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Cardiology

Percutaneous Mechanical Circulatory Support for Cardiogenic Shock Micro-Axial Flow Pumps, In

Built from Cardiovascular Catheterization and Intervention: A Textbook of Coronary, Peripheral, and Structural Heart Disease

What’s inside

11 sections · 130 slides

  1. 01

    Cardiogenic shock: the clinical problem

    • Definition of cardiogenic shock
    • Burden of cardiogenic shock
    • Causes of cardiogenic shock
    • Drivers of improved survival
    • Mechanistic rationale for percutaneous support
    • Algorithmic shock care and the evidence gap
    • Randomised evidence: the overall picture
    • Survivorship bias in device complication rates
    • Devices covered in this topic
    • Overview of Contemporary Clinical Trials of Mechanical Circulatory Support in Acute Myocardial Infarction with Cardiogenic Shock ⏎
    • Overview of Contemporary Clinical Trials of Mechanical Circulatory Support in Acute Myocardial Infarction with Cardiogenic Shock ⏎
    • Overview of Contemporary Clinical Trials of Mechanical Circulatory Support in Acute Myocardial Infarction with Cardiogenic Shock ⏎ (continued)
    • Overview of Contemporary Clinical Trials of Mechanical Circulatory Support in Acute Myocardial Infarction with Cardiogenic Shock ⏎
    • Overview of Contemporary Clinical Trials of Mechanical Circulatory Support in Acute Myocardial Infarction with Cardiogenic Shock ⏎ (continued)
    • Overview of Contemporary Clinical Trials of Mechanical Circulatory Support in Acute Myocardial Infarction with Cardiogenic Shock ⏎
    • Overview of Contemporary Clinical Trials of Mechanical Circulatory Support in Acute Myocardial Infarction with Cardiogenic Shock ⏎ (continued)

    16 slides

  2. 02

    Anatomic considerations

    • Vascular access calibre by device
    • Physiologic risk factors for vascular complications
    • Therapeutic risk factors for vascular complications
    • Mitigating access-site risk
    • Aortic insufficiency as a contraindication
    • Aortic stenosis, prostheses and left ventricular thrombus
    • Pre-procedure imaging assessment
    • Abdominal aortic aneurysm and the balloon pump

    8 slides

  3. 03

    Pressure-volume loop fundamentals

    • The pressure-volume diagram
    • The four phases of the cardiac cycle on the loop
    • Reading stroke volume, pressure and stroke work
    • Pressure-volume loops in normal and diseased ventricles
    • End-systolic pressure-volume relationship
    • End-diastolic pressure-volume relationship
    • Pressure-volume changes in acute myocardial infarction
    • Chronic remodelling after the acute insult
    • Left ventricular unloading on the pressure-volume loop
    • Effect of each support device on the pressure-volume loop

    10 slides

  4. 04

    Indications and guideline recommendations

    • 2023 ESC acute coronary syndrome guidelines
    • 2025 ACC/AHA acute coronary syndrome guidelines
    • Downgrading of routine intra-aortic balloon pump use
    • Absence of guidance for right ventricular support devices
    • Percutaneous Mechanical Circulatory Support Device Indications and Contraindications ⏎
    • Percutaneous Mechanical Circulatory Support Device Indications and Contraindications ⏎
    • Percutaneous Mechanical Circulatory Support Device Indications and Contraindications ⏎
    • Percutaneous Mechanical Circulatory Support Device Indications and Contraindications ⏎

    8 slides

  5. 05

    Equipment and platforms

    • Durable left ventricular assist devices
    • Biventricular support and temporary-first policy
    • Intra-aortic balloon pump equipment
    • VA-ECMO equipment
    • Micro-axial flow pump equipment
    • Dedicated right-sided pump equipment
    • Percutaneous Mechanical Circulatory Support Device Characteristics ⏎
    • Percutaneous Mechanical Circulatory Support Device Characteristics ⏎ (continued)
    • Percutaneous Mechanical Circulatory Support Device Characteristics ⏎
    • Percutaneous Mechanical Circulatory Support Device Characteristics ⏎ (continued)

    10 slides

  6. 06

    Intra-aortic balloon counterpulsation

    • Origins of diastolic augmentation
    • Proposed mechanisms of benefit
    • BCIS-1: balloon counterpulsation in high-risk PCI
    • IABP-SHOCK II
    • Change in balloon pump practice
    • Balloon pump vascular access and preparation
    • Balloon positioning in the descending aorta
    • Left ventricular mechanical circulatory support devices
    • Arterial pressure tracing during counterpulsation

    9 slides

  7. 07

    Micro-axial flow pumps

    • Impella platforms for left ventricular support
    • Archimedes screw as the pump principle
    • From irrigation pump to Hemopump
    • Impella CP implantation
    • Impella 5.5 implantation by axillary cutdown
    • Motor, controller and purge infusate
    • Haemodynamic effect of increasing Impella flow
    • Unloading before reperfusion
    • PROTECT I
    • PROTECT II design
    • PROTECT II results
    • ISAR-SHOCK
    • IMPRESS
    • DanGer Shock trial design
    • DanGer Shock primary result
    • DanGer Shock subgroups and complications
    • Patient selection after DanGer Shock
    • Lower-profile investigational devices

    18 slides

  8. 08

    Veno-arterial extracorporeal membrane oxygenation

    • Origins and registry experience
    • What distinguishes VA-ECMO from the other devices
    • Components of the VA-ECMO circuit
    • Distal perfusion cannula
    • VA-ECMO cannulation configurations
    • Differential hypoxia during femoral VA-ECMO
    • Avoiding differential hypoxia
    • Increased afterload on VA-ECMO
    • Strategies for left ventricular unloading on ECMO
    • Intensive care management of ECMO patients
    • Extracorporeal cardiopulmonary resuscitation
    • ARREST trial
    • PRAGUE and INCEPTION trials
    • ECMO-CS and ECLS-SHOCK

    14 slides

  9. 09

    TandemHeart

    • TandemHeart device and cannulation
    • Haemodynamic effects of TandemHeart
    • TandemHeart clinical evidence

    3 slides

  10. 10

    Right ventricular support

    • Medical therapy for right ventricular failure
    • Impella RP Flex
    • ProtekDuo dual-lumen cannula
    • Separate cannula configurations and pump options
    • BiPella configuration for biventricular support
    • Right ventricular mechanical circulatory support devices

    6 slides

  11. 11

    Contraindications and conclusions

    • Contraindications common to IABP, Impella and VA-ECMO
    • Managing prohibitive peripheral arterial disease
    • Bleeding, coagulopathy and anticoagulation
    • Where the field stands
    • Directions for the field
    • Take-home points
    • References
    • References (continued)
    • References (continued)
    • References (continued)
    • References (continued)
    • References (continued)
    • References (continued)
    • References (continued)
    • References (continued)
    • Cardiovascular Catheterization and Intervention: A Textbook of Coronary, Peripheral, and Structural Heart Disease
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    17 slides