Related Experiment Videos
[X-ray cinematographic studies of local ventricular dynamics after aortocoronary bypass]
Langenbecks Archiv Fur Chirurgie
|January 1, 1976
Insights
Aortocoronary bypass surgery improved coronary artery motility in patients with angina relief. Myocardial motility did not improve in patients with persistent angina, indicating surgery
Area of Science:
- Cardiovascular Surgery
- Myocardial Physiology
Context:
- High-grade coronary stenosis significantly impairs cardiac function.
- Aortocoronary bypass grafting is a common surgical intervention.
Purpose:
- To evaluate the impact of aortocoronary bypass surgery on local myocardial motility in patients with coronary stenosis.
- To correlate changes in motility with angina symptom relief.
Summary:
- Assessed local myocardial motility using cineradiography and myocardial markers in 12 patients pre- and post-bypass.
- Patients with angina relief demonstrated significant improvement in local segment shortening post-surgery.
- No motility improvement was observed in patients with persistent angina.
Impact:
- Provides insights into the functional recovery of the myocardium after bypass surgery.
- Highlights the correlation between surgical outcomes and objective measures of cardiac motility.
- Informs clinical assessment of bypass surgery efficacy in managing coronary artery disease.
Abstract:
In 12 patients with high-grade coronary stenosis local motility before and after aortocoronary vein bypass was estimated by cineradiography of coronary bifurcations and surgically implanted myocardial metal markers. A group of patients with relief of angina showed significant increase of local segment shortening within the first postoperative days. During the following months no further alteration occurred. In three patients with persisting angina no improvement of local motility could be found.