Extubation Criteria and Techniques

Extubation Essentials - Unplugging Safely

• Goal: Safe removal of endotracheal tube (ETT), ensuring patent airway and adequate spontaneous respiration.
• Timing: Critical; avoid premature or delayed extubation.
• Techniques:
  • Awake (standard): Patient conscious, follows commands, protective reflexes intact.
  • Deep (rare): Under anesthesia; for reactive airways.
• Procedure: Suction oropharynx/trachea, deflate cuff, remove ETT (end-inspiration/start-expiration).
• Post-care: Oxygen, monitor for complications.

⭐ Positive cuff leak test (audible leak, cuff deflated) indicates lower risk of post-extubation stridor.

Pre-Extubation Assessment - Readiness Rundown

Error generating content for this concept group: Failed to process successful response

Extubation Techniques - Smooth Sailing Out

• Goal: Safe, smooth airway liberation.
• Pre-Check:
  • Criteria met.
  • Gear: Suction, O2, re-intubation kit.
• Core Steps:

• Methods:
  • Awake: Standard, responsive patient.
  • Positive Pressure: Clears secretions during ETT removal.
  • Deep (e.g., asthma): For reactive airways (use cautiously).
• Aftercare:
  • Humidified O2. Encourage cough.
  • Monitor: SpO2, RR, stridor.

  ⭐ IV Lidocaine (1-1.5 mg/kg) 1-3 min prior may reduce cough/hemodynamic response.

Post-Extubation Care & Complications - Watching for Waves

• Immediate Care:
  • Administer supplemental O2 (e.g., face mask 4-6 L/min).
  • Position patient: Semi-Fowler's.
  • Monitor: SpO2, RR, HR, BP, level of consciousness.
  • Encourage: Cough, deep breathing, voice rest.
• Key Complications & Management:
  • Laryngospasm: Inspiratory stridor. Management: Jaw thrust, 100% O2, Positive Pressure Ventilation (PPV). If refractory: Suxamethonium (0.1-0.5 mg/kg IV).

    ⭐ Laryngospasm is a reflex closure of true vocal cords, often triggered by secretions or stimulation during light anesthesia.

  • Airway Edema/Stridor: Humidified O2, nebulized adrenaline (1:1000, 0.5 ml/kg, max 5 ml), IV dexamethasone (0.1-0.2 mg/kg). Consider re-intubation if severe.
  • Bronchospasm: Audible wheeze. Administer nebulized salbutamol.
  • Sore throat/Hoarseness: Common. Provide reassurance, symptomatic relief (e.g., lozenges, analgesia).
  • Aspiration: Risk with decreased GCS. Maintain NPO until fully awake and reflexes return.
  • Negative Pressure Pulmonary Edema (NPPE): Signs include pink frothy sputum, hypoxia. Management: Supportive, PEEP.

High‑Yield Points - ⚡ Biggest Takeaways

• Sustained head lift >5s, hand grip strength, purposeful response indicate neuromuscular recovery.
• Essential respiratory parameters: Tidal Volume >5 mL/kg, Vital Capacity >10-15 mL/kg.
• Weaning predictors: Negative Inspiratory Force (NIF) < -20 cmH2O, RSBI <105.
• Patient must be awake, alert, cooperative, with intact gag and cough reflexes.
• Perform cuff leak test if laryngeal edema or stridor risk is high.
• Thorough oropharyngeal suctioning before cuff deflation prevents aspiration.
• Awake extubation is preferred; ensure pre-oxygenation and immediate reintubation capability.