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Effects of Spontaneous Breathing Activity on Atelectasis Formation During General Anaesthesia

NCT01073917 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 30

Last updated 2010-10-29

No results posted yet for this study

Summary

Atelectasis and redistribution of ventilation towards non-dependent lung zones are a common side effects of general anesthesia. Spontaneous breathing activity (SBA) during mechanical ventilation may avoid or reduce atelectasis, improving arterial oxygenation; however, it is unclear whether these effects play a significant role during general anesthesia in patients with healthy lungs. Earlier studies on ventilation during general anesthesia had to rely on computed tomography (CT) findings. Recent advances in lung imaging technology allow to assess the regional aeration of the lungs continuously and non-invasive by electrical impedance technology (EIT). In this work, we will use the EIT to assess ventilation changes from the time before induction of anesthesia until discharge from the post-anesthesia care unit. Our main focus is the difference caused by pure positive pressure ventilation (PCV) and assisted spontaneous breathing (pressure support ventilation, PSV). Our findings would improve our understanding of the physiology of the lungs during general anesthesia and would help to improve the standards of respiratory care during anesthesia

Conditions

  • Atelectasis

Interventions

OTHER

Spontaneous Breathing

OTHER

Pressure Controlled Ventilation

OTHER

Pressure Support Ventilation

Sponsors & Collaborators

  • Technische Universität Dresden

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
SINGLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2010-03-31
Primary Completion
2010-10-31
Completion
2010-10-31

Countries

  • Germany

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 NCT01073917 on ClinicalTrials.gov