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Major NCD (Dementia) DSM-5 Criteria
- ⥠1 cognitive domain decline (倧å¹
äžé)
- å¹²æŸæ¥åžžç掻
- éè«åŠ
- éå
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Mild NCD (MCI)
- èªç¥äžéäœäžå¹²æŸæ¥åžžçšç«
Cognitive Domains
- Memory
- Executive function
- Language
- Visuospatial
- Social cognition
- Attention
倱æºé¡åå°ç£ååž
- AD 60-80%
- VaD 15-20%
- DLB 5-10%
- FTD 5-10% (< 65 yo 第äºåžžèŠ)
- Mixed 30-40% (AD + vascular)
Reversible Causes â DEMENTIAS å£èš£
- Drugs
- Emotional (depression)
- Metabolic (B12, TSH, electrolytes)
- Eyes & ears
- Nutrition (Wernicke)
- Tumor / trauma (SDH)
- Infection (HIV, syphilis)
- Autoimmune (Hashimoto, AE)
- Stroke / sleep apnea / SDH
äžå®èŠæ¥çé
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- TSH (myxedema)
- B12 (subacute combined degeneration + cognitive)
- Syphilis (RPR/treponemal)
- HIV
- ç¥ç¶åœ±å (MRI > CT)
MMSE
- 0-30
- < 24 abnormal
- Education adjustment
MoCA
- 0-30
- ⥠26 normal
- å° MCI ææ
- Education adjustment
MRI çä»éºŒ
- AD: hippocampal/medial temporal atrophy
- FTD: frontotemporal atrophy
- VaD: white matter changes + lacunes + cortical infarcts
- DLB: relative preservation medial temporal + occipital
- NPH: ventricular enlargement out of proportion
- CAA: microbleeds on SWI
çç©æšèšé©åœ (2023-2024)
- CSF Aβ42/40 + p-tau
- Amyloid PET + tau PET
- Plasma p-tau 217 (ææºç¢º) â æ°èèšåºçš
- DaT-SCAN (DLB/PD/atypical ç°åžž)
- MIBG (DLB/PD éäœ)
- PSG (RBD)
NIA-AA 2024
- çç©åžèšºæ· (biomarker-based)
- AD é£çºèïŒpreclinical â MCI â dementia
å倱æºé¡åæ²»çèŠé»
- AD: ChEI + memantine + lecanemab/donanemab + BPSD (brexpiprazole)
- DLB: ChEI åæå¥œïŒçŠçš typical antipsychoticïŒpimavanserin for psychosis
- FTD: SSRIsïŒçŠçš ChEI
- VaD: è¡ç®¡å±éªå å管ç (æéèŠ)
- Reversible: å°çæ²»ç
éå¥èŠé»
åæ§å€±æº (Pseudodementia) vs ç倱æº
- 忧倱æºïŒæé¬±ç â åçãæäžç¥éããåªåå·®ãç¥éèªå·±æåé¡ãææé¬±ææ
- ç倱æºïŒå詊åç (å¯èœé¯) + äžç¥éèªå·±æåé¡ + é²å±æ§
MCI vs Normal Aging
- Normal aging: èªç¥æž¬é©åšå¹Žéœ¡åžžæš¡ç¯åå
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- MCI: èªç¥äžéè¶
é幎霡垞暡ïŒäœåèœä¿ç
æ¥æ§ vs 挞é²
- æ¥æ§ (倩-é±): deliriumãautoimmune encephalitisãCJDãstroke
- æŒžé² (æ-幎): ADãFTDãDLBãVaD
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