Dementia with Lewy bodies (DLB) is the second most common cause of neurodegenerative dementia in the elderly (accounting for 15-20% on autopsy- => alpha-synuclein deposition).
It is characterized as clinically:
WHY AVOID HALDOL? Individuals suffering from DLB have a reduction in post-synaptic dopaminergic (D2) receptor activity. Hence when given D2-receptor antagonists, particularly traditional neuroleptic agents (i.e haldol), it can provoke severe neuroleptic sensitivity reactions (catatonia, decreased LoC, muscle rigidity) in up to 50% of DLB patients.
NOTE: consider new generation anti-psychotics (Quetiapine is preferred by some LBD experts).
REFERENCES
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