Absolute Contraindications
- Patient Refusal
- Unstable fractures of the cervical spine
- Severe local infection of the anterior neck
- Uncontrollable coagulopathy
Relative Contraindications
- Lack of need:
- Unlikely to survive >48 hours
- Unlikely to require >2 weeks ventilation
- Controlled local infection
- Coagulopathy:
- PT or APTT >1.5
- Platelets <50
- High PEEP (>10) or FiO2 (>0.6) requirements
- Difficult anatomy (contraindication to percutaneous tracheostomy, surgical tracheostomy advised):
- Abnormal or prominent vasculature at insertion site
- Morbid obesity
- Short thick neck
- Reduced neck extension
- Excessive goiter
- Tracheal deviation
- Previous radiotherapy
- Proximity to extensive burns or surgical wounds
- Elevated intracranial pressure
- Haemodynamic instability