Prevalence of primary focal or segmental dystonia in adults in the district of Foggia, Southern Italy: A service-based study
Papantonio AM et al. – The prevalence of primary focal or segmental dystonia in Italy is consistent with other reports, but is lower than in studies performed in northern Europe, Minnesota, USA, and Japan. The difference in these results may be explained by misdiagnosis, under-ascertainment of cases, and a fairly limited observation period. Methods- Service-based study January 2001-December 2002 in Foggia, Italy (population 541,653)
- Trace of cases through hospital discharge diagnosis, botulinum toxin services, day hospital access, ear, nose and throat, ophthalmology and orthopedic surgery specialists, and territorial outpatient services
- Inclusion criteria: age ≥17 yrs, residency in study area, and diagnosis of primary focal/segmental dystonia
Results- Inclusion of 69 pts
- Crude prevalence of 127.4/1,000,000: women: 146.4; men: 107.0; age 18-34 yrs: 39.2; 35-54 yrs: 98.7; 55-74 yrs: 273.6; 75+ yrs: 163.3
- Standardized rate: 137.5
- Blepharospasm most common clinical condition (prevalence 68.2), followed by cervical dystonia (prevalence 44.8)
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