Alok Kumar1, Saajan Joshi2, Nikhil Tiwari3, Vivek Kumar4, H R Ramamurthy5, Gaurav Kumar6, Vipul Sharma7. 1. Classified Specialist (Anaesthesia & Cardio-Thoracic Anaesthesia), Army Hospital (R&R), New Delhi, India. 2. Senior Advisor (Anaesthesia) & Trained in Paediatric Anaesthesia, Army Hospital (R&R), New Delhi, India. 3. Senior Advisor (Surgery) & Cardio-Thoracic Surgeon, Army Hospital (R&R), New Delhi, India. 4. Classified Specialist (Paediatric) & Trained in Paediatric Cardiology, Army Hospital (R&R), New Delhi, India. 5. Senior Advisor (Paediatric) & Trained in Paediatric Cardiology, Army Hospital (R&R), New Delhi, India. 6. Senior Consultant (Paediatric Cardiac Surgery), Fortis Hospital, Delhi, India. 7. Professor (Cardiac Anaesthesia), Dr. D.Y. Patil Medical College, Pune, India.
Abstract
Background: This study aimed to compare high-flow nasal cannula (HFNC) oxygenation vs nasal intermittent ventilation (NIV) oxygenation for respiratory care after extubation in postoperative paediatric cardiac patients. Methods: This study was a randomised controlled trial. One hundred twenty-one paediatric patients with acyanotic congenital heart disease undergoing corrective cardiac surgery on cardiopulmonary bypass were included in the study. Patients were randomised to receive either HFNC (AIRVO) or NIV (RAM Cannula) postextubation. Arterial blood gas was analysed at different time points perioperatively. Results: Patients in both the groups were matched with respect to diagnosis and demographic profiles. Baseline hemodynamic and respiratory parameters were also similar in both the groups. Patients in HFNC/AIRVO group did not show improved carbon dioxide (CO2) washout but showed improved pO2 and pO2/FiO2 ratio immediate postextubation. Reintubation rate and other intensive care unit (ICU) complications were similar in both the groups. Conclusion: Postcardiopulmonary bypass respiratory complications in paediatric patients with congenital acyanotic heart disease can be minimised with newer oxygen therapy devices such as AIRVO (HFNC) or RAM cannula (NIV). In comparison between these two, AIRVO did not show improved CO2 washout over RAM cannula; however, it did provide better oxygenation as measured by pO2 in arterial blood and pO2/FiO2 ratio immediate postextubation. Also, long-term results such as duration of mechanical ventilation and ICU stay were not affected by the choice of device.
Background: This study aimed to compare high-flow nasal cannula (HFNC) oxygenation vs nasal intermittent ventilation (NIV) oxygenation for respiratory care after extubation in postoperative paediatric cardiac patients. Methods: This study was a randomised controlled trial. One hundred twenty-one paediatric patients with acyanotic congenital heart disease undergoing corrective cardiac surgery on cardiopulmonary bypass were included in the study. Patients were randomised to receive either HFNC (AIRVO) or NIV (RAM Cannula) postextubation. Arterial blood gas was analysed at different time points perioperatively. Results: Patients in both the groups were matched with respect to diagnosis and demographic profiles. Baseline hemodynamic and respiratory parameters were also similar in both the groups. Patients in HFNC/AIRVO group did not show improved carbon dioxide (CO2) washout but showed improved pO2 and pO2/FiO2 ratio immediate postextubation. Reintubation rate and other intensive care unit (ICU) complications were similar in both the groups. Conclusion: Postcardiopulmonary bypass respiratory complications in paediatric patients with congenital acyanotic heart disease can be minimised with newer oxygen therapy devices such as AIRVO (HFNC) or RAM cannula (NIV). In comparison between these two, AIRVO did not show improved CO2 washout over RAM cannula; however, it did provide better oxygenation as measured by pO2 in arterial blood and pO2/FiO2 ratio immediate postextubation. Also, long-term results such as duration of mechanical ventilation and ICU stay were not affected by the choice of device.
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