Differential effects on out-of-hospital cardiac arrest of dihydropyridines: real-world data from population-based cohorts across two European countries

Talip E. Eroglu, Grimur H. Mohr, Marieke T. Blom, Arie O. Verkerk, Patrick C. Souverein, Christian Torp-Pedersen, Fredrik Folke, Mads Wissenberg, Lettine van den Brink, Richard P. Davis, Anthonius de Boer, Gunnar H. Gislason, Hanno L. Tan

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

AIMS: Various drugs increase the risk of out-of-hospital cardiac arrest (OHCA) in the general population by impacting cardiac ion channels, thereby causing ventricular tachycardia/fibrillation (VT/VF). Dihydropyridines block L-type calcium channels, but their association with OHCA risk is unknown. We aimed to study whether nifedipine and/or amlodipine, often-used dihydropyridines, are associated with increased OHCA risk, and how these drugs impact on cardiac electrophysiology. METHODS AND RESULTS: We conducted a case-control study with VT/VF-documented OHCA cases with presumed cardiac cause from ongoing population-based OHCA registries in the Netherlands and Denmark, and age/sex/index date-matched non-OHCA controls (Netherlands: PHARMO Database Network, Denmark: Danish Civil Registration System). We included 2503 OHCA cases, 10 543 non-OHCA controls in Netherlands, and 8101 OHCA cases, 40 505 non-OHCA controls in Denmark. To examine drug effects on cardiac electrophysiology, we performed single-cell patch-clamp studies in human-induced pluripotent stem cell-derived cardiomyocytes. Use of high-dose nifedipine (≥60 mg/day), but not low-dose nifedipine (
Original languageEnglish
Pages (from-to)347-355
Number of pages9
JournalEuropean heart journal. Cardiovascular pharmacotherapy
Volume6
DOIs
Publication statusPublished - Nov 2020

Keywords

  • Amlodipine
  • Epidemiology
  • Nifedipine
  • Sudden cardiac arrest
  • action potential
  • adult
  • article
  • calcium current
  • cardiac muscle cell
  • case control study
  • controlled study
  • Denmark
  • drug effect
  • drug megadose
  • female
  • heart electrophysiology
  • heart ventricle tachycardia
  • human
  • human cell
  • induced pluripotent stem cell
  • ischemic heart disease
  • low drug dose
  • major clinical study
  • male
  • Netherlands
  • out of hospital cardiac arrest
  • patch clamp technique
  • sudden cardiac death
  • titrimetry
  • amlodipine
  • calcium channel L type
  • endogenous compound
  • nifedipine
  • nitric acid derivative

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