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İn This Study, Patients Undergoing Bariatric Surgery Will be Divided Into Two Groups. The Control Group Will Receive Normal-flow, While the Study Group Will Receive Low-flow Inhalational Anesthesia. The Aim is to Compare the Incidence of Postop Atelectasis-between the Two Groups Using USG Evaluation
Sponsor: Istanbul University
Summary
This study is a clinical trial and its purpose is to evaluate the effect of low and normal flow anesthesia on atelectasis formation in patients undergoing bariatric surgery by ultrasonography. In this study, lung ultrasounds and respiratory function tests will be performed on volunteers before and after surgery. These procedures are completely painless and safe. No invasive procedure will be performed in the study; the methods used do not pose any additional risk other than existing treatment procedures.
Official title: THE EFFECT OF LOW-FLOW-ANESTHESİA ON POSTOPERATİVE ATELECTASİS İN PATİENTS UNDERGOİNG BARİATRİC SURGERY: AN EVALUATİON USİNG ULTRASOUND
Key Details
Gender
All
Age Range
18 Years - 65 Years
Study Type
INTERVENTIONAL
Enrollment
60
Start Date
2025-06-20
Completion Date
2026-01-31
Last Updated
2025-06-27
Healthy Volunteers
No
Interventions
Inhalational anesthesia
In Group D, patients undergoing bariatric surgery will receive low-flow inhalational anesthesia (0.5-1 L/min) with sevoflurane. The aim is to evaluate whether the reduced fresh gas flow rate decreases the incidence of postoperative atelectasis, assessed via pulmonary ultrasonography. In Group N, patients undergoing bariatric surgery will receive standard-flow inhalational anesthesia (2-4 L/min) with sevoflurane. This group serves as the comparator to evaluate the impact of flow rate on postoperative atelectasis incidence.