Comparison of a novel Lycra endotracheal tube cuff to standard polyvinyl chloride cuff and polyurethane cuff for fluid leak prevention

Theodor Kolobow, Massimo Cressoni, Myra Epp, Ivan Corti, Paolo Cadringher, Alberto Zanella

Research output: Contribution to journalArticle

Abstract

BACKGROUND: A high-volume low-pressure endotracheal tube (ETT) cuff forms folds along its contact with the trachea, allowing mucus leakage into the lungs. We developed a thin-walled ETT cuff made of Lycra polyurethane. METHODS: In vitro, we tested 6 of each of the new prototype Lycra cuff, the Mallinkrodt Hi-Lo ETT (polyvinyl chloride cuff), and the Kimberly-Clark Microcuff ETT (polyurethane cuff), for leakage, in an acrylic mock trachea (inner diameter 20-mm), with a cuff inflation pressure of 20 cm H2O. We poured 15 mL of methylene-blue colored water into the acrylic tube above the cuff and observed for leakage for 24 hours. RESULTS: The Lycra cuffs had no folds upon inflation in the mock trachea and completely prevented fluid leakage for 24 hours (P

Original languageEnglish
Pages (from-to)1095-1099
Number of pages5
JournalRespiratory Care
Volume56
Issue number8
DOIs
Publication statusPublished - Aug 2011

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Polyurethanes
Trachea
Polyvinyl Chloride
Economic Inflation
Pressure
Methylene Blue
Mucus
Lung
Water

Keywords

  • Cuff
  • Endotracheal tube
  • Mechanical ventilation
  • Ventilator
  • Ventilator-associated pneumonia

ASJC Scopus subject areas

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

Cite this

Comparison of a novel Lycra endotracheal tube cuff to standard polyvinyl chloride cuff and polyurethane cuff for fluid leak prevention. / Kolobow, Theodor; Cressoni, Massimo; Epp, Myra; Corti, Ivan; Cadringher, Paolo; Zanella, Alberto.

In: Respiratory Care, Vol. 56, No. 8, 08.2011, p. 1095-1099.

Research output: Contribution to journalArticle

Kolobow, Theodor ; Cressoni, Massimo ; Epp, Myra ; Corti, Ivan ; Cadringher, Paolo ; Zanella, Alberto. / Comparison of a novel Lycra endotracheal tube cuff to standard polyvinyl chloride cuff and polyurethane cuff for fluid leak prevention. In: Respiratory Care. 2011 ; Vol. 56, No. 8. pp. 1095-1099.
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