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Evidence Based Care
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Evidence Based Care Journal
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Hasanzadeh, F., Mohamadzadeh Tabrizi, Z., Amini, S., Malekzadeh, J., Mazlom, S. (2014). Comparison of the effect of pressure support ventilation and volume assured pressure support ventilation on weaning patients off mechanical ventilation after cardiac surgery. Evidence Based Care, 4(2), 43-52. doi: 10.22038/ebcj.2014.2863
Farzaneh Hasanzadeh; Zohreh Mohamadzadeh Tabrizi; Shahram Amini; Javad Malekzadeh; Seyedreza Mazlom. "Comparison of the effect of pressure support ventilation and volume assured pressure support ventilation on weaning patients off mechanical ventilation after cardiac surgery". Evidence Based Care, 4, 2, 2014, 43-52. doi: 10.22038/ebcj.2014.2863
Hasanzadeh, F., Mohamadzadeh Tabrizi, Z., Amini, S., Malekzadeh, J., Mazlom, S. (2014). 'Comparison of the effect of pressure support ventilation and volume assured pressure support ventilation on weaning patients off mechanical ventilation after cardiac surgery', Evidence Based Care, 4(2), pp. 43-52. doi: 10.22038/ebcj.2014.2863
Hasanzadeh, F., Mohamadzadeh Tabrizi, Z., Amini, S., Malekzadeh, J., Mazlom, S. Comparison of the effect of pressure support ventilation and volume assured pressure support ventilation on weaning patients off mechanical ventilation after cardiac surgery. Evidence Based Care, 2014; 4(2): 43-52. doi: 10.22038/ebcj.2014.2863

Comparison of the effect of pressure support ventilation and volume assured pressure support ventilation on weaning patients off mechanical ventilation after cardiac surgery

Article 5, Volume 4, Issue 2, Summer 2014, Page 43-52  XML PDF (188 K)
Document Type: Original Quantitative and Qualitative Research Paper
DOI: 10.22038/ebcj.2014.2863
Authors
Farzaneh Hasanzadeh1; Zohreh Mohamadzadeh Tabrizi 2; Shahram Amini3; Javad Malekzadeh1; Seyedreza Mazlom4
1Instructor of Nursing, Department of Medical-Surgical Nursing, School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran
2MS in critical care Nursing, School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran
3Associate professor of Anesthesiology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
4Phd candidate in Nursing, Department of Medical-Surgical Nursing, School of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran
Abstract
Background: Weaning from mechanical ventilation in the intensive care unit is an important step in the treatment process. More patients in less than 6 hours after cardiac surgery can be separated from mechanical ventilation and extubated. However, 20-40% of patients after cardiac surgery, due to dysfunctional ventilator weaning response (DVWR), still remain under mechanical ventilation. Therefore, a new method of mechanical ventilation such as volume assured pressure support ventilation (VAPSV) is needed in order to reduce the time of weaning from mechanical ventilation.
Aim: To compare the effect of pressure support ventilation (PSV) with volume assured pressure support ventilation (VAPS) on time of weaning from mechanical ventilation in patients after cardiac surgery.
Methods: This clinical trial study was conducted with the participation of 76 patients undergoing cardiac surgery in Imam Reza hospital of Mashhad, in 2013. Patients were randomly divided into two groups of pressure support ventilation (control) and pressure support ventilation with reliable volume (intervention) groups and the duration of mechanical ventilation and reintubation in both groups was recorded. The data were analyzed by SPSS software version 16 using t-student test and Mann-Whitney tests.
Results: The mean duration of mechanical ventilation in VAPS group (65.7±5.8) significantly decreased compared with PSV (87.1± 5.8) (P = 0.015).
Conclusion: Results of our study showed that VAPS method could reduce the time of weaning from mechanical ventilation and due to fewer complications; it can be used as an alternative method for weaning off mechanical ventilation.
Keywords
weaning from mechanical; Pressure support ventilation; ventilation Volume assured pressure support ventilation; Dysfunctional ventilator weaning response; Cardiac Surgery
Main Subjects
Pediatric Nursing
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