- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04525339
Early Outcomes of Concomitant Transcatheter Aortic Valve Implantation and Off-pump Coronary Artery Bypass Grafting in Management of Severe Symptomatic Aortic Stenosis and Coronary Artery Disease
Study Objectives/Specific Aims Overall Goal: To study the outcomes of patients undergoing TAVI, their subsequent results and complications.
- Objective 1: Identify risk factors that are predictive of the need for TAVI and CABG
- Objective3:Assess early 3 months outcomes and postoperative results
Outcome Measure:
1. All-cause mortality within 3 months.
Secondary Outcome Measures:
- Stroke
- Myocardial infarction
- Bleeding
- Hospital stay
- Acute kidney injury
- Number of patients with conduction disturbance and pacemaker implantation
- Gradient on implanted valve
- Degree of transvalvular leakage
- 6 weeks follow-up
- 3 months Echo
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Severe symptomatic aortic stenosis in elderly patients represents a surgical challenge for cardiac surgeons due to heavy calcifications and associated comorbidities. Such conditions usually are associated with dramatic intra and postoperative complications leading to many cases being declined for open surgical replacement. Many treatment modalities were described including trans-catheter valvutomy but with only temporary improvements and high rates of recurrence. Transcatheter Aortic Valve Implantation (TAVI) has offered an alternative solution to such cases in which open surgery is deemed too risky or prohibited.
Coronary artery disease (CAD) is a common comorbidity in patients undergoing TAVI. It has been reported with 40-75% of the patients with increased adverse outcomes.Despite performing TAVI alone in these patient has shown significant improvement, yet CAD has showed increased risk in terms of hemodynamic instability and risk of myocardial infarction during rapid pacing which is an important step during the TAVI procedure.
According to the AHA/ACC guidelines, in patients undergoing Aortic valve replacement/ repair (AVR) who also have significant CAD, the combination of Coronary artery bypass grafting (CABG) and AVR reduces the rates of perioperative Myocardial Infarction, perioperative mortality, late mortality, and morbidity when compared with patients not undergoing simultaneous CABG, even though the combined operation carries a small but real increased risk of mortality (Class II A).
Percutaneous coronary intervention (PCI) has been the commonly used treatment modality for (CAD) which is usually carried out pre TAVI or less commonly simultaneously with TAVI (mainly due to access limitation after valve implantation). In patients with intermediate or high SYNTAX scores, CABG remains the standard therapy. Off-pump coronary artery bypass (OPCAB) procedure has demonstrated excellent results in these patients, due to the avoidance of cardiopulmonary bypass and manipulation of the aorta.
Only a few studies in the literature have reported the combined approach of CABG and TAVI in treatment of coronary artery disease and severe symptomatic aortic stenosis. Here the invesigators decided to study the early three months outcomes of patients undergoing TAVI and surgical revascularization.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Locations
-
-
-
Assiut, Egypt
- Assiut University
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Patients with severe symptomatic aortic stenosis and CAD undergoing TAVI & OPCABG
Exclusion Criteria:
- Patients with concomitant valvular heart disease.
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Retrospective
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
All-cause mortality
Time Frame: 3 months
|
3 months
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Occurence of Stroke
Time Frame: I month
|
I month
|
Occurence of Myocardial infarction
Time Frame: I month
|
I month
|
Need for reexploration
Time Frame: I month
|
I month
|
Occurence of Acute kidney injury
Time Frame: I month
|
I month
|
Number of patients with conduction disturbance and pacemaker implantation
Time Frame: I month
|
I month
|
Gradient on implanted valve
Time Frame: 3 months Echo
|
3 months Echo
|
Degree of transvalvular leakage
Time Frame: 3 months Echo
|
3 months Echo
|
Days of Hospital Stay
Time Frame: from day of operation till medically fit for discharge (1 month)
|
from day of operation till medically fit for discharge (1 month)
|
Collaborators and Investigators
Sponsor
Collaborators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- TAVI & OPCAB
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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