Arindom Banerjee1, Anirban Das Gupta2
With the advent of coronary angiography, coronary artery diseases can be well combated; but with time sedentary life
style and stress as our constant partner have kept coronary artery disease as one of the major causes of death.
Revascularization procedures demand a sound knowledge of the course of coronary arteries and their branches, both normal
and their quite common variations. In this regard, posterior inter-ventricular artery (PIVA) deserves a special importance; PIVA
determines the coronary dominance depending on its parent artery. Dominance can be right, left or of balanced type. Balanced
type means that PIVA is derived from both right & left coronary arteries. Circulation can occur when both the coronary arteries
emit a branch in that area. These and other variations form a very important repertoire of information based on which coronary
bypass surgery and angioplasty can be safely and effectively performed. The aim of this study therefore is to document the
coronary dominance pattern in this East Godavari district of Andhra-Pradesh.
60 adult human hearts were collected from museum of Anatomy department during the tenure of 5 years (2009 to 2014)
and were preserved in 10% formalin. The hearts were dissected carefully to observe the posterior inter-ventricular artery in
the posterior inter-ventricular sulcus of each heart and dominance pattern was recorded.
In our present study right dominance type was the commonest (46 out of 60) followed by left dominance (10 out of 60).
Only 4 out of 60 were of the balanced type.
Present study, though not of the only member of its kind will definitely add up to the already existing vast knowledge,
based on which various diagnostic and therapeutic intervention of coronary artery diseases can be done effectively and safely.
