專家解釋說,高膽固醇造成動脈內plaque build- up,plaque 破裂引起血栓形成,所以病人都S於血栓。

來源: betadine 2014-08-23 08:51:19 [] [舊帖] [給我悄悄話] 本文已被閱讀: 次 (1399 bytes)
Cholesterol plaques are the products of heart disease. Plaques begin in artery walls and grow over years. The growth of cholesterol plaques slowly blocks blood flow in the arteries. Worse, a cholesterol plaque can suddenly rupture. The sudden blood clot that forms over the rupture then causes a heart attack or stroke.
Blocked arteries caused by plaque buildup and blood clots are the leading cause of death in the U.S. Reducing cholesterol and other risk factors can help prevent cholesterol plaques from forming. Occasionally, it can even reverse some plaque buildup.
Cholesterol Plaques and Atherosclerosis
Cholesterol plaques form by a process called atherosclerosis. Another name for atherosclerosis is "hardening of the arteries." LDL or "bad cholesterol" is the raw material of cholesterol plaques. Progressive and painless, atherosclerosis grows cholesterol plaques silently and slowly. The eventual result is blocked arteries, which places blood flow at risk.
The cholesterol plaques of atherosclerosis are the usual cause of heart attacks, strokes, and peripheral arterial disease. These conditions together are called cardiovascular disease. Cardiovascular disease is the No. 1 killer in America, causing more than 900,000 deaths each year.

至於有沒有必要吃降膽固醇藥真的值得探討,臨床上有點濫用了。

所有跟帖: 

這個說法近100年了! 但不能解釋: 1) 為什麽不先積聚在較細的中小動脈? 2) 為什麽不先積聚在血流速度較慢的靜脈壁? -益生菌- 給 益生菌 發送悄悄話 益生菌 的博客首頁 (0 bytes) () 08/23/2014 postreply 09:27:47

中小動脈也有,危害小,不致命,比如:leg ulcer, 臨床上也做bypass 治療。 -betadine- 給 betadine 發送悄悄話 (0 bytes) () 08/23/2014 postreply 09:39:55

動脈壁和靜脈壁的構造也不一樣,流得血也不一樣,所以抗動脈血栓與抗靜脈血栓的用藥也不一樣。 -betadine- 給 betadine 發送悄悄話 (84 bytes) () 08/23/2014 postreply 09:46:24

這些不一樣,誰都知道 -益生菌- 給 益生菌 發送悄悄話 益生菌 的博客首頁 (0 bytes) () 08/23/2014 postreply 09:56:10

不一樣的東西,怎麽會有一樣的結果? -betadine- 給 betadine 發送悄悄話 (0 bytes) () 08/23/2014 postreply 11:23:00

不是濫用的問題, 而是1)不必要, 2)極有害 -益生菌- 給 益生菌 發送悄悄話 益生菌 的博客首頁 (0 bytes) () 08/23/2014 postreply 10:01:41

我不是問有無, 而是, 為什麽不是先? -益生菌- 給 益生菌 發送悄悄話 益生菌 的博客首頁 (0 bytes) () 08/23/2014 postreply 09:53:34

這與冠狀動脈的解剖及生理有關。 -betadine- 給 betadine 發送悄悄話 (0 bytes) () 08/23/2014 postreply 10:07:02

先後是證實的事實還是你的假設? -26484915- 給 26484915 發送悄悄話 26484915 的博客首頁 (0 bytes) () 08/23/2014 postreply 10:20:52

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