Psychiatric Symptoms and Marfan: Part of the Syndrome or Incidental to it?

Summary: The authors report the case of a patient who consulted primarily for depression and anxiety and was secondly diagnosed with Marfan syndrome. The question of whether psychiatric symptoms are part of the Marfan syndrome or merely incidental to it is raised.     

Should Clinicians Split or Lump Psychiatric Symptoms? The Structure of Psychopathology in Two Large Pediatric Clinical Samples from England and Norway

It has been suggested that the structure of psychiatric phenomena can be reduced to a few symptom dimensions. These proposals, mainly based on epidemiological samples, may not apply to clinical populations. We tested the structure of psychiatric symptoms across two pediatric clinical samples from England (N?=?8434) and Norway (N?=?5866). Confirmatory factor analyses of the parent-reported Strengths and Difficulties Questionnaire (SDQ) evaluated the relative fit of several models, including a first-order model, a second-order model with the widely-established broad symptom dimensions of internalizing-externalizing, and two bi-factor models capturing a general psychopathology factor. Predictive value of the SDQ subscales for psychiatric disorders was examined. A first-order five-factor solution better fit the data. The expected SDQ subscale(s) related best to the corresponding psychiatric diagnosis. In pediatric clinical samples, a granular approach to psychiatric symptoms where several dimensions are considered seems to fit the data better than models based on lumping symptoms into internalizing/externalizing dimensions.     

Use-Dependent Exaggeration of Brain Injury: Is Glutamate Involved?

Extreme overreliance on the impaired forelimb following unilateral lesions of the forelimb representation area of the rat sensorimotor cortex (FL-SMC) leads to exaggeration of the initial cortical injury. Glutamate has repeatedly been implicated in the secondary processes leading to neuronal death following traumatic insult, chiefly because of the neuroprotective properties of excitatory amino acid antagonists in a variety of animal models of brain injury. The present study investigated the possibility that NMDA receptor-mediated processes are involved in use-dependent exaggeration of neuronal injury. Rats were fitted with one-sleeved casts that immobilized the intact forelimb for the first 7 days following FL-SMC lesion, a procedure previously shown to result in use-dependent exaggeration of injury and more severe and persistent limb-use deficits. In the present investigation, administration of MK-801 (1 mg/kg ip once daily on alternate days) during the casting period spared neural tissue surrounding the lesion and enhanced functional recovery of the impaired forelimb. These results suggest a role for NMDA receptor-mediated processes in use-dependent exaggeration of injury.     

“A Dignified and Caring Mother:” 1 An Examination of Munchausen Syndrome by Proxy Case Law∗

Beginning with 1990, this article identifies and comments on fifteen years of legal case law across the five national common law jurisdictions of Australia, Canada, New Zealand, the United Kingdom and the United States, addressing legal responses to Munchausen Syndrome by Proxy (MSBP). MSBP is a syndrome in which perpetrators either harm a child in their care or achieve harm through their insistence on medical tests and treatments for non-existent, fabricated or exaggerated conditions. Abuse may go on for some time, and sometimes this abuse results in the child's death. The discussion situates this body of reported cases, identified through keyword searches in the LexisNexis databases, within current academic and professional literatures. Primarily, this review finds that the open-textured attributes of syndrome evidence, coupled with the idealisation of mothering and the concomitant social revulsion and retributive impulse towards “bad mothers”, invites professionals to infuse alleged cases of MSBP with morality, gender attributions, and social judgements. While identifying and preventing child abuse is an important goal, the questions of conscious knowledge and volition in a psychiatrically disordered perpetrator and the nexus of professional expertise in attributing liability and assigning punishment and treatment options deserve a more nuanced consideration.     

TD: The case of Diogenes Syndrome—deficit or denial?

ABSTRACT

Diogenes Syndrome (DS) is characterised by extreme self-neglect, domestic squalor, hoarding, social withdrawal, and lack of concern and shame for the individual’s residential situation. This paper describes TD who was unable to identify emotional expressions of disgust and was borderline-impaired for facial recognition associated with perceptual difficulties. Problems interpreting expressions of disgust were interesting as TD was living in squalor, neglecting himself, and lacked concern for his circumstances. This led us to question whether the basis of his difficulties were neuropsychological or psychological in nature, which became the objective of this study, with a focus on shame and disgust. TD completed neuropsychological and psychological assessments alongside an experimental task investigating processing of disgust and his living situation. Results highlighted executive dysfunction but understanding of living with the consequences of squalor was spared as was emotion based decision-making. Assessment indicated difficulties with olfactory processing and aspects of interoceptive awareness. TD showed poor awareness of his living conditions and a lack of shame. Disgust sensitivity was unimpaired. It is unclear if TD’s difficulties were caused by psychological or neuropsychological impairments, although both likely play a part. Further research is required to understand processes underpinning DS, particularly disgust and shame.     

DSM-III: A Step Forward or Back in Terms of the Classification of Child Psychiatric Disorders?

This paper appraises DSM-III as a classification of child psychiatric disorders. Its successes include the use of a phenomenological approach, its recognition that disorders rather than individuals should be classified, the introduction of a multiaxial framework, the provision of a more comprehensive listing of child psychiatric disorders, improved diagnostic criteria, the addition of codings for psychosocial stressors, and the recognition that disorders may persist into adult life. Criticisms of DSM-III as a source of discriminatory labeling are rejected. However, criticisms are made of the structure of the multiaxial system, the decision not to put mental retardation on a separate axis, the principles employed on the psychosocial axes, the proliferation of unvalidated diagnostic categories, and the extension of research diagnostic criteria to categories which lack the empirical findings which might justify them. Nevertheless, DSM-III constitutes a marked improvement over DSM-II and represents a landmark in the development of psychiatric classification systems.     

Psychiatric diagnosis by telephone: is it an opportunity?

Background

For reasons of feasibility, diagnostic telephone interviews are frequently used in research of psychiatric morbidity. However, it is unknown whether diagnostic telephone interviews are as valid as diagnostic face-to-face interviews.

Research question

Are diagnostic telephone interviews for psychiatric disorders as valid as diagnostic face-to-face interviews?

Method

A systematic review of original studies in PubMed, PsychINFO and Embase was carried out. We included studies considering (1) the sensitivity and specificity of diagnostic telephone interviews using face-to-face interviews as a golden standard and (2) the agreement between diagnostic telephone and diagnostic face-to-face interviews. Eligible were studies in the general population, in patients at risk for psychiatric disorders and in psychiatric outpatients. We assessed risk of bias with the quality assessment of diagnostic accuracy studies (QUADAS) instrument.

Results

We included sixteen studies. The included studies were generally small with thirteen studies reporting about <100 participants. Specificity was generally high in populations with low or intermediate prevalence of psychiatric morbidity. Sensitivity was low in these populations, but slightly higher in samples with more psychiatric disorders. Studies with a higher risk of psychiatric disorders generally reported higher percentages of agreement and higher kappa values. Considering the QUADAS-2 criteria, most studies had a medium or high risk of bias, especially concerning patient selection and unbiased judgement of the test. Of the six studies with a medium or low risk of bias, the three studies assessing current anxiety and depressive disorders yielded kappa values between 0.69 and 0.84, indicating good agreement.

Discussion

There is insufficient evidence that diagnostic telephone interviews for the diagnosis of psychiatric disorders are valid, although results for depression and anxiety disorders seem promising.     

Willis–Ekbom Disease or Restless Legs Syndrome?

BackgroundRestless Legs Syndrome (RLS) or Willis–Ekbom Disease (WED) is highly prevalent, but patients and healthcare providers alike know little about it. Furthermore, controversy persists as to the best way of diagnosing this nosological entity.ObjectiveTo verify whether the term used to refer to this disease entity (Restless Legs Syndrome or Willis–Ekbom Disease) affects the prevalence of self-diagnosed RLS/WED in a sample of newly graduated physicians.MethodsNewly graduated physicians were asked to self-evaluate for the presence of RLS/WED. Briefly, participants were allocated randomly across two groups. One was asked to self-assess for RLS, while the other was asked to self-assess for WED. The evaluation form given to one group asked ‘Do you have Restless Legs Syndrome?’ whereas the form given to participants in the other group asked ‘Do you have Willis–Ekbom Disease?’. Both forms also contained the four criteria for diagnosing RLS proposed by the International Restless Legs Syndrome Study Group (IRLSSG) and instructions for self-diagnosis according to these criteria.ResultsThe study sample comprised 1413 newly graduated physicians. Of the 708 participants who were given the form that used the term RLS, 87 (12.28%) diagnosed themselves with the condition. Conversely, of 705 physicians given the form with the term WED, 13 (1.84%) diagnosed themselves with the condition (p <0.0001).ConclusionA greater proportion of newly graduated physicians diagnosed themselves with RLS/WED when presented with the term Restless Legs Syndrome than when presented with the term Willis–Ekbom Disease. This suggests that the term Restless Legs Syndrome may not be the most appropriate term to denote this nosological entity.     

A Note on the Delineation of Nervous Shock: Normal Reaction or Recognised Psychiatric Illness?

The meaning of “nervous shock”, both legal and medical, has changed over the years. Recent interpretations have blurred the margins and rendered less certain what once may have appeared to have been clear cut definitions. This brief note focuses on changing psychiatric nosology and legal judgements in attempting to clarify this challenging area of medico-legal practice.     

High prevalence of Dopaminergic Premonitory Symptoms in migraine patients with Restless Legs Syndrome: a pathogenetic link?

In order to assess the prevalence of Dopaminergic Premonitory Symptoms (DPS) in migraine patients with Restless Legs Syndrome (RLS), we chose migraine patients from a large Italian clinical headache population previously investigated for an association between primary headaches and RLS. We evaluated a total sample of 164 patients with migraine, in particular 114 with migraine without aura (MO), 10 with migraine with aura (MA) and 40 with MO and MA in various combinations between them or with episodic tension-type headache (ETTH), defined as a “mixed group”. About 20% of all migraine patients referred at least one of the following DPS: yawning, nausea, somnolence or food craving, confirming data already indicated in the literature. Among migraine patients with RLS (25.6%), DPS were referred from about half of the patients (47.6%) compared to those without RLS (47.6% vs. 13.1%; p<0.001). Based on migraine subtype, patients with MO referred DPS (26.3%) more frequently compared to the MA group and “mixed group” (12.0%, p<0.05), particularly in the presence of RLS (63.0% vs. 20.0%, p<0.01). No statistical differences were found between clinical and demographic data of the subgroups or related to medical conditions investigated (anxiety, depression, sleep disorders, body mass index). It is interesting that the chances of having RLS in migraine patients were more than 5 times higher in the presence of DPS. These results could support a hypothetical dopaminergic imbalance in RLS and migraine, as the dopamine is involved in the pathogenesis of both disorders and it is responsible for the migraine DPS reported above.     

Are There Racial Differences in the Experience of Harmful or Traumatic Events within Psychiatric Settings?

The current study examined racial differences in the reported frequency and distress associated with potentially harmful or traumatic experiences occurring within psychiatric settings. One hundred and forty-two (109 African-American; 32 Caucasian) randomly selected adult consumers recruited from a community psychosocial day program completed a battery of self-report measures to assess experiences in the psychiatric setting, lifetime trauma exposure, PTSD severity, and were the subject of a chart review. A subset of participants (20%) also completed a qualitative interview exploring their perceptions of events occurring in psychiatric settings. Few racial differences were noted in the reported frequency or distress associated with particular events in the psychiatric setting. However, we found differential patterns of association between adverse psychiatric events and lifetime trauma history, and racial differences in diagnosis and medications prescribed by the mental health center. These racial differences merit further attention to better understand their meaning and to improve mental health services provided to both African-Americans and Caucasian public-sector psychiatric patients.