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Eur J Cardiothorac Surg 2002;22:261-265
© 2002 Elsevier Science NL

Integrated minimally invasive direct coronary artery bypass grafting and angioplasty for coronary artery revascularization

^a First Department of Cardiac Surgery, Medical University of Silesia, Katowice, Poland
^b First Department of Cardiology, Medical University of Silesia, Katowice, Poland
^c Department of Cardio-anesthesiology, Medical University of Silesia, Katowice, Poland

Received 25 November 2001; received in revised form 9 April 2002; accepted 23 April 2002.

* Corresponding author. ul. Ziolowa 47/45, 40-635 Katowice, Poland. Fax:+48-32-253000
e-mail: cisowskim{at}yahoo.com

Objective: Minimally invasive direct coronary artery bypass (MIDCAB) through the anterolateral minithoracotomy has become a promising therapeutic option in patients with lesion in left anterior descending artery (LAD), especially in multimorbid, elderly and reoperated patients with type C or B lesions. To expand the benefits of MIDCAB concept to patients with multivessel disease, a hybrid myocardial revascularization procedure (HMR) combining surgery of the LAD with interventional procedures for additional coronary lesions has recently been introduced. Methods: Between January 1999 and September 2001, 50 patients (37 male, 13 female, mean age 54.8±20.1 years) underwent an HMR procedure. MIDCAB with endoscopic left internal thoracic artery (LITA) harvesting, followed by percutaneous coronary intervention (PCI) for additional coronary lesions and percutaneous transluminal coronary angioplasty (PTCA), was performed in 11 patients (22%) and stenting in 39 patients (78%). Angiographic assessment of graft patency was performed in all patients during the PCI procedure. The clinical follow-up period was 3–32 months. Results: There were no early and late deaths. Baseline Canadian Cardiology Society (CCS) class was 2.8±0.7 versus 1.1±0.9 (P<0.001) 30 days after HMR procedure. There were no major acute in–hospital cardiac events. Angiographic studies showed patent LIMA-LAD graft in 50 patients (100%). We showed good quality of anastomosis in 49 patients (98%). There was a moderate graft stenosis in one patient (2%). At long term follow-up, the rate of major cardiac events was 12%. Five patients (10%) developed restenosis after PCI, and one patient (2%) developed significant stenosis in site of LITA-LAD anastomosis; redo PCI was performed successfully. Conclusions: The hybrid procedure is a safe and effective method for complete revascularization in selected patients with double-vessel coronary artery disease (patients with type B or C lesions in the proximal LAD). This method allows performance of complete revascularization with minimization of surgical trauma. So far, long-term results of HMR are limited by the results of PCI.

Key Words: Minimally invasive coronary artery bypass • Percutaneous transluminal coronary angioplasty • Hybrid myocardial revascularization

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