Auto-adjusting positive airway pressure in children with sickle cell anemia: results of a phase I randomized controlled trial


Marshall, Melanie J., Bucks, Romola S., Hogan, Alexandra M., Hambleton, Ian R., Height, Susan E., Dick, Moira C., Kirkham, Fenella J. and Rees, David C. (2009) Auto-adjusting positive airway pressure in children with sickle cell anemia: results of a phase I randomized controlled trial. Haematologica, 94, (7), 1006-1010. (doi:10.3324/haematol.2008.005215).

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Description/Abstract

Low nocturnal oxygen saturation (SpO2) is implicated in complications of Sickle Cell Anemia (SCA). Twenty-four children with SCA were randomized to receive overnight auto-adjusting continuous positive airway pressure (auto-CPAP) with supplemental oxygen, if required, to maintain SpO2 94% or as controls. We assessed adherence, safety, sleep parameters, cognition and pain. Twelve participants randomized to auto-CPAP (3 with oxygen) showed improvement in Apnea/Hypopnea Index (p<0.001), average desaturation events >3%/hour (p=0.02), mean nocturnal SpO2 (p=0.02) and cognition. Primary efficacy endpoint (Processing Speed Index) showed no group differences (p=0.67), but a second measure of processing speed and attention (Cancellation) improved in those receiving treatment (p=0.01). No bone marrow suppression, rebound pain or serious adverse event resulting from auto-CPAP use was observed. Six weeks of auto-CPAP therapy is feasible and safe in children with SCA, significantly improving sleep-related breathing disorders and at least one aspect of cognition.

Item Type: Article
ISSNs: 0390-6078 (print)
1592-8721 (electronic)
Keywords: therapy, red cells, hemoglobinopathies, quality of life, continuous positive airway pressure, oxygen saturation
Divisions: University Structure - Pre August 2011 > School of Medicine > Clinical Neurosciences
ePrint ID: 70202
Date Deposited: 11 Dec 2009
Last Modified: 27 Mar 2014 18:49
URI: http://eprints.soton.ac.uk/id/eprint/70202

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