liveonearth: (Default)
Pneumococcal Vaccine Dosing Schedule Linked to Higher Risk of Acquiring Multiresistant Strain and
Guidelines Updated for Use of 23-valent Pneumococcal Polysaccharide Vaccine in Adults
medscape articles posted by Laurie Barclay, MD
notes from medscape keeping up with concerns and ACIP, these notes pulled for black book )
liveonearth: (Default)
According to Atul Gawande there are 90,000 new ICU admissions per day in the US. Here's more of what he says:

This is the reality of intensive care: at any point, we are as apt to harm as we are to heal. Line infections are so common that they are considered a routine complication. ICUs put five million lines into patients each year, and national statistics show that after ten days 4 percent of those lines become infected. Line infections occur in eighty thousand people a year in the United States and are fatal between 5 and 28 percent of the time, depending on how sick one is at the start. Those who survive line infections spend on average a week longer in intensive care. And this is just one of many risks. After ten days with a urinary catheter, 4 percent of American ICU patients develop a bladder infection. After ten days on a ventilator, 6 percent develop bacterial pneumonia, resulting in death 40 to 45 percent of the time. All in all, about half of ICU patients end up experiencing a serious complication, and once that occurs the chances of survival drop sharply.
--Atul Gawande in The Checklist Manifesto p28.
liveonearth: (Default)
A new enzyme (NDM-1) has been found in some bugs brought back to the UK by people who went to India and Pakistan for hospital procedures. The enzyme makes these microbes resistant to yet another type of abx (carbapenems, the last of the beta lactams that can beat bugs with beta lactamase). NDM-1 has been found in E.coli and they're worried that other microbes may gain this capacity because of the way that bacteria trade DNA (plamids). There are only 50 known cases in the UK but docs are worried. The future for the treatment of infections may not be antibiotic drugs. We may end up using naturopathic methods of increasing immune resistance, or perhaps even the introduction of bacteriophages. I would love to see phages investigated further but as long as antibiotics are the standard of practice for infections, nobody's got the time or money to investigate it. Except the Russians. They are all over a good idea.
liveonearth: (Default)
The dump is more than one floating mass of mostly plastic garbage that some say is as large as the United States. I guess there are no shipping lanes that go through those parts of the ocean. I wonder if there's any connection between all the floating trash and the increase in ocean-bourne MRSA.

http://www.commondreams.org/headline/2010/03/16-6
some images from the web today )
liveonearth: (Default)
Kary Mullis is a surfer dude and brilliant molecular biologist who got a Nobel prize for his idea. In 1985 he dreamed up an in vitro method for gene amplification. His method is called PCR, polymerase chain reaction. The process is brilliant because it can be completely automated and the starting material can be impure.
PCR details )
liveonearth: (Spok has a cat)
We can give the H1N1 flu to our feline friends! If you have a kitty, wash your hands before you say hello with petting! The first case was in Iowa but now it has happened in Oregon and elsewhere.

Companion animals have been known to contract flu from other species — canine influenza (H3N8) originated in horses, and cats contract avian influenza (H5N1) from eating birds. But this appears to be the first time a cat has contracted influenza from a human. Two pet ferrets, one in Oregon and one in Nebraska, have also tested positive for H1N1, and the virus has also been transmitted between humans and pigs.

http://well.blogs.nytimes.com/2009/11/05/the-cat-who-got-swine-flu/
http://www.google.com/hostednews/ap/article/ALeqM5jPhJ3QpRycpDLrrOUwe7f4yZ5BSQD9CFBB6O0
http://archives.chicagotribune.com/2009/nov/08/business/chi-flu-pets_mullennov08
liveonearth: (Default)
NPR reports on new science that suggests that once we feed the bacteria in our guts a high sugar high fat diet, they make us fat. You can listen here.
notes )
liveonearth: (Default)
not to be confused with African trypanosomiasis which is caused by T. brucei gambiense and T. brucei rhodesiense and transmitted by Tse Tse flise
notes )
liveonearth: (Default)
2009 Annual Review of Clinical Nutrition
http://www.drgreger.org/

This was a great presentation on new research in nutrition. If you missed the lecture, don't miss your next chance to hear this man! Even with a cold, Dr Greger delivers an entertaining and highly educational lecture. Kudos to Dr Marz for getting him here to speak to us.
notes )
liveonearth: (Lenticular Cloud)
NEW RESEARCH FROM the Annals of the New York Academy of Sciences
1: Ann N Y Acad Sci. 2009 Sep;1173:757-65.
Waterhouse JC, Perez TH, Albert PJ.
Autoimmunity Research Foundation, Thousand Oaks, California 91360, USA. jcw@autoimmunityresearch.org
more )

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