PT - JOURNAL ARTICLE AU - Zarifyan, Alla ED - Parkash, Ratika TI - CREDO DP - 2015 Aug 02 TA - MD Conference Express PG - 14--14 VI - 15 IP - 12 4099 - http://mdc.sagepub.com/content/15/12/14.short 4100 - http://mdc.sagepub.com/content/15/12/14.full AB - The observational CREDO study of Riata silicone endocardial defibrillation leads demonstrates that the average rate of electrical failure for 7 French and 8 French Riata leads was 5.9% over a mean follow-up of 7.5 years, with a trend toward a higher failure rate with cable externalization with 8 Fr leads.