Giatti, L.* ; Gögele, M.* ; Graff, C.* ; Guo, X.* ; van der Harst, P.* ; Joshi, P.K.* ; Kähönen, M.* ; Kestenbaum, B.* ; Lima-Costa, M.F.* ; Linneberg, A.* ; Maan, A.C.* ; Meitinger, T. ; Padmanabhan, S.* ; Pattaro, C.* ; Peters, A. ; Petersmann, A.* ; Sever, P.* ; Sinner, M.F.* ; Shen, X.* ; Stanton, A.* ; Strauch, K. ; Soliman, E.Z.* ; Tarasov, K.V.* ; Taylor, K.D.* ; Thio, C.H.L.* ; Uitterlinden, A.G.* ; Vaccargiu, S.* ; Waldenberger, M. ; Robino, A.* ; Correa, A.* ; Cucca, F.* ; Cummings, S.R.* ; Dörr, M.* ; Girotto, G.* ; Gudnason, V.* ; Hansen, T.* ; Heckbert, S.R.* ; Juhl, C.R.* ; Kääb, S.* ; Lehtimäki, T.* ; Liu, Y.* ; Lotufo, P.A.* ; Palmer, C.N.A.* ; Pirastu, M.* ; Pramstaller, P.P.* ; Ribeiro, A.L.P.* ; Rotter, J.I.* ; Samani, N.J.* ; Snieder, H.* ; Spector, T.D.* ; Stricker, B.H.* ; Verweij, N.* ; Wilson, J.F.* ; Wilson, J.G.* ; Jukema, J.W.* ; Tinker, A.* ; Newton-Cheh, C.H.* ; Sotoodehnia, N.*

Effects of calcium, magnesium, and potassium concentrations on ventricular repolarization in unselected individuals.

J. Am. Coll. Cardiol. 73, 3118-3131 (2019)
Publ. Version/Full Text Preprint DOI PMC
Open Access Green as soon as Postprint is submitted to ZB.
BACKGROUND Subclinical changes on the electrocardiogram are risk factors for cardiovascular mortality. Recognition and knowledge of electrolyte associations in cardiac electrophysiology are based on only in vitro models and observations in patients with severe medical conditions.OBJECTIVES This study sought to investigate associations between serum electrolyte concentrations and changes in cardiac electrophysiology in the general population.METHODS Summary results collected from 153,014 individuals (54.4% women; mean age 55.1 +/- 12.1 years) from 33 studies (of 5 ancestries) were meta-analyzed. Linear regression analyses examining associations between electrolyte concentrations (mmol/l of calcium, potassium, sodium, and magnesium), and electrocardiographic intervals (RR, QT, QRS, JT, and PR intervals) were performed. The study adjusted for potential confounders and also stratified by ancestry, sex, and use of antihypertensive drugs.RESULTS Lower calcium was associated with longer QT intervals (-11.5 ms; 99.75% confidence interval [CI]: -13.7 to -9.3) and JT duration, with sex-specific effects. In contrast, higher magnesium was associated with longer QT intervals (7.2 ms; 99.75% CI: 1.3 to 13.1) and JT. Lower potassium was associated with longer QT intervals (-2.8 ms; 99.75% CI: -3.5 to -2.0), JT, QRS, and PR durations, but all potassium associations were driven by use of antihypertensive drugs. No physiologically relevant associations were observed for sodium or RR intervals.CONCLUSIONS The study identified physiologically relevant associations between electrolytes and electrocardiographic intervals in a large-scale analysis combining cohorts from different settings. The results provide insights for further cardiac electrophysiology research and could potentially influence clinical practice, especially the association between calcium and QT duration, by which calcium levels at the bottom 2% of the population distribution led to clinically relevant QT prolongation by >5 ms.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Cohort Studies ; Electrocardiographic Intervals ; Electrolytes ; Epidemiology ; Meta-analysis; Action-potential Duration; Resting Heart-rate; Qt Interval; Electrocardiogram; Conduction; Risk; Association; Dispersion; Reduction; Council
Language
Publication Year 2019
HGF-reported in Year 2019
ISSN (print) / ISBN 0735-1097
e-ISSN 1558-3597
Journal Journal of the American College of Cardiology
Quellenangaben Volume: 73, Issue: 24, Pages: 3118-3131 Article Number: , Supplement: ,
Publisher Elsevier
Publishing Place New York, NY
Reviewing status Peer reviewed
Institute(s) Institute of Genetic Epidemiology (IGE)
Institute of Human Genetics (IHG)
Institute of Epidemiology (EPI)
POF-Topic(s) 30501 - Systemic Analysis of Genetic and Environmental Factors that Impact Health
30202 - Environmental Health
Research field(s) Genetics and Epidemiology
PSP Element(s) G-504100-001
G-500700-001
G-504000-010
G-504091-001
DOI 10.1016/j.jacc.2019.03.519
WOS ID WOS:000471773400012
Scopus ID 85067027116
PubMed ID 31221261
Erfassungsdatum 2019-06-26
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