Why the study?
What are the causes of primary failure of CRT implantation and is a second attempt successful?
What are the causes of primary failure of CRT implantation and is a second attempt successful?
Primary failure of CRT implantation occurs in about 10% of cases, but a second attempt by the same operators can be highly successful in selected patients.
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Initial CRT failure may warrant reattempt in selected patients; leaves open optimal selection and techniques for prospective study.
Fatemi et al. (2008) studied this question.