Dual left anterior descending artery: Case series based on novel classification and its therapeutic implications

Autor: Pankaj Jariwala, MD, DNB, DNB, MNAMS, FACC, FSCAI, Fellow, ICPS, Paris, France, Kartik Jadhav, MD, DM
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Indian Heart Journal, Vol 74, Iss 3, Pp 218-228 (2022)
Druh dokumentu: article
ISSN: 0019-4832
DOI: 10.1016/j.ihj.2022.04.002
Popis: Angiographically, a “dual LAD” is described as two distinct arteries supplying the vascular territory of the LAD in parts, identified as the short LAD/LAD1 and the long LAD/LAD2. Using an easy-to-understand three-step approach, Jariwala et al unveiled a novel classification strategy for dual LAD systems in an attempt to decrease ambiguity in diagnosis and management of the anomaly. As part of our research, we looked at a wide range of published cases and case series in the literature, and also those reported from our hospital. In our novel classification system, we divide dual LADs into three main groups based on their origin and vascular territory, each of which is further divided into subgroups based on the course of LAD1/LAD2 and the variable feature that is a distinguishing attribute of the type of anomaly to be specified.A review of 144 publications in the world literature revealed 340 patients eligible for the study. The median age was 58.8 years (SD - 11.42; range - 29–89) with male predominance (3.3:1). Cases in Group I comprised 60.6% of the total cases, followed by Group II (36.2%), and Group III (3.2%). Subgroup I-A was the most common in terms of dual LAD, followed by subgroup II-A. Acute coronary syndrome (45.5%) and chronic coronary syndrome (55.8%) were the most common clinical presentations in patients with significant coronary artery disease (30.8%).
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