Obstructive Sleep Apnea in the Context of Obesity: Practical Screening and Assessment
In the second video, PA Fox focuses on the screening and assessment of obstructive sleep apnea (OSA), particularly in the context of obesity. She outlines the lack of sufficient evidence for universal screening, urging clinicians to apply their judgment when evaluating at-risk patients.
PA Fox identifies specific indicators for screening, including obesity, age, and reports of snoring or breathing interruptions during sleep. She dives into the bidirectional relationship between obesity and OSA, explaining how each condition exacerbates the other. The video highlights validated questionnaires like STOP-BANG and ESS, which aid in identifying patients who may require further evaluation. By emphasizing the importance of screening, PA Fox aims to increase awareness and improve the identification of OSA among healthcare providers.
Key Takeaways:
- There is a bidirectional relationship between obesity and OSA.
- A reduction of 5-10% body weight can improve sleep apnea symptoms.
- Obesity and OSA can and should be managed together.
Speaker
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References and Additional Resources:
Chung F, Yegneswaran B, Liao P, et al. STOP questionnaire: a tool to screen patients for obstructive sleep apnea. Anesthesiology. 2008;108(5):812-821. doi:10.1097/ALN.0b013e31816d83e4
Duarte RL, Magalhães-da-Silveira FJ, Oliveira-E-Sá TS, Silva JA, Mello FC, Gozal D. Obstructive sleep apnea screening with a 4-item instrument, named GOAL questionnaire: Development, validation and comparative study with no-apnea, STOP-Bang, and NoSAS. Nat Sci Sleep. 2020;12:57-67. doi:10.2147/NSS.S238255
Framnes SN, Arble DM. The bidirectional relationship between obstructive sleep apnea and metabolic disease. Front Endocrinol (Lausanne). 2018;9:440. doi:10.3389/fendo.2018.00440
Johns MW. A new method for measuring daytime sleepiness: the Epworth sleepiness scale. Sleep. 1991;14(6):540-545. doi:10.1093/sleep/14.6.540
Kapur VK, Auckley DH, Chowdhuri S, et al. Clinical practice guideline for diagnostic testing for adult obstructive sleep apnea: An American academy of sleep medicine clinical practice guideline. J Clin Sleep Med. 2017;13(03):479-504. doi:10.5664/jcsm.6506
Mokros Ł, Kuczyński W, Franczak Ł, Białasiewicz P. Morning diastolic blood pressure may be independently associated with severity of obstructive sleep apnea in non-hypertensive patients: A cross-sectional study. J Clin Sleep Med. 2017;13(7):905-910. doi:10.5664/jcsm.6664
Noyed D. How Weight Affects Sleep Apnea. Sleep Foundation. Published November 20, 2020. Accessed August 18, 2025. https://www.sleepfoundation.org/sleep-apnea/weight-loss-and-sleep-apnea
Obstructive Sleep Apnea in Adults: Screening. Uspreventiveservicestaskforce.org. Published November 15, 2022. Accessed August 19, 2025. https://www.uspreventiveservicestaskforce.org/uspstf/recommendation/obstructive-sleep-apnea-in-adults-screening
Tondt J, Freshwater M, Benson-Davies S, et al. Obesity Algorithm. Obesity Medicine Association; 2025. https://obesitymedicine.org/resources/obesity-algorithm/
Wolk R, Shamsuzzaman ASM, Somers VK. Obesity, sleep apnea, and hypertension. Hypertension. 2003;42(6):1067-1074. doi:10.1161/01.HYP.0000101686.98973.A3
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