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Coronary artery variations and median artery in Turkish cadaver hearts.
MedLine Citation:
PMID:  21103812     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
INTRODUCTION: This study examined the routes and variations of the left coronary artery (LCA), the right coronary artery (RCA), and their branches, as well as the frequency of a median artery in cadaver hearts.
METHODS: The hearts of 50 adult Turkish cadavers from various centres were dissected.
RESULTS: The LCAs branched out of the aortic sinus and had an average diameter of 4.44 +/- 1.79 mm. They gave rise to two branches (bifurcation) in 46 percent, three branches (trifurcation) in 44 percent and four branches (quadrifurcation) in ten percent of the hearts. The median artery was identified in 27 hearts, with a mean diameter of 2.00 mm (standard deviation 0.67). The RCAs branched out from the right aortic sinus and had an average diameter of 3.32 +/- 0.79 mm. The conus branch, classically known as a branch of the RCA, branched out from the RCA in 32 percent of the hearts and from the right aortic sinus in 68 percent. Right dominance was observed in 42 percent, left dominance in 14 percent, and equal dominance in 44 percent of the hearts. Myocardial bridges were found on the LCA branches in 22 of the 27 hearts in which the median artery existed.
CONCLUSION: There is a close relationship between the existence of the median artery and myocardial bridges. This suggests that the median artery might be important in myocardial bridges, which exist in embryos but do not result in any clinical symptoms for many years in a large number of people.
Authors:
Z Fazliogullari; A K Karabulut; N Unver Dogan; I I Uysal
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Singapore medical journal     Volume:  51     ISSN:  0037-5675     ISO Abbreviation:  Singapore Med J     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-11-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0404516     Medline TA:  Singapore Med J     Country:  Singapore    
Other Details:
Languages:  eng     Pagination:  775-80     Citation Subset:  IM    
Affiliation:
Department of Anatomy, Meram Medical Faculty, Selçuk University, Konya 42080, Turkey.
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