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)

 

VV ECMO in ARDS Patients Post-Hematopoietic Stem Cell Transplant (HSCT)

Background

  • Advances in hematological disease treatment: HSCT, CAR-T, biologics → improved prognosis.

  • Simultaneous progress in critical care & ARDS management (ARDSNet strategies, fluid restriction, transfusion reduction).

  • Despite progress, subset of patients develop refractory hypoxemia/hypercapnia → ECMO considered.

  • Fragile population: increased risks of bleeding, infection, neutropenia, organ dysfunction, altered drug kinetics.

Mortality & Prognosis

  • Historically, ICU mortality for HSCT patients with ARDS very high (58–70%).

  • Since 2010, outcomes improved with aggressive ICU support.

  • Large Franco-Belgian multicenter study (>1,000 patients):

    • Early ICU admission strongly linked to survival.

    • Survivors at hospital discharge had ~100% 24-month survival.

  • Prognosis worse after allogeneic vs autologous transplant (higher infection/sepsis risk).

  • 1-year mortality post-allogeneic HSCT still ~67%.

Recent Evidence

  • Long-term mortality remains high, especially with prolonged ICU stay (>28 days), multiple organ support, or vasopressor use.

  • Studies show outcomes depend on:

    • Type of transplant (autologous > allogeneic).

    • Timing of respiratory failure (early graft dysfunction = poor prognosis).

    • Underlying disease remission vs relapse.

    • Number of organ failures (multi-organ failure = poor candidate).

ECMO-Specific Considerations

  • Patient selection is critical: avoid cases with uncertain prognosis, graft failure, uncontrolled infections, GVHD.

  • Indications/criteria:

    • Refractory hypoxemia (PaO₂/FiO₂ < 60 for >3h).

    • Mechanical ventilation ≤7 days.

    • Severe respiratory failure despite optimal care.

  • Contraindications/poor candidates:

    • Early graft dysfunction, severe GVHD, uncontrolled fungal infection, multi-organ failure.

  • Complications:

    • Higher bleeding risk (low platelets, anticoagulation).

    • ECMO may worsen immunosuppression/infections.

    • Drug absorption/PK during ECMO not fully understood, esp. chemotherapy.

Key Studies

  • 2014 (Wal et al.): first uniform series (14 hematological patients on ECMO) → feasible, survival possible in selected patients.

  • 2022 (Kak et al.): highlighted prognostic “red flags”: low platelets, high lactate, progressive disease.

  • Position papers (ELSO/EuroELSO, oncology experts) → 36 statements guiding ECMO in HSCT/oncology; most reached strong consensus.

Practical & Ethical Lessons

  • Multidisciplinary decision-making essential (ICU, oncology, hematology, nephrology, infectious disease).

  • Involve family and patients early, ensure realistic expectations.

  • Consider financial/resource implications.

  • Use scores (RESP, PRESERVE) but weigh heavily immunosuppressed status.

  • Anticoagulation: heparin standard; bivalirudin increasingly used. Platelet transfusion thresholds lower (≥20k often accepted).

  • Focus on neurological/functional recovery & quality of life, not just hospital discharge.

Take-Home Messages

  • VV ECMO can be life-saving in carefully selected HSCT patients with ARDS.

  • Outcomes hinge on:

    • Patient selection.

    • Early intervention.

    • Minimizing complications (bleeding, infection).

    • Institutional expertise and resources.

  • ECMO should be considered rescue therapy, not routine, in this fragile population.

  • Goal: meaningful long-term survival with good neurological and functional recovery, not just survival to ICU discharge.

Saving Lives Academy
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