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Published on: October 20, 2010
[Intraoperative graft assessment using fluorescent imaging system (SPY)]
T Kawashima1, S Naraoka, T Kakizaki
1Department of Cardiovascular Surgery, Caress Sapporo Hokko Memorial Hospital, Sapporo, Japan.
Kyobu Geka. the Japanese Journal of Thoracic Surgery
|July 11, 2009
Summary
The SPY imaging system effectively validates coronary artery bypass grafting (CABG) anastomoses, aiding in improved graft patency rates. This technology helps identify issues during surgery, leading to necessary revisions for better patient outcomes.
Area of Science:
- Cardiovascular Surgery
- Medical Imaging
- Surgical Technology
Context:
- Coronary artery bypass grafting (CABG) is a critical procedure for treating coronary artery disease.
- Ensuring the patency of bypass grafts is paramount for successful surgical outcomes.
- Intraoperative assessment of graft integrity is essential to minimize postoperative complications.
Purpose:
- To evaluate the efficacy of the SPY intraoperative fluorescent imaging system in assessing coronary artery bypass graft (CABG) anastomoses.
- To determine the impact of SPY imaging-guided graft revisions on postoperative graft patency.
Summary:
- A study involving 100 CABG procedures (287 distal anastomoses) utilized the SPY imaging system for intraoperative assessment.
- SPY imaging identified 10 cases requiring graft revision (4.5% of anastomoses), all demonstrating good patency postoperatively.
- A small discrepancy was noted where 2.8% of grafts appeared patent on SPY imaging but were occluded on postoperative angiography.
Impact:
- The SPY imaging system demonstrates utility in intraoperative graft validation during CABG.
- Real-time assessment and potential for immediate revision can contribute to enhanced long-term graft patency.
- This technology may play a role in improving the overall success rates of coronary bypass surgery.

