Acta radiologica (Stockholm, Sweden : 1987) · 2008
Rate of ventricular enlargement in multiple sclerosis: a nine-year magnetic resonance imaging follow-up study.
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Martola J, Stawiarz L, Fredrikson S, Hillert J, Bergstrom J, Flodmark O, Aspelin P, Kristoffersen Wiberg M
Аннотация
BACKGROUND: In multiple sclerosis (MS), brain atrophy assessed by linear measurements of ventricular widths has been reported to be well correlated with three-dimensional (3D) measurements. Therefore, serial linear measurements with no need for advanced 3D evaluation may be proven to be robust markers of irreversible, destructive changes.
PURPOSE: To evaluate the rate of supratentorial ventricular enlargement representing four decades of disease span.
MATERIAL AND METHODS: 37 MS patients with disease duration at baseline ranging from 1 to 33 years were included. The mean time of the individual magnetic resonance imaging (MRI) follow-up was 9.25 years (range 7.3-10 years). Enlargement rate of the third and lateral ventricles was studied over time by applying three linear measurements on axial 5-mm T1-weighted MRI images.
RESULTS: Progression of supratentorial ventricular widths during 9 years' follow-up was found. The mean annual width increase of the third ventricle was 0.20 mm (P<0.001, 95% confidence interval [CI] 0.15-0.25), for the frontal horn width 0.32 mm (P<0.001, 95% CI 0.23-0.40), and increase of the intercaudate distance was 0.26 mm (P<0.001, 95% CI 0.19-0.33). The association between these three measurements and disability status persisted at the time of follow-up.
CONCLUSION: We found uniform ventricular enlargement progression during four decades of disease span, suggesting unchanging total brain atrophy progression over time.
PURPOSE: To evaluate the rate of supratentorial ventricular enlargement representing four decades of disease span.
MATERIAL AND METHODS: 37 MS patients with disease duration at baseline ranging from 1 to 33 years were included. The mean time of the individual magnetic resonance imaging (MRI) follow-up was 9.25 years (range 7.3-10 years). Enlargement rate of the third and lateral ventricles was studied over time by applying three linear measurements on axial 5-mm T1-weighted MRI images.
RESULTS: Progression of supratentorial ventricular widths during 9 years' follow-up was found. The mean annual width increase of the third ventricle was 0.20 mm (P<0.001, 95% confidence interval [CI] 0.15-0.25), for the frontal horn width 0.32 mm (P<0.001, 95% CI 0.23-0.40), and increase of the intercaudate distance was 0.26 mm (P<0.001, 95% CI 0.19-0.33). The association between these three measurements and disability status persisted at the time of follow-up.
CONCLUSION: We found uniform ventricular enlargement progression during four decades of disease span, suggesting unchanging total brain atrophy progression over time.