Validation and implementation of ambulatory obstructive sleep apnea polygraphy screening combined with wearable semi-continuous heart rhythm monitoring in patients with atrial fibrillation: a validation and a pilot study - Takeaways - MDSpire

Validation and implementation of ambulatory obstructive sleep apnea polygraphy screening combined with wearable semi-continuous heart rhythm monitoring in patients with atrial fibrillation: a validation and a pilot study

  • By

  • Anouk Delaet

  • Rana Önder

  • Paulien Vermunicht

  • Lieselotte Knaepen

  • Michiel Delesie

  • Johan Verbraecken

  • Karolien Weytjens

  • Paul Dendale

  • Johan Vijgen

  • Hein Heidbuchel

  • Lien Desteghe

  • June 26, 2026

  • 0 min

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  • 1

    The NOX-T3s polygraphy device was validated for obstructive sleep apnea (OSA) screening in atrial fibrillation (AF) patients.

  • 2

    NOX-T3s demonstrated good diagnostic performance for moderate-to-severe OSA, with an AUC of 0.83 for simultaneous recordings.

  • 3

    In the NOXFib-AF study, 79.3% of patients screened positive for moderate-to-severe OSA, with 61.9% confirmed by polysomnography.

  • 4

    Semi-continuous heart rhythm monitoring via smartwatch detected AF in 64.3% of patients, identifying significantly more episodes than spot-checks.

  • 5

    Patient comfort was high for both the NOX-T3s device and rhythm monitoring, with scores of 32 and 34 out of 40, respectively.

Original Source(s)

Validation and implementation of ambulatory obstructive sleep apnea polygraphy screening combined with wearable semi-continuous heart rhythm monitoring in patients with atrial fibrillation: a validation and a pilot study

  • by Anouk Delaet, Rana Önder, Paulien Vermunicht, Lieselotte Knaepen, Michiel Delesie, Johan Verbraecken, Karolien Weytjens, Paul Dendale, Johan Vijgen, Hein Heidbuchel, Lien Desteghe

  • June 26, 2026

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