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Related Experiment Videos

Sequential external counterpulsation (SECP) in China.

Z S Zheng, T M Li, H Kambic

    Transactions - American Society for Artificial Internal Organs
    |January 1, 1983
    PubMed
    Summary
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    Sequenced external counterpulsation (SECP) with buttock balloons significantly enhances diastolic augmentation, improving outcomes for angina and acute myocardial infarction (AMI) patients. This noninvasive method offers superior effectiveness compared to conventional treatments.

    Area of Science:

    • Cardiovascular Medicine
    • Biomedical Engineering
    • Clinical Research

    Background:

    • Sequenced external counterpulsation (SECP) is a noninvasive therapy for ischemic heart disease.
    • Existing SECP methods vary in effectiveness for diastolic augmentation.
    • A novel SECP device with buttock balloons was developed to enhance therapeutic outcomes.

    Purpose of the Study:

    • To evaluate the efficacy of a new sequenced external counterpulsation (SECP) device with buttock balloons.
    • To compare the effectiveness of SECP with buttock balloons against other counterpulsation methods.
    • To assess the clinical outcomes in patients with angina and acute myocardial infarction (AMI) treated with SECP.

    Main Methods:

    • Development and clinical application of a novel sequenced external counterpulsation (SECP) device incorporating buttock balloons.

    Related Experiment Videos

  • Comparative analysis of four counterpulsation techniques: nonsequenced leg, 4-limb, sequenced 4-limb, and sequenced 4-limb with buttock balloons.
  • Clinical evaluation in 200 angina patients and 52 AMI patients over a 6-year period.

    • Main Results:

    • SECP with buttock balloons significantly increased diastolic augmentation (DA) amplitude and area by 43.9% compared to 4-limb SECP alone.
    • Ninety-seven percent of angina patients experienced long-term symptomatic relief with minimal relapse.
    • 95.7% of AMI patients showed rapid relief from chest pain or shock symptoms.

    Conclusions:

    • SECP with buttock balloons is a highly effective method for diastolic augmentation, surpassing previously reported techniques.
    • The noninvasive SECP method demonstrates significant benefits in improving myocardial blood supply and ventricular function.
    • SECP is a safe, convenient, and more effective alternative to conventional drug therapy for acute and chronic ischemic myocardial disease.