Related Experiment Video

Updated: Jan 26, 2026

Post-Myocardial Infarction Heart Failure in Closed-chest Coronary Occlusion/Reperfusion Model in Göttingen Minipigs and Landrace Pigs
14:35

Post-Myocardial Infarction Heart Failure in Closed-chest Coronary Occlusion/Reperfusion Model in Göttingen Minipigs and Landrace Pigs

Published on: April 17, 2021

9.0K

Current Evidence and Rationale of Percutaneous Therapy for Chronic Total Coronary Occlusions

Udit B Bhatnagar, Anup Shrestha, Marian Petrasko

    Current Problems in Cardiology
    |April 13, 2019
    PubMed

    Insights

    Chronic total occlusion (CTO) revascularization is increasingly successful. While evidence suggests clinical benefits, particularly angina relief, results vary across studies, necessitating further review of CTO revascularization rationale.

    Area of Science:

    • Cardiology
    • Interventional Cardiology
    • Vascular Biology

    Background:

    • Chronic total occlusion (CTO) lesions are prevalent in significant coronary artery disease.
    • Historically, CTO revascularization rates have been low despite disease burden.
    • Advances in techniques and equipment have improved CTO revascularization success and safety.

    Purpose of the Study:

    • To review current evidence on clinical benefits of CTO revascularization.
    • To explore other rationales supporting CTO revascularization.
    • To synthesize findings from observational studies and recent randomized trials.

    Main Methods:

    • Literature review of existing studies on CTO revascularization.
    • Analysis of data from multicenter registries.
    • Evaluation of recent randomized controlled trials (RCTs).

    Main Results:

    • CTO revascularization success rates have significantly improved.
    • Evidence suggests clinical benefits, notably angina symptom relief.
    • Heterogeneity exists in RCT results regarding the magnitude of benefit.

    Conclusions:

    • CTO revascularization is a growing field with improved outcomes.
    • Clinical benefits, especially angina relief, are supported by evidence, but require careful interpretation due to study variations.
    • Further research may clarify the consistent benefits and indications for CTO revascularization.

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