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Research criteria for the diagnosis of prodromal dementia with Lewy bodies.

  • Author(s): McKeith, Ian G;
  • Ferman, Tanis J;
  • Thomas, Alan J;
  • Blanc, Frédéric;
  • Boeve, Bradley F;
  • Fujishiro, Hiroshige;
  • Kantarci, Kejal;
  • Muscio, Cristina;
  • O'Brien, John T;
  • Postuma, Ronald B;
  • Aarsland, Dag;
  • Ballard, Clive;
  • Bonanni, Laura;
  • Donaghy, Paul;
  • Emre, Murat;
  • Galvin, James E;
  • Galasko, Douglas;
  • Goldman, Jennifer G;
  • Gomperts, Stephen N;
  • Honig, Lawrence S;
  • Ikeda, Manabu;
  • Leverenz, James B;
  • Lewis, Simon JG;
  • Marder, Karen S;
  • Masellis, Mario;
  • Salmon, David P;
  • Taylor, John Paul;
  • Tsuang, Debby W;
  • Walker, Zuzana;
  • Tiraboschi, Pietro;
  • prodromal DLB Diagnostic Study Group
  • et al.

The prodromal phase of dementia with Lewy bodies (DLB) includes (1) mild cognitive impairment (MCI), (2) delirium-onset, and (3) psychiatric-onset presentations. The purpose of our review is to determine whether there is sufficient information yet available to justify development of diagnostic criteria for each of these. Our goal is to achieve evidence-based recommendations for the recognition of DLB at a predementia, symptomatic stage. We propose operationalized diagnostic criteria for probable and possible mild cognitive impairment with Lewy bodies, which are intended for use in research settings pending validation for use in clinical practice. They are compatible with current criteria for other prodromal neurodegenerative disorders including Alzheimer and Parkinson disease. Although there is still insufficient evidence to propose formal criteria for delirium-onset and psychiatric-onset presentations of DLB, we feel that it is important to characterize them, raising the index of diagnostic suspicion and prioritizing them for further investigation.

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