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Polygraphic parameters do not correlate with obstructive sleep apnoea (OSA) symptoms according to Baveno

Winfried Randerath, Marcel Treml, Simon Herkenrath, Ludger Grote, Jan Hedner, Maria R. Bonsignore, Jean-Louis Pépin, Silke Ryan, Sophia E. Schiza, Johan Verbraecken, Walter T. Mcnicholas, Athanasia Pataka, Paweł Śliwiński, Özen K. Basoglu
European Respiratory Journal 2021 58: PA2488; DOI: 10.1183/13993003.congress-2021.PA2488
Winfried Randerath
1Institute for Pneumology at the University of Cologne, Solingen, Germany
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  • For correspondence: randerath@klinik-bethanien.de
Marcel Treml
1Institute for Pneumology at the University of Cologne, Solingen, Germany
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Simon Herkenrath
1Institute for Pneumology at the University of Cologne, Solingen, Germany
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Ludger Grote
2Department of Sleep Medicine, Respiratory Medicine and Allergology, Sahlgrenska University Hospital, Gothenburg, Sweden
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Jan Hedner
2Department of Sleep Medicine, Respiratory Medicine and Allergology, Sahlgrenska University Hospital, Gothenburg, Sweden
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Maria R. Bonsignore
3PROMISE Department, University of Palermo and CNR Institute of Biomedical Research and Innovation (IRIB), Palermo, Italy
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Jean-Louis Pépin
4HP2 Laboratory, INSERM U1042, Grenoble Alpes University and EFCR Laboratory, Thorax and Vessels Division, Grenoble Alpes University Hospital, Grenoble, France
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Silke Ryan
5Department of Respiratory and Sleep Medicine, St Vincent’s University Hospital and School of Medicine, University College Dublin, Dublin, Ireland
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Sophia E. Schiza
6Department of Thoracic Medicine, Sleep Disorders Center, University of Crete, Heraklion, Greece
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Johan Verbraecken
7Multidisciplinary Sleep Disorders Centre, Antwerp University Hospital and University of Antwerp, Edegem-Antwerp, Belgium
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Walter T. Mcnicholas
5Department of Respiratory and Sleep Medicine, St Vincent’s University Hospital and School of Medicine, University College Dublin, Dublin, Ireland
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Athanasia Pataka
8Respiratory Failure Unit, G. Papanikolaou Hospital, Thessaloniki, Greece
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Paweł Śliwiński
9Institute of Tuberculosis and Lung Diseases, 4th Department of Respiratory Medicine, Warsaw, Poland
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Özen K. Basoglu
10Department of Chest Diseases, Ege University School of Medicine, Izmir, Turkey
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Abstract

Background: The correlation of symptoms and apnoea-hypopnoea index (AHI) in OSA is limited and its prognostic significance questionable. The Baveno classification was introduced to extend the classification of OSA severity considering symptoms and comorbidities. The current study evaluated associations between polygraphic (PG) data and OSA symptoms according to the Baveno classification.

Methods: OSA patients from the European Sleep Apnoea Data Base (ESADA) cohort, collected from 2007 onwards in 20 countries were categorized according to the Baveno groups A-D based on symptoms (ESS≥11, subjective sleep length ≥11h, insomnia) and comorbidities (uncontrolled arterial hypertension, atrial fibrillation, heart failure, diabetes, and history of stroke). Groups A and C (mild symptoms) as well as B and D (major symptoms) were combined to analyse their correlation with PG parameters.

Results: 14499 patients were categorized in Baveno groups A+C (55%) and B+D (45%). Anthropometric data between groups were comparable (median age 56 vs. 54, median BMI 31 vs. 32, both 72% male). PG data correlated poorly with symptoms (table 1) and showed no clinically relevant differences between Baveno groups (figure 1).

CorrelationsAHIODISpO2meanSpO2mintSpO2<90%
Symptoms0.140.14-0.11-0.130.12
Figure
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Conclusion: Isolated PG data are not suitable biomarkers to predict OSA symptoms and thus, should not be the only basis to guide therapy.

  • Apnoea / Hypopnea

Footnotes

Cite this article as: European Respiratory Journal 2021; 58: Suppl. 65, PA2488.

This abstract was presented at the 2021 ERS International Congress, in session “Prediction of exacerbations in patients with COPD”.

This is an ERS International Congress abstract. No full-text version is available. Further material to accompany this abstract may be available at www.ers-education.org (ERS member access only).

  • Copyright ©the authors 2021
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Polygraphic parameters do not correlate with obstructive sleep apnoea (OSA) symptoms according to Baveno
Winfried Randerath, Marcel Treml, Simon Herkenrath, Ludger Grote, Jan Hedner, Maria R. Bonsignore, Jean-Louis Pépin, Silke Ryan, Sophia E. Schiza, Johan Verbraecken, Walter T. Mcnicholas, Athanasia Pataka, Paweł Śliwiński, Özen K. Basoglu
European Respiratory Journal Sep 2021, 58 (suppl 65) PA2488; DOI: 10.1183/13993003.congress-2021.PA2488

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Polygraphic parameters do not correlate with obstructive sleep apnoea (OSA) symptoms according to Baveno
Winfried Randerath, Marcel Treml, Simon Herkenrath, Ludger Grote, Jan Hedner, Maria R. Bonsignore, Jean-Louis Pépin, Silke Ryan, Sophia E. Schiza, Johan Verbraecken, Walter T. Mcnicholas, Athanasia Pataka, Paweł Śliwiński, Özen K. Basoglu
European Respiratory Journal Sep 2021, 58 (suppl 65) PA2488; DOI: 10.1183/13993003.congress-2021.PA2488
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