Table 1

Schedule of assessments and interventions by visit

Visit numberConventional (control) mask groupCustomised (intervention) mask group
1
  • Informed consent

  • Facial scanning

  • Physical assessment, including the presence of dermatitis, pressure ulcers, and eye symptoms. Vital measurements: SpO2, weight, height, BMI.

  • Demographics, Waterlow score, Co-morbidities, Rockwood frailty score

  • Questionnaires: ESS, SWIFT and S3NIV

  • PAP therapy device issued with conventional mask

  • Informed consent

  • Facial scanning for production of customised 3D printed mask

  • Physical assessment, including the presence of dermatitis, pressure ulcers and eye symptoms. Vital measurements: SpO2, weight, height, BMI.

  • Demographics, Waterlow score, Co-morbidities, Rockwood frailty score

  • Questionnaires: ESS, SWIFT and S3NIV

1a
  • PAP therapy device issued with a customised mask

2 Three months after the first visit
  • Physical assessment as per visit 1

  • Download data from the PAP machine

  • Questionnaires as per visit 1 plus interface questionnaire

  • 2-night cardiorespiratory sleep study

  • Adverse events review

Three months after visit 1a
  • Physical assessment as per visit 1

  • Download data from the PAP machine

  • Questionnaires as per visit 1 plus interface questionnaire

  • 2-night cardiorespiratory sleep study

  • Adverse events review

3 Six months after visit 1
  • Physical assessment as per visit 1

  • Download data from the PAP machine

  • Questionnaires as per visit 2

  • 2-night cardiorespiratory sleep study

  • Adverse events review

Six months after visit 1a
  • Physical assessment as per visit 1

  • Download data from the PAP machine

  • Questionnaires as per visit 2

  • 2-night cardiorespiratory sleep study

  • Adverse events review

  • Issue conventional mask for ongoing treatment

  • BMI, body mass index; ESS, Epworth Sleepiness Score; PAP, positive airway pressure; S3NIV, S3 Non-Invasive Ventilation; SWIFT, Sleepiness-Wakefulness Inability and Fatigue Test.