Inverse Ratio Ventilation on Bariatric Operation

August 30, 2015 updated by: Youn Yi Jo, Gachon University Gil Medical Center

Effects of a Changes in Inspiratory to Expiratory Ratio on Respiratory Mechanics and Oxygenation During Laparosopic Bariatric Surgery

for evaluating inverse ratio ventilation of laparoscopic bariatric surgery

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

inverse ratio ventilation had been improve the oxygenation and respiratory mechanics during care of ARDS patients or during general anesthesia. We hypothized inverse ratio ventilatio could improve the oxygenation and respiratory mechanics on the obese patient also.

Study Type

Interventional

Enrollment (Actual)

30

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

20 years to 65 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • ASA PS 1-2 obese patients(BMI>30)

Exclusion Criteria:

  • underlying cardiopulmonary diasease

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Prevention
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: inverse ratio ventilation
in one group change the I:E ratio during pneumoperitoneum 1:2-1:2-2:1
Other: inverse ratio ventilation
change the I: E ratio 1:2-1:1-2:1

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Arterial oxygenation (PaO2)
Time Frame: baseline PaO2-2hour after pneumoperitoneum
sampling for arterial blood from arterial cannular weill be analysed 10 min after anesthetic induction, 20 min after pneurmoperitoneum (PP)with 1:2 of IE ratio, 20 min after after pneurmoperitoneum (PP)with 1:1 of IE ratio, after pneurmoperitoneum (PP)with 2:1 of IE ratio and end of operation
baseline PaO2-2hour after pneumoperitoneum

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Gachon University Gil Medical Center

Investigators

  • Study Director: Kyung Cheon Lee, M.D, Gachon Universiy Gil Medical Center

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

September 1, 2013

Primary Completion (Actual)

December 1, 2014

Study Completion (Actual)

December 1, 2014

Study Registration Dates

First Submitted

August 8, 2013

First Submitted That Met QC Criteria

August 11, 2013

First Posted (Estimate)

August 14, 2013

Study Record Updates

Last Update Posted (Estimate)

September 1, 2015

Last Update Submitted That Met QC Criteria

August 30, 2015

Last Verified

August 1, 2015

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • GCIRB2013-164

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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