睡眠潜時反復検査, MSLT, 多睡眠潜伏検査
WordNet
- undergo a test; "She doesnt test well"
- any standardized procedure for measuring sensitivity or memory or intelligence or aptitude or personality etc; "the test was standardized on a large sample of students" (同)mental test, mental testing, psychometric test
- the act of undergoing testing; "he survived the great test of battle"; "candidates must compete in a trial of skill" (同)trial
- the act of testing something; "in the experimental trials the amount of carbon was measured separately"; "he called each flip of the coin a new trial" (同)trial, run
- a hard outer covering as of some amoebas and sea urchins
- put to the test, as for its quality, or give experimental use to; "This approach has been tried with good results"; "Test this recipe" (同)prove, try, try out, examine, essay
- achieve a certain score or rating on a test; "She tested high on the LSAT and was admitted to all the good law schools"
- determine the presence or properties of (a substance)
- show a certain characteristic when tested; "He tested positive for HIV"
- be able to accommodate for sleeping; "This tent sleeps six people"
- be asleep (同)kip, slumber, log Z''s, catch some Z''s
- a period of time spent sleeping; "he felt better after a little sleep"; "there wasnt time for a nap" (同)nap
- a natural and periodic state of rest during which consciousness of the world is suspended; "he didnt get enough sleep last night"; "calm as a child in dreamless slumber" (同)slumber
- a torpid state resembling deep sleep (同)sopor
- having or involving or consisting of more than one part or entity or individual; "multiple birth"; "multiple ownership"; "made multiple copies of the speech"; "his multiple achievements in public life"; "her multiple personalities"; "a pineapple is a multiple fruit"
- the product of a quantity by an integer; "36 is a multiple of 9"
- an examination of the characteristics of something; "there are laboratories for commercial testing"; "it involved testing thousands of children for smallpox"
- the act of subjecting to experimental test in order to determine how well something works; "they agreed to end the testing of atomic weapons"
- tested and proved useful or correct; "a tested method" (同)tried, well-tried
- tested and proved to be reliable (同)time-tested, tried, tried and true
PrepTutorEJDIC
- (人の能力などの)『試験』,考査,テスト / (物事の)『試験』,検済,試錬,実験《+of+名》 / 化学分析;試薬 / =test match / …‘を'『試験する』,検査する / …‘を'化学分析する / (…の)試験を受ける,試験をする《+for+名》
- 〈U〉『眠り』,『睡眠』[『状態』] / 〈C〉《a sleep》一眠り[の時間] / 〈U〉永眠,死 / 〈U〉(一時的な手足などの)無感覚,しびれ;冬眠(hibernation) / 〈U〉目やに / 『眠る』 / 『文眠なる』,(死んで)葬られている / 〈人〉‘を'泊める[設備がある] / 《a+形容詞+sleepを目的語にして》…‘を'眠る
- 多数の部分(要素)から成る,複合の,複式の / 倍数
Wikipedia preview
出典(authority):フリー百科事典『ウィキペディア(Wikipedia)』「2012/11/14 17:22:00」(JST)
[Wiki en表示]
Multiple Sleep Latency Test |
Intervention |
ICD-9-CM |
89.18 |
OPS-301 code: |
1-795 |
MSLT Scores
Minutes |
Sleepiness |
0–5 |
Severe |
5–10 |
Troublesome |
10–15 |
Manageable |
15–20 |
Excellent |
The Multiple Sleep Latency Test (MSLT) is a sleep disorder diagnostic tool. It is used to measure the time elapsed from the start of a daytime nap period to the first signs of sleep, called sleep latency. The test is based on the idea that the sleepier people are, the faster they will fall asleep.
The MSLT is used extensively to test for narcolepsy, to distinguish between physical tiredness and true excessive daytime sleepiness, or to assess whether treatments for breathing disorders are working. Its main purpose is to discover how readily a person will fall asleep in a conducive setting, how consistent or variable this is, and the way they fall asleep in terms of REM sleep and other brain patterns. This can be used to identify and differentiate between various sleep problems.
The test consists of four or five 20-minute nap opportunities set two hours apart, often following an overnight sleep study. During the test, data such as the patient's brain waves, EEG, muscle activity, and eye movements are monitored and recorded. The entire test normally takes about 7 hours during the course of a day.
Contents
- 1 History
- 2 Typical procedure
- 3 References
- 4 External links
|
History
The Multiple Sleep Latency Test was created in 1977 by sleep pioneers William C. Dement and Mary Carskadon.[1][2][3][4] It developed out of repeating a project done in 1970 by Dr. Dement called the 90-minute day.[5] They informally called the 0–5 minute range the twilight zone due to its indication of extreme physical and mental impairment.
Typical procedure
Preparation: On the day of the test the patient is asked not to consume any stimulants, such as tea, coffee, colas, and chocolate.
- Often a formal sleep study has been performed the night before.
- Sometimes urine screening is done to make sure no substances exist in the subject's body that might interfere with sleep.
- The patient may be asked to fill out a pre-test questionnaire.
- Electrodes are attached to the patient's head to record brain waves.
- Electrodes are attached by the eyes to record eye movement.
- Electrodes are attached to the chin to detect muscle tone.
- Heart beat may also be monitored.
- The patient is asked to perform simple tasks to test that the equipment is working properly.
- The patient is asked to nap for 20 minutes, and then is awakened.
- The nap process is repeated every 2 hours for a total of four or five times.
- The patient may be asked to fill out a post-test questionnaire.
A clinical neurophysiologist, neurologist or sleep specialist will review the results and inform the patient or the patient's primary care physician of the interpretation of the test result in the context of the clinical problem.
References
- ^ Carskadon, M.A.; Dement, W.C. Sleep tendency: an objective measure of sleep loss. Sleep Research 6: 200, 1977.
- ^ Richardson, G.S.; Carskadon, M.A.; Flagg, W.; Van den Hoed, J.; Dement, W.C.; Mitler, M.M. Excessive daytime sleepiness in man: multiple sleep latency measurement in narcoleptic and control subjects. Electroencephalogr Clin Neurophysiol. 1978 Nov;45(5):621–627.
- ^ Carskadon, M.A.; Dement, W.C.; Mitler, M.M.; Roth, T.; Westbrook, P.R.; Keenan, S. Guidelines for the Multiple Sleep Latency Test (MSLT): a standard measure of sleepiness. Sleep 1986; 9:519–524
- ^ Thorpy, M.J.; Westbrook, P.; Ferber, R.; Fredrickson, P.; Mahowald, M.; Perez-Guerra, F.; Reite, M.; Smith, P. The clinical use of the Multiple Sleep Latency Test. Sleep 1992; 15:268–276.
- ^ Carskadon, M.A.; Dement, W.C. Sleep studies on a 90-minute day. Electroencephalogr. Clin. Neurophysiol. 39: 145–155, 1975.
External links
- Mary Carskadon's page on the MSLT [1]
UpToDate Contents
全文を閲覧するには購読必要です。 To read the full text you will need to subscribe.
English Journal
- The impact of increasing sleep restriction on cortisol and daytime sleepiness in adolescents.
- Voderholzer U, Piosczyk H, Holz J, Feige B, Loessl B, Kopasz M, Riemann D, Nissen C.SourceDepartment of Psychiatry and Psychotherapy, University Medical Center Freiburg, Germany; Schoen Clinic Roseneck, Prien, Germany.
- Neuroscience letters.Neurosci Lett.2012 Jan 24;507(2):161-6. Epub 2011 Dec 17.
- Sleep restriction is a widespread phenomenon, specifically in adolescents. This study investigated the impact of increasing sleep restriction in adolescents on cortisol levels and daytime sleepiness. Eighty-eight healthy adolescents were randomized to five sleep restriction protocols (four consecuti
- PMID 22198375
Japanese Journal
- 反復睡眠潜時検査・覚醒維持検査・下肢不動化示唆検査 (特集 高齢者の睡眠障害 : 健康睡眠を目指して) -- (高齢者睡眠障害 : 検査と評価)
- 健康成人における抗ヒスタミン薬の中枢抑制作用に関する研究:―オロパタジン・フマル酸ケトチフェン・フェキソフェナジンの比較―
- Modafinilが有効であった小児期特発性ナルコレプシーの1例
Related Links
- Multiple Sleep Latency Test (MSLT) - Overview and Facts The multiple sleep latency test (MSLT) tests for excessive daytime sleepiness by measuring how quickly you fall asleep in a quiet environment during the day.
- 睡眠潜時反復検査(Multiple Sleep Latency Test) 昼間の眠気を客観的に検査する方法です。検査前の睡眠日誌などを参考にしながら,ポリソムノグラフィ検査を行います。この精密検査法を用いながら,2時間間隔で計4回以上の睡眠潜時 ...
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