Overnight Pulse Oximetry for Sleep-Disordered Breathing in Adults

Netzer, Nikolaus C.; Eliasson, Arn H.; Netzer, Cordula M.; Kristo, David A.

doi:10.1378/chest.120.2.625

Cited by 292 publications

(247 citation statements)

References 69 publications

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“…This technique is a desirable alternative to PSG, because oximetry usually provides sufficient information about respiratory patterns as well as being simpler and less expensive (Netzer et al 2001). The most widely used oximetric indexes are the ODIs.…”

Section: Discussionmentioning

confidence: 99%

“…Other studies try to provide additional information not based on periodicity but on the changes of physiological series. SaO 2 signals tend to remain constant round 97% in normal subjects, varying slightly with age and independently of ethnicity, gender or weight (Netzer et al 2001). On the other hand, significant changes can be found in patients affected by OSA because of the recurrent episodes of apnoea.…”

Section: Introductionmentioning

confidence: 96%

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Nonlinear characteristics of blood oxygen saturation from nocturnal oximetry for obstructive sleep apnoea detection

Álvarez¹,

Hornero²,

Abásolo³

et al. 2006

Physiol. Meas.

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Nocturnal oximetry is an attractive option for the diagnosis of obstructive sleep apnoea (OSA) syndrome because of its simplicity and low cost compared to polysomnography (PSG). The present study assesses non-linear analysis of blood oxygen saturation (SaO 2 ) from nocturnal oximetry as a diagnostic test to discriminate between OSA positive and OSA negative patients. A sample of 187 referred outpatients, clinically suspected of having OSA, were studied using nocturnal oximetry performed simultaneously with complete PSG. A positive OSA diagnosis was found for 111 cases, while the remaining 76 cases were classified as OSA negative. The following oximetric indexes were obtained: cumulative time spent below a saturation of 90% (CT90), oxygen desaturation indexes of 4% (ODI4), 3% (ODI3) and 2% (ODI2), and the delta index (∆ index). SaO 2 records were subsequently processed applying two non-linear methods: central tendency measure (CTM) and Lempel-Ziv (LZ) complexity. Significant differences (p < 0.01) were found between OSA positive and OSA negative patients. Using CTM we obtained a sensitivity of 90.1% and a specificity of 82.9%, while with LZ the sensitivity was 86.5% and the specificity was 77.6%. CTM and LZ accuracy was higher than that provided by ODI4, ODI3, ODI2 and CT90. The results suggest that non-linear analysis of SaO 2 signals from nocturnal oximetry could yield useful information in OSA diagnosis.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 96%

Nonlinear characteristics of blood oxygen saturation from nocturnal oximetry for obstructive sleep apnoea detection

Álvarez¹,

Hornero²,

Abásolo³

et al. 2006

Physiol. Meas.

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“…Pulse oximetry has been validated to be a reliable modality for monitoring oxygen saturation in children. [10,11] There is a strong parental satisfaction after adenotonsillectomy owing to the resolution of symptoms of their children/wards. [19] This further gives credence to the fact that adenotonsillectomy is the treatment of choice for adenotonsillar enlargement.…”

Section: Discussionmentioning

confidence: 99%

“…This long waiting time delays diagnosis and treatment and thus increases the anxiety of care givers. A simpler but yet effective testing modality to overcome these problems is pulse oximetry which is a tool that can determine oxygen saturation [10,11] with the added benefit of cost reduction and reduced waiting time. The device is easy to use and recording is accomplished over a shorter period of time.…”

Section: Introductionmentioning

confidence: 99%

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Comparing Oxygen Saturation of Normal Children with that of Children with Adenotonsillar Hypertrophy

Mbam

Adeosun

Akinyemi

et al. 2014

Indian J Otolaryngol Head Neck Surg

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To compare the nocturnal oxygen saturation profiles of children with adenotonsillar enlargement with that of normal children. A 1 year comparative study. The study was carried out at the Otorhinolaryngology Ward of the University College Hospital Ibadan. These comprise of 60 children (1-9 years) with clinically confirmed adenotonsillar enlargement admitted for adenotonsillectomy and 60 normal children matched for age and sex. The biodata and common clinical presentations of the study group were acquired with a structured proforma. The severity of nasopharyngeal obstruction was determined by the adenoidal-nasopharyngeal ratio while the degree of tonsillar enlargement was graded by the Brodsky's classification. The nocturnal oxygen saturation of all the participants were recorded with a wrist worn pulse oximeter. Recording was for at least for 4 h. Oxygen saturation \92 % was regarded as desaturation. The oximetric values of the study and control group were compared. The mean nocturnal SPO 2 (peripheral saturation of oxygen) profiles of children with adenotonsillar enlargement were as follows: basal = 96.86 %, minimum = 84.99 %; maximum = 99 % and average SPO 2 \92 % = 87.74 % while the saturation profiles of the control group were as follows; basal = 97.88 %, minimum = 89.71 %; maximum = 99 %, average SPO 2 \92 % = 90.82 %. Normal children have better nocturnal saturation profiles than children with adenotonsillar enlargement.

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Sleep‐related Breathing Disorders

Quinnell

2018

Sleep Disorders in Neurology

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Overnight Pulse Oximetry for Sleep-Disordered Breathing in Adults

Cited by 292 publications

References 69 publications

Nonlinear characteristics of blood oxygen saturation from nocturnal oximetry for obstructive sleep apnoea detection

Nonlinear characteristics of blood oxygen saturation from nocturnal oximetry for obstructive sleep apnoea detection

Comparing Oxygen Saturation of Normal Children with that of Children with Adenotonsillar Hypertrophy

Sleep‐related Breathing Disorders

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