This site became the new on June 19th. Learn more.
Show more Menu IMPORTANT: Listing of a study on this site does not reflect endorsement by the National Institutes of Health. Talk with a trusted healthcare professional before volunteering for a study. Read more... Menu IMPORTANT: Talk with a trusted healthcare professional before volunteering for a study. Read more... Menu
Give us feedback

One-Lung Ventilation in the Morbidly Obese Patient: A Comparison of a Left-Sided Broncho-Cath® Double Lumen Tube With the Arndt® Wire-Guided Blocker

This study has been completed.
Information provided by:
University of Iowa Identifier:
First received: December 18, 2008
Last updated: December 19, 2008
Last verified: December 2008
The purpose of this study is to determine whether double lumen endotracheal tubes or bronchial blockers are superior to providing one lung ventilation during thoracic surgery.

Condition Intervention
Obesity Device: Double Lumen Endotracheal Tube Device: Arndt Bronchial Blocker

Study Type: Interventional
Study Design: Allocation: Randomized
Masking: Double (Participant, Outcomes Assessor)
Primary Purpose: Treatment

Further study details as provided by University of Iowa:

Primary Outcome Measures:
  • Successful tube placement
  • Placement Time
  • Effectiveness of lung collapse

Secondary Outcome Measures:
  • Intraoperative oxygenation
  • Successful Reinflation

Enrollment: 50
Study Start Date: March 2007
Study Completion Date: December 2008
Primary Completion Date: December 2008 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: Double Lumen Endotracheal Tube Device: Double Lumen Endotracheal Tube
Active Comparator: Arndt Bronchial Blocker Device: Arndt Bronchial Blocker


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  1. Subject undergoing thoracic or esophageal surgery requiring one-lung ventilation.
  2. Subject is > 18 years of age.
  3. Patient has a BMI > 35
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00813176

United States, Iowa
University of Iowa
Iowa City, Iowa, United States, 52241
Sponsors and Collaborators
University of Iowa
  More Information

Responsible Party: Javier Campos, MD, University of Iowa Hospitals and Clinics- Department of Anesthesia Identifier: NCT00813176     History of Changes
Other Study ID Numbers: 20701755
Study First Received: December 18, 2008
Last Updated: December 19, 2008

Keywords provided by University of Iowa:
One-Lung Ventilation
One-lung ventilation in the morbidly obese patient processed this record on August 22, 2017