de Castro, Steve M.M.

De Vries, Nicolaas

Hazebroek, Eric J.

Nijland, Leontien M.G.

Ravesloot, Madeline J.L.

van Veen, Ruben N.

van Veldhuisen, Sophie L.

Abstract: Background Preoperative assessment of obstructive sleep apnea (OSA) in patients scheduled for bariatric surgery can be performed by in-laboratory polysomnography (PSG) or by portable polygraphy (PP) at home. We aimed to evaluate the association between PSG/PP, OSA diagnosis, and implementation of continuous positive airway pressure (CPAP) therapy. Methods All patients who underwent bariatric surgery from 2015 to 2017 were retrospectively reviewed. Patients underwent preoperative PSG or PP, based on prevailing protocols or at the physician's discretion. Logistic regression analyses were performed to determine predictors of CPAP implementation. OSA-related postoperative complications were analyzed in both groups. Results During the study period, 1464 patients were included. OSA was diagnosed in 79% of 271 patients undergoing PSG, compared to 64% of 1193 patients undergoing PP (p = 50 (3.85), PSG test (2.74), hypertension (2.38), and age >= 50 (1.87). OSA-related complications did not differ between groups (p = 0.277). Conclusion Both PSG and PP are feasible options for preoperative OSA assessment in bariatric patients. When PP is performed, some underdiagnosis may occur as cases of mild OSA may be missed. However, clinically relevant OSA is detected by both diagnostic tools. No difference in OSA-related complications was found. PP is a safe, less invasive option and can be considered as a suitable measure for OSA assessment in this population

Preoperative assessment of obstructive sleep apnea in bariatric patients using polysomnography or polygraphy

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