how to read the sleep study

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how to read the sleep study

Postby iriegirl » Fri Dec 24, 2010 8:44 pm

Hi Im new to this site. I had my sleep study on 11/12/10 but just got a copy today. My primary care doctor has not called or set up an appt. So i have to do that but need some info prior. The Ecg Data reads the average heart rate was 49.4, with a range of 44 to 58 bests per minute. PVC's were observed. Diagnosis Obstructive sleep apnea. Impressions- frequent periodic limb movements were observed during the study and some of these movements were associated with cortical arousals. The report is so long. But im concerned because I have a heart condition and have been having fluttering episodes Please assist
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Re: how to read the sleep study

Postby Daniel » Fri Dec 24, 2010 9:05 pm

iriegirl wrote:Hi Im new to this site. I had my sleep study on 11/12/10 but just got a copy today. My primary care doctor has not called or set up an appt. So i have to do that but need some info prior. The Ecg Data reads the average heart rate was 49.4, with a range of 44 to 58 bests per minute. PVC's were observed. Diagnosis Obstructive sleep apnea. Impressions- frequent periodic limb movements were observed during the study and some of these movements were associated with cortical arousals. The report is so long. But im concerned because I have a heart condition and have been having fluttering episodes Please assist


Please post some more information.

EG Your AHI, Sleep Staging, Limb Movement Index, Blood Ox sats....the more info the more foxcused the responses.

Daniel.
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Postby iriegirl » Sat Dec 25, 2010 5:11 pm

Hi Im sorry I didnt post it all.so much. Total recording time 423.0 mins total sleep time 311.0 mins resulting in sleep efficiency of 73.5% 18 awakenings with awke after sleep onset time of 47.5 mins. Sleep latency was 64.5 mins and REM latency was 233.5 mins. The sleep satges were as foloows 9.3% stage N1 70.9% stage N2 13.0% stage N3 and 6.8% REM sleep. 191 arousals resulting in arousal index of 36.8 per hour. A total of 72.0 minutes was spent in supine sleep.

Respiratory Data: Moderate snoring was noted There were 113 respiratory events consisting of 6 apneas(3 obstructive,1 mixed,2central) and 107 hypopneas. The apnea-hypopnea index(AHI) was 21.8 REM-AHI was 5.7 non REM_AHI was 23.0,supine AHI was 5.0 REM supine sleep was not observed The mean SPO2 during the study was 91.2% with a nadir SPO2 of 85.9%. Total sleep time spent below 90% SpO@ was 28%.

ECG Data: the average heart rate was 49.4, with a range of 44 to 58 beats per minute PVCs were observed.

Limb movement data: There were 101 periodic limb movements during sleep, resulting in a PLM index(PLMI) of 19.5 Twenty five of these were associated with arousals, leading to a PLM arousal Index of 4.8 ICSD Diagnosis Obstructive sleep apnea (327.23)

Impressions:
1. Moderate obstructive sleep apnea syndrome. The respiratory events were associated with significant oxygen desaturation.

2. The patient endorsed symptoms suggestive of pschophysiological insominia on the questionaire Clinical correlation needed.
3. Excessive daytime sleepiness clinical correlation needed.
4. Frequent periodic limb movements were observed during this study and some of these were associated with cortical arousals. clinical correlation needed.
5.Abnormal sleep architecture likely due to respiratory events,limb movements, and the first night effect.

Recommendation
1. Consider either AutoCPAP therapy or a full-night CPAP titration study.


Im too confused with this. Thanks for the help
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SLEEP STUDY

Postby iriegirl » Tue Dec 28, 2010 7:32 pm

pLEASE WILL SOMEONE HELP ME BY READING THIS SLEEP STUDY tHAN YOU
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Postby Linda » Tue Dec 28, 2010 9:33 pm

Call your doctor soon, and ask when getting an auto cpap and/or the second sleep study (cpap titration study) can be arranged.

Depending on where you live, it can take time to schedule the second sleep study. So I would press them to order you an auto cpap as soon as possible, at least until they do the overnight titration sleep study. You have heart issues, so I think that is urgent enough of an excuse for them to set you up with an auto cpap soon, to start treating you.

If I read your numbers right, your AHI was 21.8. That means you had nearly 22 apneas and hypopneas per hour during your sleep. So it is like stopping breathing nearly 22 times an hour, if you can imagine that. As a result, your blood oxygen levels are reduced, which is typical of sleep apnea. There's more that can be said about the numbers, but the important thing is you ought to call your doctor tomorrow and arrange something, preferably the auto cpap, which was one of the options mentioned. The auto cpap adjusts the pressure according to what is needed at any given time during your sleep.

Moderate sleep apnea seems right. But it's all relative. Sleep apnea is sleep apnea, whether mild, moderate or severe. And it can get worse if left untreated. Generally speaking, mild apnea is an AHI of 5-15; moderate is 15-30; severe is 30 or more.

I know you are confused and probably overwhelmed by this. But call tomorrow if you can, ask when you can get an auto cpap (or the titration study). Remind them that you are having heart issues, so they might hurry things up for you. As you might know, untreated sleep apnea creates heart problems. So treatment is needed.

Let us know how things go.


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Postby iriegirl » Wed Dec 29, 2010 9:52 pm

Thank you Linda I will try to call. They always get my pressure up in the clinic.
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Postby iriegirl » Wed Dec 29, 2010 9:55 pm

Do you know if a heart condition can cause sleep apnea or does sleep apnea aggravate a heart condition? I appreciate all your help
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Postby SleepyToo » Wed Dec 29, 2010 11:07 pm

It is not possible to say definitively which came first. However, it has been documented that heart conditions do improve after treatment for sleep apnea. Therefore, it is plausible that the apnea had a role in the development of the heart condition. IMHO as a patient with sleep apnea (but fortunately no major heart conditions) heart problems do warrant an investigation for possible sleep apnea.
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Postby CraigB » Thu Dec 30, 2010 9:58 am

Do you have a diagnosed heart condition?

The reason I ask is, I had heart palpitations, fluctuations, cramping, fluttering...I thought for sure my ticker was doomed. Over a three year period, I was at the hospital twice and had the stress tests, ultrasounds and 24 hour halter monitor done two times. Through all the tests, they found nothing. All I knew was I kept getting pains and strange fluttering sensations in my chest and no one knew why. My blood pressure was high and I felt like !@#!.

Since being diagnosed with sleep apnea and using CPAP therapy, my blood pressure has returned to normal and my heart hasn't acted up once.

Lack of "restful" sleep is bad for your body. It messes with your metabolism, makes you drowsy and gives you an over-all fuzzy head. However, even worse than that is the ravaging damage caused to your internal organs when they are oxygen depleted, repeatedly, over a long period of time.

The good news is, CPAP works. Set up a second sleep study and have them prescribe you a CPAP machine. I'm not sure how the insurance thing works in the states (I'm in Canada), but I understand that it is usually covered.
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