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Tuberk Toraks. 2015;63(1):31-6.

A new approach in the diagnosis of upper airway resistance syndrome (UARS): PAP method.

Author information

1
Department of Chest Diseases, Faculty of Medicine, Gazi University, Ankara, Turkey. kanbaydr@yahoo.com.

Abstract

INTRODUCTION:

Upper airway resistance syndrome (UARS) is characterized by repeated number of arousals at night, and excessive daytime sleepiness or somnolence (EDS). It is often missed in classical polysomnographic diagnostic approaches and misdiagnosed as simple snoring or idiopathic hypersomnia, thereby is often left untreated. We propose that positive airway pressure (PAP), which has shown to be effective against UARS, can be used as a diagnostic tool as well. The study designed to test whether patients with high titration pressures can be diagnosed for UARS, and whether this pressure can be used as the treatment pressure in UARS.

MATERIALS AND METHODS:

This study is a retrospective cohort study. The patients with the following selection criteria: apnea hypopnea index (AHI) < 5, respiratory effort related arousal (RERA) index > 20, excessive daytime sleepiness or somnolence (EDS) without nocturnal oxygen desaturation levels were included to the study. After diagnostic polysomnography (PSG), PAP titrarion was applied to diagnose and treatment.

RESULTS:

Fourteen (%46.7) of the patients were male, 16 (%53.3) were female, with a mean age of 46.4 ± 9.9 and mean body mass index (BMI) of 26 ± 3.3. The patiens had a mean Epworth sleepiness scale 15.3 ± 3.9, mean AHI: 2.3 ± 1.4 and average RERA: 26.1 ± 4.9. The mean CPAP titration pressure was 7.1 ± 1.1 cmH2O.

CONCLUSION:

In the light of current findings, during PAP titration patients required high pressures is the evidence of increased upper airway resistance in UARS. Using the from therapy to diagnosis protocol, the PAP protocol determines the individual therapeutic pressures needed by patients. Following up the clinical outcomes of these patients under the PAP treatment, and including a larger cohort will contribute greatly to treating this syndrome, defined as one of the "unresolved problems in years".

PMID:
25849053
[Indexed for MEDLINE]
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