December in July

The title refers to the fact that this post was drafted back in December 2016 as an email InfoShare for the Capitol Area Parkinson’s Support (CAPS) group, which is meeting today (July 15 2017) at 2 PM. Never did send it out. So here it is, a few months late, but the news is still timely. Especially the value of early treatment and diagnosis of PD.  So, here it is:
The London School of Economics and Political Science recently released a report on the “Value of Early Diagnosis and Treatment in Parkinson’s Disease”, a literature review of recent studies with recommendations for action. It can be downloaded at http://www.braincouncil.eu/wp-content/uploads/2016/11/Parkinson-report-2016-1.pdf 
On a broader view of PD,  here’s a link to a page that has links to just about everything Parkinson’s – The National Institutes of Health (NIH) U.S. National Library of Medicine (NLM) Medline Plus topic page on Parkinson’s Disease.
OK – you can spend a week going through all of that information. 
So here are the items mentioned in the subject headline:
First, evidence that DBS is helpful in early stages of PDS, not just in later stages. Benefits extend for at least 5 years.
The PDF copy of the research paper referenced in the above news article can be found at this link:
A less drastic approach than brain surgery might be helpful for motor symptoms:
Next, contradictory evidence regarding whether statins used to lower cholesterol levels offer a protective effect for PD – previous analyses said yes, but further massage of the data reveals that the answer is not as simple as it seemed at first.
Here are links to related articles, papers, and abstracts:
Earlier this year, an analysis of ten reports that yielded different conclusions after adjusting for cholesterol levels.
In 2012, the JAMA Neurology journal published a prospective analysis that indicated statins reduced the risk of PD. (PDF of full article is available for free download):
Several years ago, an analysis found publication bias in favor of positive results, and both a protective effect for statin use and no protective effect for long term statin use:
And last year, an analysis of published reports that found that use of statins was not protective for PD, in contrast to the hypothesis that statins are protective.
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