Sleep and nocturnal mouthpiece IPPV efficiency in postpoliomyelitis ventilator users

J. R. Bach, A. S. Alba

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Study objective: Intermittent positive pressure ventilation (IPPV) can be delivered via various oral, nasal, or oronasal interfaces as an alternative to tracheostomy for up to 24 h of ventilatory support. Nocturnal nasal IPPV is often associated with frequent transient but at times severe oxyhemoglobin desaturations (dSaO2s) and sleep fragmentation. The purpose of this study was to determine if nocturnal mouthpiece IPPV is also associated with dSaO2s and sleep disruption. Design: Twenty-seven postpolio ventilator-assisted individuals (VAIs) using mouthpiece IPPV with little or no ventilator-free breathing time (VFBT) underwent nocturnal oxyhemoglobin saturation (SaO2) monitoring. In addition, 15 underwent nocturnal capnography and 13 underwent polysomnography. Results: Mean nocturnal SaO2 was normal in 22 of 27 and maximum end-tidal PCO2 was normal in 12 of 15 VAIs. Use of lipseal retention for nocturnal mouthpiece IPPV significantly improved blood gas values during sleep. The polysomnography results demonstrated relatively normal sleep efficiency. Conclusions: Nocturnal mouthpiece IPPV is most effective with lipseal retention. It can provide normal alveolar ventilation and SaO2 during sleep for VAIs with little or no measurable vital capacity or VFBT. Because transient dSaO2s can be eliminated with lipseal retention, it may disrupt sleep less than nasal IPPV.

Original languageEnglish (US)
Pages (from-to)1705-1710
Number of pages6
JournalCHEST
Volume106
Issue number6
DOIs
StatePublished - 1994

All Science Journal Classification (ASJC) codes

  • Pulmonary and Respiratory Medicine
  • Critical Care and Intensive Care Medicine
  • Cardiology and Cardiovascular Medicine

Keywords

  • kyphoscoliosis
  • mechanical ventilation
  • polysomnography
  • respiratory paralysis
  • sleep

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