Estimation of Perioperative Atelectasis

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

30 participants

Study Classification

OBSERVATIONAL

Study Start Date

2017-12-04

Study Completion Date

2018-08-28

Brief Summary

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This study will compare an oxygenation test based on arterial blood gas analysis with computed tomography for estimating the extent of atelectasis.

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Detailed Description

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Computed tomography of the lungs is the gold standard for investigating the extent of atelectasis, which is common in the perioperative setting. Atelectasis increase the risk of postoperative pulmonary complications and result in pulmonary shunt, which is one of the two major causes of impaired oxygenation. The other cause is admixture of venous blood from poorly ventilated regions of the lungs. The investigators have developed an oxygenation test utilizing arterial blood gas analysis at different inspired fractions of oxygen, which may be used to distinguish between these two causes. This observational study aims to establish the agreement between computed tomography and the oxygenation test for estimating the extent of atelectasis.

Conditions

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Atelectasis Oxygenation

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* American Society of Anesthesiology (ASA) class I-II.
* Non-abdominal day case surgery under general anesthesia.
* Patients enrolled in study registered in ClinicalTrials with NCT ID.