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Fluid Leakage Past Tracheal Tube Cuff : Effect of Suctioning Manoeuvre

NCT01170156 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 25

Last updated 2011-03-07

No results posted yet for this study

Summary

The leakage of oropharyngeal secretions around high-volume low-pressure tracheal tube cuffs is usually considered as a major risk factor for bacterial tracheal colonization and subsequent development of ventilator-associated pneumonia. The rate of leakage around the cuff is related to the pressure differential across the cuff, namely the difference between the pressure of the subglottic fluid above the cuff and the tracheal pressure under the cuff. Consequently, positive end-expiratory pressure (PEEP) improves the sealing around the cuff towards fluid leakage. However, this preventive effect of PEEP is compromised during prolonged mechanical ventilation by tracheal suctioning manoeuvre, which may enhance fluid leakage, by decreasing tracheal pressure. Indeed, in a benchtop model, a suctioning manoeuvre, without disconnection of the ventilator, induced a constant fluid leakage past a high-volume low-pressure tracheal tube cuff when performed with a high level of suction pressure (- 400 mbar) and a large size of suction catheter size (16 French).

Conditions

  • Deep Sedation
  • Respiration, Artificial

Interventions

DEVICE

Hi-Lo Evac tube (Mallinckrodt Inc, USA) (Instilled blue dye)

The cuff pressure will be first checked and reset at 30 cm H2O if needed. Next, blue dye will be instilled just above the cuff through the lumen ending in the subglottic area of the Hi-Lo Evac tube. Then a suctioning manoeuvre will be performed with a suction pressure of - 400 mbar through a 16 French suction catheter. Thereafter, a fiberoptic bronchoscopy will be performed, looking for the presence of blue dye in the trachea and/or the bronchi.

Sponsors & Collaborators

  • Centre Hospitalier de Roanne

    lead OTHER

Principal Investigators

  • Pascal BEURET, MD · CH de Roanne

Study Design

Allocation
NA
Purpose
PREVENTION
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2010-09-30
Primary Completion
2011-01-31
Completion
2011-01-31

Countries

  • France

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01170156 on ClinicalTrials.gov