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Disconnection Technique With a Bronchial Blocker for Improving Lung Deflation

NCT01846936 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 54

Last updated 2015-06-24

No results posted yet for this study

Summary

One lung ventilation (OLV) is accomplished with a double lumen tube (DLT) or a bronchial blocker (BB). In this study, the investigators compared the effectiveness of lung collapse using DLT, BB with spontaneous collapse, and BB with disconnection technique.

Conditions

  • Pneumothorax

Interventions

PROCEDURE

DLT with conventional technique

The double lumen tube is introduced into the glottis under direct laryngoscopy. After the bronchial cuff had passes the vocal cords, the tube is rotated counterclockwise 90° and advanced until a slight resistance was encountered.

PROCEDURE

BB with conventional technique

The brochial blocker (BB) is introduced through the endotracheal tube to the desired bronchus under FOB vision by turning the device's steering wheel. The BB cuff is inflated with air under FOB vision with the volume necessary to seal the bronchus and initiate one lung ventilation.

PROCEDURE

Disconnection technique

Disconnection technique 1) deflate of the blocker cuff, 2) turn-off the ventilator and opened the APL valve allowing both lungs to collapse, 3) after loss of carbon dioxide trace in the capnograph, reinflate blocker cuff with the same volume of air as during the initial insertion, 4) reconnect the tube to the ventilator allowing only dependent-lung reventilation with a 5 cmH2O positive end-expiratory pressure preceded by a single recruitment maneuver performed by elevating the airway pressure to 40 cmH2O for 7 seconds.

Sponsors & Collaborators

  • Ajou University School of Medicine

    lead OTHER

Principal Investigators

  • Sung Yong Park, MD · Ajou University

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
16 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2012-08-31
Primary Completion
2012-12-31
Completion
2012-12-31

Countries

  • South Korea

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 NCT01846936 on ClinicalTrials.gov