Usefulness of discrete wavelet transform in the analysis of oximetry signals to assist in childhood sleep apnea-hypopnea syndrome diagnosis

Abstract

This work has been partially supported by the Ministerio de Economía y Competitividad and FEDER under project TEC2014-53196-R, by the project VA037U16 from Consejería de Educación de la Junta de Castilla y León, and a grant by the project 153/2015 from Sociedad Española de Neumología y Cirugía Torácica (SEPAR) and SOCALPAR. F. Vaquerizo- Villar was in receipt of a ‘Promoción de Empleo Joven e Implantación de la Garantía Juvenil en I+D+i’ grant from MINECO and the University of Valladolid and D. Álvarez was in receipt of a Juan de la Cierva grant from the Ministerio de Economía y Competitividad. F. Vaquerizo-Villar, G. C. Gutiérrez-Tobal, V. Barroso-García and R. Hornero, are with the Biomedical Engineering Group, E.T.S.I. Telecomunicación, Universidad de Valladolid, Paseo de Belén 15, 47011, Valladolid, Spain (phone: +34 983 423000, ext. 3708) (e-mail: fernando.vaquerizo@gib.tel.uva.es). D. Álvarez, F. del Campo and A. Crespo are with the Hospital Universitario Río Hortega of Valladolid, Spain (e-mail: fsas@telefonica.net). L. Kheirandish-Gozal, and D. Gozal, are with the Section of Sleep Medicine, Dept. of Pediatrics, Pritzker School of Medicine, Biological Sciences Division, The University of Chicago, Chicago, IL, 60637, USA (email: dgozal@uchicago.edu).