Comorbidity

Guardianship laws--the provisions aimed at ensuring that elderly and incompetent individuals receive the necessities of life (including medical care and financial protection)--are drawing fire around the country amid charges of abuse, fraud and civil rights violations.

Aware that mental illness generally begins early in life and that four teenagers commit suicide every day, several organizations and agencies are stepping up efforts to expand voluntary mental health screening and suicide prevention initiatives for youth--but they are doing so in the face of stigma and vocal opposition.

Generalized anxiety disorder (GAD) is a chronic, impairing and highly comorbid psychiatric condition. A small but sufficient group of empirically supported instruments to assess the severity of GAD are now available.

Nonconvulsive status epilepticus (NCSE), like convulsive status epilepticus, is a state of continuous or almost continuous intermittent seizure activity lasting more than 30 minutes without a return to baseline function.

Pavuluri MN, Birmaher B, Naylor MW. Pediatric bipolar disorder: a review of the past 10 years. J Am Acad Child Adolesc Psychiatry. 2005; 44:846-871.

Funded by the National Institute of Mental Health, the STAR*D project is one of the largest depression treatment studies ever conducted, with more than 4,000 participants. Results from the second phase of the study will be published over the next year. In this issue PT readers will find a preliminary review of data drawn from the first 1,500 enrollees.

It was not too long ago that the management of schizophrenia focused primarily on symptom relief in inpatient and outpatient settings. Over the past two decades, there has been a paradigm shift in our approach in the overall management of schizophrenia, toward preventive and early interventions. What are some of these management techniques, and how well do they work?

Alcohol and substance use disorders take a tremendous toll on society as a whole and also require significant emergency department (ED) resources. Alcohol use and abuse in the United States accounts for over 100,000 deaths each year1 and costs more than $185 billion annually.2 A study of the effects of alcohol-related disease and injuries found that the number of patients who presented with these conditions increased by 18% from 1992 to 2000.3

The use of benzodiazepines in psychiatry and general medicine is fraught with controversy because of the potential for abuse and dependence. In daily practice, clinicians vary widely in their comfort level with prescribing this class of medications, whether for short-term relief of panic or for long-term prophylaxis of generalized anxiety. The use of benzodiazepines in acutely traumatized persons is particularly controversial.

Assessment and management of dual diagnosis--that is, the comorbidity of substance use disorder in persons with mental illness--is a major challenge for clinicians, especially in the emergency department (ED). It is widely accepted, but perhaps less well appreciated in the clinical realm, that substance abuse comorbidity is more the rule than the exception in persons with serious mental illness.

Proper evaluation of patients for alcohol and substance use disorders is usually time-consuming. When done in a busy emergency department (ED), assessment is often rushed, increasing the likelihood of misdiagnosis and, therefore, mismanagement. Because the evaluation is a patient's first step to effective therapy, it should be conducted as efficiently and effectively as possible.

If done properly, the assessment of alcohol and substance use disorders in the emergency department (ED) or psychiatric emergency service can be the first step toward recovery. A proper assessment, however, can be extremely taxing for both the clinician and the patient. This article offers a paradigm for performing a rapid and comprehensive evaluation in the ED of medically stable adults with alcohol and substance use disorders.

Smokers with co-morbid psychiatric and substance use disorders smoke at a much higher rate and seem to have more difficulty quitting than those in the general population. Tobacco treatment that is integrated into mental health settings may lead to greater success than non-integrated treatment. As a result, mental health care providers can play a critical role by careful assessments of smoking, employment of motivational techniques and increasing access to pharmacological and behavioral treatments.

Treatment compliance is a crucial determinant of the outcome of any disease. Poor treatment compliance can worsen the prognosis and significantly increase health care costs. Effective methods to improve treatment compliance for individuals with comorbid mental illness and SUDs will translate in better outcome for the patients and significant health care cost savings.

There has been increasing interest in the overlap between attention-deficit/hyperactivity disorder and substance use disorders. Pharmacotherapeutic treatment of ADHD in children reduces the risk for later SUD in adolescence and adulthood. In contrast, medication treatment of substance-abusing adolescents with ADHD does not reduce the SUD. Diagnostic and treatment strategies for adults with ADHD plus SUDs are discussed.

Published a decade ago, the original National Comorbidity Survey focused largely on anxiety and depression. In an exclusive interview, the survey's designer, Ronald C. Kessler, Ph.D., talks with Psychiatric Times about the just-published replication study, which found that the combined lifetime prevalence of impulse control disorders is higher than that for either mood or substance use disorders.

Seasonal affective disorder affects 1% to 3% of the North American population. Evidence exists for the efficacy of high-intensity bright, fluorescent light. Pharmacological management with SSRIs has shown equivalent efficacy to light therapy. How can these two therapies be combined? What other therapies are available?

By 2020, depression will be the second leading cause of death and disability worldwide. As the importance of depression as a public health problem has been reinforced, research efforts have followed different paths. Read about some of the latest developments.

The incidence of polypharmacy is on the rise, and with the increase comes a greater risk of drug-drug reactions. One survey estimated that patients seeing a psychiatrist may be six times more likely to receive multiple psychotropic medicines compared to patients seen by a primary care physician. This article provides an overview of the extent of polypharmacy, the factors driving the phenomenon and issues clinicians should consider when treating patients who are already taking medicines for other illnesses.

Comorbidity of Dysthymic Disorders in Children and Adolescents by Atilla Turgay, M.D. Many patients with dysthymic disorders also have associated comorbid disorders. A detailed history will provide insight into the comorbidity profile, cross-sectionally and developmentally. Dysthymic disorder should be addressed clinically, as it may cause long-term chronic unhappiness and poor quality of life for the patient.

Evidence-Based Therapies in Child and Adolescent Psychiatry by Jon McClellan, M.D. Given the lack of large, randomized controlled studies of psychiatric medications that involve children and adolescents, it can be difficult to establish evidence-based therapies that are effective for this population. However, there are studies that have shown the effectiveness of various medications, as well as for various psychotherapy techniques.

The Emerging Role of GABAergic Mechanisms in Mood Disorders by Po W. Wang, M.D., and Terence A. Ketter, M.D. Gamma-aminobutyric acid is a major inhibitory neurotransmitter widely distributed in the mammalian central nervous system. Animal models of depression have pointed toward the importance of the GABA system in the pathophysiology of mood disorders. Thus, elucidating the GABAergic effects of benzodiazepines, mood stabilizers, antidepressants, and new anticonvulsants and antipsychotics may expand our understanding of mood disorder pathophysiology and potentially generate new targets for treatment.

Posttraumatic stress disorder is one of the most devastating psychiatric disorders. Research has shown that a combination of multiple genes can lead to conditions for PTSD. Environmental factors, as well as comorbidities, must also be considered when looking for genetic conditions of PTSD.

Although lithium is still a first-line treatment for bipolar disorder, many psychiatrists are reluctant to use it due to blood monitoring requirements. The FDA has approved an in-office blood test that allows lithium blood levels to be obtained in minutes. The test is similar to glucose monitoring devices used for diabetes, and experts on BD are hoping it will increase the use of lithium, which has also been shown to lower the suicide rate among patients with this disorder.

New research into the genetic basis and possible genetic markers for attention-deficit/hyperactivity disorder may open the door for new treatments. There is a clear concordance between twins who have ADHD, as well as siblings. What can genetic mapping tell us about treating ADHD?

Kapur S, Arenovich T, Agid O, et al. Evidence for onset of antipsychotic effects within the first 24 hours of treatment. Am J Psychiatry. 2005;162:939-946.

Impulsive behaviors play an important role in both bipolar and substance abuse disorders. However, results of studies investigating this link are often ambiguous, in part, due to the multidimensional nature of the impulsivity construct and the fact that many studies use a single measurement technique. We describe a model of impulsivity characterized by three components: response initiation, response inhibition and consequence sensitivity. How these components differ from one another in terms of their use, behavioral theory and biological function is discussed, along with measurement techniques.

Proposed changes in the conceptualization of compulsivity and impulsivity in the DSM-V will have important implications in the way clinicians recognize and treat these disabling conditions.

Diagnosis of the two main major eating disorders, anorexia nervosa and bulimia nervosa, can be difficult because of denial of symptomatology by the patients and problems with some of the diagnostic criteria. Although CBT has been the most effective, there are no treatments available that can guarantee a cure for either disorder. Medication is only a helpful adjunct to the treatment of anorexia, while many controlled studies that show antidepressant medications are effective in reducing binge/purge behavior in bulimia.

Autism is a highly prevalent, highly heterogeneous disorder of unknown etiology. Studies to clearly establish the efficacy of various classes of psychoactive drugs are scarce. Nonetheless, available findings do support the efficacy of atypical antipsychotics and antidepressants in treating the core symptoms of repetitive behavior.