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Obstructive Sleep Apnea- Hypopnea Syndrome (OSAHS)

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Renji Hospital Pro Wang. Obstructive Sleep Apnea- Hypopnea Syndrome (OSAHS). (International Classification of Sleep Disorders, 2 nd Edition American Academy of Sleep Medicine, 2005). 1. 2.

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slide2
(International Classification of Sleep Disorders, 2nd EditionAmerican Academy of Sleep Medicine, 2005)

1

2

3Sleep related hypoventilation/hypoxemia

definitions1
OSAHS – a condition in which a person experiences repeated episodes of apnoea because of a narrowing or closure of the pharyngeal airway during sleep, resulting in daytime symptoms, especially excessive sleepiness Definitions
definitions2
Apnea-hypopnea index (AHI)Definitions

-Numbers of apneas and hypopneas/ 1 sleeping hour

slide6
Severity of sleep related breathing disorders:
  • (2009.2)
  • Normal: AHI<5/h
  • Mild: AHI: 5-15/h
  • Moderate: AHI:16-30/h
  • Sever: AHI>30/h
osahs symptoms
Daily
  • Excessive daytime sleepiness
  • Unrefreshing sleep
  • Memory disturbances
  • Morning headache
  • Depression
  • Decreased libido
  • Stomach ache
OSAHS: symptoms
osahs symptoms1
Nightly
  • snoring
  • apneas
  • choking, gasping
  • arousals
  • sweating
  • dry mouth
  • palpitation
  • nycturia
OSAHS: symptoms
risk factors of osahs
Obesitas
  • Age
  • Male gender
  • Pozitive family history of OSAHS
  • Alcohol consumption before bedtime
  • Race
  • Smoking
  • Sedatives
  • Craniofacial anomalies
  • Hypothyroidism, acromegaly
Risk factors of OSAHS
treatment
Lifestyle management, including weight loss& alcohol withdrawal
  • Position training
  • Nasal, pharyngeal surgery (UPPP)
  • Oral appliances
  • CPAP – continuous positive airway pressure
treatment
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