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Myocardialbridge Bypass Graft Surgery Efficacy Verification
Sponsor: Xi'an International Medical Center Hospital
Summary
Myocardial Bridge Bypass Graft surgery is introduced to relieve the unmedical symptoms of patients with long-segment or deep myocardial bridge, clinical outcomes will be collected to verify the effectiveness of the surgery.
Key Details
Gender
All
Age Range
18 Years - 80 Years
Study Type
INTERVENTIONAL
Enrollment
500
Start Date
2020-01-01
Completion Date
2040-12-31
Last Updated
2025-03-04
Healthy Volunteers
No
Conditions
Interventions
MBBG
The patients with deep(depth\>2mm) and long-segement(length\>25mm) of myocardialbridge receiving myocardialbridge bypass graft surgery(MBBG)，fulfilling the following criteria: 1.presenting with pectoris angina that cannot be effectively relieved by maximum guideline-directed drug therapy; 2. No atherosclerotic plaque or merely mild atherosclerotic stenosis is detected at the proximal or entry of the myocardialbridge confirmed by coronory artery angiography.
MB CABG
The patients with deep(depth\>2mm) and long-segement(length\>25mm) of myocardialbridge receiving myocardialbridge bypass graft surgery(MBBG)，fulfilling the following criteria: 1.presenting with pectoris angina that cannot be effectively relieved by maximum guideline-directed drug therapy; 2. The moderate-to-severe atherosclerotic stenosis is detected at the proximal or entry of the myocardialbridge confirmed by coronory artery angiography.
MB unroof
The patients with superficial type(depth\<2mm) and short-segement(length\<25mm) of myocardial bridge will be allocated to receive myocardialbridge "unroof" surgery，when fulfilling the following criteria: 1.presenting with pectoris angina that cannot be effectively relieved by maximum guideline-directed drug therapy; 2. The MB was superficial and short confirmed by coronory artery CT angiography.
Locations (1)
Xi'an International Medical Center Hospital Affiliated TO Northwest University
Xi'an, Shaanxi, China