Abstract
Background
Although continuous positive airway pressure (CPAP) therapy curtails most of the negative impacts of obstructive sleep apnea (OSA), its efficacy is limited by its low long-term adherence. Nasal obstruction contributes to OSA pathophysiology and necessitates high CPAP titration pressures which reduce CPAP compliance.
Aim
This study aims at elucidating the outcomes of surgical correction of nasal obstruction in patients intolerant to CPAP therapy.
Methods
Forty-nine patients with severe OSA intolerant to CPAP secondary to surgically correctable nasal obstruction were operated upon. Patients were evaluated preoperatively and at least 3 months after the surgical intervention. Subjective assessment entailed the Nasal Obstruction Symptom Evaluation score (NOSE) and the Epworth Sleepiness Scale (ESS). Objectively the patients were assessed by acoustic rhinometry and standard polysomnography.
Results
Nasal surgical intervention resulted in an a statistically significant decrease in the mean NOSE score, ESS and optimal CPAP titration pressure. In addition, the minimal cross-sectional area (MCA1&2) increased significantly postoperatively. There was a positive correlation between the improvement in NOSE score as well as the MCA1& 2 and the postoperative decrease in CPAP titration pressure. Surgical correction of nasal obstruction improved CPAP outcomes and compliance in all patients.
Conclusions
Nasal surgery in OSA objectively assessed by acoustic rhinometry improved nasal obstruction with a resultant decrease in the CPAP pressure requirements. Given that lower CPAP pressures improve adherence to CPAP therapy, surgical alleviation of nasal obstruction should be considered a crucial intervention in the management armamentarium of OSA.
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All the authors contributed to the study conception and design. Material preparation and data collection were performed by Mahmoud Ibrahim. Data analysis was performed by Samy Elwany. The initial draft of the manuscript was written by Ahmed Yassin Bahgat and Remon Bazak. It was subsequently modified by Samy Elwany and Remon Bazak. All the authors read and approved the final manuscript.
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The study was performed in accordance with the Helsinki declaration and was approved by the Institutional Review Board.
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Elwany, S., Bahgat, A.Y., Ibrahim, M. et al. Surgical correction of nasal obstruction in obstructive sleep apnea improves CPAP outcomes and compliance. Ir J Med Sci 191, 2723–2728 (2022). https://doi.org/10.1007/s11845-021-02896-6
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DOI: https://doi.org/10.1007/s11845-021-02896-6