Comparing the effect of pressure support ventilation and volume assured pressure support ventilation in weaning of mechanical ventilation in patients after cardiac surgery
- Conditions
- Time of weaning from mechanical ventilation in patients after cardiac surgery.
- Registration Number
- IRCT2013040512896N1
- Lead Sponsor
- Mashhad Univesity of Medical Sciences
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete
- Sex
- All
- Target Recruitment
- 35
coronary bypass surgery or heart valve repair or replacement surgery is considered; age over 18 years old; the patient has no history of chronic lung disease; the patient has an EF = 30% and duration of mechanical ventilation for more than 8 hours.
Exclusion criteria: during the separation process from ventilator patients requiring cardiac resuscitation is pulmonary; drain bleeding area greater than 100 ml / h during 3 hours; the need for further surgery; PEEP> 10 cmH2O; FiO2> 60%; PF ratio <200; hemodynamic instability (MAP <65); electrolyte abnormalities affecting wearing of mechanical ventilation (Hypo speech, hypothyroidism, magnesium, hypophosphatemia); dangerous dysrhythmias leading to hemodynamic impairment; inotropes or vasopressor drug dependence and there agitation or severe sedation RASS more than 0 and less than -1
Not provided
Study & Design
- Study Type
- interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Weaning time. Timepoint: Immediately after intervention. Method of measurement: Clock(timer).
- Secondary Outcome Measures
Name Time Method Reintubation. Timepoint: After intervention. Method of measurement: Clock(timer).