The journal of nutrition, health & aging

, Volume 16, Issue 2, pp 134–137

Course of neuropsychiatric symptoms during a 4-year follow up in the REAL-FR cohort

  • S. Gonfrier
  • S. Andrieu
  • D. Renaud
  • B. Vellas
  • Ph. Robert
Course of Neuropsychiatric Symptoms During a 4-Year Follow Up in the real-FR Cohort

Abstract

Introduction

The multicenter PHRC REAL-FR cohort study was designed to follow community-dwelling patients with a diagnosis of Alzheimer’s Disease. The present study describes the evolution of neuropsychiatric symptoms (NPS) over 4 years.

Method

686 patients were recruited at baseline from 16 French clinical centers. 151 patients were followed over the 4-year interval with 5 Neuropsychiatric evaluations. Neuropsychiatric symptoms were assessed using the Neuropsychiatric inventory (NPI). NPS symptoms were divided into 4 subgroups according to the European Alzheimer Disease Consortium NPI analysis; psychotic subgroup (hallucinations, delusions), hyperactivity subgroup (agitation, aggression, euphoria, disinhibition, irritability, aberrant motor behavior), apathy subgroup (apathy, eating) and affective subgroup (depression, anxiety). Secondly we studied the evolution of the population divided in 4 groups: Apathy only, Hyperactivity only, both Apathy and Hyperactivity, no Apathy no Hyperactivity.

Results

At baseline, 100 patients (66%) presented with one or more clinically significant NPI symptoms. This figure increased to 88% at the end of 4-year follow-up (Linear by linear chi square, p<0, 0012). Five NPI symptoms showed significant increases in prevalence: agitation (17,9 to 29,1%), apathy (43,0 to 62,9%), disinhibition (2,6 to 14,6%), hallucination (2 to 4,6%) and aberrant motor behavior (13,9 to 29,1%). Prevalence of hyperactivity and apathy subgroups increased significantly during the follow-up while the prevalence of affective and psychotic subgroups did not. The number of patients with both apathy and hyperactivity increased (27% to 44%) during the follow-up period whereas the number of patients without these symptoms decreased (p =.009).

Conclusion

The present study shows that 2 types of symptoms increased primarily over time: Apathy and Hyperactivity. The coexistence of such opposite symptoms over time according to our result should be taken into consideration by clinicians treating those patients.

Key words

Alzheimer disease neuropsychiatric symptom cohort apathy hyperactivity 

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Copyright information

© Serdi and Springer Verlag France 2012

Authors and Affiliations

  • S. Gonfrier
    • 1
  • S. Andrieu
    • 2
    • 3
  • D. Renaud
    • 4
  • B. Vellas
    • 5
  • Ph. Robert
    • 4
  1. 1.C.H.U NiceNiceFrance
  2. 2.Toulouse University HospitalToulouseFrance
  3. 3.UMR1027 INSERM-Université Paul SabatierToulouseFrance
  4. 4.CMRR NiceNiceFrance
  5. 5.Toulouse University HospitalToulouseFrance

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