I wanted to put a couple of quotes and links to Stroke Journal - a study that was published, it took place from 1996-2005. This should allow folks reading the thread to see the same thing the neurosurgeons are reading.
I would suggest anyone wanting to know more about Moyamoya search for that term on the Stroke website, you can read every published article there. http://stroke.ahajournals.org/
The data from this study and a previous one in Japan in 1996 show that folks with the bypass surgery are still at risk for stroke, with 14-17% of the group having them within 5 years.
For those who treated medically, and were corrected diagnosed via angiogram, during the same 5 year period had a stroke rate of 27%. http://tinyurl.com/5swcja [Published June 2006]
"In medically treated symptomatic hemispheres, the 5-year risk of recurrent ipsilateral stroke was 65% after the initial symptom and 27% after angiographic diagnosis."
"In surgically treated hemispheres, the 5-year risk of perioperative or subsequent ipsilateral stroke or death was 17%. This was significantly different compared with medical treatment after first symptom (P=0.02) but not after angiographic diagnosis. "
One benefit of surgery, is that 25% of patients will see a decrease in moyamoya vessels!!
"Moyamoya vessels, which are supposed to be responsible for hemorrhage, decreased in 25% of patients." http://tinyurl.com/6oujm5 [1996 study in Japan]
http://tinyurl.com/5e25d3 May 2007 study... 6 of 40 treated by surgery, 34 of 40 treated medicinally. 7 of 34 medically treated had event within follow pd, 20.5% Of the 6 treated with surgery, no events within follow up pd.
Monday, July 28, 2008
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