A male asked:
new onset cardiomyopathy. risk for sudden cardiac death and ventricular tachycardia.....?
1 doctor answer
Dr. Alan Heldman answered
32 years experience Cardiology
Bridging the waiting period with a Wearable Defibrillator Vest: Is a wearable defibrillator (WCD) is indicated after diagnosis of NICM, but before criteria for an ICD are met? It is a common scenario. Criteria for an ICD in patients with new NICM require waiting to assess the EF response to treatment (1). In one abstract appropriate shocks were delivered in 7% of pts with an initial diagnosis of NICM (2) -- higher than might have been predicted, as an ICD study in similar pts found a rate of SCD of 1% per year (2). The level of evidence (3) for use of the WCD during the waiting period is low (4) but the stakes may be high. We need more data and professional guidelines. (1) Bridging a Temporary High Risk of Sudden Arrhythmic Death. Experience with the WCD. PACE 2010 (2) Experience with WCD in NICM: A National Database Analysis. JACC 2014 (3) Grading the Strength of a Body of Evidence When Comparing Medical Interventions. Agency for Healthcare Research and Quality. (4) EFFECTIVENESS OF WCD. Int J of Technology Assessment in Health Care 2014
Answered on Jun 12, 2017
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