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Survival in frontotemporal dementia.

J R Hodges1, R Davies, J Xuereb

  • 1University Department of Neurology, Addenbrooke's Hospital, Cambridge, UK. john.hodges@mrc-cbu.cam.ac.uk

Neurology
|August 13, 2003
PubMed
Summary

Frontotemporal dementia (FTD) is a severe neurological disorder with a poor prognosis. Frontotemporal dementia with motor neuron disease (FTD-MND) shows the shortest survival, while tau-positive FTD indicates a slower progression.

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Area of Science:

  • Neurology
  • Neuroscience
  • Pathology

Background:

  • Frontotemporal dementia (FTD) is a group of progressive neurodegenerative disorders.
  • Understanding survival rates and prognostic factors is crucial for patient care and research.

Purpose of the Study:

  • To determine survival rates in pathologically confirmed frontotemporal dementia (FTD) cases.
  • To investigate the impact of clinical and pathological subtypes on FTD prognosis.

Main Methods:

  • Retrospective review of 61 pathologically confirmed FTD patients over 10 years.
  • Data collection included symptom onset, diagnosis, institutionalization, and death.
  • Pathological classification into tau-positive and tau-negative groups.

Main Results:

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  • Frontotemporal dementia (FTD) is associated with limited life expectancy.
  • Frontotemporal dementia with motor neuron disease (FTD-MND) exhibited significantly shorter survival (3 years median) compared to frontal variant FTD (6 years median).
  • Tau-positive pathology correlated with older age at onset and a better prognosis (9 years median survival) versus tau-negative pathology (5 years median survival).

Conclusions:

  • Frontotemporal dementia (FTD) is a malignant disorder with a poor prognosis.
  • FTD-MND presents the shortest disease duration.
  • Tau-positivity indicates a more slowly progressive form of FTD.