Complete arterial revascularization using the mammary Y-graft

Area of Science:

• Cardiovascular Surgery
• Cardiac Surgery
• Arterial Grafting

Background:

• The trend in coronary artery bypass grafting (CABG) is towards complete arterial revascularization.
• Arterial grafts offer potential advantages over venous grafts in long-term patency.
• The mammary Y-graft technique facilitates total arterial revascularization.

Purpose of the Study:

• To evaluate the feasibility and early outcomes of complete arterial revascularization using the mammary Y-graft.
• To assess the patency and clinical performance of the mammary Y-graft in CABG patients.

Main Methods:

• A cohort of five patients underwent CABG utilizing the mammary Y-graft for complete arterial revascularization.
• Postoperative outcomes were monitored, including clinical status and stress test results.
• Catheterization was performed to assess graft patency in one patient with recurrent symptoms.

Main Results:

• All five patients experienced uneventful immediate postoperative courses.
• Four out of five patients remained asymptomatic with no ischemic changes on stress tests at follow-up periods ranging from nine months to 4.5 years.
• One patient developed atypical angina five months postoperatively, with catheterization revealing a string phenomenon in the distal Y-graft, but no ischemic changes on stress testing.

Conclusions:

• Complete arterial revascularization can be successfully achieved using the mammary Y-graft technique.
• The mammary Y-graft demonstrates potential for durable and effective coronary artery bypass grafting.
• Further investigation into the long-term performance and potential complications like the string phenomenon is warranted.