Respiratory Surgery Anaesthesia
Conditions
Interventions
inverse ratio ventilation group
volume control ventilation with normal ratio
Sponsors
Faculty of medicine Ain Shams University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1.morbidly obese patients 2.for laparoscopic sleeve gastrectomy in reverse Trendelenburg position 3.from 21-45 years old, 4.ranging BMI between 35-50 kg/m2, 5.ASA II and III.
Exclusion criteria
Exclusion criteria: 1.patients with age more than 45 years and less than 21 years 2. BMI higher than 50kg/m2, 3. ASA class IV, severe intraoperative bleeding affecting hemodynamics, 4.operations that extended more than 60 minutes
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| volume-controlled inverse ratio ventilation (IRV) with inspiratory to expiratory (I:E) ratio of 2:1 could improve oxygenation as a primary outcome Lung mechanics readings including peak pressure (Ppeak), plateau pressure (Pplat), mean airway pressure (Pmean) were recorded every 10 minutes till end of the first hour, also dynamic and static compliance of the respiratory system were calculated after intubation and every 10 minutes until the end of the first hour. Static compliance = tidal volume /Pplateau-PEEP and Dynamic compliance= tidal volume/Ppeak-Peep | — |
Secondary
| Measure | Time frame |
|---|---|
| Hemodynamic parameters; Mean arterial blood pressure (MAP) heart rate (HR) were monitored at the start and all through the procedure and recorded before anesthesia induction (T0), immediately after intubation (T1), before pneumoperitoneum (T2), after pneumoperitoneum(T3) and then every 10 minutes till 60 minutes. | — |
Countries
Egypt
Contacts
Public Contactmohammed saeed
professor
Outcome results
None listed