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Nigerian Journal of Paediatrics

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Improvised bubble continuous positive airway pressure (BCPAP) device at the National Hospital Abuja gives immediate improvement in respiratory rate and oxygenation in neonates with respiratory distress

LI Audu, AT Otuneye, AB Mairami, MY Mukhtar

Abstract


Background: Prematurity accounts for 25% of Neonatal mortality in Nigeria and Respiratory Distress Syndrome is responsible for half of these deaths. Introducing continuous positive airway pressure for the treatment of RDS in Nigeria where health care financing is predominantly out-of-pocket is quite challenging. It was hypothesized that applying the principle of under-water-seal pressure generation could convert a simple oxygen delivery system into an effective Bubble CPAP device.
Objectives: To provide evidence in support of the immediate clinical effectiveness of the NHBCPAP device.
Design/Methods: At the neonatal unit of the National Hospital Abuja, we assembled a circuit of tubing connecting a gas source (oxygen concentrator or cylinder) through an interface (nasal prongs) to the baby and this was further connected through an expiratory tube to an under-waterseal bottle to generate CPAP. The device is activated by turning on the oxygen source. The device was applied to preterm babies with RDS as well as some term babies with respiratory distress admitted into the neonatal intensive care units. Respiratory rate, SPO2 and other signs of respiratory distress were monitored before and at 1 hour, 6 hours and 12 hours after the application.
Results: Forty eight newborn babies with respiratory distress were treated with the device out of whom twenty three (48%) were very low birth weight with respiratory distress syndrome. The mean respiratory rate dropped from 64.5 (19.2)/min before commencement of CPAP to 59.5(11.6)/min, 56.6 (10.5), and 56.6(10.7) at 1, 6 and 12 hours respectively, p<0.05. The corresponding values for SPO2 were 84.5(14) before and 95.9 (5.3), 95.9(6.5) and 96.9(6.4) at 1, 6 and 12 hours respectively, p<0.05. The respiratory changes were however less marked among very low birth weight babies.
Conclusion: The simplified customized device produces clinical responses similar to those reported for the conventional CPAP devices.




http://dx.doi.org/10.4314/njp.v42i1.4
AJOL African Journals Online