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A Journal on Cardiac, Vascular and Thoracic Surgery

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The Journal of Cardiovascular Surgery 1998 February;39(1):75-8

The assess­ment of inter­nal mam­mary ­artery ­grafts by ­colour Doppler in cor­o­nary ­artery sur­gery

Sungun M., Duran E., Cebeci B. S., Us M. H., Saba D., Saygin G.

From the GATA Haydarpasa Education Hospital Department of Cardiovascular Surgery Istanbul, Turkey


Background. Various stud­ies in ­progress on the flow and diam­e­ter param­e­ters based assess­ment and suit­abil­ity of inter­nal mam­mary ­artery by pre­op­er­a­tive ­colour Doppler exam­ina­tion in cor­o­nary ­artery sur­gery. Postoperative vis­u­al­isa­tion of these ­grafts is also in evo­lu­tion. Due to its non­in­va­sive ­approach, ­colour Doppler sonog­ra­phy is tak­ing its place in the fol­low-up of cor­o­nary ­artery ­bypass pro­ce­dure. The aim of this study was to show the effec­tive­ness and fea­sibil­ity of ­colour Doppler in the rou­tine post­op­er­a­tive fol­low-up eval­u­a­tion.
Methods. In GATA Haydarpasa Education Hospital, cor­o­nary ­artery ­bypass graft­ing was performed by anas­to­mos­ing left inter­nal mam­mary ­artery to left ante­ri­or descend­ing ­artery and saph­e­nous veins to remain­ing ­lesions of the cor­o­nary arter­ies in 36 male ­patients ­between the ages of 42 to 66 (mean 54.8) in 1995. Left inter­nal mam­mary ­artery and ­unused right inter­nal mam­mary ­artery were ­imaged by ­colour Doppler six to eight weeks after the oper­a­tions in all cases. Coronary angio­gra­phy was also per­formed in two cases 4 ­months post­op­er­a­tive­ly.
Results. Colour Doppler sonog­ra­phy find­ings ­showed that the diam­e­ter of left inter­nal mam­mary ­artery was larg­er (p=0.03) and mean flow value was great­er than ­intact right inter­nal mam­mary ­artery (p=0.02).
Conclusions. These ­results shows that ­colour Doppler sonog­ra­phy ­should be ­applied as a non­in­va­sive meth­od, in the fol­low-up of inter­nal mam­mary ­artery ­grafts after cor­o­nary ­artery revas­cu­lar­isa­tion.

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