Course Content
Module 1: Basic ECMO
Module I: Extracorporeal Membrane Oxygenation Basics (ECMO Basics) This module covers the foundational knowledge of ECMO, including circuit physiology, components, and basic ECMO management. Duration: 3 Weeks (Course weeks 1 to 3) Week 1: Introduction to ECMO Week 2: ECMO Physiology & Circuit Management Week 3: ECMO Complications and Troubleshooting Module I Pretest: 30 MCQs
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Module II: Veno-venous Extracorporeal Membrane Oxygenation (VV ECMO)
This module focuses on the use of VV ECMO in patients with respiratory failure. Topics include ARDS management, VV ECMO cannulation strategies, and VV ECMO troubleshooting. Duration: 3 Weeks (Course weeks 4 to 6) Module II Pretest: 30 MCQs Week 4: VV ECMO Fundamentals Start Date: July 20, 2025 a. Respiratory failure and ARDS management (Ahmed Magdey) b. Evidence for VV ECMO use and landmark trials (Hesham Faisal) c. VV ECMO cannulation techniques and pros and cons of different VV ECMO configuration choices (Moustafa Esam) d. ECMO Retrieval and Patient Transport on ECMO (Ahmed Labib)
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Module III: Veno-arterial Extracorporeal Membrane Oxygenation (VA ECMO)
This module focuses on VA ECMO for cardiogenic shock, including cannulation strategies, LV unloading, and advanced applications. Duration: 3 Weeks (Course weeks 7 to 9) Module II Pretest: 30 MCQs
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Extra Corporeal Membrane Oxygenation (ECMO) and Mechanical Circulatory Support (MCS) course (Copy 4)

Week 7 – Lecture C – Postcardiotomy shock: Peripheral versus Central VA ECMO cannulation. (Ahmed Hegazy)

Incidence & Outcomes

  • Rising incidence: ↑178% (2004–2014) due to aging, comorbid population.
  • Most frequent ECLS indication in USA.
  • Survival poor: ~25% hospital discharge, 18% at 6 months.
  • High complications: bleeding, renal failure, re-operations, limb ischemia.

Causes & Risk Factors

  • Causes: myocardial stunning, inflammatory response, ischemia–reperfusion injury, inadequate protection.
  • Patient profile: elderly, comorbidities, on multiple medications, often with sepsis or ischemia.
  • Death on ECMO: mainly multiorgan failure, persistent heart failure, bleeding.
  • Death post-weaning: persistent heart failure, multiorgan failure, sepsis.

Key Factors Affecting Survival

1. Patient Factors

  • Age: Mortality very high >70 years (76%).
  • Obesity: No association with mortality (not a contraindication).

2. Timing of ECMO Initiation

  • Intra-op initiation: Better early survival vs post-op.
  • Post-op initiation: Worse survival, higher complications.
  • Ward initiation: Very poor outcomes (~15%).
  • High lactate (>10 mmol/L) at initiation → worse survival.
  • Actionable: Earlier initiation improves outcomes.

3. LV Unloading

  • Rationale: VA ECMO ↑ afterload, may hinder recovery.
  • Non-invasive: reduce ECMO flow, adjust ventilation, diuretics, vasodilators.
  • Invasive: balloon pump, Impella, direct LV/LA/PA drainage.
  • Evidence: Balloon pump + ECMO → improved survival, fewer complications.
  • Weaning strategy: Remove ECMO first, keep balloon pump.

4. Bleeding Control

  • Bleeding common early (days 1–3); thrombosis later.
  • Both ↑ mortality.
  • Dutch strategy: full protamine, meticulous hemostasis, sternum closure, no heparin 24–72h, point-of-care testing → reduced bleeding, trend to better survival.

5. Cannulation Approach

  • Central ECMO: higher mortality, stroke risk, reoperation needs.
  • Peripheral ECMO: better survival; femoral preferred (lowest stroke risk), though limb ischemia risk ↑.
  • Subclavian: avoids limb ischemia, allows mobilization, but higher stroke risk.

6. ECMO Duration

  • <3 days: best survival.
  • 3–7 days: reduced survival.
  • 7 days: poor outcomes → exit strategy essential.

Conclusion

  • Best outcomes: Age <70, early ECMO initiation, early LV unloading (balloon pump), vigilant bleeding control, preference for peripheral cannulation, and limiting central ECMO runs <7 days.
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