歲月麻醉

Anesthesia,Joyful Life
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PPCM的治療露出曙光!?

對於致病機轉得來龍去脈無法釐清前,唯有對症治療。

PPCM peripartum cardiomyopathy,是一種懷孕中末期,以擴張性心肌病(dilated cardiomyopathy)為表現的不明疾病,發生率在1:2000~4000之間。只有1/3病人生產後會恢復到原來心功能水平,6個月的死亡率在10%,是一種不容忽視的婦科疾病。

曾被提出致病原因或機轉的有:
1.inflammation (myocarditis, cytokines)
2. viral infection
3. autoimmunity
4. abnormal response to the hemodynamic stress of pregnancy
5.Gq-related myocyte apoptosis
6.oxidative stress-induced Cathepsin D production which produces defective prolactin leading to endothelial damage and apoptosis of vascular cells
7. prolonged tocolysis
8.selenium deficiency.
9. cytokine-mediated inflammation

其中以t inflammation, viral infection, 16 kDa prolactin induced apoptosis and autoimmunity,的實驗證據最多。



2010年4月在Circulation發表的一篇研究,Evaluation of bromocriptine in the treatment of acute severe peripartum cardiomyopathy: a proof-of-concept pilot study.Circulation. 2010 Apr 6;121(13):1465-73.,其正向的治療結果,似乎露出一線曙光。但隨之伴隨的Editorial review,Bromocriptine for the treatment of peripartum cardiomyopathy.Circulation. 2010 Apr 6;121(13):1463-4


卻提出謹慎對待的呼籲!理由:




1.Evidence too weak! 樣本數太少。

2.結果有疑率,對於對照組的mortality rate偏高!

3.無法排除對bromocriptine併發症如, stroke, seizures, and myocardial infarction的安全考量。


4.對非非洲裔族群的有效率並無證實。

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