Individualized Lung Recruitment Maneuver Guide by Pulse-oximetry in Anesthetized Patients

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

2016-01-31

Study Completion Date

2016-08-31

Brief Summary

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General anesthesia and mechanical ventilation promotes atelectasis and airway closure. The open-lung approach (OLA) strategy restores the functional residual capacity. Pulse oximetry hemoglobin saturation (SpO2) using room air can diagnose shunt induced by lung collapse during general anesthesia and the SpO2 breathing air was useful to detect the lung´s opening and closing pressure during a recruitment maneuver (RM) in morbidly obese anesthetized patients.

Investigators hypothesized that the SpO2 breathing air can personalize the open-lung approach.

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Detailed Description

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Increase in airway pressure until the SpO2 reaches 97% (lung´s opening pressure) during the incremental positive end-expiratory (PEEP) limb. Decrease in the PEEP level until the SpO2 decreases bellow 97% (lung´s closing pressure)

Conditions

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Abdominal Cancer

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Interventions

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Open-lung approach

Increase and decrease in airway pressure to open the lung and keep them opened.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Non-obese patients with ASA physical status I-III undergoing elective abdominal laparoscopic surgery with an expected operating time of less than 2 hours were included.