Suitability for Weaning

      
       

 

          
       
Criteria Description

Objective measurements
  • Adequate oxygenation (eg, PO2 >60 mm Hg on FIO2 > 0.4; PEEP <5–10 cm H2O; PO2/FIO2 >150–300);
 
  • Stable cardiovascular system (eg, HR <140; stable BP; no (or minimal) pressors)
 
  • Afebrile (temperature < 38°C)
 
  • No significant respiratory acidosis
 
  • Adequate hemoglobin (eg, Hgb >8–10 g/dL)
 
  • Adequate mentation (eg, arousable, GCS >13, no continuous sedative infusions)
 
  • Stable metabolic status (eg, acceptable electrolytes)

Subjective clinical assessments
  • Resolution of disease acute phase; physician believes discontinuation possible; adequate cough

* Hgb = hemoglobin; HR = heart rate; GCS = Glasgow coma score.

Source: MacIntyre NR, Cook DJ, Ely EW, Jr., Epstein SK, Fink JB, Heffner JE et al. Evidence-based guidelines for weaning and discontinuing ventilatory support: a collective task force facilitated by the American College of Chest Physicians; the American Association for Respiratory Care; and the American College of Critical Care Medicine. Chest 2001; 120(6 Suppl):375S-395S

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