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Titolo:
Periodic leg movements and sleepiness in patients evaluated for sleep-disordered breathing
Autore:
Chervin, RD;
Indirizzi:
Univ Michigan, Sleep Disorders Ctr, Ann Arbor, MI USA Univ Michigan Ann Arbor MI USA n, Sleep Disorders Ctr, Ann Arbor, MI USA Univ Michigan, Dept Neurol, Ann Arbor, MI USA Univ Michigan Ann Arbor MI USA Michigan, Dept Neurol, Ann Arbor, MI USA
Titolo Testata:
AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE
fascicolo: 8, volume: 164, anno: 2001,
pagine: 1454 - 1458
SICI:
1073-449X(20011015)164:8<1454:PLMASI>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
CYCLIC ALTERNATING PATTERN; EXCESSIVE DAYTIME SLEEPINESS; NOCTURNAL MYOCLONUS; LIMB MOVEMENTS; APNEA; FRAGMENTATION; AROUSALS; INSOMNIA; SCALE; REM;
Keywords:
polysomnography; nocturnal myoclonus syndrome; sleep apnea; obstructive; sleepiness; Multiple Sleep Latency Test;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
32
Recensione:
Indirizzi per estratti:
Indirizzo: Chervin, RD Univ Michigan Hosp, Michael S Aldrich Sleep Disorders Lab, MedCtr, 8D8702,Box 0117,1500 E, Ann Arbor, MI 48109 USA Univ Michigan Hosp 8D8702,Box 0117,1500 E Ann Arbor MI USA 48109
Citazione:
R.D. Chervin, "Periodic leg movements and sleepiness in patients evaluated for sleep-disordered breathing", AM J R CRIT, 164(8), 2001, pp. 1454-1458

Abstract

Most polysomnograms are performed because sleep-disordered breathing (SDB)is suspected, but periodic leg movements during sleep (PLMS) are frequent incidental findings, and their significance is not well understood. In a clinical series of 1,124 adult patients with suspected or confirmed SDB, we tested for an association between the rate of periodic leg movements and oneimportant outcome, the severity of daytime sleepiness. Objective sleepiness was assessed by the Multiple Sleep Latency Test in all subjects, problem sleepiness by self-rating in 873, and subjective sleep propensity by the Epworth Sleepiness Scale in 201. Increased leg movements were associated withdecreased objective sleepiness (p = 0.03) but explained less than 1% of the variance. When nocturnal arousals were scored (n = 321 subjects), rates of leg movements associated with arousals predicted less objective sleepiness (p = 0.008); rates of leg movements without arousals predicted nothing. The rates of leg movements showed no association with subjective problem sleepiness or sleep propensity. We conclude that incidental. periodic leg movements during sleep are not associated with excessive daytime sleepiness, and therefore appear unlikely to contribute to this problem. Increased sleepiness may reduce the likelihood of arousal with each leg movement.

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Documento generato il 09/07/20 alle ore 18:13:06