Related Experiment Videos
Beating coronary bypass with right-heart bypass. A safer option in patients at high risk for stroke
Toshiki Takahashi1, Shigeaki Ohtake, Yoshiki Sawa
1Department of Surgery, Course of Interventional Medicine (E1), Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan.
Insights
Right-heart bypass supports stable hemodynamics during beating heart coronary artery bypass surgery. This technique enhances safety for patients with severe carotid artery disease needing complete revascularization.
Area of Science:
- Cardiovascular Surgery
- Minimally Invasive Cardiac Surgery
- Neurological Complications in Cardiac Surgery
Background:
- Bilateral obstructive carotid artery disease poses risks during coronary artery bypass grafting (CABG).
- Exposure of the posterior left ventricle can compromise hemodynamic stability.
- Aortic no-touch techniques aim to reduce neurological complications.
Observation:
- Two patients with bilateral obstructive carotid artery disease underwent beating heart CABG.
- Right-heart bypass was utilized for circumflex branch revascularization.
- Hemodynamic stability was maintained throughout the procedure.
Findings:
- Right-heart bypass effectively supported hemodynamics during complex CABG.
- The combined approach allowed for complete coronary revascularization.
- This method mitigated risks associated with left ventricle manipulation.
Implications:
- Right-heart bypass may be a valuable adjunct for high-risk CABG patients.
- It offers a potentially safer strategy for complete revascularization in patients with carotid disease.
- This technique could reduce neurological complications in complex cardiac surgeries.
Abstract:
Two patients with bilateral obstructive carotid artery disease underwent beating heart coronary bypass including revascularization of the circumflex branch using right-heart bypass in a stable hemodynamic state. Without this mechanical support, lifting the left ventricle for the exposure of the posterior wall could impair the hemodynamic state of the patient. Right-heart bypass in addition to aortic no-touch technique can be a safer option for complete coronary revascularization in patients at high risk for neurological complications.