Key result
In patients developing severe ventricular arrhythmias after cardiac surgery, heart rate variability significantly decreased post-surgery (SDNN 117 vs 50 ms; P<0.001).
Population
16 patients who developed ventricular fibrillation or sustained ventricular tachycardia between 3 days and 3…
Design
Case_series
Follow-up
6 months to 10 years (mean 3 +/- 2 years)
Authors
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Postoperative HRV decline may flag arrhythmia risk after cardiac surgery; leaves open prospective validation for risk stratification.
Observational (n=16)
p-value: p=<0.001
In patients developing severe ventricular arrhythmias after cardiac surgery, those without inducible VT on electrophysiological study have an excellent prognosis and may not require an ICD, whereas those with inducible VT respond well to antiarrhythmic drugs.
BREMBILLA‐PERROT et al. (2003) conducted an observational in Severe ventricular arrhythmias after cardiac surgery (n=16). Cardiac surgery vs. Pre-surgery baseline was evaluated on Heart rate variability (SDNN) (p=<0.001). In patients developing severe ventricular arrhythmias after cardiac surgery, heart rate variability significantly decreased post-surgery (SDNN 117 vs 50 ms; P<0.001).
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