Appendix: Case scenarios

Case 1: Nocturnal CPAP by nasal mask

Diagnosis:Crouzon syndrome
Age:5 year old male
Suitability for ventilation:Admitted for planned trial of home CPAP.
Severe obstructive sleep apnoea diagnosed by polysomnography; no improvement after adenotonsillectomy, nasal CPAP trial successful.
Discharge team:Tertiary centre paediatrician liaising with local paediatrician.
Research registrar trained parents to use CPAP system.
Sleep lab staff and ward nurses acting as point of contact.
Parents.
Equipment list:CPAP unit × 1
Headgear
Nasal mask
Tubing and connectors
Filter strips
Time to discharge:Day 1: need for long term ventilatory support identified
Day 2: first discharge planning meeting arranged
    funding requested
    parent training commenced
Day 4: discharged home
Follow up:2 × 2 monthly sleep studies followed by six monthly follow up overnight admissions.
Approximate costs (excluding hospital Capital costs£500
 and follow up costs):Consumable costs£200 per annum
Service costs£40 per annum
Staffing costs£0