Abstract
Objective: To assess the heart rate turbulence (HRT) in patients with systolic dysfunction. Methods: From Shinken Database 2004-8 including all the new patients (n=11123), 68 patients (aged 58.9 years; 12 women) with low EF (EF 0% and TS<2.5 ms/RR) was found in 21% of low EF patients. During the follow-up period, ventricular tachycardia tended to occur frequently in these patients with abnormal HRT (38.7% vs. 52.5%). However, no significant differences were observed in the mortality and admission rate for heart failure in our particular small number of patients and during relatively short follow-up period. Conclusion: In low EF patients, TO was significantly higher and TS was significantly lower than in normal controls. However, in our study population, we could not observe any significant relations of these variables to cardiac mortality and morbidity. Future studies are needed to evaluate the validity and availability of HRT in clinical practice.
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