To assess potential link between unrecognized myocardial inflammation (myocarditis) and premature ventricular contractions (PVCs) associated with and without reduced Left ventricular ejection fraction (LVEF) through comprehensive diagnostic work up.
Hypothesized that occult inflammation is clinically under-recognized in patients with symptomatic PVCs with and without Left ventricular (LV) dysfunction and can be a potential link between the 2 conditions. Aimed to evaluate the incidence of underlying inflammation using the Positron emission tomography (PET) scan in patients presenting with symptomatic PVCs enrolled retrospectively in the MAVERIC registry.
Study Type
OBSERVATIONAL
Enrollment
100
Kansas City Heart Rhythm Institute
Overland Park, Kansas, United States
Identify the underlying myocarditis in patients presenting with PVCs with or without reduced LVEF
To identify the underlying myocarditis in patients presenting with PVCs with or without reduced LVEF through laboratory testing, FDG-PET(18F-2-fluoro-2-deoxy-D-glucose fluorodeoxyglucose - positron emission tomography) scan, Cardiac Magnetic Resonance imaging and/or Endomyocardial biopsy.
Time frame: Retrospective Collection between dates January 2014-January 2023
Ascertain whether immunosuppressive therapy (IST) affords short term and long term improvement of LVEF and clinical outcomes
To ascertain whether immunosuppressive therapy (IST) affords short term and long term improvement of LVEF and clinical outcomes in virus negative and FDG-PET positive patients with non-ischemic cardiomyopathy, myocardial inflammation and PVCs.
Time frame: Retrospective Collection between dates January 2014-January 2023
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