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Medical Sciences	100%

Selected Abstracts

Sleep disruption, daytime somnolence and ,sleep attacks' in Parkinson's disease: a clinical survey in PD patients and age-matched healthy volunteers

EUROPEAN JOURNAL OF NEUROLOGY, Issue 3 2006
J. J. Ferreira
Recent case reports of ,sleep attacks' (SA) in patients with Parkinson's disease (PD) generated concerns about drug-induced daytime somnolence in this population. However, there are nearly no comparative data on sleep and vigilance problems between PD patients and normal controls. We performed a cross-sectional survey in PD patients and age-matched controls using a structured questionnaire on PD history, treatments, co-morbidity, activities of daily living, habits, exercise, sleep pattern, driving, pre-existing nocturnal problems, daytime somnolence, episodes of SA and the circumstances in which such episodes occurred. Daytime somnolence was also measured with the Epworth Sleepiness Scale (ESS) and sleep quality with the Pittsburgh Sleep Quality Index (PSQI). 176 PD patients and 174 controls were included. The same proportion of PD patients (27%) and controls (32%) reported episodes of SA, but these were more frequent in PD patients and occurred more frequently during situations requiring attention (10.8% vs. 1.7%, p<10,3). More PD patients had abnormal daytime somnolence (ESS) and poor sleeping quality (PSQI). The most consistent factor associated with SA was the duration of levodopa therapy and the predictive value of an abnormal ESS score was rather poor (40.7%). Abnormal daytime somnolence and poor sleep quality at night are more frequent in PD patients than in normals. However, SA are reported in both groups, although less frequently in the normals during activities that requires attention. [source]

Subjectively reported sleep quality and excessive daytime somnolence in Parkinson's disease with and without dementia, dementia with Lewy bodies and Alzheimer's disease

INTERNATIONAL JOURNAL OF GERIATRIC PSYCHIATRY, Issue 6 2007
Frauke Boddy
Abstract Objective We compared subjective sleep quality and excessive daytime somnolence (EDS) in controls, Parkinson's disease with (PDD) and without dementia (PD), dementia with Lewy bodies (DLB) and Alzheimer's disease (AD). We investigated whether sleep dysfunction and EDS associate with motor phenotype in PD, PDD and DLB. Method Assessments included the Epworth Sleepiness Scale (ESS) and Pittsburgh Sleep Quality Index (PSQI). Results EDS was more frequent in PD, DLB and PDD patients than in AD. PDD, PD and DLB patients also had worse sleep quality when compared with AD and controls. Baseline postural instability-gait difficulty (PIGD) motor phenotype in PDD was associated with a higher ESS score and frequency of EDS, but this association was lost at two years. PSQI scores did not differ between PIGD dominant and non-dominant PD, PDD and DLB patients. Conclusion EDS and poor sleep quality are greater in PD, PDD and DLB, compared with AD. The dissociation of EDS and motor phenotype suggests their pathophysiology is anatomically and/or temporally distinct. Copyright © 2006 John Wiley & Sons, Ltd. [source]

Fatigue in primary biliary cirrhosis is associated with excessive daytime somnolence,

HEPATOLOGY, Issue 1 2006
Julia L. Newton
A significant proportion of patients with primary biliary cirrhosis (PBC) suffer from severe fatigue. The aim of this study was to characterize patterns of daytime sleep in patients with PBC (using both objective and subjective assessment approaches) and to study the association between sleep abnormality and fatigue severity. Fatigue severity was assessed in 48 female subjects with PBC (using a disease-specific quality of life instrument (the PBC-40) and a generic fatigue measure (Fatigue Impact Scale [FIS]) as well as 48 case-matched normal controls. All participants also completed the Pittsburgh Sleep Quality Index (PSQI) and the Epworth Sleepiness Scale (ESS, which assesses daytime hypersomnolence). Objective sleep assessment was performed using accelerometry over 7 days. Global sleep quality assessed by the PSQI was significantly lower in the PBC group compared to controls (P < .0001). ESS scores were significantly higher in patients with PBC than controls (P = .0001), suggesting significantly greater daytime somnolence in the patients with PBC. Objective sleep assessment confirmed that subjects with PBC were sleeping on average almost twice as long as controls during the daytime. Both degree of daytime somnolence (ESS) and actual daytime sleep activity (accelerometry) correlated strongly with fatigue severity in the patient group (r2 = 0.5, P < .0001 and r2 = 0.2, P < .01, respectively). In conclusion, Sleep abnormality, in the form of excessive daytime somnolence, is present in a significant proportion of patients with PBC, with the degree of daytime somnolence correlating strongly with the degree of fatigue. Existing agents effective at reducing daytime somnolence (such as modafinil) hold potential for the treatment of fatigue in PBC. (HEPATOLOGY 2006;44:91,98.) [source]

A Comparison of the Long-Term Outcome and Effects of Surgery or Continuous Positive Airway Pressure on Patients with Obstructive Sleep Apnea Syndrome

THE LARYNGOSCOPE, Issue 6 2006
Shih-Wei Lin
Abstract Objectives: To compare the long-term (3-year) outcome and effects of continuous positive airway pressure (CPAP) and extended uvulopalatoplasty (EUPF) treatment on patients with obstructive sleep apnea syndrome. Methods: Eighty-four patients who received CPAP titration and bought a CPAP machine to use from March 2000 to October 2001 were included as the CPAP group. Another 55 patients who underwent EUPF surgery were included as the EUPF group. Overnight polysomnography was performed 6 months and 3 years after CPAP titration or EUPF. The disease-specific questionnaire-Snore Outcome Survey (SOS), Epworth Sleepiness Scale (ESS), and the generic health questionnaire-MOSF-36 were administered at the 6-month and 3-year follow-up examinations. Results: The age, body mass index, respiratory disturbance index, and ESS before treatment were higher in the CPAP group. The snore index was higher in the surgery group. Fifty-four patients (64.3%) in CPAP group continued treatment for 6 months; the success rate for EUPF at 6 months was 82%. The polysomnographic variables improved significantly in both groups. Improvements in the SOS and ESS scores were better in surgery group than the CPAP group. The subscales of SF-36 in surgery group were more than those in CPAP group. Conclusions: EUPF had a better effect on snoring than CPAP 6 months after treatment in patients with obstructive sleep apnea syndrome (OSAS). This effect had gradually declined at the 3-year follow-up examination. Improvement in the quality of life of OSAS patients receiving EUPF is equal to those receiving CPAP treatment. [source]