Overview
Ventricular pre-excitation refers to an abnormal electrical pathway that causes premature ventricular depolarization, often seen on the ECG as the delta wave, typically associated with Wolff-Parkinson-White (WPW) syndrome 12.Diagnosis
ECG Findings: Presence of delta waves and short PR interval indicative of pre-excitation 12.
Risk Stratification: Utilize both noninvasive (e.g., history, ECG findings) and invasive (electrophysiology study) parameters to assess risk of sudden cardiac death 1.
Electrophysiology Study: Considered for high-risk patients to further evaluate conduction pathways 1.Management
Risk-Based Approach: Tailor management based on individual risk stratification; surveillance for symptoms in low-risk patients 1.
Ablation: Consider catheter ablation for patients at higher risk or those preferring definitive treatment to eliminate the accessory pathway 1.
No Uniform Protocol: Avoid blanket recommendations for electrophysiology study or reassurance across all asymptomatic patients due to insufficient evidence 1.Special Populations
No Specific Guidance: Abstracts do not provide detailed recommendations for pregnancy, pediatrics, elderly, or specific comorbidities 12.Key Recommendations
Individualize risk stratification for asymptomatic patients with ventricular pre-excitation using both noninvasive and invasive methods to guide management decisions (Evidence: Moderate) 1.
Consider catheter ablation for patients identified as high-risk or those who prefer definitive treatment over surveillance (Evidence: Expert opinion) 1.
Avoid uniform protocols for electrophysiology study or reassurance without individualized risk assessment (Evidence: Expert opinion) 1.References
1 Obeyesekere MN, Klein GJ. Application of the 2015 ACC/AHA/HRS guidelines for risk stratification for sudden death in adult patients with asymptomatic pre-excitation. Journal of cardiovascular electrophysiology 2017. link
2 Anderson RH, Becker AE, Brechenmacher C, Davies MJ, Rossi L. Ventricular preexcitation. A proposed nomenclature for its substrates. European journal of cardiology 1975. link