Long-term effects of successful versus unsuccessful percutaneous coronary intervention for chronic coronary total occlusion: a systematic review (Protocol for a systematic review)
Review question
The review is going to access long-term effects of successful and unsuccessful percutaneous revascularization for chronic coronary total occlusion during follow-up over 6 months.
Sources to be searched
Databases: Embase, PubMed, Medline, Ovid, Cochrane, CNKI, CBA
Types of study to be included
Retrospective study or Cohort study
Participants
Patients with Chronic coronary total occlusion (TIMI flow grade 0 or 1)
Interventions
Percutaneus coronary intervention (PCI)
Comparison
Successful versus unsuccessful PCI for CTO
Primary outcome
Death (all causes), Cardiac death (fatal or nonfatal MI), nonfatal MI, CABG, and repeat PCI during follow-up over 6 months
Key secondary outcomes
Left ventricular ejection fraction, angina attack frequency, number of days hospitalized again
Strategy for data synthesis
Meta-analysis
- Coronary Disease
- Coronary Occlusion
- Myocardial Infarction