MSLTs and the night before PSG questions

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MSLTs and the night before PSG questions

Postby truckerdave1970 » Wed Sep 13, 2017 3:53 am

How bad must a patient's AHI be before an MSLT is NOT performed? Are there any conditions when a patient is not allowed to do the MSLT?

I looked in a bunch of practice parameters and the AASm site and I could find nothing definitive. I would think if a patient's quality of sleep the night before was awful (i.e. high AHI, little actual sleep time), then an MSLT could give a false impression of hypersomnia.

Since most of our pt's undergoing this test at our lab are fighting to keep or retain their driver's liscense due to an MVA after falling asleep at the wheel...maybe we should try to get an accurate result???
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Re: MSLTs and the night before PSG questions

Postby somnonaut » Thu Sep 14, 2017 4:47 am

Peds lab uses AHI 5 as cutoff
Adult lab uses 15.
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Re: MSLTs and the night before PSG questions

Postby RPSGT1997 » Fri Sep 15, 2017 7:05 am

We cancel the MSLT if their AHI is >15 or PLM index is >20 or if they don't get at least six hours of sleep.
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