Forniceal deep brain stimulation in severe Alzheimer’s disease: A case report

Table 1 Cerebrospinal fluid assessment results (upper three lines) and neuropsychological assessment results (lower five lines) before and after f-deep brain stimulation treatment

Assessments	Preoperative	Postoperative at 3 mo	Ref.
Aβ1-42	172.6 pg/mL	N/A	890-2980 pg/mL
tau	322 pg/mL	N/A	103-218 pg/mL
ptau	52.44 pg/mL	N/A	28.5-42.3 pg/mL
ADL	65	47	20-26
MMSE	1	1	27-30
MoCA-B	0	0	26-30
CDR	2	2	0
GDS	6	6	1

Aβ_1-42: Cerebrospinal fluid amyloid-beta 1-42 level; tau: Cerebrospinal fluid tau protein level; ptau: Cerebrospinal fluid phosphorylated tau protein level; ADL: Activities of daily living; MMSE: Mini-mental state examination; MoCA-B: Montreal cognitive assessment basic; CDR: Clinical dementia rating; GDS: Global deterioration scale; N/A: Not available.