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THE JOURNAL OF CARDIOVASCULAR SURGERY
Rivista di Chirurgia Cardiaca, Vascolare e Toracica
Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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ORIGINAL ARTICLES CARDIAC SECTION
The Journal of Cardiovascular Surgery 2002 April;43(2):143-6
Use of midcab procedure for redo coronary artery bypass
Pascucci S., Günkel L., Zietak T., Eschenbruch E., Tollenaere P.-J.
From the Department of Cardiovascular Surgery Herz-Zentrum Bad Krozingen Bad Krozingen, Germany
Background. Reoperative coronary artery bypass grafting (CABG) procedures are growing in importance due to the increasing number of patients requiring another bypass operation. Conventional redo-procedures are associated with an increased mortality and morbidity. To reduce risk, minimally invasive direct coronary artery bypass (MIDCAB) using the left internal mammary artery (LIMA) to the left anterior descending branch (LAD) may be preferable, when indicated, in selected patients. We report a series of patients who underwent this procedure for redo-CABG in our center.
Methods. Since April 1997, 20 male patients who had undergone prior CABG using conventional procedure, were reoperated using the LIMA to LAD through a lateral minithoracotomy on the beating heart. Nineteen patients presented for a redo-CABG; one patient required a second-time redo-CABG. Two patients required concomitant PTCA of a second vessel as hybrid procedure. We reviewed these redo cases and studied their surgical results for mortality, morbidity, operation time, and hospital stay.
Results. Mean operation time was 139 min (90-180). Four patients were extubated directly postoperatively; the others had a short period of ventilatory support. There was no myocardial infarction, no deaths or need of inotropic support postoperatively. No patient required re-exploration for bleeding. All patients could be mobilized and discharged early. At present, all patients are living and classified as CCS class I or II.
Conclusions. Our results indicate that MIDCAB using IMA grafts for reoperation is a safe procedure with low risk for morbidity and mortality. This surgical technique is a useful alternative to conventional redo CABG in selected patients when complete revascularisation is not indicated.