Aortic counterpulsation: C-pulse and other devices for cardiac support

Area of Science:

• Cardiology
• Biomedical Engineering

Background:

• Heart failure is a primary cause of hospitalization in the USA, with many patients progressing to advanced stages requiring mechanical circulatory support or heart transplantation.
• The shortage of donor hearts necessitates alternative therapies for end-stage heart failure.
• Counterpulsation therapy, a form of mechanical circulatory support, is widely used, with over 150,000 patients globally receiving it annually for conditions like cardiogenic shock.

Purpose of the Study:

• To provide an overview of different aortic counterpulsation devices.
• To focus on the C-Pulse device as a novel approach for advanced heart failure management.
• To highlight the C-Pulse device's potential for long-term circulatory support in symptomatic heart failure patients.

Main Methods:

• Review of existing counterpulsation therapies.
• Detailed examination of the C-Pulse device, an extra-aortic balloon (EAB) counterpulsation system.
• Description of the C-Pulse device's design for non-blood-contacting, partial circulatory support.

Main Results:

• The C-Pulse device is designed for permanent, long-term, continuous partial circulatory support.
• It targets New York Heart Association (NYHA) Class III and ambulatory Class IV heart failure patients.
• A pivotal multicenter US study is underway to evaluate the safety and efficacy of the C-Pulse device.

Conclusions:

• The C-Pulse device represents a novel extra-aortic balloon counterpulsation approach for advanced heart failure.
• It aims to manage patients who remain symptomatic despite optimal medical and device-based therapies.
• Further clinical evaluation is ongoing to establish its role in heart failure management.