Randomised Controlled Study Comparing Adaptive Support Ventilation (ASV) and Synchronised Intermittent Mode of Ventilation (SIMV) with Respect to Weaning
Journal Title: International Journal of Health Sciences and Research - Year 2017, Vol 7, Issue 2
Abstract
Aim: ASV is a closed-loop ventilation mode that can act both as pressure support ventilation and pressure-controlled ventilation. The aim of the present randomised controlled study was to compare ASV mode with SIMV in ICU (Intensive Care Unit) patients with respect to weaning on the following parameters: time from readiness to wean to extubation with total numbers of ventilation days and ICU stay. Methods: 40 patients, who were on intermittent positive pressure ventilation (IPPV), were included in this study, randomly, 20 patients were weaned by ASV mode group A, and 20 patients were weaned by conventional weaning (SIMV) group B (control group). Result: We found that the patients who were on adaptive support ventilation (group A) had higher P/F ratio and better oxygenation than synchronised intermittent mode of ventilation during the period of weaning. Mean time duration of weaning upto extubation and length of stay in the ICU was shorter with ASV than SIMV mode but the difference was not statistically significant. Conclusion: This study suggest that ASV can be a useful alternative to conventional mode of ventilation for weaning from mechanical ventilation with advantage of better oxygenation and P/F ratio.
Authors and Affiliations
Deepika Doneria
Keywords
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