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Look further than AHI

AHI may not reveal everything you need to know1

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While AHI is a critical metric for diagnosing sleep apnea, a single AHI measurement may not uncover these major factors that can impact the treatment pathway:

Look further for: 

30Asset 10@2x

In OSA patients, insomnia can reduce CPAP compliance and is associated with serious health issues2,3

In a clinical study comparing OSA patients with and without insomnia,2 those with insomnia had:

  • More than double the rate of heart disease
  • Higher depression
  • Lower quality of life

Many patients may not adequately report their insomnia symptoms—or even mention them at all4

Look further for:

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Because of night-to-night variability, a single overnight test can lead to an inaccurate diagnosis

Factors contributing to night-to-night variability may include:

  • Classic first-night effect, including increased N1 sleep and decreased sleep efficiency6
  • Variability in sleep position6

*In patients with mild to moderate sleep apnea

Look further for:

  • Distinguishing between obstructive sleep apnea and central sleep apnea
  • True sleep time
  • Sleep stages
  • REM sleep apnea

Imagine the difference it could make to have instant access to all this information

Instant, comprehensive results can mean a faster diagnosis—and a faster path to personalized treatment

Immediate results may help avoid delays due to backlogs, slow shipments, or a patient’s inability to promptly return an HSAT

In a clinical study,7 patients with severe sleep-disordered breathing were more adherent when wait times to treatment were shorter

The same study also found that earlier treatment initiation resulted in7:

  • Higher visit-specific satisfaction
  • Improved clinical outcomes

Itamar Medical is looking further than AHI and we can’t wait for you to see what we’ve been up to. To learn about our new product and service line-up, visit our booth at SLEEP 2021, or register here to be the first to learn by email

By submitting this form you agree to receive emails from Itamar® Medical. You information will be handled in accordance with our Privacy Policy.

This material is subject to a disclaimer available here.

AASM = American Academy of Sleep Medicine

References: 1. Punjabi NM. Is the Apnea-Hypopnea Index the best way to quantify the severity of sleep-disordered breathing? No. Chest. 2016 Jan;149(1):16-19. doi: 10.1378/chest.14-2261.

2. Cho YW, Kim KT, Moon H, et al. Comorbid insomnia with obstructive sleep apnea: clinical characteristics and risk factors. J Clin Sleep Med. 2018;14(3):409-417.

3. Philip P, Bioulac S, Altena E, et al. Specic insomnia symptoms and self-ecacy explain CPAP compliance in a sample of OSAS patients. PLoS ONE. 2018;13(4): e0195343. https://doi.org/10.1371/journal.pone.0195343.

4. Krystal A, Prather AA, Ashbrook LH. The assessment and management of insomnia: an update. World Psychiatry. 2019;18:337-352.

5. Punjabi NM, Patil S, Crainiceanu C, Aurora RN. Variability and misclassication of sleep apnea severity based on multi-night testing. Chest. 2020; 158(1):365-373.

6. Eiseman NA, Westover MB, Ellenbogan JM, Bianchi, MT. The impact of body posture and sleep stages on sleep apnea severity in adults. J Clin Sleep Med. 2012;8(6):655-666.

7. Thornton CS, Tsai WH, Santana MJ, et al. Eects of wait times on treatment adherence and clinical outcomes in patients with severe sleep-disordered breathing: a secondary analysis of a noninferiority randomized clinical trial. JAMA Network Open. 2020;3(4):e203088. doi:10.1001/jamanetworkopen.2020.3088

About the National Sleep Foundation: National Sleep Foundation (NSF) is a 501(c)(3) nonprofit corporation dedicated to improving health and well-being through sleep education and advocacy. Founded in 1990, the NSF is committed to advancing excellence in sleep health theory, education, research and practice.
theNSF.org │ SleepHealthJournal.org

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