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The de-airing clamp in cardiac surgery
1Department of Cardiovascular Surgery, Sahlgrenska Hospital, Gothenburg University, Sweden.
Summary
A novel aortic clamp aids in de-airing the heart during open-heart surgery. This specialized clamp helps remove residual air, improving patient safety post-procedure.
Area of Science:
- Cardiovascular Surgery
- Medical Device Design
- Anesthesiology
Background:
- De-airing the heart is a critical step in open-heart surgery.
- Residual air in the heart can lead to complications after aortic cross-clamp removal.
Purpose of the Study:
- To describe a specially designed clamp for continued de-airing of the heart.
- To report clinical experience with this novel aortic clamp.
Main Methods:
- A specialized clamp was designed to partially occlude the ascending aorta, creating a pocket for air trapping.
- The clamp was used in 250 patients undergoing open-heart surgery.
- Post-procedure, 50% of patients underwent ultrasonography to assess for air bubbles.
Main Results:
- The clamp facilitated the trapping of residual air from the left ventricle.
- Ultrasonography confirmed the absence of air bubbles in 50% of patients within 20 minutes of aortic cross-clamp release.
- The device has been in use since 1990, indicating sustained utility.
Conclusions:
- The described aortic clamp is an effective tool for de-airing the heart during open-heart surgery.
- Its use can help minimize residual air, potentially reducing post-operative complications.
- The clamp represents a valuable addition to surgical instruments for cardiac procedures.