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Effect of mean apnea-hypopnea duration in patients with obstructive sleep apnea on clinical and polysomnography parameter

  • Sema SaraçEmail author
  • Gulgun Cetintaş Afsar
Sleep Breathing Physiology and Disorders • Original Article
  • 16 Downloads

Abstract

Objective

Apnea-hypopnea index is the number of apnea-hypopnea events observed during polysomnography within an hour. Mean apnea-hypopnea duration is the mean duration of all apneas and hypopneas. In this study, we aimed to investigate the association of mean apnea-hypopnea duration in patients with obstructive sleep apnea with clinical and polysomnographic parameters.

Methods

In our hospital, a total of 764 patients were diagnosed with OSA by polysomnography in 2017. Age, body mass index, and the current diseases were recorded. Sleep structures obtained from polysomnography readings, blood oxygen levels, apnea-hypopnea index, and mean average duration were recorded. Patients with mean average duration of 20 s or more were assigned to the long average duration group and those with less than 20 s were assigned to the short average duration group. Groups were compared in terms of clinical and polysomnographic parameters.

Results

Snoring, witnessed apnea, morning tiredness, and hypertension were significantly higher in the long average duration group. There was statistically significantly more male patients and higher neck circumference in the MAD group. Total wake duration, percentage of sleep, stage 3, stage 1, and mean oxygen saturation percentage of the long average duration group were significantly reduced.

Conclusion

In present study, the patients with obstructive sleep apnea with long average duration were found to have more negative effects of sleep apnea than the patients with short average duration. We think that the use of mean apnea-hypopnea duration as an indicator with apnea-hypopnea index will be beneficial for the follow-up and treatment of the disease.

Keywords

Obstructive sleep apnea Mean apnea-hypopnea duration Polysomnography 

Notes

Acknowledgments

The authors thank Dr. Cuneyt Salturk for her kind support of the statistical analyses.

Authors’ contributions

1- Literature research: (SS, GCA).

2- Data collections (SS, GCA).

3- Study design (SS).

4- Analysis of data: (SS, GCA).

5- Manuscript of preparation (SS).

6- Review of manuscript (all authors).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interests.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards. Informed consent was obtained from all individual participants included in the study.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of Pulmonary Medicine, Sureyyapasa Teaching and Research HospitalUniversity of Medical Sciences IstanbulIstanbulTurkey
  2. 2.Department of pulmonary medicine, Istanbul Sureyyapasa Chest Diseases and Chest SurgeryHospital MaltepeIstanbulTurkey

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