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JCDR. 2021; 12(4): 2095-2102

Morphometric Study on the Aortic Valves in Peoples of North Bihar

Dr. Khushnuda Perween, Dr. Umesh Prasad Sinha, Dr. Sanjay Sah.


Background: The aortic valve have three cusps; each cusp is semilunar in shape and it acts
like a parachute facing into the aorta, open up when fills with blood. There is a small
thickening on the center of the free edge of each cusp, at the point where the cusps meet. This
nodule ensures central valve closure. A ridge is radiating from the nodule around the free edge
of the cusp is called lunules. Lunule and nodule, are important to understand the
physiopathology of valve regurgitation and the possibility of surgical repair. The rapid
development of the aortic valve replacement or implantation renewed interest in anatomical
study of aortic valves.
Aim of study: The main aim of present study is to investigate the detailed morphology of aortic
valves in the domiciles of North Bihar, data so collected will be useful for cardiovascular
surgeons and the prosthetic valve manufacturing companies, and applicable to the resident of
the North Bihar.
Material and method: 25 post-mortem human hearts 15 from male and 10 from female
cadaver from department of Anatomy, Government medical colleges, Bettiah, Bihar have been
utilized in the study. Circumference of valve orifice, diameter of valve orifice, length spread
and thickness of each cusp, thickness and position of nodulus, thickness of lunula and position
of each coronary orifice were calculated.
Result: this study showed that the various measurements of aortic valve of the hearts of the
males are more than the findings of female. conclusion: In this study all dimensions are less
than that of found by previous studies. The morphometric measurement of this study might
help the prosthetic valve manufacturing companies to make the valves of the exact size

Key words: aortic valve; semilunar cusps; orifice; nodules; lunules

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