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APNEA-HYPOPNEA INDEX AND CAROTID ATHEROMATOSIS
Journal of Hypertension, 2023 Objective: Verify the relationship between degrees severity of the apnea-hypopnea index and carotid atheromatous disease; identify risk factors in individuals with pathological apnea-hypopnea index and carotid atheromatous disease.
Mateus, Sónia +6 more
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Choice of Oximeter Affects Apnea-Hypopnea Index
Chest, 2005Current Medicare guidelines include an apnea-hypopnea index (AHI) > or = 15 events per hour, in which all hypopneas must be associated with 4% desaturation, to qualify for reimbursement for therapy with continuous positive airway pressure (CPAP). The present data demonstrate the effect of pulse oximeter differences on AHI.Prospective study, blinded ...
David M Rapoport, Joyce A Walsleben
exaly +3 more sources
Prediction of the Apnea-Hypopnea Index From Overnight Pulse Oximetry*
Chest, 2003s: To compare the relative usefulness of the different indexes derived from pulse oximetry in the diagnosis of obstructive sleep apnea (OSA), and to determine if a combination of these indexes improves the prediction of the apnea-hypopnea index (AHI) measured by polysomnography.Prediction model developed from 224 patients, validated prospectively in ...
Ulysses J Magalang +2 more
exaly +3 more sources
Impact of Different Criteria for Defining Hypopneas in the Apnea-Hypopnea Index
Chest, 2001To explore the effect of using different scoring criteria for hypopneas in the scoring of polysomnographic studies: (1) by estimating the level of agreement between apnea-hypopnea index (AHI) scores derived from different scoring methods, and (2) by examining the effect on the point prevalence of disease using different threshold values of the AHI ...
Graham B Byrnes +2 more
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CRANIO®Mean apnea-hypopnea duration (AHD) is the mean duration of apnea-hypopneas experienced during sleep and was found as an indicator of blood oxygenation. The aim of this study was to compare and define the differences in clinical, demographic and polysomnographic characteristics of obstructive sleep apnea (OSA) patients in long and short AHD groups and ...
Hadice Selimoğlu Şen +5 more
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Mortality-risk-based apnea–hypopnea index thresholds for diagnostics of obstructive sleep apnea
Journal of Sleep Research, 2019 The severity of obstructive sleep apnea is clinically assessed mainly using the apnea–hypopnea index. Based on the apnea–hypopnea index, patients are classified into four severity groups: non-obstructive sleep apnea (apnea–hypopnea index\ua0< 5); mild (5
Henri Korkalainen +2 more
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Journal of Medical Engineering and Technology, 2012 Obstructive sleep apnea (OSA) is commonly diagnosed based on the apnea-hypopnea index (AHI). Presently, novel indices were introduced for sleep apnea severity: total duration of sleep apnea and hypopnea events (TAHD%) and a combined index including ...
Juha Töyräs, T Hukkanen, E Mervaala
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The accuracy of BPAP determined apnea-hypopnea index
4.2 Sleep and Control of Breathing, 2015Purpose: Bilevel positive airway pressure (BPAP) devices do not only titrate BPAP pressures but also measure residual respiratory event. The aim of this study is to determine the accuracy of BPAP derived residual apnea-hypopnea index (AHI). Methods: We studied 100 patients who underwent in laboratory overnight PSG (polysomnography) using BPAP ...
H. Uluçoban Dede, A. ÇIlli
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Evaluation of an alternative definition for the apnea-hypopnea index
2010 Annual International Conference of the IEEE Engineering in Medicine and Biology, 2010The apnea-hypopnea index (AHI) plays a major role in determining whether a patient suffers from SAHS, as well as in evaluating the severity of his/her condition. To obtain this index the number of apneas and hypopneas that the patient has experienced during his/her sleep is calculated, and the result is divided by the number of hours of sleep.
Abraham, Otero +3 more
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