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Perioperative Diaphragmatic Ultrasound as Predictive Index of Atelectasis in Bariatric Surgery

NCT04701541 · Status: UNKNOWN · Phase: NA · Type: INTERVENTIONAL · Enrollment: 40

Last updated 2021-01-08

No results posted yet for this study

Summary

In this study the Authors assume that peri-operative changes in DIA are predictive of postoperative atelectasis, thus providing a clinically useful tool to stratify the need for high-intensity monitoring, including admission to intensive care. Aim of this prospective observational study, in obese patients undergoing sleeve gastrectomy, is to evaluate the relationship between pre to postoperative changes in US-DIA and PaO2/FiO2.

Conditions

  • Postoperative Pulmonary Atelectasis
  • Morbid Obesity

Interventions

DEVICE

Diaphragmatic Ultrasound

Diaphragmatic ultrasound is non-invasive, portable, quick to perform, with a linear relationship between diaphragmatic movement and inspired volume. In eligible patients, a preoperative baseline ultrasound evaluation of the diaphragm and lungs is accomplished. Evaluation will be performed by a single operator, blinded to the arterial blood gas analysis values. In a semi recumbent position, patients will be asked to rest and breath quietly. An anterior approach will be carried out applying freehand transducer on abdomen at the right midclavicular line immediately below the costal margin with firm pressure, steering in cranial direction. A B-mode transverse scanning will be performed looking across the liver with gallbladder in the middle. Measurements will be recorded by the M-mode frozen images. The M-mode modality will be used to study DIA. The best sinusoidal curve will be considered for measurements.

Sponsors & Collaborators

  • University of Roma La Sapienza

    lead OTHER

Principal Investigators

  • Francesco Alessandri · Emergency and Acceptance Depart., Anaesth. and Critical Areas, P. Umberto I

Study Design

Allocation
NA
Purpose
DIAGNOSTIC
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Max Age
70 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2020-01-01
Primary Completion
2020-12-31
Completion
2021-05-31

Countries

  • Italy

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04701541 on ClinicalTrials.gov