To study the efficacy of non-invasive ventilation in severe bronchiolitis
Abstract
Objectives: Bronchiolitis is the most common lower respiratory tract infection in infancy and about 6-15 % of patients of acute bronchiolitis require ventilatory support. Non Invasive Ventilation by increasing Mean Airway Pressure reduces airway resistance and recruits non-functional respiratory units to improve oxygenation. The objective of this study is to determine the effectiveness of Non Invasive Ventilation in patients of severe acute bronchiolitis.
Methods: The present observational descriptive study was conducted in the department of Paediatrics, Dr. B.C. Roy Post Graduate Institute of Paediatric sciences, Kolkata, India. Those patients fulfilling the criteria for severe Acute Bronchiolitis according to Bronchiolitis Scoring System were included in this study. 76 patients were studied during the 1 year period from April 2014 to March 2015.
Results: A success rate of 72.4% has been observed in this study. Mean duration of Non Invasive Ventilation in patients where it was successful was 32.5±15.3 hours. Abnormalities in pH and PCO2 improved over a period of 6 hours.
Conclusion: Non Invasive Ventilation was found effective in 72.4% of patients of severe bronchiolitis. Abnormalities in pH & PCO2 were also improved over 6 hours. Thus, it is an effective, safe and cost effective modality of treatment of severe bronchiolitis.
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References
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