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Glanzmann thrombasthenia ์„ค๋ช…์˜ค๋ฅ˜

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  • Glanzmann thrombasthenia (์‘์ง‘๊ธฐ๋Šฅ์ด์ƒ)

    • ํ˜ˆ์†ŒํŒ ํ‘œ๋ฉด์˜ GP IIb/IIIa ๋ณตํ•ฉ์ฒด ๊ฒฐํ•จ

    • ํ˜ˆ์†ŒํŒ์˜ ์ˆ˜์™€ ํ˜•ํƒœ๋Š” ์ •์ƒ, BT ๋ฐ PFA-100 closure time ์—ฐ์žฅ, ์‘์ง‘๋ฐ˜์‘์‹œ ristocetin์— ๋ฌด๋ฐ˜์‘์„ฑ

์—์„œ ์‘์ง‘๋ฐ˜์‘์‹œ ristocetin ๋ฌด๋ฐ˜์‘์„ฑ์ด๋ผ๊ณ  ์ž˜๋ชป ์ ํ˜€์žˆ์Šต๋‹ˆ๋‹ค.


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์ง€์ ํ•ด์ฃผ์‹  ๋‚ด์šฉ์ด ์ •ํ™•ํ•ฉ๋‹ˆ๋‹ค. ์ œ๊ณต๋œ ๊ฐœ๋…์„œ ๋‚ด์šฉ ์ค‘ Glanzmann thrombasthenia(๊ธ€๋ž€์ธ ๋งŒ ํ˜ˆ์†ŒํŒ๋ฌด๋ ฅ์ฆ)์˜ ์„ค๋ช…์— ์˜ค๋ฅ˜๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.

Glanzmann thrombasthenia๋Š” Ristocetin์—๋Š” ์ •์ƒ ๋ฐ˜์‘์„ ๋ณด์ด๋ฉฐ, ADP, Collagen, Epinephrine ๋“ฑ ๋‹ค๋ฅธ ์ž‘์šฉ์ œ์— ๋ฐ˜์‘ํ•˜์ง€ ์•Š๋Š” ๊ฒƒ์ด ํŠน์ง•์ž…๋‹ˆ๋‹ค.

์ƒ์„ธ ํ•ด์„ค:

  1. Glanzmann thrombasthenia (๊ธ€๋ž€์ธ ๋งŒ ํ˜ˆ์†ŒํŒ๋ฌด๋ ฅ์ฆ)

    • ์›์ธ: ํ˜ˆ์†ŒํŒ ํ‘œ๋ฉด์˜ GP IIb/IIIa ๋ณตํ•ฉ์ฒด ๊ฒฐํ•.
    • ๊ธฐ์ „: GP IIb/IIIa๋Š” Fibrinogen๊ณผ ๊ฒฐํ•ฉํ•˜์—ฌ ํ˜ˆ์†ŒํŒ๋ผ๋ฆฌ ๋ญ‰์น˜๊ฒŒ(Aggregation) ํ•˜๋Š” ์—ญํ• ์„ ํ•ฉ๋‹ˆ๋‹ค. ์ด ๋ณตํ•ฉ์ฒด๊ฐ€ ์—†์œผ๋ฏ€๋กœ ADP, Collagen, Thrombin ๋“ฑ์˜ ์ž๊ทน์„ ์ฃผ์–ด๋„ ํ˜ˆ์†ŒํŒ ์‘์ง‘์ด ์ผ์–ด๋‚˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค (๋ฌด๋ฐ˜์‘).
    • Ristocetin ๋ฐ˜์‘: Ristocetin์€ vWF์™€ ํ˜ˆ์†ŒํŒ ํ‘œ๋ฉด์˜ GP Ib ์ˆ˜์šฉ์ฒด ์‚ฌ์ด์˜ ๊ฒฐํ•ฉ์„ ์œ ๋„ํ•˜์—ฌ ํ˜ˆ์†ŒํŒ์„ ๋ญ‰์น˜๊ฒŒ(Agglutination) ํ•ฉ๋‹ˆ๋‹ค. Glanzmann ๋ณ‘์—์„œ๋Š” GP Ib๊ฐ€ ์ •์ƒ์ด๋ฏ€๋กœ Ristocetin ํˆฌ์—ฌ ์‹œ์—๋Š” ์ •์ƒ์ ์œผ๋กœ ๋ฐ˜์‘ํ•ฉ๋‹ˆ๋‹ค.
  2. Bernard-Soulier syndrome (๋ฒ ๋ฅด๋‚˜๋ฅด-์ˆ ๋ฆฌ์— ์ฆํ›„๊ตฐ)๊ณผ์˜ ๋น„๊ต

    • ๊ฐœ๋…์„œ์— ์ ํžŒ 'Ristocetin ๋ฌด๋ฐ˜์‘'์€ Bernard-Soulier syndrome์˜ ํŠน์ง•์ž…๋‹ˆ๋‹ค.
    • Bernard-Soulier syndrome์€ GP Ib ๊ฒฐํ•์ด ์›์ธ์ด๋ฏ€๋กœ, Ristocetin์„ ํˆฌ์—ฌํ•ด๋„ vWF์™€ ๊ฒฐํ•ฉํ•˜์ง€ ๋ชปํ•ด ์‘์ง‘์ด ์ผ์–ด๋‚˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค (Ristocetin ๋ฌด๋ฐ˜์‘). ๋ฐ˜๋ฉด GP IIb/IIIa๋Š” ์ •์ƒ์ด๋ฏ€๋กœ ADP, Collagen ๋“ฑ์—๋Š” ์ •์ƒ ๋ฐ˜์‘์„ ๋ณด์ž…๋‹ˆ๋‹ค.

์š”์•ฝ (ํ˜ˆ์†ŒํŒ ์‘์ง‘ ๊ฒ€์‚ฌ ์†Œ๊ฒฌ):

  • Glanzmann thrombasthenia: ADP/Collagen/Epinephrine (๊ฐ์†Œ/๋ฌด๋ฐ˜์‘) vs Ristocetin (์ •์ƒ)
  • Bernard-Soulier syndrome: ADP/Collagen/Epinephrine (์ •์ƒ) vs Ristocetin (๊ฐ์†Œ/๋ฌด๋ฐ˜์‘)

๋”ฐ๋ผ์„œ ํ•ด๋‹น ๊ฐœ๋…์„œ์˜ Glanzmann thrombasthenia ์„ค๋ช… ๋ถ€๋ถ„์ธ "์‘์ง‘๋ฐ˜์‘์‹œ ristocetin์— ๋ฌด๋ฐ˜์‘์„ฑ"์€ **"์‘์ง‘๋ฐ˜์‘์‹œ ADP, Collagen ๋“ฑ์— ๋ฌด๋ฐ˜์‘์„ฑ(Ristocetin์—๋Š” ์ •์ƒ)"**์œผ๋กœ ์ˆ˜์ •๋˜์–ด์•ผ ์˜ณ์Šต๋‹ˆ๋‹ค.


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