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What are the advantages or disadvantages of having a short or long left main coronary artery ?

Posted Mar 26 2009 3:54pm

Left main coronary artery disease is  a  major form of CAD .

left-main-41 A long left main by virtue of  it’s surface area   statistically ,  are  more prone for atherosclerosis as it preferentially affect the proximal vessel.A long and tubular leftmain generally give  the LCX branch at right angles(In the above pateint it is 90*).This makes  interventions in Lcx difficult.

A short leftmain or absent leftmain could be a blessing for the simple reason these people have the unique freedom from developing left main disese the dreaded form of  CAD !

Have a look at this angiogram


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