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RFT 319: Sleep Apnea

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station description Turn Your Aviation Passion Into A Career
Ready For Takeoff - Turn Your Aviation Passion Into A Career
Duration: 06:23
What is Obstructive Sleep Apnea? OSA affects a person’s upper airway in the area of the larynx (voice box) and the back of the throat. This area is normally held open to allow normal breathing by the surrounding muscles. When an individual is asleep, these muscles become slack, and the open area bec
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What is Obstructive Sleep Apnea? OSA affects a person’s upper airway in the area of the larynx (voice box) and the back of the throat. This area is normally held open to allow normal breathing by the surrounding muscles. When an individual is asleep, these muscles become slack, and the open area becomes smaller. In some individuals, this area becomes so small that breathing and resulting normal oxygenation of the blood is impaired. The person may actually choke. This causes some degree of arousal from normal sleep levels which the individual may or may not be aware of. These people do not get restorative sleep, and wake feeling tired. OSA has significant safety implications because it can cause excessive daytime sleepiness, personality disturbances, cardiac dysrthythmias, myocardial infarction, stroke, sudden cardiac death, and hypertension, and cognitive impairment such as decreased memory, attention, planning, problem-solving and multi-tasking. What is the background on the FAA’s actions on OSA? The FAA’s has always used the special issuance medical certification process to certificate pilots with OSA. In November 2013, the FAA proposed guidance that would have required treatment for pilots with a body mass index (BMI) of 40 or more. It would have grounded those pilots until they successfully completed treatment, if required, and they obtained a Special Issuance medical certificate from the FAA. Key aviation industry stakeholders, as well as members of Congress, expressed concern about this enhanced screening. The FAA has now revised the guidance to address those concerns. What is the new guidance?  An AME will not use BMI alone to assess whether the pilot applicant has OSA or as a basis for deferring the medical certificates (except in cases where the OSA risk is extreme). AME’s will screen for the risk for OSA using an integrated assessment of history, symptoms, and physical/clinical findings.  OSA screening will only be done by the AME at the time of the physical examination using the American Academy of Sleep Medicine (AASM) guidance provided in the AME Guide. Pilots who are at risk for OSA will be issued a medical certificate and will then, shortly thereafter, receive a letter from the FAA’s Federal Air Surgeon requesting that an OSA evaluation be completed within 90 days. The evaluation may be done by any physician (including the AME), not just a sleep medicine specialist, following AASM guidelines. If the evaluating physician determines, using the AASM guidelines, that a laboratory sleep study or home study is warranted, it should be done at that time. The pilot may continue flying during the evaluation periodand initiation of treatment, if indicated. The airman will have 90 days (or longer under special circumstances) to accomplish this, as outlined in the Federal Air Surgeon’s letter. The FAA may consider an extension in some cases. Pilots diagnosed with OSA and undergoing treatment may send documentation of effective treatment to the FAA in order to have the FAA consider them for a special issuance medical certificate. How is OSA treated? Though several types of treatment are available depending on the severity of OSA, the most effective treatment involves the use of a continuous positive airway pressure (CPAP) or Automatic Positive Airway Pressure device that is worn while sleeping. In fact, there are currently 4,917 FAA-certificated pilots who are being treated for sleep apnea and are flying with a special issuance medical certificate. When will the new guidance take affect? The FAA plans to publish the new guidance in the FAA Guide for Aviation Medical Examiners on March 2, 2015. What are the FAA’s current rules on OSA? Untreated OSA always has been and will continue to be a generally disqualifying medical condition requiring a special issuance medical certificate. AMEs are advised by the FAA to be alert for OSA and other sleep-related disorders such as insomnia, restless legsyndrome,and neuromuscular or connective tissue disorders, because they could be signs of problems that could interfere with restorative sleep, which are needed for pilots to safely perform their duties. Is the FAA changing the rules on OSA? The FAA is not changing its medical standards related to OSA. The agency is revising the screening approach to help AMEs find undiagnosed and untreated OSA. Have there been any accidents or incidents associated with OSA? The National Transportation Safety Board (NTSB) determined that OSA was a contributing factor in the February13, 2008 Mesa Airlines (operated as go!) Flight 1002 incident, in which both the captain and first officer fell asleep during the flight. They flew 26 miles past their island destination into open ocean, and did not respond to air traffic controllers for more than 18 minutes. After normal communication was
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