Renji Hospital Pro Wang

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3 Sleep related hypoventilation/hypoxemia

Apnea – a temporary absence or cessation of breathing

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

Apnea-hypopnea index (AHI)-Numbers of apneas and hypopneas/ 1 sleeping hour

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

Daily Excessive daytime sleepiness Unrefreshing sleep Memory disturbances Morning headache Depression Decreased libido Stomach ache

Nightly snoring apneas choking, gasping arousals sweating dry mouth palpitation nycturia

(1. or 2.) and 3.

Obesitas Age Male gender Pozitive family history of OSAHS Alcohol consumption before bedtime Race Smoking Sedatives Craniofacial anomalies Hypothyroidism, acromegaly

• Lifestyle management, including weight loss& alcohol withdrawal

• Position training• Nasal, pharyngeal surgery (UPPP) • Oral appliances• CPAP – continuous positive airway

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