Ontology highlight
ABSTRACT:
SUBMITTER: da Silva EL
PROVIDER: S-EPMC4602981 | biostudies-literature | 2015 Jan
REPOSITORIES: biostudies-literature
da Silva Eduardo Luiz Pereira ELP Pereira Rafael R Reis Luciano Neves LN Pereira Valter Luis VL Campos Luciana Aparecida LA Wessel Niels N Baltatu Ovidiu Constantin OC
Medicine 20150101 4
In the present study, we aimed at investigating a heart rate variability (HRV) biomarker that could be associated with the severity of the apnea-hypopnea index (AHI), which could be used for an early diagnosis of obstructive sleep apnea (OSA). This was a cross-sectional observational study on 47 patients (age 36 ± 9.2 standard deviation) diagnosed with mild (23.4%), moderate (34%), or severe (42.6%) OSA. HRV was studied by linear measures of fast Fourier transform, nonlinear Poincaré analysis, a ...[more]