International journal of cardiology · 2019
Risk factors for primary ventricular fibrillation during a first myocardial infarction: Clinical findings from PREDESTINATION (PRimary vEntricular fibrillation and suDden dEath during firST myocardIal iNfArcTION).
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод пока не подготовлен
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De Ferrari Gaetano M, Dusi Veronica, Ruffinazzi Marta, Masiello Lucrezia C, Ruffino Enrico, Cacciavillani Luisa, Noussan Patrizia, Zacà Valerio, Sanna Tommaso, Lazzarotti Marina L, Usmiani Tullio, Gnecchi Massimiliano, Parati Gianfranco, Crotti Lia, Schwartz Peter J, ESCAPE-NET Investigators
Аннотация
BACKGROUND: Few studies prospectively assessed risk factors for ventricular fibrillation (VF) during a first myocardial infarction (MI). We designed a nation-wide study aiming to identify clinical and genetic characteristics associated with primary VF; and report here about clinical features.
METHODS: PREDESTINATION (PRimary vEntricular fibrillation and suDden dEath during a firST myocardIal iNfArcTION) is an Italian case-control, prospective multicentre study. Cases are patients aged 18-80 years with a first MI and at least one VF episodes occurring within 24 h of symptoms onset, before reperfusion. Cases and controls are paired 1: 2 by gender and age (±5 years).
RESULTS: Among 1026 patients enrolled between 2007 and 2017, 970 entered the primary analysis: 375 cases and 595 controls (mean age 59 years, 85% males). Multivariable analysis identified 5 independent predictors of primary VF: systolic blood pressure (OR 0.982, 95% CI: 0.98-0.99 for each mm Hg) and K+ levels <3.5 mEq/L at presentation (OR 2.28, 95% CI: 1.6-3.3), family history of sudden death (OR 1.80, 95% CI: 1.1-3.0), physical inactivity (OR 1.73, 95% CI: 1.1-2.8) and anterior MI (OR 1.52, 95% CI: 1.1-2.1). Excluding K+ levels obtained after VF, the OR associated with K+ levels <3.5 mEq/L was1.99 (95 CI 1.22-3.21).
CONCLUSIONS: The present study identified 5 independent predictors of primary VF: familiarity, anterior MI, low systolic blood pressure, physical inactivity and hypokalaemia. Importantly, the last two risk factors are modifiable and, especially in the presence of a family history of sudden death, they should be avoided as much as possible.
METHODS: PREDESTINATION (PRimary vEntricular fibrillation and suDden dEath during a firST myocardIal iNfArcTION) is an Italian case-control, prospective multicentre study. Cases are patients aged 18-80 years with a first MI and at least one VF episodes occurring within 24 h of symptoms onset, before reperfusion. Cases and controls are paired 1: 2 by gender and age (±5 years).
RESULTS: Among 1026 patients enrolled between 2007 and 2017, 970 entered the primary analysis: 375 cases and 595 controls (mean age 59 years, 85% males). Multivariable analysis identified 5 independent predictors of primary VF: systolic blood pressure (OR 0.982, 95% CI: 0.98-0.99 for each mm Hg) and K+ levels <3.5 mEq/L at presentation (OR 2.28, 95% CI: 1.6-3.3), family history of sudden death (OR 1.80, 95% CI: 1.1-3.0), physical inactivity (OR 1.73, 95% CI: 1.1-2.8) and anterior MI (OR 1.52, 95% CI: 1.1-2.1). Excluding K+ levels obtained after VF, the OR associated with K+ levels <3.5 mEq/L was1.99 (95 CI 1.22-3.21).
CONCLUSIONS: The present study identified 5 independent predictors of primary VF: familiarity, anterior MI, low systolic blood pressure, physical inactivity and hypokalaemia. Importantly, the last two risk factors are modifiable and, especially in the presence of a family history of sudden death, they should be avoided as much as possible.