Myocardialbridge Bypass Graft Surgery Efficacy Verification
NCT ID: NCT06857838
Last Updated: 2025-03-04
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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RECRUITING
NA
500 participants
INTERVENTIONAL
2020-01-01
2040-12-31
Brief Summary
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Detailed Description
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Conditions
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Study Design
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NON_RANDOMIZED
PARALLEL
TREATMENT
DOUBLE
Study Groups
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MyocardialBridge Bypass Graft
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.
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.
Myocardialbridge CABG
The patients with deep(depth\>2mm) and long-segement(length\>25mm) of myocardialbridge will be allocated to receive myocardialbridge bypass graft surgery(MBBG)，when 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 atherosclertotic 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.
Myocardioalbridge Unroof
The patients with superficial type(depth\<2mm) and short-segement(length\<25mm) of myocardial bridge will be allocated to receive "unroof" surgery，when 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 end 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.
Interventions
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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.
Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
18 Years
80 Years
ALL
No
Sponsors
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Xi'an International Medical Center Hospital
OTHER
Responsible Party
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Wang zhen
Principal Investigator
Principal Investigators
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Zhen Wang, Doctorate
Role: PRINCIPAL_INVESTIGATOR
Xi'an International Medical Center Hospital Affiliated To Northwest University
Jinzhou Zhang, Doctorate
Role: STUDY_DIRECTOR
Xi'an International Medical Center Hospital Affiliated To Northwest University
Jinzhou Zhang, Doctorate
Role: STUDY_CHAIR
Xi'an International Medical Center Hospital Affiliated To Northwest University
Locations
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Xi'an International Medical Center Hospital Affiliated TO Northwest University
Xi'an, Shaanxi, China
Countries
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Central Contacts
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Facility Contacts
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References
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Zhang JZ, Zhu GY, Zhang Y, Bai LJ, Wang Z. Myocardial Bridge Bypass Graft: A Novel Surgical Procedure for Extensive Myocardial Bridges. Ann Thorac Surg. 2021 Aug;112(2):e115-e117. doi: 10.1016/j.athoracsur.2020.11.055. Epub 2021 Jan 20.
Related Links
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The report of the preliminary short term clinical results of MBBG surgery for the first time in the world
Other Identifiers
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XianInternationalMCH
Identifier Type: -
Identifier Source: org_study_id
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