Obesity Clinical Trial - Effects of Recruitment Manouever on Oxygenation,

Status Recruiting

Clinical Trial Summary

General anesthesia and mechanical ventilation decrease pulmonar volume; attenuate small airway closure, atelectasis, and increase the rate of hypoxia and postoperative pulmonary complications. Lung volume in obese patients decreases inversely with the increase in body mass index. Obesity is associated with increased atelectasis, hypoxia and postoperative pulmonary complication rates during anesthesia . Alveolar recruitment maneuver is a technique where high positive end-expiratory pressure (PEEP) is applied for for short periods, follwed by a continuous PEEP appşication throughout surgery. This has become a standard practice during anesthesia in recent years. Oxygen reserve index (ORi) is an index measured with a non-invasive finger-tip sensor and shows the oxygen content of the venous blood. It is effective at high oxygen levels and may indicate the presence of hyperoxia. Our aim is to examine the effect of alveolar recruitment maneuver on oxygenation parameters under anesthesia and the correlation with ORi in morbidly obese patients.

Clinical Trial Description

Patients with body mass index> 40 m2, scheduled for bariatric surgery under general anesthesia will be monitorised with the ORi sensor and monitored at regular intervals. Preoperative and postoperative lung aeration will be evaluated with lung ultrasaund. İntraoperative standart anesthesia will be administered by an anesthesiolıgist not aware of the ultrasound. Alveolar recruitment will be applied by the same anesthesiologist if necessary. Blood gas samples obtained throughout surgery will be evaluated. ORİ values and intraoperative vital, respiratory, neuromuscular monitoring parameters will be obtained. Postoperative pulmonary complicationsa will be evaluated at postoperative day 5. Finding will be compared between patients who received recruitment and who did not. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05705245
Study type	Observational
Source	Balikesir University
Contact	Hafize Fisun Demir
Phone	05437838615
Email	fusdemir@yahoo.com
Status	Recruiting
Phase
Start date	January 22, 2022
Completion date	July 1, 2024

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Effects of Recruitment Manouever on Oxygenation, Oxygen Reserve Index and Postoperative Pulmonary Complications

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms