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з
Ҹ [4]
̿ [9]
- [11]
- [9]
[17]
Ÿ [7]
߽Ű ฮ [8]
Ųġ [6]
װ [14]
[6]
ź [5]
ۼ
ڸ
ȸ
9503
* (opioid analgesics & antagonists)
1. overview:
ڿ Ǵ ռ ȭչ ȿ . 迭 ߽Ű Ư opioid ü Ѵ. ġ 1δ Ͻ۵ δ. ̵ 뷮 ۿ ų Ƿ ſ ߿ϴ.
2. opioid ü
opioid ߽Ű Ư ʽŰ, ȭ ܹ ü ۿѴ. ̷ ü 4 ִµ ٷ μ, κ, σ δ̴. κ μ ü ִ. δ κ Ư ô뿡 Ѵ. σ ־ õǾ ִ. opioidü G protein Ǿ ְ adenylyl cyclase Ѵ. ̿ο õǾ ־ Į ϰų, Į hyperpolarization Ѽ Ű Ѵ. ü Ǿ ִ:
A. Brainstem: ȣ, ħ, , , , к Ѵ.
B. medial thalamus: õǾ ִ.
C. ô(spinal cord): ȿ ̰ Ÿ.
D. : ⼭ Į ߹ ´. ۿ õǾ ִ.
3. з:
ȿ, ߵ ȿ, ȿ , ȿ ü .
A. ȿ:
1. morphine:
a. ۿ:
ô μü ۿؼ substance P ҽŲ. ٸ ϴ ü Ѵ.
b. ۿ:
ȿ Ÿµ κ ū ȿ δ. 밨 ǰ ȣ Ÿ. ̴ ̻ȭźҿ DZ ̴. ħ ۿ ˷ ȿ̴. ൿ ǿ̵ ϴµ ϰ δ. 䵵 Ͼ. 뷮 а Ͼ. ۿδ ȿ ִ. ̴ ȣ, Ȳüڱȣ, ȣ ڱ Ȳüȭȣ Ѵ.
c. ӻ : ȿ ̿ǰ 縦 ߰ Ѵ. ħ ܰ Ѵ.
d. :
κ 汸 ȭ迡 ȴ. codeine 汸 ȴ. first-pass metabolism Ͼ , Ǵ ϴ. Ǿ ڱÿ Ѵ. 뼺 . glucronide ȴ. ü 輳ǰ ణ ε 輳ȴ. ۿð 4-6ð̴.
e. ۿ:
, , , , Һ ȳ ̴ ߵ ְ ȣ Ͼ.
f. :
ؼ ϸ ȣ, , 밨, ȿ ȴ. ݴ Ÿ.
g. ȣۿ:
-ָʹ ߽Ű Ư ȣ Ÿ. ź Űʹ ۿ Ѵ. MAO ʹ Ͼ ְ е Ÿ ɼ ִ.
2. meperidine (phenylpiperidiene ):
̴ opioid ɰ . ̿ȴ.
a. ۿ: κü Ѵ.
b. ۿ: ȣ Ͼ ҵǾ Ѵ.
c. ӻ : ̿ȴ.
d. :
ȭ迡 ǰ 汸ε ϴ. κ ֻ Ѵ. ۿð 2-4ð̴. ĥȭǰ 輳ȴ.
e. ۿ:
뷮 ð Ͼ. Ȯȴ. ٸ ź ϸ ź . MAO Ÿ ִ.
3. methadone (phenylheptylamine):
ռ 汸 opioid ɰ ϴ. ۿð 밨 .
a. ۿ: μ ü ۿѴ.
b. ۿ: ɰ ۿ Ȱ Ÿ Ⱦ Ÿ.
c. ӻ ۿ:
ΰ ɐl ݴ ̿ȴ. 汸̹Ƿ ֻǴ opioid ִ. methadone ݴ ϴ.
d. :
汸 Ǽ ǰ ۿð ɿ ؼ . ǰ ̶ ܹ鿡 յǾ ִ. ȭǰ Ȱ ü 輳ȴ.
e. ۿ: ִ.
4. fentanyl (phenylpiperidine):
meperidine ȭ ִ. 迭 sufetanil, alfentanil ְ ȿ° ü ̰ ִ. remifentanil ֱ ιҴ.
B. ߵ Ǵ ȿ:
1. propoxyphene (phenylheptylamine):
ȿ methadone õǾ ִ. 뿡 Ÿ ִ.
2. codeine ( pheanthrens):
ɺ ȿ ۰ų ȿ 뷮 ø ۿ Ÿ. aspirin Ǵ acetaminophen ü Ѵ.
3. diphenoxylate & difenoxin (phenylpiperidine):
ġῡ ̿ȴ. 汸 ؼ ϴ. atropine Բ Ѵ. loperamide ̿ȴ.
C. ȿ- ü:
ٸ ȿ ϸ ȿ ݱ̴. ȿ ҿ ݴ ı Ÿ ִ.
1. pentazocine (benzomorphan):
μ Ǵ κȿ̴. ڱؼ ʴ.
2. buprenorphine (phenanthrene):
ϰ ۿð κ μü ȿ̴.
3. butorphanol (morphinan):
κȿ̴.
D. :
opioid ü ۿ Ÿ Ѵ. opioid Ѵ.
1. naloxone:
ȥ ȣ Ѵ. heroin 뷮 Ѵ. 汸 1-2 ð ª ۿð ´. dz ٷ opioid ȿ Ų.
2. naltrexone:
naloxone ۿ ۿð . ߵڵ ġ α ̿DZ Ѵ. ڿ ߵ ȯ ġῡ ̿
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