Discussion and Q&A - 2025 Sleep and Breathing conference

Markers of autonomic dysregulation and other non-hypoxaemia-related markers in obstructive sleep apnoea (OSA)

Chair(s): Esther Irene Schwarz, Martino Pengo

Session type: Symposium

Discussion and Q&A

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Session content

Introduction

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The relevance of arousal threshold and loop gain for treatment choice and outcomes in obstructive sleep apnoea (pre-recorded)

Winfried J. Randerath

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The prognostic relevance of pulse wave amplitude drops and pulse transit time changes in obstructive sleep apnoea

Raphael Heinzer

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The prognostic relevance of heart rate variability and delta heart rate in obstructive sleep apnoea

Carolina Lombardi

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Discussion and Q&A

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Session aims

Discussion of newer OSA severity markers and their prognostic relevance and significance in different OSA subtypes. In addition to the apnoea-hypopnoea-index and the hypoxaemia-related markers (oxygen-desaturation-index, time with SpO2 <90%, hypoxemic burden), further physiological signals from sleep studies are available, in particular for autonomic cardiovascular function. Their additional benefits and limitations in certain populations will be demonstrated and critically discussed.

Sleep and Breathing Conference

10-12 April 2025 | Antwerp, Belgium

The eighth conference organised by the ERS and the ESRS

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