Gastroplasty and Electrical Impedance Tomography

Daniella Cunha Brandao

Status

Completed

Conditions

Gastropathy

Treatments

Procedure: Conventional mechanical ventilation

Procedure: Alveolar Recruitment Maneuver

Study type

Interventional

Funder types

Other

Identifiers

NCT03476863

Gastro01

Details and patient eligibility

About

Worldwide there is a high prevalence of morbid obesity with a progressive increase in incidence in recent years, causing serious consequences for the health services. Approximately 12% of the world population is obese and Brazil is in 77º without world ranking of countries in cases of obesity. In this context, bariatric surgery appears as an effective method of treating refractory obesity. Support of high fractions of oxygen administered during anesthesia is produced, it accepts the use of Positive Positive Positive Pressure (PEEP) through the Alveolar Recruitment Maneuver (ARM), which has been used allowing small fractions inspired by oxygen, which reduces intra-and postoperative atelectasis and optimizes gas exchange during anesthesia. In order to better monitor ventilatory mechanics, Electrical Impedance Tomography (EIT) appears as a cheap imaging method when compared to a non-invasive magnetic resonance imaging (CT) or MRI, with no side effects and recent studies shown in its life as pneumothorax , MRA monitoring, collapse detection, and PEEP titration. The aim of this study is to evaluate the impact of ARM and its repercussions on lung function and respiratory mechanics. This is a randomized controlled clinical trial with patients undergoing videolaparoscopic gastroplasty surgery, of both sexes. Patients were randomly assigned to Control Group and Experimental Group. Patient evaluation is performed without before, during and postoperative, through a pulmonary function test and EIT.

Enrollment

31 patients

Sex

All

Ages

20 to 65 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Patients submitted to videolaparoscopy gastroplasty surgery, of both sexes

Exclusion criteria

Severe pneumopathies;
Congestive heart failure (NYHA class III or IV);
Coronary artery disease, and those who, for any clinical, surgical and psychosocial reasons, require intervention by laparotomy and those with hemodynamic instability (PAM) <60 mmHg) at the time recorded for performing the alveolar recruitment maneuver.