Piccini, J.P., Zhang, M., Pieper, K., Solomon, S.D., Al-Khatib, S.M., Van de Werf, F., Pfeffer, M.A., McMurray, J.J. , Califf, R.M. and Velazquez, E.J. (2010) Predictors of sudden cardiac death change with time after myocardial infarction: results from the VALIANT trial. European Heart Journal, 31(2), pp. 211-221. (doi: 10.1093/eurheartj/ehp425)
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Abstract
Aims: To determine whether predictors of sudden cardiac death (SCD) vary with time after myocardial infarction (MI). Methods and results: We analysed 11 256 patients enrolled in VALIANT. Landmark analysis and Cox proportional hazards modelling were used to predict SCD during hospitalization, from discharge to 30 days, 30 days to 6 months, and 6 months to 3 years. The cumulative incidence of SCD was 8.6% (n = 965). Initially, higher baseline heart rate [HR 1.20 per 10 b.p.m. (95% CI 1.06–1.37)] and impaired baseline creatinine clearance [HR 0.82 per 10 mL/min (95% CI 0.74–0.91)] were stronger predictors of SCD. With long-term follow-up, prior MI [HR 1.71 (95% CI 1.39–2.10)], initial left ventricular ejection fraction <40% [HR 0.67 per 10% (95% CI 0.58–0.78)], and recurrent cardiovascular events [HR 1.47 for rehospitalization (95% CI 1.17–1.86)] were more robust risk stratifiers for SCD. Atrial fibrillation post-MI was associated with an increased risk of SCD over the entire follow-up period. As time passed, the associations between baseline clinical characteristics and SCD decreased and time-updated assessments became more important. Conclusion: Predictors of SCD change with time after MI. Future studies of risk stratification for SCD should account for changes in these factors with time after MI.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | McMurray, Professor John |
| Authors: | Piccini, J.P., Zhang, M., Pieper, K., Solomon, S.D., Al-Khatib, S.M., Van de Werf, F., Pfeffer, M.A., McMurray, J.J., Califf, R.M., and Velazquez, E.J. |
| Subjects: | R Medicine > R Medicine (General) |
| College/School: | College of Medical Veterinary and Life Sciences > School of Cardiovascular & Metabolic Health College of Medical Veterinary and Life Sciences |
| Journal Name: | European Heart Journal |
| ISSN: | 0195-668X |
| ISSN (Online): | 1522-9645 |
| Published Online: | 23 October 2009 |
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