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Sleep Study Results

Posted by JayPSU on June 07, 2006 at 18:26:55:

I'm new to this board but have been reading for a couple weeks since I was to have a sleep study which I had back on Monday night. I was fortunate enough to get my results already! I must say that I am VERY impressed at how quickly I got my results! I mean the test was just 2 nights ago! Now I haven't been spoken to by the doctor, but I have been asked to come back and be fitted for a CPAP. Here are my results, I could use some input since I haven't had it explained to me by my doctor yet.

Sleep Staging: The patient slept a total of 270.0 minutes, with a sleep efficiency of 68%. The patient's sleep latency was 36.5 minutes and REM latency was 340.5 minutes. The intermittent wake time during sleep was 90.5 minutes. Total time in bed was 360.5 minutes. Sleep Staging/% total sleep time: Stage 1, 12.4%. Stage 2, 83.1%, Stage 3, 0%. Stage 4, 0%. Stage REM, 4.4%.

Cardiac Monitoring: The patient had a minimum heart rate of 70 bpm, and a maximum heart rate of 90 bpm. No significant cardiac dysrhythmias were noted.

Limb Movements: The patient exhibited 0 periodic limb movement events.

Sleep Quality: The patient exhibited 46 total arousals, 13 associated with respiratory events, 0 associated with periodic limb movements, 31 spontaneous arousals, for an arousal index of 10.2/hr. Patient characterized sleep as poor.

Comprehensive Ventilatory Monitoring: The average O2 saturation during non-REM sleep was 93%, and the average O2 saturation during REM sleep was 89.0% (the lowest being 82.0%). The patient exhibited 9 obstructive, 0 central, and 0 mix apneic events (average duration of 13 seconds, the longest being 21 seconds) and 132 hypopneas (average duration of 16 seconds, the longest being 29 seconds) resulting in an overall apnea-hypopnea index (AHI) of 31.3 per hour distributed as 30.5 per hour Non-REM, and 50.0 per hour REM. Grade 4 snoring was noted.

Impression: This polysomnogram demonstrates sleep fragmentation secondary to Obstructive Sleep Apnea Syndrome with an overall Apnea-Hypopnea Index (AHI) of 31.3 per hour and low oxygen saturation of 82.0%.

Recommendations: The patient is advised to return to the sleep laboratory for a Continuous Positive Airway Pressure (CPAP) titration.

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