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[Composite arterial conduits with internal thoracic artery and radial artery for a myocardial revascularization]
G Watanabe1, K Ueyama, T Misaki
1Department of Surgery (1), Toyama Medical and Pharmaceutical University, Japan.
Insights
This study shows that using composite arterial grafts with the internal thoracic artery and radial artery for myocardial revascularization is safe and effective. These grafts demonstrate high patency rates in patients with complex coronary artery disease.
Area of Science:
- Cardiovascular Surgery
- Vascular Grafting
- Coronary Artery Bypass Grafting
Context:
- Coronary artery disease necessitates advanced surgical interventions.
- Composite arterial grafts offer potential advantages over traditional bypass methods.
- Internal thoracic artery (ITA) and radial artery (RA) are viable conduits.
Purpose:
- To evaluate the feasibility and early outcomes of composite arterial grafts using ITA and RA.
- To assess the safety and patency rates of these grafts in myocardial revascularization.
- To determine the efficacy of branched composite grafts in treating complex coronary artery disease.
Summary:
- Fifteen patients underwent myocardial revascularization using composite arterial conduits (ITA-RA).
- No operative deaths occurred.
- Early postoperative angiography revealed a 93.3% patency rate for the composite grafts.
Impact:
- The ITA-RA composite arterial graft is a feasible and safe option for myocardial revascularization.
- This technique shows promising results for patients with double or triple vessel disease or left main disease.
- High graft patency supports the use of composite arterial grafts in cardiac surgery.
Abstract:
From April 1996 to December 1996, 15 patients were submitted to myocardial revascularization using composite arterial conduit with internal thoracic artery (ITA) and radial artery (RA). The age ranged from 51 to 76 years (mean age, 65.7 years); Forty patients were male. All patients had double or triple vessel disease or LMT disease. We used 28 arterial conduits including 15 left ITAs, 15 RA, 9 right gastroepiploic artery and one inferior epigastric artery. 15 RAs were anastomosed to LITAs and 15 composite arterial conduits were constructed (branched in 15). There was no operative deaths. Early postoperative angiographic controls demonstrated 93.3% (14/15) patency of composite grafts in 14 of 15 patients. The composite arterial graft using ITA and RA is feasible and the anastomoses so performed are completely safe.