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Piggyback anastomosis using a single Heartstring device: A low-invasiveness, low-cost technique
Azumi Hamasaki1, Tetsuro Uchida2, Yoshinori Kuroda1
1Second Department of Surgery Yamagata University Faculty of Medicine Yamagata, Japan.
Multimedia Manual of Cardiothoracic Surgery : MMCTS
|December 24, 2019
Summary
Coronary artery bypass grafting (CABG) patients benefit from a new piggyback anastomosis technique. This method, using a single Heartstring device, reduces aortic invasion and costs while maintaining safety.
Area of Science:
- Cardiovascular Surgery
- Medical Devices
- Minimally Invasive Procedures
Background:
- Coronary artery bypass grafting (CABG) offers superior long-term outcomes compared to catheter interventions but has a higher risk of perioperative stroke.
- Cerebral complications during CABG can be mitigated by epiaortic ultrasound, avoiding aortic clamping, and employing anastomosis assist devices.
- Multivessel bypass grafting often requires multiple proximal anastomoses, increasing aortic manipulation.
Discussion:
- The piggyback anastomosis technique consolidates multiple proximal anastomoses into one site, reducing aortic invasion and the need for multiple devices, thereby lowering costs.
- The Heartstring device is a minimally invasive option for anastomosis, but its irreversible removal poses challenges for potential repairs without aortic clamping.
- A novel, safe method for performing piggyback anastomosis using a single Heartstring device has been developed, enhancing procedural safety and efficiency.
Key Insights:
- A safe and cost-effective method for piggyback anastomosis using a single Heartstring device has been established.
- This technique minimizes aortic invasiveness, crucial for reducing perioperative stroke risk in CABG patients.
- The procedure streamlines the grafting process, potentially reducing operating time and resource utilization.
Outlook:
- Further clinical validation is needed to assess the long-term efficacy and safety of this specific piggyback anastomosis technique.
- Investigating modifications to the Heartstring device or alternative devices could further enhance the safety profile of irreversible anastomosis procedures.
- This approach holds promise for improving patient outcomes and reducing healthcare costs in complex CABG procedures.

