Levodopa-Induced Dyskinesia: Medical and Surgical Management
September 1st 2007In the 1960s, the treatment of Parkinson disease (PD) was revolutionized by the introduction of levodopa. Soon after its discovery, however, it was observed that continuous treatment was complicated by the emergence of choreoathetoid movements and off episodes.
Managing MCI: Sifting Through the Unknowns
September 1st 2007In many ways, the frustration experienced bypatients struggling with mild cognitive impairment(MCI) is matched by the frustration ofclinicians facing the challenge of managing thisheterogeneous condition. The prognosis can bevariable, and no proven therapies exist.
Is There a Role for Minocycline in Neurodegenerative Disease Treatment?
September 1st 2007During the past decade, a great deal of research has been undertaken to better understand the pathogenesis of neurodegenerative diseases. Data from stroke models has shown that the semisynthetic tetracycline antibiotic minocycline can mediate neuroprotection in neurodegenerative diseases by inhibiting caspase-1 and inducible nitric oxide synthase (iNOS) activity.
Diagnosing Dementia: Essential for Prognosis, Treatment, and Potential Cure
September 1st 2007Defined as a clinical syndrome involving progressive deterioration in multiple areas of cognitive functioning, dementia is a major cause of disability, institutionalization, and increased mortality among the elderly. Although it can occur in younger persons too, dementia is typically associated with aging. It is often seen as a disease that cannot be prevented or cured. However, there is increasing evidence that some types of dementia can be successfully treated or even reversed.
Serotonin, Netrins, and Brain Development: Why a Neurotransmitter Is Not Always a Neurotransmitter
August 1st 2007From a research perspective, it is always a joy when molecular mechanisms that were first characterized in petri dishes are confirmed inside a living animal. As molecular techniques have become more sophisticated, such dual results are increasingly commonplace. This month's column is about just such an achievement and takes its cue from a topic I considered in last month's article.
Shortage of Mental Health Professionals in Military
August 1st 2007Department of Defense (DOD) medical centers, community hospitals, and clinics throughout the United States were tasked with hiring 44 "contract" psychiatrists over the summer as a response to growing concerns about inadequate mental health care for soldiers in Iraq and Afghanistan and those returning home.
Toward an Improved Nosology of Sexual Dysfunctions in DSM-V
August 1st 2007Sexual dysfunctions as distinct syndromes were first identified in DSM-III in 1980. At that time, sets of criteria were specified for inhibited sexual desire, inhibited sexual excitement, inhibited female orgasm, inhibited male orgasm, premature ejaculation, dyspareunia, and functional vaginismus.
Antipsychotics in the Treatment of Comorbid Anxiety in Bipolar Disorder
August 1st 2007The comorbidity of anxiety disorders with bipolar disorder is a rule, not an exception, with a negative impact on both course and treatment outcome. So far, there are no guidelines or consensus for the treatment of this comorbidity.
Premenstrual Dysphoric Disorder: An Update on Diagnosis and Treatment
August 1st 2007Premenstrual dysphoric disorder (PMDD) is a distinct cyclical disorder in which women experience distressed mood and behavioral symptoms in the late luteal or premenstrual phase of their menstrual cycle. PMDD is the most extreme or severe form of premenstrual syndrome (PMS).
Nonverbal Learning Disabilities and Sensory Processing Disorders
August 1st 2007In our presentation at the 2006 annual meeting of the American Academy of Child and Adolescent Psychiatry, we suggested that child psychiatrists who come across a child with the profile of the following hypothetical case should consider whether the child may have deficits that are not currently covered by DSM-IV nosology: either a nonverbal learning disability (NVLD) or a sensory processing disorder (SPD).
Hume's Fork and Psychiatry's Explanations: Determinism and the Dimensions of Freedom
August 1st 2007An item in the Boston Globe recently caught my eye. Apparently, a man who was fired by a large corporation for visiting an adult "chat room" while at work is suing the company. The man is claiming he is an "Internet addict" who "deserves treatment and sympathy rather than dismissal." Another item reported recently concerned a lawyer who argued that her client was not responsible for a rampage that he had committed because he "had been obsessed with comic book superheroes as a kid."
Sexual Orientation: Neuroendocrine and Psychodynamic Influences
August 1st 2007In this article we discuss psychoneuroendocrine influences on sexual orientation and the psychodynamics of internalized homophobia. Because of space limitations, we focus on homosexual orientation, although research in this area sheds light on heterosexual and bisexual orientation as well.
Options for Management of Serotonin Reuptake Inhibitor-Induced Sexual Dysfunction
August 1st 2007Among 25 to 30 million Americans in whom depression is diagnosed annually, 18 to 25 million are treated with antidepressants, of which 90% are SSRI or non-selective serotonin reuptake inhibitor (SRI) antidepressants, the most frequently prescribed medications for all outpatients aged 18 to 65 years.
Risk Versus Benefit of Benzodiazepines
August 1st 2007Epidemiological studies report a lifetime prevalence rate of 24.9% for (any) anxiety disorder. Feelings of anxiety can also be related to normal fear of pain, loneliness, ridicule, illness, injury, grief, or death. In both these types of situations, anxiety can be difficult to deal with. Consequently, benzodiazepines, which offer almost immediate symptomatic relief for anxiety, can be quite appealing to many persons.
Suicide in Depression: Balancing Risk Factors, Identifying Vulnerable Patients
August 1st 2007This May, the FDA called for a black box warning on antidepressants to indicate that patients aged 18 to 24 years are at heightened risk for treatment-emergent suicidality. But a member of the FDA advisory committee that recommended that warning has issued his own warning, saying that the "real killer in this story is untreated depression and the possible risk from antidepressant treatment is dwarfed by that from the disease."
Nonmotor PD Symptoms Are Many and Deserve Attention
August 1st 2007Nonmotor symptoms of Parkinson disease [PD] are diverse and include sleep disorders, depression, and pain," reported Carlo Colosimo, MD, assistant professor of neurology at La Sapienza University in Rome. He noted that a screening tool is needed.
Huntington Disease: Hopes for the Future
August 1st 2007Initial symptoms include personality changes and the gradual appearance of small involuntary movements. These move- ments progress to frank chorea, ballism, and dystonia. Later in the disease course, a bradykinetic parkinsonian phenotype manifests. It is characterized by rigidity, severe dystonia, and contractures. Falls are common. Dysphagia is common as well and is progressive, becoming severe and often contributing to death from aspiration pneumonia.
Understanding Tourette Syndrome and Providing Relief
August 1st 2007Thus, a young woman describes her ex-boyfriend who had Tourette syndrome (TS), the impact of which caused their breakup. TS affects approximately 1 in 100 Americans and is marked by a fluctuating course of multiple motor and phonic tics, which can have devastating social, physical, and psychological consequences for the patient.
Ameliorating Stressors May Alleviate MS
August 1st 2007For 2 decades Maggie McPhersun's physicians had attributed her fatigue, episodes of choking, and periodic imbalance and numbness to chronic fatigue or depression. But the 51-year-old registered nurse and artist from Brunswick, Maine, knew that something was very wrong. When an MRI finally revealed multiple sclerosis (MS) lesions, the first thing McPhersun felt was relief. She finally had a sensible explanation for her symptoms.