UNIT XI: EXTRACORPOREAL BYPASS AND COAGULATION-BLOOD PRODUCTS


A. Physiology of Extracorporeal Bypass



Contents:

  1. Membrane oxygenators
    1. Physiology
    2. Design
    3. Complications

  2. Bubble oxygenators
    1. Physiology
    2. Design
    3. Complications

  3. Roller head pumps
    1. Design
    2. Safety measures
    3. Complications

  4. Vortex pumps
    1. Mechanism and design
    2. Safety measures
    3. Complications

  5. Extracorporeal circuits
    1. Set-up
    2. Types of tubing, filters, hemoconcentrators
    3. Safety measures
    4. Blood and artificial surface interaction

  6. Perfusion solutions
    1. Prime solutions
    2. Hemodilution
    3. Oxygenators (types, indications, benefits, disadvantages)
    4. Venous reservoir
    5. Cardiotomy reservoir
    6. Tubing (choice of adequate internal diameter)
    7. Osmotic pressure, oncotic pressure (use of mannitol, albumin)
    8. Blood gas control

  7. Manipulation of:
    1. Flow
    2. Pressure
    3. Temperature

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