關於一些slow release的drug - 藥物,藥學討論
By Una
at 2009-11-10T21:07
at 2009-11-10T21:07
Table of Contents
這篇文章引起大家的反應,始料未及~很感謝大家的熱心~
我離開醫院臨床工作已經快七年了~
回答這個問題,主要是基於呼應前一篇網友的論點
"SR緩釋劑型不可以磨粉"
有關NG與NTG搞錯的事,確實是自己過度好心導致的
遺忘了NG可能是鼻胃管,反而傾向原文作者將NTG不小心打成NG的想法
畢竟,以往在醫院的時後,曾經看過一次這樣的處方,所導致的聯想
(不過,藥師在藥局工作也不會自動就知道NG是鼻胃管的縮寫,直到問了才知道)
Anyway,總之,錯誤的開始,導致NTG錯誤的過程
"NTG沒有SR劑型",這位網友提到肝臟的首度效應,才讓我恍然大悟到自己真的忘了
這個藥物基本的藥動原理~
至於SR的概念,在另一位網友的專業回答中,澄清這方面的想法,敝人還算藥劑概念清楚,
不至於造成更大的笑話~
至於NTG的副作用是否造成HF,這一點,我想到心臟藥物治療的代償作用
NTG會造成靜脈血管擴張,因而反射性的造成心跳加速,這個概念應該是沒錯的
那麼心跳加速,會不會又造成心肌肥大的情況,然後又產生HF呢??
NTG過量,達中毒劑量時,這個問題的假設能否成立呢??
如果有專家可以替我解答,個人會相當感謝~
雖然在以往的想法中,NTG有被用來治療CHF跟心絞痛
不過,在治療CHF的處方中,有看到合併乙型阻斷劑,如Inderal,
抑制交感作用導致的心跳加速
這大概就是敝人的盲點所在~
其實,心臟科用藥魅力之所在,就在於一個方向的好處,在過度的藥物投予下,
導致另一方面的危機~以往曾沉迷於此,也訝異心臟科醫師用藥的複雜性
一個SR的問題,引導出不少題外話,不無收獲~
感謝各位網友的提點與指教
--
我離開醫院臨床工作已經快七年了~
回答這個問題,主要是基於呼應前一篇網友的論點
"SR緩釋劑型不可以磨粉"
有關NG與NTG搞錯的事,確實是自己過度好心導致的
遺忘了NG可能是鼻胃管,反而傾向原文作者將NTG不小心打成NG的想法
畢竟,以往在醫院的時後,曾經看過一次這樣的處方,所導致的聯想
(不過,藥師在藥局工作也不會自動就知道NG是鼻胃管的縮寫,直到問了才知道)
Anyway,總之,錯誤的開始,導致NTG錯誤的過程
"NTG沒有SR劑型",這位網友提到肝臟的首度效應,才讓我恍然大悟到自己真的忘了
這個藥物基本的藥動原理~
至於SR的概念,在另一位網友的專業回答中,澄清這方面的想法,敝人還算藥劑概念清楚,
不至於造成更大的笑話~
至於NTG的副作用是否造成HF,這一點,我想到心臟藥物治療的代償作用
NTG會造成靜脈血管擴張,因而反射性的造成心跳加速,這個概念應該是沒錯的
那麼心跳加速,會不會又造成心肌肥大的情況,然後又產生HF呢??
NTG過量,達中毒劑量時,這個問題的假設能否成立呢??
如果有專家可以替我解答,個人會相當感謝~
雖然在以往的想法中,NTG有被用來治療CHF跟心絞痛
不過,在治療CHF的處方中,有看到合併乙型阻斷劑,如Inderal,
抑制交感作用導致的心跳加速
這大概就是敝人的盲點所在~
其實,心臟科用藥魅力之所在,就在於一個方向的好處,在過度的藥物投予下,
導致另一方面的危機~以往曾沉迷於此,也訝異心臟科醫師用藥的複雜性
一個SR的問題,引導出不少題外話,不無收獲~
感謝各位網友的提點與指教
--
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