In this study, the investigators planned to evaluate the effect of alveolar recruitment strategy primarily on postoperative pulmonary complications in obese patients undergoing lung protective ventilation in major open gynaeco-oncological surgeries. Our other aim was to evaluate perioperative haemodynamics, respiratory mechanics,inpatient length of stay.
Patients with ASAII and III
BMI>30 kg/m2 ,<40 kg/m2
Patients with an ARISCAT risk score of 26-44
Patients with an Assessment of Respiratory Risk in Surgical Patients in Catalonia (ARISCAT) risk score > 44
BMI > 40 kg/m2 patients
As a result of power analysis, the minimum sample size was determined as 16 for each group with an effect size of 1.2, a 5% margin of error and 95% power. We planned 20 patients for each group due to data losses and deficiencies.
Cohort
Prospective
alveolar recruitment strategy applied group
Devicethe effect of alveolar recruitment strategy on the mechanical parameters of the patients
group without alveolar recruitment strategy
Drugeffect on mechanical parameters of patients without alveolar recruitment strategy
postoperative pulmonary complications
Our primary aim was to compare the presence of postoperative pulmonary complications. The presence of these pulmonary complications will be compared between preoperative chest X-ray and postoperative day 1 X-ray imaging in patients with Assess Respiratory Risk in Surgical Patients in Catalonia (ARISCAT) risk score below 44.
intraoperative haemodynamic parameters
Our secondary aim was to evaluate intraoperative haemodynamic parameter(mean arterial pressure) in alveolar recruitment strategy in lung-protective ventilation.
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