Graeff, P.A. de

death non-cardiac qtc-prolonging drugs non-cardiac qtc-prolonging medication index date population arrhythmia pointe torsade study record prolongation control qtc interval interval index signi ficantly cisapride antipsychotic cause health unwitnessed signi source population misclassi fication heart ipci project risk factors factor exposure domperidone fication netherland noncardiac qtc-prolonging drugs prescription patient non-cardiac qtcprolonging drug identi fied fi ndings effect table 2 table nding alcohol abuse practice drug-induced information hypertension project period analyses result antibiotic gender non-cardiac qtc-prolonging drug classi non-cardiac drugs classi fied ficantly qt interval prolongation wellens hj evidence cisapride users unwitnessed cases study period non-cardiac qtc-prolonging medication qt prolongation misclassi strau european society 1 january 1995 qtcprolonging heart failure sturkenboom mc calendar time drug development erythromycin report number