To the Editor: The study by Dr Al-Khatib and colleagues1 reported that 22.5% of primary prevention ICD implants in the United States do not meet evidence-based guidelines. It has been interpreted to mean that these implants were unnecessary.2
Blake K, Swerdlow CD. ICD Implantation and Evidence-Based Patient Selection. JAMA. 2011;305(15):1537–1540. doi:10.1001/jama.2011.457
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