Lung Ultrasound Versus Dynamic Lung Compliance to Detect the Optimum PEEP After Alveolar Recruitment for Patients Undergoing Laparoscopic Gastric Sleeve Surgery

Lung Ultrasound Versus Dynamic Lung Compliance to Detect the Optimum PEEP After Alveolar Recruitment for Patients Undergoing Laparoscopic Gastric Sleeve Surgery, Randomized Clinical Trial

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT04704596

Enrollment

Registered

2021-01-11

Start date

2020-12-16

Completion date

2022-01-20

Last updated

2022-07-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Mechanical Ventilation During Anesthesia

Brief summary

The aim of this study is to evaluate The role of transthoracic lung US as a clinical tool in Comparison to dynamic lung compliance for detection of optimum PEEP for obese patients undergoing laparoscopic gastric sleeve surgery.

Interventions

DEVICEanesthesia ventilator machine

dynamic lung compliance measurements will be used for detection of the optimum PEEP after alveolar recruitment

DEVICElung ultrasound

lung ultrasound views will be used for detection of the optimum PEEP after alveolar recruitment

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

PREVENTION

Masking

QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender

ALL

Age

18 Years to 65 Years

Healthy volunteers

Inclusion criteria

* physical status American Society of Anesthesiologist(ASA) I or II

Exclusion criteria

* Patients refuse ASA physical status more \> II * Patients with pre-existing significant pulmonary disease with abnormalities in spirometry, previous lung surgery, home oxygen therapy and signiﬁcant cardiac dysfunction. * Patients with pulmonary hypertension.

Design outcomes

Primary

Measure	Time frame	Description
detection of the optimum PEEP which is measured in mmHg	intraoperative period	the optimum PEEP will be detected after alveolar recruitment either by dynamic lung compliance or by lung ultarsound views

Secondary

Measure	Time frame	Description
prevention of postoperative pulmonary complications	1st 24 hour	patients will be monitored for detection of postoperative pulmonary complictaios as atelectasis , pneumothorax , respiratory failure

Countries

Egypt

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026