Patient-reported outcome: results of the multicenter German post-market study

Abstract

Purpose

Upper airway stimulation (UAS) is an alternative second-line treatment option for patients with obstructive sleep apnea (OSA). In our substudy of a previous multicentre study of patients implanted with UAS, we focused on patient-related outcomes like Epworth Sleepiness Scale (ESS), the Functional Outcomes of Sleep Questionnaire (FOSQ), snoring and personal satisfaction 6 and 12 months after the implantation.

Methods

60 patients, who were initially non-adherent to CPAP and implanted with UAS, were included in a prospective multicentre study. Data were collected preoperative, 6 and 12 months after implantation regarding FOSQ, ESS, snoring, and their experience with the UAS device.

Results

Besides relevant Apnoea–Hypopnea Index (AHI) reduction, we saw significant improvements in ESS (p < 0.001), FOSQ (p < 0.001) and snoring under UAS therapy. A strong correlation between AHI results postoperative and the personal satisfaction of the patients after implantation was found as well as between usage results and AHI compared to the preoperative results.

Conclusion

The more the patients benefit from UAS according to their self-reported outcome, the higher is the therapy use.

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