Differentiation between primary lateral sclerosis and amyotrophic lateral sclerosis: examination of symptoms and signs at disease onset and during follow-up.

Differentiation between primary lateral sclerosis and amyotrophic lateral sclerosis: examination of symptoms and signs at disease onset and during follow-up. Research Abstract Details 

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Differentiation between primary lateral sclerosis and amyotrophic lateral sclerosis: examination of symptoms and signs at disease onset and during follow-up. Abstract Text:

Marc Gotkine,Zohar Argov,Marc Gotkine,Zohar Argov,

BACKGROUND: Motor neuron diseases can affect the upper motor neuron and/or the lower motor neuron. Both amyotrophic lateral sclerosis (ALS) and primary lateral sclerosis (PLS) are motor neuron diseases, and there is much debate as to whether these are 2 separate disorders or simply 2 points on a continuum. OBJECTIVE: To determine which clinical features at onset and during follow-up could help differentiate between PLS and ALS. DESIGN: Retrospective study comparing patients with a diagnosis of PLS or ALS for differences in symptoms or signs at disease onset and during follow-up. SETTING: Tertiary referral center. Patients Six hundred sixty-one patients with ALS and 43 patients with PLS were included in the study. RESULTS: At presentation, stiffness was the only symptom that was significantly different between patients with PLS and patients with ALS (observed in 47% and 4% of patients, respectively; P<.001). During follow-up, limb wasting was rare in patients with PLS (2%, compared with 100% in patients with ALS; P<.001). Disease duration was significantly longer in patients with PLS compared with patients with ALS (mean +/- SD, 11.2 +/- 6.1 vs 3.8 +/- 4.2 years, respectively; P<.001). During the 16 years of follow-up, the mortality rate was significantly lower in patients with PLS compared with patients with ALS (only 33% vs 89%, respectively; P<.001). CONCLUSION: Our findings suggest that a patient presenting with spasticity who does not develop wasting within 3 years most likely has PLS.

Differentiation between primary lateral sclerosis and amyotrophic lateral sclerosis: examination of symptoms and signs at disease onset and during follow-up. Publishing Authors By Initials

M Gotkine,Z Argov,M Gotkine,Z Argov,

For similar investigative techniques: epidemiologic methods: statistics as topic: survival analysis research abstracts see: investigative techniques: epidemiologic methods: statistics as topic: survival analysis research

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Differentiation between primary lateral sclerosis and amyotrophic lateral sclerosis: examination of symptoms and signs at disease onset and during follow-up. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Archives of neurology

VOLUME: 64

Page Numbers: 232-6

Journal Abbreviation: Arch. Neurol.

ISSN: 0003-9942

DAY: 20

MONTH: Feb

YEAR: 2007

Differentiation between primary lateral sclerosis and amyotrophic lateral sclerosis: examination of symptoms and signs at disease onset and during follow-up. Information

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LANGUAGE: eng

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Differentiation between primary lateral sclerosis and amyotrophic lateral sclerosis: examination of symptoms and signs at disease onset and during follow-up. Keywords Mesh Terms:

KEYWORDS: Survival Analysis

MESH TERMS: physiopathology

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Grant and Affiliation Information for Differentiation between primary lateral sclerosis and amyotrophic lateral sclerosis: examination of symptoms and signs at disease onset and during follow-up.

AFFILIATION: Clinical Neurological Sciences, London Health Sciences Centre, University of Western Ontario, 339 Windermere Road, London, Ontario, Canada. mtartagl@uwo.ca

Country: United States

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MEDLINETA: Arch Neurol

REFSOURCE: Arch Neurol. 2007 Oct;64(10):1545; autho

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