FATIGUE, SLEEP, AND NOCTURNAL COMPLAINTS IN PATIENTS WITH AMYOTROPHIC LATERAL SCLEROSIS.

Vincenzo La Bella, Lo Coco, Daniele Lo Coco

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)

Abstract

Background and purpose: Fatigue is a common symptom in amyotrophic lateralsclerosis (ALS). Although sleep disturbances are a candidate factor that may interferewith fatigue in patients with ALS, the role of sleep-related abnormalities in determiningfatigue in ALS is unknown.Objective: To evaluate the frequency and determinants of fatigue in a group of 91consecutive patients with ALS, with special attention to the relationship betweenfatigue and sleep problems.Methods: Measures included the Fatigue Severity Scale (FSS), Pittsburgh SleepQuality Index (PSQI), Epworth Sleepiness Scale (ESS), ALS Functional Rating Scale-Revised (ALSFRS-R), and Beck Depression Inventory (BDI).Results: The mean FSS score was 4.35 ± 1.1, and 48 patients with ALS (52.75%)reported clinical significant fatigue. FSS score correlated with ALSFRS-R score,forced vital capacity, ESS, BDI, and global PSQI score. Patients with fatigue weresignificantly more disabled and more frequently reported difficulties staying asleep andnocturnal complaints, such as nocturia and disturbing muscle cramps. After multivariateanalysis, patients disability and nocturnal complaints were significantlyassociated with fatigue.Conclusion: In this study, we demonstrated that fatigue, a troublesome and disablingsymptom in ALS, is associated with physical impairment and night-time complaints(such as nocturia and muscle cramps), suggesting that treating sleep problems mightbe useful in alleviating fatigue in these patients.
Original languageEnglish
Pages (from-to)760-763
Number of pages4
JournalEUROPEAN JOURNAL OF NEUROLOGY
Volume19
Publication statusPublished - 2012

All Science Journal Classification (ASJC) codes

  • Neurology
  • Clinical Neurology

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