Estudio observacional multicéntrico español de primeros episodios sugestivos de esclerosis múltiple: Cohorte PREM

Xavier Montalban, Xavier Aymerich, Javier Olascoaga, Miguel Marco-Igual, Francisco Lacruz, Dulce Solar, Antonio Escartín, Inmaculada Bonaventura, Àlex Rovira, Clara de Andrés, Jordi Farrés, Joaquín Escudero-Torrella, Rafael Arroyo-González, Jaume Sastre-Garriga*

*Autor corresponent d’aquest treball

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Resum

Introduction. Recent studies have shown the need to optimise the management of patients after a first attack suggestive of multiple sclerosis (MS). Our aim is to determine whether the results from follow-ups in these studies are reproducible within a Spanish multi-centre context. Patients and methods. The PREM study (observational prospective Spanish multi-centre study at 24 months) included patients in the first three months following a first event suggestive of MS with at least two typical lesions in a magnetic resonance scan. The Expanded Disability Status Scale (EDSS) was obtained and the presence of attacks was evaluated basally and at 3, 6, 9, 12, 18 and 24 months; a magnetic resonance scan was performed basally and at 6 and 24 months so as to be able to calculate the brain volume and the volumes of the lesions (T1, T2 and T1 after administering gadolinium). McDonald and Poser criteria were evaluated during the follow-up. A subgroup of patients was followed up for a total period of four years. Results. Altogether 110 patients (67% females) with a mean age of 30.2 years were included in the study; 22 patients dropped out of the study before it finished. Poser criteria were met by 19% and 45% of patients at 6 months and 24 months, respectively; 63% and 71% satisfied McDonald criteria. The EDSS decreased significantly (-0.94; p < 0.001) and development of atrophy was observed (-1.2%; p < 0.001) at 24 months. Conclusions. Results of the follow-up of patients with first attacks suggestive of MS within a Spanish multi-centre context are wholly comparable with those from international clinical trials performed in these patients.
Títol traduït de la contribucióSpanish multi-centre observational study of the first attacks suggestive of multiple sclerosis: The PREM cohort
Idioma originalEspanyol
Pàgines (de-a)577-583
Nombre de pàgines7
RevistaRevista de neurologia
Volum53
Número10
DOIs
Estat de la publicacióPublicada - 2011

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