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September 2005 News and Blog Posts (13)

Computer programs aid Alzheimer's diagnosis

(PSYCHIATRIC TIMES) - As more physicians begin to use FDG-PET for diagnosing Alzheimer's disease, the demand for automated software systems that help interpret complex metabolic scans is increasing. Several new automated expert systems have been developed that can improve diagnostic accuracy and help assess risk for the disease.



The Centers for Medicare and Medicaid Services' decision last year to provide reimbursement for PET imaging of suspected Alzheimer's patients opened the… Continue

Added by psychiatryRounds Psychiatry News on September 22, 2005 at 2:30am — No Comments

Anorexia Nervosa-Associated Raynaud Phenomenon

(PSYCHIATRIC TIMES) - Evaluation of intermittently discolored, cold fingers was sought by a 39-year-old woman with long-standing anorexia nervosa. The patient had never smoked and was not taking any vasoconstrictive drugs.



Examination revealed an emaciated woman who was 163 cm (5 ft 4 in) tall and weighed 38 kg (84 lb). Her fingers were palpably cool, erythrocyanotic, mildly swollen, and xerotic. Bilateral radial and ulnar pulses were palpable, and an Allen test revealed no occlusion… Continue

Added by psychiatryRounds Psychiatry News on September 14, 2005 at 4:00am — No Comments

Anorexia Nervosa

(PSYCHIATRIC TIMES) - A 30-year-old woman was brought to the hospital with syncope, bradycardia, and hypotension. For the past 6 years, she had vomited after eating meals and after occasional episodes of binge eating.



Despite profound weight loss, the patient denied hunger, thinness, and fatigue. She was emaciated and amenorrheic; body fat was undetectable, and the bones protruded through the skin. Drs Demetrios Papaioannides, S. N. Nikas, and E. Athanassiou of Arta, Greece, and Dr… Continue

Added by psychiatryRounds Psychiatry News on September 14, 2005 at 4:00am — No Comments

MRI unveils one of dementia’s sources

(PSYCHIATRIC TIMES) - Vascular disease in the brain may dictate the onset of dementia in the elderly, according to a study published in the September issue of Radiology.



Debate on the association between dementia and cerebrovascular disease is as old as imaging itself. But even though the causes of dementia are multiple — and many remain unknown — some imagers point at cerebrovascular disease as one of the most relevant.



Radiologist Dr. Aart Spilt and colleagues at the… Continue

Added by psychiatryRounds Psychiatry News on September 5, 2005 at 2:30am — No Comments

Neurologists Now: Computerized, a Bit Older, and a Few More Women

(PSYCHIATRIC TIMES) - Neurologists are seeing about 13 more patients per week than they were in 1991. On average, they're a few years older and the number of women in the ranks of the specialty has grown modestly. Electroencephalography and CT procedures are down, while MRI and positron emission tomography procedures are up. Neurologists are giving 22 more botulinum toxin injections a year than they were 13 years ago when they were first asked, according to the sixth census survey of… Continue

Added by psychiatryRounds Psychiatry News on September 1, 2005 at 8:30pm — No Comments

Signals * promising developments for neurology

(PSYCHIATRIC TIMES) - Is Acrolein Interception Key to Thwarting Neurodegeneration?



A team of neuroscientists from Purdue University and Nagoya University in Nagoya, Japan, has identified acrolein as a key neurotoxin in the neurodegenerative process that follows traumatic spinal cord injury. Acrolein, a toxic industrial by-product, naturally occurs in the body in negligible quantities as free radical molecules. However, it can quickly accrue to toxic levels in response to trauma,… Continue

Added by psychiatryRounds Psychiatry News on September 1, 2005 at 8:30pm — No Comments

The Emerging Role of GABAergic Mechanisms in Mood Disorders

(PSYCHIATRIC TIMES) - Educational Objectives:



Upon completion of this educational activity, the reader will be familiar with:



* The basic physiology of GABA neurotransmission.

* The importance of GABA in animal models of depression.

* The diverse range of medications that have GABAergic effects and efficacy in mood disorders.

* Targets of future drug development based on commonalities of drug effects.



Who will benefit from reading this… Continue

Added by psychiatryRounds Psychiatry News on September 1, 2005 at 8:30pm — No Comments

Medication-Induced Activation in Children and Adolescents

(PSYCHIATRIC TIMES) - Doctors treating children who appear to become agitated, irritable or activated on medication want to know how to manage these reactions and whether these types of medication responses are a harbinger of future bipolar disorder (BD) (e.g., Ghaemi et al., 2003). Unfortunately, we cannot answer these questions for a number of reasons (for a review, see Carlson and Mick [2003]).



For starters, there are few data and no agreed-upon term or terms that address the… Continue

Added by psychiatryRounds Psychiatry News on September 1, 2005 at 5:00am — No Comments

Through the Times With Max Fink, M.D.

(PSYCHIATRIC TIMES) - For much of his career, Max Fink, M.D., has been viewed as a pre-eminent researcher and advocate for electroconvulsive therapy. But older physicians, he said, identify him with electroencephalography, psychopharmacology and research on substance abuse.



Fink's parents met at medical school in Vienna, Austria, where he was born in 1923. They emigrated to New York in 1924. Fink received his M.D. degree from the New York University College of Medicine in 1945 and… Continue

Added by psychiatryRounds Psychiatry News on September 1, 2005 at 4:00am — No Comments

Behavioral and Pharmacologic Treatment of Aggression in Children With Autism

(PSYCHIATRIC TIMES) - Autistic disorder (autism) is a childhood-onset disorder characterized by marked impairments in social interaction, communication and behavior. Aggression is a frequent reason for psychiatric referral in this population. As such, the clinician needs to be knowledgeable regarding aggression assessment and treatment. This article will provide an overview of treatment modalities, with emphasis on the future direction of interventions targeting aggression in children with… Continue

Added by psychiatryRounds Psychiatry News on September 1, 2005 at 3:30am — No Comments

Perceptions

(PSYCHIATRIC TIMES) - The big puzzle of Alzheimer disease (AD) is far from being pieced together. It has no defined borders and unknown missing pieces. However, new pieces continue to be found on a regular basis, and some of them point to steps that can be taken today or in the near future.



From the inaugural July issue of Alzheimer's & Dementia: The Journal of the Alzheimer's Association, one suggestion for reducing the risk of AD in your patients can be deduced: advise older… Continue

Added by psychiatryRounds Psychiatry News on September 1, 2005 at 2:30am — No Comments

Amyloid plaques hasten progress of dementia

(PSYCHIATRIC TIMES) - A human trial using PET imaging with carbon-11 Pittsburgh compound B suggests a relationship between the amount of brain-based amyloid found with the agent and the rate at which symptoms of dementia with Lewy bodies progress.



Amyloid protein is a suspected cause of Alzheimer's disease, but its influence on the genesis of dementia with Lewy bodies (DLB) is not known. Neurofibrillary tangles, commonly associated with amyloid plaques in the brain of an AD patient,… Continue

Added by psychiatryRounds Psychiatry News on September 1, 2005 at 2:30am — No Comments

Updates Show Progress in TMS for Depression and Schizophrenia

(PSYCHIATRIC TIMES) - Repetitive transcranial magnetic stimulation (rTMS), which allows for direct activation of neurons, will play an ever-expanding role in depression and schizophrenia treatment, according to recent reports from Mark S. George, M.D., and Alan L. Schneider, M.D. George, who is distinguished professor of psychiatry, radiology and neurology, and director of the Brain Stimulation Laboratory at the Medical University of South Carolina College of Medicine, provided updates on rTMS… Continue

Added by psychiatryRounds Psychiatry News on September 1, 2005 at 2:00am — No Comments

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