Aim of this study was to determine the predictors of caregiver burden among spouse caregivers of patients with Parkinson's disease (PD). Forty consecutive PD patients and their spouse caregivers were included. Patients were assessed using the Unified Parkinson's Disease Rating Scale (UPDRS), the Hoehn and Yahr scale (HY), the Mini-Mental State Examination (MMSE), the Neuropsychiatric Inventory (NPI), and the Geriatric Depression Scale (GDS). Stress and depressive symptoms among caregivers were evaluated using the Caregiver Burden Inventory (CBI) scale and the GDS. Only PD severity (HY) and mental symptoms (NPI) were significantly associated to caregiver distress. A major attention must be given to the early identification of factors generating stress in caregivers in order to improve caregiver quality of life and patient's care.

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Background: Epidemiological studies conducted in Sicily and Sardinia, the two major Mediterranean islands, showed elevated incidence and prevalence of multiple sclerosis (MS)and a recent increase in disease frequency. Objective: To confirm the central highlands of Sicily as areas of increasing MS prevalence and elevated incidence, we performed a follow-up study based on the town of Caltanissetta (Sicily), southern Italy. Methods: We made a formal diagnostic reappraisal of all living patients found in the previous study performed in 1981. All possible information sources were used to search for patients affected by MS diagnosed according to the Poser criteria. We calculated prevalence ratios, for patients affected by MS who were living and resident in the study area on December 31, 2002. Crude and age- and sex-specific incidence ratios were computed for the period from January 1, 1993, to December 31, 2002. Results: The prevalence of definite MS rose in 20 years from 69.2 (retrospective prevalence rate) to 165.8/100,000 population. We calculated the incidence of definite MS for the period 1970–2000. These rates calculated for 5-year periods increased from 2.3 to 9.2/100,000/year. Conclusion: This survey shows the highest prevalence and incidence figures of MS in the Mediterranean area and confirms central Sicily as a very-high-risk area for MS.

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The present study confirms the higher mortality risk in MS patients with no significant gender difference. Causes of death are related to complications of high disability and to increasing age.