IJAR.2020.135
Type of Article: Original Research
Volume 8; Issue 3.2 (August 2020)
Page No.: 7639-7643
DOI: https://dx.doi.org/10.16965/ijar.2020.135
THE RELATION BETWEEN CORONARY DOMINANCE AND MULTIVESSEL INVOLVEMENT
S. Priyadharshini *1, M. Sivakumar 2, Mark Christopher Arokiaraj 3, V.Nagaguhan 4.
*1 Associate Professor, Department of Anatomy, Alluri Sitaramaraju Academy of Medical Sciences, Malakkapuram, Eluru, west Godavari, Andhra Pradesh, India.
2 Professor, Department of Anatomy, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India.
3 Professor and HOD, Department of Cardiology, Pondicherry Institute of Medical Sciences, Ganapathichettikulam, Kalapet, India.
4 Assistant professor, Department of Biochemistry, All India Institute of Medical Sciences, Mangalagiri, Guntur, Andhra Pradesh, India.
Corresponding Author: Dr. S.Priyadharshini, Associate Professor, Associate Professor, Department of Anatomy, Alluri Sitaramaraju Academy of Medical Sciences, Malakkapuram, Eluru, west Godavari, Andhra Pradesh, India. E-Mail: guhan_priya@yahoo.in
ABSTRACT
Background: Triple-vessel disease (TVD) is a type of CAD since it involves significant stenosis in any three of the major coronary arteries. Currently, there is not much literatures about the relationship between coronary artery dominance and multivessel disease. Therefore, we conducted this study to investigate the type of dominance and number of vessels involved arteries by coronary angiogram in and around the puducherry population.
Aims and objectives: To study the coronary dominance patterns with co morbid conditions such as the number of vessels involved in each.
Materials and Methods: 200 adult coronary angiogram were studied during angiography. The Dominance is identified by the origin of posterior interventricular artery. Coronary artery disease is considered significant if the stenosis is >70% in the luminal diameter of anterior interventricular artery, right coronary artery and circumflex artery.
Results: In this study, Single vessel disease was found to be common among all types of dominance being 54.8% in right dominance, 52.2% in left dominance and 59.3% in co dominance. AIVA or LAD was the most commonly affected single vessel irrespective of the type of dominance. (50 to 75%)
Conclusion: Single vessel disease was found to be common in all types of dominance when compared to double vessel or triple vessel diseases. The Anterior Inter ventricular artery was the most common vessel involved in all types of dominance followed by RCA and circumflex artery.
KEY WORDS: Coronary Arterial Disease, Triple Vessel Disease, Coronary Dominance, Coronary Arteries.
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