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Longitudinal evaluation of depression and anxiety in patients with clinically isolated syndrome at high risk of developing early multiple sclerosis

Department of Neurological Sciences, University of Rome ‘La Sapienza’, Rome, Italy

M C Piattella

Department of Neurological Sciences, University of Rome ‘La Sapienza’, Rome, Italy

C Pozzilli

Department of Neurological Sciences, University of Rome ‘La Sapienza’, Rome, Italy, carlo.pozzilli{at}uniroma1.it

P Pantano

Department of Neurological Sciences, University of Rome ‘La Sapienza’, Rome, Italy

F Caramia

Department of Neurological Sciences, University of Rome ‘La Sapienza’, Rome, Italy

I F Pestalozza

Department of Neurological Sciences, University of Rome ‘La Sapienza’, Rome, Italy

A Paolillo

Department of Neurological Sciences, University of Rome ‘La Sapienza’, Rome, Italy

G L Lenzi

Department of Neurological Sciences, University of Rome ‘La Sapienza’, Rome, Italy

We investigated the relationship between emotional changes, brain lesion burden and development of multiple sclerosis (MS). Thirty-seven consecutive patients with clinically isolated syndrome (C IS) were prospectively assessed with the Expanded Disability Status Scale (EDSS), the 21-item Beck Depression Inventory (BDI), the State-Trait A nxiety Inventory (STAI) and gadolinium enhanced (Gd+) MRI scans. BDI and STAI were also administered to 36 age-matched controls. C onversion to MS was defined as the occurrence of a clinical relapse.

C IS patients were more likely to endorse symptoms of anxiety and depression than controls. Baseline scores for depression and anxiety did not correlate with the total lesion load (i.e., volume of Gd+, T2 and T1 lesions) and the number of Gd+ lesions during the first six months of follow-up. A positive correlation was found between severity of depressive scores and the lesion load in the right temporal region (P =0.005). After 339-6 months of the study entry, patients who had a clinical relapse were more frequently depressed (P =0.001) than those relapse free.

Emotional disturbances are frequently observed in C IS patients and show a tendency towards a normalization in relapse-free patients. The increased rate of depressive symptoms observed in patients who developed MS seems to result from a combination of psychological and organic features. The lesion load in the right temporal region is confirmed as a key area for developing depressive symptoms, even in the early phase of the disease.

Key Words: anxiety • clinically isolated syndrome • depression • MRI • multiple sclerosis

Multiple Sclerosis, Vol. 9, No. 3, 302-306 (2003)
DOI: 10.1191/1352458503ms921oa


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