Oxygen Concentration During Alveolar Recruitment

Seoul National University

Status: Completed

Conditions: Atelectasis, Postoperative Pulmonary

Treatments: Procedure: FiO2_1.0; Procedure: FiO2_0.4

Study type: Interventional

Funder types: Other

Identifiers

NCT03943433

JHBahk_AR

Details and patient eligibility

About

The purpose of this study is to investigate the effect of oxygen concentration during alveolar recruitment on absorption ateletasis.

Enrollment: 98 patients

Sex: All

Ages: 20 to 70 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Patients undergoing laparoscopic obstetric or colon surgery with Trendelenburg position

Exclusion criteria

• American Society of Anesthesiologists physical status IV or more
• Severe cardiovascular disease
• Severe chronic obstructive pulmonary disease, emphysema
• History of pneumothorax, bullae
• History of lung resection surgery
• Conversion to laparotomy
• Refusal to participate

Trial design

Primary purpose: Prevention

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Double Blind

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98 participants in 2 patient groups

FiO2_1.0

Active Comparator group

Description:

Alveolar recruitment is performed with 100% oxygen concentration at specific time points.

Treatment:

Procedure: FiO2_1.0

FiO2_0.4

Experimental group

Description:

Alveolar recruitment is performed with 40% oxygen concentration at specific time points.

Treatment:

Procedure: FiO2_0.4