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Mild cognitive impairment: experience from a memory clinic

Lars-Olof Wahlund1, Eva Pihlstrand, Maria Eriksdotter Jönhagen

  • 1Karolinska Institutet, Huddinge University Hospital, Stockholm, Sweden. lars-Olaf.Wahlund@neurotec.ki.se

Acta Neurologica Scandinavica. Supplementum
|February 27, 2003
PubMed

Insights

Mild cognitive impairment (MCI) can be a transitional stage to dementia. Our study found MCI is common in memory clinic referrals, with outcomes varying significantly upon follow-up.

Area of Science:

  • Neurology
  • Gerontology
  • Clinical Psychology

Background:

  • Mild cognitive impairment (MCI) represents a potential intermediate stage between normal cognitive aging and dementia.
  • Understanding MCI prevalence and progression is crucial for early intervention and patient management.
  • Previous research has established diagnostic criteria for MCI, but outcomes can vary.

Purpose of the Study:

  • To investigate the occurrence and clinical outcomes of Mild Cognitive Impairment (MCI) in a memory clinic population.
  • To assess the progression of MCI over a 3-year follow-up period.
  • To analyze factors influencing MCI outcomes, including diagnostic criteria and patient populations.

Main Methods:

  • Retrospective analysis of patients referred to a memory clinic.
  • Application of diagnostic criteria similar to Petersen et al. for MCI.
  • Clinical re-evaluation of a subsample of patients after approximately 3 years.
  • Tracking cognitive changes, including improvement, stability, and deterioration to dementia.

Main Results:

  • Mild cognitive impairment (MCI) was diagnosed in 37% (136/402) of subjects within the first year.
  • After a 3-year follow-up, 11% (5/43) of MCI patients showed cognitive improvement.
  • A significant portion of MCI patients remained stable (53%, 23/43), while 35% (15/42) progressed to dementia.

Conclusions:

  • Mild cognitive impairment (MCI) is a heterogeneous condition with diverse clinical trajectories.
  • The observed outcomes in MCI patients highlight the importance of considering the specific population studied and the diagnostic criteria used.
  • Further research is needed to refine MCI definitions and predict individual patient prognoses.

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