In this article, guest author Jeffrey S. Barkin, MD, describes an approach to reading journal literature designed to derive the most useful information in the least amount of time.
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You won’t get very far into any journal before you start reading about statistical significance, and its close sibling, 95% confidence intervals. But what do these terms mean, and how do they help us draw conclusions about studies?
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Dr. Oransky, as Deputy Editor of The Scientist, I know that you spend a great deal of time looking at medical statistics, and you do an excellent job of making these concepts understandable in your column in CNS News, Statistically Speaking.
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Vitamin E, recommended variously for preventing cardiovascular disease, Alzheimer’s disease, and tardive dyskinesia, has taken quite a drubbing in recent years. Recent results from Harvard’s Women's Health Study have put another nail in its coffin.
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Guanfacine is an alpha-2 agonists approved for the treatment of hypertension, but commonly prescribed for posttraumatic stress disorder. Like clonidine, another alpha-2 agonist, guanfacine is believed to decrease norepinephrine release from noradrenergic neurons during states of heightened arousal.
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We have no effective treatment for severe amphetamine dependence. Now, a study from Finland points to an obvious candidate treatment for those meeting DSMIV criteria for intravenous amphetamine dependence. Patients were randomly assigned to Abilify (aripiprazole--15 mg/day), Concerta (methylphenidate controlled release--54 mg/day) or placebo for 20 weeks.
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Recently, the FDA approved the Amplichip CYP450 Test (from Roche Diagnostics), which is a device allowing laboratories to quickly find out whether your patient metabolizes drugs too slowly or too quickly.
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Dr. Aiken is the Editor in Chief of The Carlat Psychiatry Report; director of the Mood Treatment Center in North Carolina, where he maintains a private practice combining medication and therapy along with evidence-based complementary and alternative treatments; and Assistant Professor NYU Langone Department of Psychiatry. He has worked as a research assistant at the NIMH and a sub-investigator on clinical trials, and conducts research on a shoestring budget out of his private practice. Follow him on Twitter and find him on LinkedIn.