Journal of the American College of Cardiology · 2011
The early repolarization pattern in the general population: clinical correlates and heritability.
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Noseworthy Peter A, Tikkanen Jani T, Porthan Kimmo, Oikarinen Lasse, Pietilä Arto, Harald Kennet, Peloso Gina M, Merchant Faisal M, Jula Antti, Väänänen Heikki, Hwang Shih-Jen, O'Donnell Christopher J, Salomaa Veikko, Newton-Cheh Christopher, Huikuri Heikki V
Аннотация
OBJECTIVES: This study sought to describe the clinical correlates and heritability of the early repolarization pattern (ERP) in 2 large, population-based cohorts.
BACKGROUND: There is growing recognition that ERP is associated with adverse outcomes.
METHODS: Participants of the Framingham Heart Study (FHS) (N = 3,995) and the Health 2000 Survey (H2K) (N = 5,489) were included. ERP was defined as a J-point elevation ≥0.1 mV in ≥2 leads in either the inferior (II, III, aVF) or lateral (I, aVL, V(4-6)) territory or both. We tested the association between clinical characteristics and ERP, and estimated sibling recurrence risk.
RESULTS: ERP was present in 243 of 3,955 (6.1%) of FHS and 180 of 5,489 (3.3%) of H2K subjects. Male sex, younger age, lower systolic blood pressure, higher Sokolow-Lyon index, and lower Cornell voltage were independently associated with the presence of ERP. In the FHS sample, siblings of individuals with ERP had an ERP prevalence of 11.6% (recurrence risk ratio of 1.89). Siblings of individuals with ERP had an increased unadjusted odds of ERP (odds ratio: 2.22, 95% confidence interval: 1.01 to 4.85, p = 0.047).
CONCLUSIONS: ERP has strong association with clinical factors and has evidence for a heritable basis in the general population. Further assessment of the genetic determinants of ERP is warranted.
BACKGROUND: There is growing recognition that ERP is associated with adverse outcomes.
METHODS: Participants of the Framingham Heart Study (FHS) (N = 3,995) and the Health 2000 Survey (H2K) (N = 5,489) were included. ERP was defined as a J-point elevation ≥0.1 mV in ≥2 leads in either the inferior (II, III, aVF) or lateral (I, aVL, V(4-6)) territory or both. We tested the association between clinical characteristics and ERP, and estimated sibling recurrence risk.
RESULTS: ERP was present in 243 of 3,955 (6.1%) of FHS and 180 of 5,489 (3.3%) of H2K subjects. Male sex, younger age, lower systolic blood pressure, higher Sokolow-Lyon index, and lower Cornell voltage were independently associated with the presence of ERP. In the FHS sample, siblings of individuals with ERP had an ERP prevalence of 11.6% (recurrence risk ratio of 1.89). Siblings of individuals with ERP had an increased unadjusted odds of ERP (odds ratio: 2.22, 95% confidence interval: 1.01 to 4.85, p = 0.047).
CONCLUSIONS: ERP has strong association with clinical factors and has evidence for a heritable basis in the general population. Further assessment of the genetic determinants of ERP is warranted.