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Related Experiment Videos

CAPS--coronary-assisted perfusion system.

C Ty Walker1, Timothy M Folk, Thomas A Vassiliades

  • 1Perfusion Department, HeartFirst of Baptist Hospital, Pensacola, Florida 32522-7500, USA. Twalker@bhcpns.org

The Journal of Extra-Corporeal Technology
|October 25, 2002
PubMed
Summary
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A new coronary-assisted perfusion system (CAPS) offers a safe and cost-effective method for coronary artery bypass grafting (CABG) surgery. This innovative shunt system enhances myocardial perfusion without requiring additional hardware, simplifying the procedure.

Area of Science:

  • Cardiac Surgery
  • Cardiovascular Engineering
  • Medical Devices

Background:

  • Extracorporeal bypass circuits, specifically cardiopulmonary bypass (CPB), have been standard in coronary artery bypass grafting (CABG) for 35 years.
  • Recent advancements in surgical techniques, robotics, and cost-efficiency concerns are driving renewed focus on CABG procedures.
  • A significant shift towards off-pump CABG is occurring, with 70% of procedures at the author's hospital performed this way.

Purpose of the Study:

  • To introduce and describe a novel coronary-assisted perfusion (CAPS) system for CABG surgery.
  • To highlight the system's integration with existing cardiopulmonary bypass hardware.
  • To detail the advantages of the CAPS system in terms of safety, cost, and ease of use.

Main Methods:

Related Experiment Videos

  • Development of a simple shunt system (CAPS) utilizing existing cardiopulmonary bypass pump hardware.
  • Delivery of arterial blood to the myocardium post-distal anastomosis.
  • Regulation of blood flow via pressure monitoring (systemic or suprasystemic).
  • Maintenance of blood temperature using a Vanguard BCD heat exchanger with a temperature probe port.
  • Integration with standard infusion pumps for delivering optional agents (vasodilators, resuscitation agents).

    • Main Results:

    • The CAPS system is safe and requires no additional perfusion hardware.
    • It is cost-effective and easy to set up.
    • The system features a low and rapid prime volume.
    • Includes inflow and outflow pressure monitoring, a heat exchanger with temperature monitoring, and a drug additive port.

    Conclusions:

    • The coronary-assisted perfusion (CAPS) system provides a safe, cost-effective, and user-friendly adjunct for CABG surgery.
    • It leverages existing cardiopulmonary bypass infrastructure, minimizing the need for specialized equipment.
    • The system's design facilitates myocardial protection and allows for targeted pharmacologic interventions during CABG.