Abstract
Fragmented QRS (fQRS) is known to be associated with a myocardial scar and is found to be associated with increased arhythmic events in several cardiac conditions. Several studies suggested the association between fQRS and collateral circulation in patients with chronic total occlusion (CTO); nonetheless, the association was inconclusive. This meta-analysis aims to investigate the association between fQRS and collateral circulation in patients with CTO.
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More From: Journal of the Society for Cardiovascular Angiography & Interventions
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