HFNC for Induction During Bariatric Surgery Patients.

Fundación para la Investigación del Hospital Clínico de Valencia64 enrolled

Overview

This study aims to compared the effects of high flow nasal during the induction and during the weaning of anesthesia on intraoperative and postoperative oxygenation and postoperative atelectasis in obese patients undergoing bariatric surgery versus the standard of care, which consists in supplemental oxygen with face mask (Venturi mask).

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

PREVENTION

Masking

NONE

Enrollment

Conditions

Lung Collapse

Interventions

HFNC groupPROCEDURE

Positive pressure plus supplemental oxygen through a high flow nasal oxygen device

Standard groupPROCEDURE

Supplemental oxygen through venturi mask

Eligibility

Sex: ALLMin age: 18 Years

Medical Language ↔ Plain English

Inclusion Criteria: * Body mass index \> 35 Kg/m2 * Bariatric surgery * Informed consent signed Exclusion Criteria: * age \<18yr or \>80yr * pregnancy or breast-feeding status * patients with previous known respiratory disease * hemodynamic instability at entry (need of vasopressors or ionotropes at entry or a ventricular assist device

Locations (1)

Hospital clínico universitario

Valencia, Spain

Outcomes

Primary Outcomes

Oxygenation

The oxygenation (the ratio of partial pressure of arterial oxygen with inspiratory oxygen fraction, PaO2/FIO2) informs of the percentadge of shunt.

Time frame: intraoperative

Secondary Outcomes

Oxygenation

PaO2/FIO2

Time frame: First 24 postoperative hours

Atelectasis

Atelectasis evaluated with X-ray

Time frame: First 24 postoperative hours

Data from ClinicalTrials.gov

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