Study objective: The purpose of this study was to investigate the use
of an intracoronary cannula during minimally invasive direct coronary
artery bypass (MIDCAB) surgery. Design: Evaluation of the coronary per
fusion catheter was conducted during MIDCAB surgery to determine if th
ere was any trauma to the coronary artery. The study was retrospective
with 45% follow-up arteriograms. Setting: A community hospital provid
ed the setting for the study. Twenty patients undergoing MIDCAB surger
y were included. Interventions: Insertion of an intracoronary cannula
was performed during MIDCAB surgery. Measurements and Results: Measure
ments were determined on 45% follow-up arteriograms, and clinical foll
ow-up was done on patient status. Conclusion: The use of an intracoron
ary cannula during MIDCAB surgery did not result in any trauma to the
cannulated coronary artery. The cannula prevented ischemia of the serv
ice area of the target coronary artery. ECG changes were avoided as we
re hypotension and arrhythmias. The cannula also helped stabilize the
target coronary area during suturing.