The prevalence of narcolepsy in Catalunya (Spain).

The prevalence of narcolepsy in Catalunya (Spain). J Sleep Res. 2017 Nov 24;: Authors: Tió E, Gaig C, Giner-Soriano M, Romero O, Jurado MJ, Sansa G, Pujol M, Sans O, Álvarez-Guerrico I, Caballol N, Jimenez M, Becerra JL, Escartin A, Monasterio C, Molins A, Bove A, Viña J, Iranzo A, Cambrodi R, Calvo G, Morros R, Santamaria J Abstract Previous studies have estimated an overall prevalence for narcolepsy between 15 and 70 cases per 100 000 inhabitants. We aimed to estimate the prevalence of narcolepsy in Catalunya (Catalonia), a north-east region of Spain (7 424 754 inhabitants), on 31 December 2014 by identifying all living subjects diagnosed with narcolepsy. First, we identified patients diagnosed by one of the 13 sleep, paediatric or neurological departments that perform tests regularly to diagnose narcolepsy. In a second phase, we searched for additional patients with narcolepsy in a clinical database of the primary health-care system. Clinical files were reviewed and narcolepsy diagnosis validated according to the Brighton Collaboration case definitions. Three hundred and twenty-five patients had a validated diagnosis of narcolepsy in the specialized centres (mean age: 44.6 years, range: 6-89; male: 60.3%; 85% with narcolepsy type 1), including 17.8% cases in Brighton, definition level 1, 62.5% in level 2, 15.4% in level 3 and 4.3% in level 4a. The overall prevalence for narcolepsy was 4.4; 3.7 for narcolepsy type 1 and 0.7 ...
Source: Journal of Sleep Research - Category: Sleep Medicine Authors: Tags: J Sleep Res Source Type: research