ArticleJTCVS open2026
Influence of stenosis between left anterior descending and diagonal arteries on long-term patency and ischemic events after coronary bypass surgery.
Article in JTCVS open, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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10 authors.
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Abstract
Objective: The study objective was to evaluate stenosis severity influence in the intervening left anterior descending artery, between the internal thoracic artery anastomosis and the diagonal branch bifurcation, on internal thoracic artery left anterior descending graft events in patients undergoing coronary artery bypass grafting. Methods: We analyzed 496 patients undergoing primary coronary artery bypass grafting with internal thoracic artery left anterior descending and diagonal grafts. Stratified analysis was based on intervening left anterior descending artery stenosis severity (nonsevere <90%, n = 161; severe ≥90%, n = 335). The primary end point was freedom from internal thoracic artery left anterior descending events (composite of myocardial infarction, reintervention, and occlusion/string sign). Median follow-up was 6.8 years. Results: The nonsevere group was younger, with more left main disease, but fewer sequential grafts ( Conclusions: Nonsevere intervening left anterior descending artery stenosis independently predicted internal thoracic artery left anterior descending events. Sequential diagonal grafting significantly mitigated this risk. Thus, a grafting strategy considering intervening left anterior descending artery stenosis is essential to ensure long-term internal thoracic artery left anterior descending patency.
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