Polysomnography Archives

Home diagnosis and therapy for obstructive sleep apnea (OSA) may improve access to testing and continuous positive airway pressure (CPAP) treatment. We compared subjective sleepiness, sleep quality, quality of life, BP, and CPAP adherence after 4 weeks of CPAP therapy in subjects in whom OSA was diagnosed and treated at home and in those evaluated in the sleep laboratory.

A randomized trial was performed consisting of home-based level 3 testing followed by 1 week of auto-CPAP and fixed-pressure CPAP based on the 95% pressure derived from the auto-CPAP device, and in-laboratory polysomnography (PSG) (using mostly split-night protocol) with CPAP titration. Read the rest of this entry

In a recently completed research study the researchers examined that among children undergoing adenotonsillectomy for obstructive sleep apnea, what are the responsible factors that promote incomplete resolution of obstructive sleep apnea.

In quest to this exploration researchers  attempted to assess the efficacy of surgical removal of the tonsils and adenoids (adenotonsillectomy [AT]) in the treatment of obstructive sleep apnea (OSA) in children, and to delineate factors associated with persistent OSA, a retrospective review of pre- and postsurgery polysomnograms (PSG) through a research study which was conducted at eight facilities in the US and Europe. Read the rest of this entry

Lake City Community Hospital recently installed the Carolina Sleep Lab, a two-bed sleep lab used to perform tests for sleep disorders.

A health-care specialist can order an overnight sleep study known as a polysomnogram if he or she suspects a patient has a sleep disorder such as sleep apnea, in which breathing repeatedly stops and starts. Read the rest of this entry

New Sleep Center Opens in Central Washington

Central Washington Sleep Diagnostic Center recently opened it’s second branch in Moses Lake at 2323 W. Broadway Ave., Unit 4.

The sleep center is here to help people experiencing sleeping disorders, as more than 70 million Americans’ sleep is currently affected. The affects of sleep deprivation include depression, brain fog, change in mental status, short-term memory loss, weight gain, high blood pressure, stroke, heart disease, traffic accidents, workplace accidents and injuries. Read the rest of this entry

Wake Forest University Baptist Sleep Center Program

A good night’s sleep is crucial to daily function, but more than 40 million Americans live with an undiagnosed or untreated sleep disorder in the United States. At Wake Forest University Baptist Medical Center, the sleep-challenged can find help at the Sleep Center, now conveniently located at the Hawthorne Inn to provide patients with the highest quality of care in a comfortable and relaxing environment. Read the rest of this entry

Clinic-based observational studies in men have reported that obstructive sleep apnea is associated with an increased incidence of coronary heart disease. The objective of this study was to assess the relation of obstructive sleep apnea to incident coronary heart disease and heart failure in a general community sample of adult men and women.

A total of 1927 men and 2495 women ?40 years of age and free of coronary heart disease and heart failure at the time of baseline polysomnography were followed up for a median of 8.7 years in this prospective longitudinal epidemiological study. Read the rest of this entry

 Patients with neuromuscular disease (NMD) are at risk of developing sleep-disordered breathing (SDB) following respiratory muscle involvement. The researchers hypothesised that a questionnaire based on clinical symptoms and signs of diaphragm weakness can be used to screen for SDB in such patients.  

Researchers developed a self-administered multiple choice questionnaire containing five questions (SiNQ-5), scoring 0–10 points. 125 patients were enroled, 32 with respiratory muscle weakness, 35 subjects with normal respiratory muscle strength, and 58 patients with obstructive sleep apnea (OSA). All subjects underwent full polysomnography. Read the rest of this entry

A research study was concluded recently to estimate the population prevalence of obstructive sleep apnea (OSA) in an urban community of German third graders and the diagnostic test accuracy of two OSA screening methods.

Using a cross-sectional study design with a multi-stage sampling strategy, 27 out of 59 primary schools within the city limits of Hannover, Germany, were selected. One-thousand and forty-four (1044)  third graders were screened for symptoms of Sleep Apnea along with Symptoms and signs of OSA using questionnaires and nocturnal home pulse oximetry. Read the rest of this entry

According to a new research study findings theBerlin questionnaire performs poorly in predicting obstructive sleep apnea (OSA) in pregnant women compared to polysomnography. The detailed findings of this research study are published in the June issue of the American Journal of Obstetrics & Gynecology.

Sofia A. Olivarez, M.D., of the Baylor College of Medicine in Houston, and colleagues conducted a prospective clinical trial of 100 women in the third trimester of pregnancy to determine the ability of the Berlin sleep questionnaire to predict OSA. The women all underwent polysomnography with concurrent fetal heart monitoring (FHM).

The researchers observed that 20 percent of the cohort was diagnosed with OSA by polysomnography, considered the diagnostic gold-standard. The Berlin screening questionnaire was 35 percent as sensitive as polysomnography and 63.8 percent as specific in predicting OSA. Read the rest of this entry

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