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Hemopump support for the failing heart
S J Phillips1, L Barker, B Balentine
1Department of Cardiovascular Medicine and Surgery, Mercy Hospital Medical Center, Des Moines, Iowa.
ASAIO Transactions
|July 1, 1990
Summary
The hemopump offers effective left ventricular support for cardiogenic shock patients. This less invasive system shows promise for improving outcomes in critical cardiac conditions.
Area of Science:
- Cardiovascular Surgery
- Medical Devices
- Critical Care Medicine
Background:
- Refractory cardiogenic shock necessitates advanced circulatory support.
- Conventional transthoracic systems present significant invasiveness.
- Intraaortic balloons were insufficient for hemodynamic stabilization in these patients.
Observation:
- A novel hemopump system was evaluated in five patients with refractory cardiogenic shock.
- The hemopump was inserted via a femoral artery chimney under fluoroscopic guidance.
- Patients had undergone complex cardiac surgeries or interventions prior to support.
Findings:
- Successful hemopump placement was achieved in four out of five patients.
- Average insertion time was 20 minutes, with a mean support duration of 13 hours.
- One patient survived and remains well 1 year post-support, demonstrating long-term benefit.
Implications:
- The hemopump represents a less invasive alternative to traditional transthoracic support systems.
- Successful application may improve survival rates in patients with severe cardiogenic shock.
- Further research is warranted to optimize patient selection and device utilization.