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South African Journal of Child Health

versão On-line ISSN 1999-7671
versão impressa ISSN 1994-3032


BROWDE, K  e  MORROW, B M. Non-invasive continuous positive airway pressure ventilation and high-flow nasal cannula oxygen therapy use in children without primary lung pathology: A prospective observational study. S. Afr. j. child health [online]. 2019, vol.13, n.2, pp.84-88. ISSN 1999-7671.

BACKGROUND. Non-invasive nasal continuous positive airway pressure (nCPAP) and high-flow nasal cannula oxygen therapy (HFNC) are non-invasive ventilation (NIV) modalities appropriate for children in developing countries. There is minimal literature describing nCPAP and HFNC use in children with respiratory compromise secondary to non-pulmonary disease. OBJECTIVES. Th present study aimed to describe the characteristics and outcomes of children without primary lung pathology, who received nCPAP and HFNC during their admission to Red Cross War Memorial Children's Hospital, Cape Town, South Africa. METHODS. This was a prospective observational study of routinely collected data, between August 2015 and January 2016. Primary and secondary outcome measures were NIV failure (progression to intubation and invasive ventilation) and paediatric intensive care unit (PICU) admission, respectively. Comparative statistics were conducted using Mann-Whitney U or t-tests. Data significantly associated with the primary and secondary outcomes on univariate analysis were entered into backward stepwise logistic regression models to determine independent predictive factors. RESULTS. There were 31 cases of nCPAP and 1 case of HFNC use in 31 patients (median age 3.5 (interquartile range (IQR) 1.8 - 7.6) months). The majority (n=23; 71.9%) presented with primary diarrhoeal disease. There were 2 deaths (6.5%), 17 (53.1%) PICU admissions, and 5 (15.6%) cases received invasive ventilation (NIV failure). The median duration of hospital stay was 11.5 (IQR 6.0 - 17.5) days. Patients who failed NIV had lower admission SaO2 levels than those without treatment failure (95% (IQR 95 - 99) v. 100% (IQR 100 - 100); p=0.03). On multiple logistic regression, lower temperature (adjusted OR (aOR) 0.19; 95% confidence interval (CI) 0.05 - 0.78; p=0.02) and receiving inotropes in the emergency setting (aOR 23.05; 95% CI 1.64 - 325.06; p=0.02) were independently associated with PICU admission. CONCLUSION. nCPAP was used clinically for the management of children with respiratory compromise secondary to non-pulmonary illnesses, particularly diarrhoeal disease. Larger controlled clinical studies are needed to determine the effectiveness and utility of nCPAP in this population. HFNC was not commonly used, and this modality requires further investigation in this population.

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