Cardiopulmonary bypass
Cardiopulmonary Bypass (CPB) is a machine that temporarily takes over the function of the heart and lungs during a cardiac surgery by maintaining the circulation of blood and oxygen throughout the body.
| Cardiopulmonary bypass | |
|---|---|
A heart–lung machine (upper right) in a coronary artery bypass surgery. | |
| ICD-10-PCS | 12 |
| ICD-9-CM | 39.61 |
| MeSH | D002318 |
| OPS-301 code | 14 |
| Other codes | 22570829 |
CPB is used during many heart surgeries to improve the safety of the patient during a heart procedure. The machine mechanically circulates and oxygenates blood throughout the patient's body while bypassing the heart and lungs. Additionally, it maintains perfusion to other body organs and tissues of the patient while the surgeon works in a bloodless surgical field.
The CPB is often referred to as a heart-lung machine, "the pump," or CPB pumps. CPB is operated by perfusionists, and is a form of extracorporeal circulation.
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