Research Study compares Sleep Testing

A new research study compared laboratory-based test Polysomnography, know as PSG (complete set of channels), to home study type testing, or HST (limited channels). The research revealed A 7-channel HST including airflow, effort, body position, and oxygen saturation that is manually-scored is comparable to in lab testing A 2-channel HST that is auto-scored is inferior The study titled “Physician Decision Making and Clinical Outcomes With Laboratory Polysomnography or Limited-Channel Sleep Studies for Obstructive Sleep Apnea: A Randomized Trial” was just published in the Annals of Internal Medicine. The trial was conducted in 406 patients suspected to have OSA. The research compared outcomes of …

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Sleep Apnea in the Winter

Are your OSA symptoms more severe in the winter months? If so, you are not alone. More patients report severe sleep apnea symptoms in the colder months of the year. In fact the number of patients reporting their OSA symptoms as severe is 6% higher in the winter. The AHI, or measure of how disrupted your breathing is and how much it affects your oxygen levels, is often higher in the winter as well (17.8 Winter to 15 Summer). * So, why is winter more severe for OSA patients? There are many potential factors. First, there are more colds and …

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