About this trial
This is a healthcare quality improvement study focused on increasing the utilization of arterial grafts in isolated coronary artery bypass grafting (CABG). Evidence indicates that arterial grafts, compared with venous grafts, provide superior long-term patency, which are recommended to use by the clinical practice guidelines.
In hospitals where the use of the internal mammary artery as a graft is relatively low(\<90%) among CABG patients, multiple interventions will be implemented to improve its adoption rate.
In hospitals where internal mammary artery graft utilization is already high(≥90%), various interventions will be introduced to promote the use of multiple arterial grafts (defined as the use of two or more arterial conduits).
The study targets healthcare professionals as the primary subjects of intervention, with no direct interventions applied to patients during the study period. Changes in the internal mammary artery graft utilization rate and the multiple arterial graft utilization rate before and after the intervention will serve as the primary endpoints for evaluating intervention effectiveness in the two types of hospitals, respectively.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
None
Disqualifiers
50% stenosis of left subclavian artery; Pregnant women; Individuals diagnosed with mental illness or cognitive impairment (International Classification of Diseases-10 codes F01-F99); Patients considered by the investigator to have other factors unsuitable for inclusion.
Trial design
Single group
Treatments tested in this trial
Interventions for healthcare professionals in hospitals with low usage rates
BehavioralHospitals with low usage rates aim to improve internal mammary artery graft utilization through interventions including education, theoretical training, technical training, conference exchanges, and regular feedback on quality monitoring results.
Interventions for healthcare professionals in hospitals with high usage rates
BehavioralHospitals with already high usage rates focus on increasing multi-arterial graft usage rates through similar intervention methods such as education, theoretical training, technical training, conference exchanges focus on multi-arterial graft use. The usage rates of multi-arterial graft for each hospital will be regular feed backed.
Treatment groups
Trial outcomes
Primary outcomes
Hospitals with low usage rates of internal mammary artery: internal mammary artery graft utilization rate
Internal mammary artery graft utilization rate: the utilization rate of at least one internal mammary artery graft in patients received isolated coronary artery bypass grafting.
Hospitals with high usage rates of internal mammary artery: multiple arterial graft utilization rate
Multiple arterial graft utilization rate: the utilization rate of two or more arterial conduits in patients received isolated coronary artery bypass grafting.
Secondary outcomes
In-hospital all-cause mortality rate
The in-hospital all-cause mortality rate of patients received isolated coronary artery bypass grafting.
Locations
Sponsors and contacts
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China National Center for Cardiovascular Diseases
Lead sponsor
Chinese Academy of Medical Sciences, Fuwai Hospital
Collaborator
Shandong Provincial Hospital
Collaborator
The First Affiliated Hospital with Nanjing Medical University
Collaborator
Guangdong Provincial People's Hospital
Collaborator
Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
Collaborator
West China Hospital
Collaborator
First Affiliated Hospital of Wenzhou Medical University
Collaborator
Ruijin Hospital
Collaborator
The General Hospital of Northern Theater Command
Collaborator
Central China Fuwai Hospital of Zhengzhou University
Collaborator
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