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T290. Psychosis

A. Psychosis

1.
Psychosis : Fundamental drangement of the mind characterized by defective or lost contact with reality
2.
Psychotic disorder์— ๋Œ€ํ•œ DSM V์—์„œ์˜ ์ •์˜
โ€ข
์•„๋ž˜์˜ ์ฆ์ƒ ์ค‘ ํ•˜๋‚˜ ์ด์ƒ์„ ํฌํ•จ (1) Hallucination : ๋ชจ๋“  ๊ฐ๊ฐ์ด ๊ฐ€๋Šฅํ•˜์ง€๋งŒ ๋Œ€๋ถ€๋ถ„ ํ™˜์ฒญ. ๋ชจ๋“  ํ™˜๊ฐ์ด pathologicํ•˜์ง„ ์•Š๋‹ค. (2) Delusions : ๊ณผ๋Œ€๋ง์ƒ (grandiose) / ํ”ผํ•ด๋ง์ƒ(persecutory) ์ƒ‰์ •๋ง์ƒ(erotomanic) / ๊ด€๊ณ„๋ง์ƒ(referential) (3) Disorganized/abnormal motor behavior (4) Disorganized thinking : ์–ธ์–ด๋ฅผ ํ†ตํ•ด ์•Œ์•„๋ณผ ์ˆ˜ ์žˆ๋‹ค. (derailment, tangentiality, word salad) (5) Negative symptoms : Avolision, Anhedonia, Asociality, Alogia
3.
Psychotic symptom์„ ์œ ๋ฐœํ•  ์ˆ˜ ์žˆ๋Š” ์•ฝ๋ฌผ
4.
Antipsychotics (1) ๋Œ€๋ถ€๋ถ„ dopamine or serotonin receptor block์˜ ์—ญํ• ์„ ํ•จ. Typical (1์„ธ๋Œ€), Atypical (2์„ธ๋Œ€)๋กœ ๋‚˜๋‰œ๋‹ค. โ‘  Typical antipsychotics๏ผš์ฃผ๋œ ๋ถ€์ž‘์šฉ์€ QTc prolongation์— ์˜ํ•œ arrhythmia์ด๋‹ค. โ‘ก Atypical antipsychotics : ์ข€ ๋” ๊ฐ๊ฐ์˜ receptor์— specificํ•˜๋ฉฐ typical antipsychotics๋ณด๋‹ค ๋ถ€์ž‘์šฉ์€ ์ ์€ ๊ฒƒ์œผ๋กœ ์ƒ๊ฐ๋˜์ง€๋งŒ ๋ถ€์ž‘์šฉ์ด ์—†์ง€ ์•Š๋‹ค.
5.
Antipsychotics์˜ ๋ถ€์ž‘์šฉ โ€“ ๋Œ€๋ถ€๋ถ„ typical์—์„œ ๋ฐœ์ƒํ•˜์ง€๋งŒ, atypical์—์„œ๋„ ๋ฐœ์ƒ ๊ฐ€๋Šฅ. (1) Acute dystonia โ‘  Most common. muscle spasm in neck, face, back โ‘ก ์น˜๋ฃŒ : Benztropine 1~2mg IV or IM, Diphenhydramine 25~50mg IV ์ง€์† ์‹œ benzodiazepine๋„ ๊ฐ€๋Šฅ (2) Akathisia (์ขŒ๋ถˆ์•ˆ์„์ฆ) โ‘  ์น˜๋ฃŒ : ฮฒ-blocker, benzodiazepine. benztropine๋„ ๊ฐ€๋Šฅ. (3) Antipsychotic induced parkinsonโ€™s syndrome โ‘  Bradykinesia, resting tremor, cogwheel rigidity, shuffling gait, masked facies, drooling โ‘ก ์น˜๋ฃŒ : ํ•ญ์ •์‹ ๋ณ‘์•ฝ์˜ ๊ฐ๋Ÿ‰๊ณผ anticholinergics๊ฐ€ ๋„์›€์ด ๋  ์ˆ˜ ์žˆ๋‹ค. (4) Anticholinergic effect โ‘  Mild sedation์—์„œ delirium๊นŒ์ง€ ๋‹ค์–‘ํ•œ ์ฆ์ƒ โ‘ก Peripheral manifestations : Dry mouth & skin / Blurred vision / Urinary retension / Constipation Paralytic ileus / Cardiac dysrhythmias / Angle-closure glaucoma์˜ ์•…ํ™” โ‘ข Central anticholinergic syndrome : Dilated pupils / Dysarthria / Agitated delirium โ‘ฃ ์น˜๋ฃŒ : Supportive care, ์•ฝ์ œ ์ค‘๋‹จ (5) Cardiovascular effect โ‘  Hypotension / Tachycardia / QT prolongation (TdP..) (6) Neuroleptic malignant syndrome: โ‘  Rigidity / Fever / Autonomic instability / Confusional state โ‘ก ๋ชจ๋“  ํ•ญ์ •์‹ ๋ณ‘์•ฝ์ด ์›์ธ์ด ๋ ์ˆ˜ ์žˆ์œผ๋ฉฐ mortality 20%์ •๋„. โ‘ข ์น˜๋ฃŒ : ์•ฝ์ œ ์ค‘๋‹จ ๋ฐ intensive supportive care. anticholinergics๋Š” ๋„์›€์ด ์•ˆ ๋œ๋‹ค. : Rigidity๋ฅผ ์ค„์ด๊ธฐ ์œ„ํ•ด dantrolene, bromocriptine ์‚ฌ์šฉ ๊ฐ€๋Šฅ.

B. Schizophrenia spectrum of disorder

1.
Schizophrenia : ๋‹ค์Œ์˜ ์ง„๋‹จ ๊ธฐ์ค€์„ ๋งŒ์กฑํ•˜๋ฉด์„œ ์ฆ์ƒ์ด 6๊ฐœ์›” ์ด์ƒ ์ง€์†๋  ๋•Œ (Table 290-5) (1~6๊ฐœ์›” : Schizophreniform, 1๊ฐœ์›” ๋ฏธ๋งŒ : Brief psychotic disorder)
2.
Delusional disorder : Schizophrenia ์—†์ด ๋ง์ƒ ์ฆ์ƒ์ด 1๊ฐœ์›” ์ด์ƒ ์ง€์†๋  ๋•Œ.
3.
Schizoaffective disorder : Schizophrenia ์ง„๋‹จ ๊ธฐ์ค€ ๋งŒ์กฑ + Major mood episode์™€ ๊ฐ™์ด ๋ฐœ์ƒ.
4.
Catatonia : Mental disorder๋‚˜ medical condition์— ์˜ํ•œ catatonic disorder๋„ ํฌํ•จ ๊ทธ๋ž˜์„œ organic cause์™€ ์—ฐ๊ด€๋˜์–ด ์žˆ์Œ์„ ์ธ์ง€ํ•˜๊ณ  ์žˆ๋Š” ๊ฒƒ์ด ์ค‘์š”.
์ •์‹ ๋ณด๊ฑด๋ฒ•์ƒ * ์ •์‹ ๊ณผ ํ™˜์ž์˜ ์ž…์› ์ ˆ์ฐจ์™€ ๊ธฐ์ค€
1.
์ž์˜ ์ž…์› (1) ํ‡ด์› ์‹ ์ฒญ ์‹œ ๋ฐ”๋กœ ํ‡ด์›์‹œ์ผœ์•ผ ํ•œ๋‹ค. (2) ์•ฝ์‹ ์ž์˜ ์ž…์› : ํ™˜์ž๊ฐ€ ์›ํ•˜๋ฉด ์–ธ์ œ๋“ ์ง€ ํ‡ด์›
2.
ํƒ€์˜ ์ž…์› (1) ๋ณดํ˜ธ์˜๋ฌด์ž์— ์˜ํ•œ ์ž…์›(๋™์˜์ž…์›) โ‘  ๋ณดํ˜ธ์˜๋ฌด์ž์˜ ๋™์˜ + ์ •์‹ ๊ณผ ์ „๋ฌธ์˜์˜ ์ง„๋‹จ โ‘ก 6๊ฐœ์›” ์ด๋‚ด๋กœ ํ•œ์ • โ‘ข 6๊ฐœ์›” ์ดํ›„์—๋Š” ์ง„๋‹จ์„œ์™€ ์ž…์›๋™์˜์„œ(๋ณดํ˜ธ์˜๋ฌด์ž๊ฐ€ ์ž‘์„ฑํ•œ)๋ฅผ ์‹œ๋„์ง€์‚ฌ์—๊ฒŒ ์ œ์ถœํ•˜๊ณ  ํ™˜์ž์—๊ฒŒ๋„ ์•Œ๋ ค์•ผ ํ•œ๋‹ค. (2) ์‹œ, ๋„์ง€์‚ฌ์— ์˜ํ•œ ์ž…์› โ‘  2์ธ ์ด์ƒ์˜ ์ •์‹ ๊ณผ ์ „๋ฌธ์˜์˜ ์†Œ๊ฒฌ์œผ๋กœ ์‹œ, ๋„์ง€์‚ฌ๊ฐ€ ๊ตญ๊ฐ€ ๋˜๋Š” ์ง€๋ฐฉ์ž์น˜๋‹จ์ฒด๊ฐ€ ์šด์˜ํ•˜๋Š” ๋ณ‘์›์— ์ž…์›์น˜๋ฃŒ ์˜๋ขฐ โ‘ก 2์ฃผ ์ด๋‚ด์˜ ๊ธฐ๊ฐ„์„ ์ •ํ•ด์„œ ์ž…์›ํ•˜๊ณ  2์ธ ์ด์ƒ ์ •์‹ ๊ณผ์ „๋ฌธ์˜์˜ ์ผ์น˜๋œ ์†Œ๊ฒฌ์ด ์žˆ๋Š” ๊ฒฝ์šฐ ๋‹นํ•ด ์ •์‹ ์งˆํ™˜์ž์— ๋Œ€ํ•˜์—ฌ ๊ตญ๊ฐ€๋‚˜ ์ง€๋ฐฉ์ž์น˜๋‹จ์ฒด๊ฐ€ ์„ค์น˜ ๋˜๋Š” ์šด์˜ํ•˜๋Š” ์ •์‹ ์˜๋ฃŒ๊ธฐ๊ด€์— ์ž…์›์น˜๋ฃŒ๋ฅผ ์˜๋ขฐํ•  ์ˆ˜ ์žˆ๋‹ค. ์ด ๋•Œ ์‹œ๊ตฐ๊ตฌ์ฒญ์žฅ์€ ๋ณดํ˜ธ์˜๋ฌด์ž ๋˜๋Š” ๋ณดํ˜ธ๋ฅผ ํ•˜๊ณ  ์žˆ๋Š” ์ž์— ๋Œ€ํ•˜์—ฌ ๊ณ„์†์ž…์›์ด ํ•„์š”ํ•œ ์‚ฌ์œ  ๋ฐ ๊ธฐ๊ฐ„๊ณผ ํ‡ด์›์‹ฌ์‚ฌ ๋“ฑ์˜ ์ฒญ๊ตฌ์— ๊ด€ํ•œ ์‚ฌํ•ญ์„ ์ง€์ฒด ์—†์ด ์„œ๋ฉด ๋˜๋Š” ์ „์ž๋ฌธ์„œ๋กœ ํ†ต์ง€ ํ•˜์—ฌ์•ผ ํ•œ๋‹ค. (3) ์‘๊ธ‰์ž…์› โ‘  ์˜์‚ฌ์™€ ๊ฒฝ์ฐฐ๊ด€์˜ ๋™์˜๋ฅผ ์–ป์–ด ์‘๊ธ‰์ž…์›์„ ์˜๋ขฐ โ‘ก ์ด ๋•Œ ๊ฒฝ์ฐฐ๊ด€ ๋˜๋Š” ๊ตฌ๊ธ‰๋Œ€์›์€ ์ •์‹ ์˜๋ฃŒ๊ธฐ๊ด€๊นŒ์ง€ ๋‹นํ•ด์ธ์„ ํ˜ธ์†ก1972 โ‘ข 72์‹œ๊ฐ„ ๋ฒ”์œ„ ๋‚ด์—์„œ ์‘๊ธ‰์ž…์› ๊ฐ€๋Šฅ (4) ๊ฐ€ํ‡ด์› โ‘  2์ธ ์ด์ƒ์˜ ์ •์‹ ๊ณผ ์ „๋ฌธ์˜์˜ ์ง„๋‹จ๊ฒฐ๊ณผ์— ๋”ฐ๋ผ ํ‡ด์›์‹œํ‚ฌ ์ˆ˜ ์žˆ์œผ๋ฉฐ ๊ทธ ์‚ฌ์‹ค์„ ์‹œ, ๋„์ง€์‚ฌ ์—๊ฒŒ ํ†ต๋ณด
Acute agitation ๊ฐ€๋Šฅํ•œ ์•ฝ์ œ๋“ค / BDZ๋Š” QTc ์—ฐ์žฅ์ด ์—†์Šต๋‹ˆ๋‹ค.
Acute agitation์—์„œ ํ™˜์ž๊ฐ€ QTc prolongation ๋ณด์ผ ๊ฒฝ์šฐ BDZ โ†’ Atypical antipsychotics โ†’ Typical antipsychotics ์ˆœ์œผ๋กœ ์‚ฌ์šฉ.