Low-grade systemic inflammation in patients with amyotrophic lateral sclerosis

Daniel Keizman*, O. Rogowski, S. Berliner, M. Ish-Shalom, N. Maimon, B. Nefussy, I. Artamonov, V. E. Drory

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

To prospectively determine the intensity of systemic low-grade inflammation in patients with amyotrophic lateral sclerosis (ALS). Patients and methods - Patients with ALS and matched healthy controls underwent blood tests for inflammation-sensitive biomarkers: erythrocyte sedimentation rate (ESR), quantitative fibrinogen, wide-range C-reactive protein (wrCRP) concentrations, leukocyte count and neutrophil-to-lymphocyte ratio (NLR). The correlation between these inflammatory biomarkers and disability status of the patients, expressed by the ALS Functional Rating Scale (ALSFRS-R), was evaluated. Results - Eighty patients with ALS and 80 matched controls were included. wrCRP, fibrinogen, ESR and NLR values were significantly elevated in patients compared with controls. There was a significant correlation between the ALSFRS-R score and wrCRP, ESR and fibrinogen levels. This correlation persisted on sequential examinations. Conclusions - A systemic low-grade inflammation was detected in patients with ALS and correlated with their degree of disability. A heightened systemic inflammatory state is apparently associated with a negative prognosis in ALS.

Original languageEnglish
Pages (from-to)383-389
Number of pages7
JournalActa Neurologica Scandinavica
Volume119
Issue number6
DOIs
StatePublished - Jun 2009

Keywords

  • Amyotrophic lateral sclerosis
  • C-reactive protein
  • motor neuron disease
  • systemic low-grade inflammation

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