An epidemological study of obsessive compulsive disorder in adolescents from India

ObjectivesThere is scarce data on the prevalence of OCD among adolescents in India. This study reports point prevalence of OCD among school students (age 12–18 years) in the Kerala state of India and examines its association with ADHD, psychological distress, tobacco/alcohol abuse, suicide risk and history of sexual abuse.Method7560 students of 73 schools were self-administered the OCD subsection of Clinical Interview Schedule–Revised, the Composite International Diagnostic Interview (CIDI) for obsessive compulsive symptoms and other relevant instruments to identify OCD and related clinical measures. A diagnosis of ICD-10 OCD was derived through the CIS-R algorithm which required duration of at least 2 weeks and at least a thought/behavior to be resisted along with a cut-off score for severity and impairment.ResultsIn the sample, 50.3% were males with a mean age of 15.2 years (range of 12–18 years). The response rate was 97.3% (7380 valid responses). 0.8% (n = 61) fulfilled criteria for OCD with a male predominance (1.1 vs. 0.5%, p = 0.005). Prevalence was higher among Muslims and increased with age. Taboo thoughts (62.3%) and mental rituals (45.9%) were the commonest symptoms. Those with OCD had significantly higher suicidal thoughts (59 vs. 16.3%, p < 0.01) suicide attempts (24.6 vs. 3.8%, p < 0.01), ADHD (28 vs. 4%, p < 0.001), sexual abuse (24.6 vs. 4.2%, p < 0.01), and tobacco use (23 vs. 6.8%, p = 0.01). They also reported greater psychological distress and poorer academic performance.ConclusionsOCD is common among adolescents in India. Its associations with ADHD, sexual abuse, psychological distress, poorer academic performance and suicidal behavior are additional reasons for it to be recognized and treated early.     

Why do young adolescents bully? Experience in Malaysian schools

IntroductionTo determine sociodemographic and psychological factors associated with bullying behavior among young adolescents in Malaysia.MethodsThis is a cross-sectional study of four hundred ten 12-year-old adolescents from seven randomly sampled schools in the Federal Territory of Kuala Lumpur, Malaysia. Sociodemographic features of the adolescents and their parents, bullying behavior (Malaysian Bullying Questionnaire), ADHD symptoms (Conners Rating Scales), and internalizing and externalizing behavior (Child Behaviour Checklist) were obtained from adolescents, parents and teachers, respectively.ResultsOnly male gender (OR = 7.071, p = 0.01*, CI = 1.642–30.446) was a significant sociodemographic factor among bullies. Predominantly hyperactive (OR = 2.285, p = 0.00*, CI = 1.507–3.467) and inattentive ADHD symptoms reported by teachers (OR = 1.829, p = 0.03*, CI = 1.060–3.154) and parents (OR = 1.709, p = 0.03*, CI = 1.046–2.793) were significant risk factors for bullying behavior while combined symptoms reported by young adolescents (OR = 0.729, p = 0.01*, CI = 0.580–0.915) and teachers (OR = 0.643, p = 0.02*, CI = 0.440–0.938) were protective against bullying behavior despite the influence of conduct behavior (OR = 3.160, p = 0.00*, CI = 1.600–6.241). Internalizing behavior, that is, withdrawn (OR = 0.653, p = 0.04*, CI = 0.436–0.977) and somatic complaints (OR = 0.619, p = 0.01*, CI = 0.430–0.889) significantly protect against bullying behavior.DiscussionsRecognizing factors associated with bullying behavior, in particular factors distinctive to the local population, facilitates in strategizing effective interventions for school bullying among young adolescents in Malaysian schools.     

Epilepsy,poverty and early under-nutrition in rural Ethiopia

PurposeThe incidence of epilepsy in Ethiopia is high compared with industrialised countries, but in most cases the cause of epilepsy is unknown. Childhood malnutrition remains widespread. We performed a case–control study to determine whether epilepsy is associated with poverty and markers of early under-nutrition.MethodsPatients with epilepsy (n = 112), aged 18–45 years, were recruited from epilepsy clinics in and around two towns in Ethiopia. Controls with a similar age and gender distribution (n = 149) were recruited from patients and relatives attending general outpatient clinics. We administered a questionnaire to define the medical and social history of cases and controls, and then performed a series of anthropometric measurements. Unconditional logistic regression was used to estimate multivariate adjusted odds ratios. Multiple linear regression was used to estimate adjusted case–control differences for continuously distributed outcomes.ResultsEpilepsy was associated with illiteracy/low levels of education, odds ratio = 3.0 (95% confidence interval: 1.7–5.6), subsistence farming, odds ratio = 2.6 (1.2–5.6) and markers of poverty including poorer access to sanitation (p = 0.009), greater overcrowding (p = 0.008) and fewer possessions (p < 0.001). Epilepsy was also associated with the father's death during childhood, odds ratio = 2.2 (1.0–4.6). Body mass index was similar in cases and controls, but patients with epilepsy were shorter and lighter with reduced sitting height (p < 0.001), bitrochanteric diameter (p = 0.029) and hip size (p = 0.003). Patients with epilepsy also had lower mid-upper arm circumference (p = 0.011) and lean body mass (p = 0.037).ConclusionEpilepsy in Ethiopia is strongly associated with poor education and markers of poverty. Patients with epilepsy also had evidence of stunting and disproportionate skeletal growth, raising the possibility of a link between early under-nutrition and epilepsy.     

Severity of depressive symptomatology and functional impairment in children and adolescents with temporal lobe epilepsy

ObjectiveDepression is a frequent psychiatric disorder in children with temporal lobe epilepsy (TLE). However, severity of depressive symptoms (DS) is frequently neglected in these patients. This study aimed to determine severity of DS and global functioning by using quantitative measures and to establish their correlation with patients’ demographics and clinical variables.Methods31 children (mean age of 11.8 ± 2.3 years) with TLE were assessed with K-SADS-PL for axis I DSM-IV diagnosis. Severity of DS was measured by Children Depression Rating Scale-Revised – CDRS-R. Global functional impairment was evaluated with Child Global Assessment Scale-CGAS.Results25 patients (56% boys; 12 ± 2.3 years) had current DS, moderate or severe in 84% according to CDRS-R T-Score. Severity of DS was not correlated with age (p = 0.377), gender (p = 0.132), seizure control (p = 0.936), age of onset (p = 0.731), duration of epilepsy (p = 0.602) and the presence of hippocampal sclerosis (p = 0.614). Patients had moderate to major functional impairment measured by CGAS (48.7 ± 8.8), being adolescents more impaired than children (p = 0.03). Impairment of global functioning was not associated with epilepsy variables (p > 0.05).ConclusionChildren with TLE had moderate to severe DS early in the course of their disease with a relevant impact on their global functional activities, especially considering adolescents. Epilepsy severity seems not to be correlated to the severity of DS, contradicting the idea of a cause–consequence relationship. More systematic research is needed to better understand the association of depressive disorders in children and adolescents with TLE.     

Stigmatizing attitudes and social perception towards mental illness among Moroccan medical students

ObjectivesThis study aimed to explore medical students’ attitudes, social perception, and knowledge towards mental illness and identify the associated factors.MethodsA cross-sectional study was conducted in the Medical Faculty of Fez. A representative sample of 420 Moroccan students from the first to the seventh years was selected randomly during the academic year (2018/2019). They completed the Mental Illness Clinicians Attitudes scale (MICA) and a self-questionnaire exploring sociodemographic data, the university course, social perception and knowledge towards mental illness, and the potential consideration of psychiatry as a career.ResultsThe average age of participants was 21.73 years (SD ± 2.60), and 72.4% (n = 304) of respondents were female (M/F gender ratio = 0.39). The participants held stigmatizing attitudes and negative social perceptions towards mental illness, as indicated by the high score of the MICA scale (mean = 57.24; SD ± 9.95). Females (p = 0.02) and married students (p = 0.02) showed significantly more tolerant attitudes. The attitudes of students (p = 0.37) who completed the psychiatry clerkship were slightly more favorable (p = 0.15). There was no significant difference in attitudes according to the level of study (p = 0.06). Students with a lower socioeconomic level tended to be less stigmatizing (p = 0.08). The assessment of knowledge about mental illness among students objectified major gaps. A total of 17.9% (n = 75) considered psychiatry as a career.ConclusionThe attitudes of medical students in this study were stigmatizing, and this should without delay motivate Moroccan research, educational and health authorities to investigate further scientific research in this area to address these attitudes and remedies.     

Risk factors for child mental health problems in Lithuania: The role of parental nationality

BackgroundWe compare the mental health status of children who reside in Lithuania with parents who are either Lithuanian nationals or non-Lithuanian nationals.MethodData were drawn from the School Child Mental Health Europe survey (SCMHE), a cross-sectional survey of school children aged 6–11 years. A total of 1152 Lithuanian children participated, among them 11.7% from a non-Lithuanian family. Child mental health was assessed using the Dominique Interactive (DI) and the parent- and teacher Strength and Difficulties Questionnaire (SDQ). Parental attitudes were evaluated, and socio-demographics were collected.ResultsOverall 26.7% of non-Lithuanian versus 17.2% of Lithuanian children reported having an internalizing disorder (p = 0.01) mainly due to separation anxiety (16.4% versus 10.2%, p = 0.04). Odds ratio (OR) for child-reported internalizing disorders was 1.86 (95% CI = 1.17–2.96) once adjusted for other factors including being a girl, to be younger, parental unemployment and low caring and low autonomy parental attitudes which were associated with greater odds of internalizing disorders. In addition, 31.9% of non-Lithuanian reported suicidal thoughts versus 22.0% of Lithuanian children p = .02); OR = 1.60 (95% CI = 1.04–2.46) once adjusted for single parent, parental unemployment, parental alcohol problems and overreactivity attitude.ConclusionsBeing a non-national minority in Lithuania is a risk factor for child mental health. These findings suggest that further studies are needed to inform local policy-makers on targeted prevention and intervention programs in these children.     

Association between depressive symptoms and fibrosis markers: The Cardiovascular Health Study

ObjectiveFibrosis plays an important role in heart failure (HF) and other diseases that occur more frequently with increasing age. Depression is associated with an increased risk of heart failure and other age-related diseases. This study examined the association between depressive symptoms and fibrosis markers in adults aged 65 years and above.MethodsFibrosis markers and depressive symptoms were assessed in 870 participants (age = 80.9 ± 5.9 yrs, 49% women) using a case-control design based on heart failure status (307 HF patients and 563 age- and sex-matched controls, of whom 284 with CVD risk factors (hypertension, diabetes mellitus, or hypercholesterolemia) and 279 controls without these CVD risk factors). Fibrosis markers were procollagen type I (PIP), type I collagen (CITP), and procollagen type III (PIIINP). Inflammation markers included C-reactive protein, white blood cell counts and fibrinogen. Depression was assessed using the Center for Epidemiological Studies-Depression (CES-D) scale using a previously validated cut-off point for depression (CES-D ? 8). Covariates included demographic and clinical variables.ResultsDepression was associated with higher levels of PIP (median = 411.0, inter-quartile range (IQR) = 324.4–472.7 ng/mL vs. 387.6, IQR = 342.0–512.5 ng/mL, p = 0.006) and CITP (4.99, IQR = 3.53–6.85 vs. 4.53, IQR = 3.26–6.22 μg/L, p = 0.024), but not PIIIINP (4.07, IQR = 2.75–5.54 μg/L vs. 3.58, IQR = 2.71–5.01 μg/L, p = 0.29) compared to individuals without depression. Inflammation markers were also elevated in depressed participants (CRP, p = 0.014; WBC, p = 0.075; fibrinogen, p = 0.074), but these inflammation markers did not account for the relationship between depression and fibrosis markers.ConclusionsDepression is associated with elevated fibrosis markers and may therefore adversely affect heart failure and other age-related diseases in which extra-cellular matrix formation plays a pathophysiological role.     

A shared low-frequency oscillatory rhythm abnormality in resting and sensory gating in schizophrenia

ObjectivesWe hypothesized that an oscillatory abnormality that is consistently observed across various testing paradigms may index an elementary neuronal abnormality marking schizophrenia risk.MethodsCompared neural oscillations in resting EEG and sensory gating conditions in schizophrenia patients (n = 128), their first-degree relatives (n = 80), and controls (n = 110) and calculated phenotypic and/or genetic correlation of the abnormal measure across these conditions.ResultsUsing a uniform, single trial analytical approach, we identified two prominent oscillatory characteristics in schizophrenia: (1) augmented neural oscillatory power was pervasive in medicated schizophrenia patients in most frequencies, most prominent in the theta–alpha range (4–11 Hz) across the two paradigms (all p < 0.007); and (2) their first-degree relatives shared significantly augmented oscillatory energy in theta–alpha frequency in resting (p = 0.002) and insufficient suppression of theta–alpha in sensory gating (p = 0.01) compared with normal controls. Heritability estimates for theta–alpha related measures for resting and gating conditions ranged from 0.44 to 0.49 (p < 0.03). The theta–alpha measures were correlated genetically with each other (RhoG = 0.82 ± 0.43; p < 0.05).ConclusionsAugmented theta–alpha rhythm may be an elementary neurophysiological problem associated with genetic liability of schizophrenia.SignificanceThis finding helps to refine key electrophysiologic biomarkers for genetic and clinical studies of schizophrenia.     

A meta-analysis of cortical inhibition and excitability using transcranial magnetic stimulation in psychiatric disorders

ObjectiveTo evaluate transcranial magnetic stimulation (TMS) measures of inhibition and excitation in obsessive–compulsive disorder (OCD), major depressive disorder (MDD) and schizophrenia (SCZ).MethodsParadigms included: short-interval cortical inhibition (SICI), cortical silent period (CSP), resting motor threshold, intracortical facilitation, and motor evoked potential amplitude. A literature search was performed using PubMed, Ovid Medline, Embase Psychiatry and PsycINFO 1990 through April 2012.ResultsA significant Hedge’s g was found for decreased SICI (g = 0.572, 95% confidence interval [0.179, 0.966], p = 0.004), enhanced intracortical facilitation (g = 0.446, 95% confidence interval [0.042, 0.849], p = 0.030) and decreased CSP (g = ?0.466, 95% confidence interval [?0.881, ?0.052], p = 0.027) within the OCD population. For MDD, significant effect sizes were demonstrated for decreased SICI (g = 0.641, 95% confidence interval [0.384, 0.898], p = 0.000) and shortened CSP (g = ?1.232, 95% confidence interval [?1.530, ?0.933], p = 0.000). In SCZ, a significant Hedge’s g was shown for decreased SICI (g = 0.476, 95% confidence interval [0.331, 0.620], p = 0.000).ConclusionInhibitory deficits are a ubiquitous finding across OCD, MDD, SCZ and enhancement of intracortical facilitation is specific to OCD.SignificanceProvides a clear platform from which diagnostic procedures can be developed.     

Aerobic exercise improves self-reported sleep and quality of life in older adults with insomnia

ObjectiveTo assess the efficacy of moderate aerobic physical activity with sleep hygiene education to improve sleep, mood and quality of life in older adults with chronic insomnia.MethodsSeventeen sedentary adults aged ?55 years with insomnia (mean age 61.6 [SD ± 4.3] years; 16 female) participated in a randomized controlled trial comparing 16 weeks of aerobic physical activity plus sleep hygiene to non-physical activity plus sleep hygiene. Eligibility included primary insomnia for at least 3 months, habitual sleep duration <6.5 h and a Pittsburgh Sleep Quality Index (PSQI) score >5. Outcomes included sleep quality, mood and quality of life questionnaires (PSQI, Epworth Sleepiness Scale [ESS], Short-form 36 [SF-36], Center for Epidemiological Studies Depression Scale [CES-D]).ResultsThe physical activity group improved in sleep quality on the global PSQI (p < .0001), sleep latency (p = .049), sleep duration (p = .04), daytime dysfunction (p = .027), and sleep efficiency (p = .036) PSQI sub-scores compared to the control group. The physical activity group also had reductions in depressive symptoms (p = .044), daytime sleepiness (p = .02) and improvements in vitality (p = .017) compared to baseline scores.ConclusionAerobic physical activity with sleep hygiene education is an effective treatment approach to improve sleep quality, mood and quality of life in older adults with chronic insomnia.     

Prenatal exposure to the organophosphate pesticide chlorpyrifos and childhood tremor

BackgroundThe organophosphate insecticide chlorpyrifos (CPF), widely used for agricultural purposes, has been linked to neurodevelopmental deficits. Possible motor effects at low to moderate levels of exposure have not been evaluated.MethodsPrenatal exposure to CPF was measured in umbilical cord blood in a sample of 263 inner-city minority children, who were followed prospectively. At approximately 11 years of age (mean age 10.9 ± 0.85 years, range = 9.0–13.9), during a neuropsychological assessment, children were asked to draw Archimedes spirals. These were rated by a senior neurologist specializing in movement disorders who was blind to CPF exposure level.ResultsCompared to all other children, those with prenatal CPF exposure in the upper quartile range (n = 43) were more likely to exhibit mild or mild to moderate tremor (≥1) in either arm (p = 0.03), both arms (p = 0.02), the dominant arm (p = 0.01), and the non-dominant arm (p = 0.055). Logistic regression analyses showed significant CPF effects on tremor in both arms, either arm, the dominant arm (p-values <0.05), and the non-dominant arm (p = 0.06), after adjustment for sex, age at testing, ethnicity, and medication.ConclusionPrenatal CPF exposure is associated with tremor in middle childhood, which may be a sign of the insecticide's effects on nervous system function.     

Higher CSF interleukin-6 and CSF interleukin-8 in current depression in older women. Results from a population-based sample

ObjectiveThe literature regarding cerebrospinal fluid (CSF) cytokines in geriatric depression is sparse. The aim of this study was to examine associations between CSF interleukin-6 (IL-6), interleukin-8 (IL-8) and depression in a population-based sample of older women who were followed for 17 years.Methods86 dementia-free women aged 70–84 years who participated in the Prospective Population Study of Women in Gothenburg, Sweden took part in a lumbar puncture in 1992–3. CSF IL-6 and CSF IL-8 were measured. Psychiatric symptoms were rated with the Comprehensive Psychopathological Rating Scale at baseline and at three subsequent face-to-face examinations. Depression (major or minor) was diagnosed in accordance with DSM-IV/DSM-IV research criteria.ResultsAt baseline, women with ongoing major (n = 10) or minor depression (n = 9) had higher levels of CSF IL-6 (p = 0.008) and CSF IL-8 (p = 0.007) compared with those without depression (n = 67). Higher CSF IL-8 was related to higher MADRS score (p = 0.003). New cases of depression were observed in 9 women during follow-ups. No associations between CSF cytokine levels and future depression could be shown in women without depression at baseline.ConclusionHigher levels of CSF IL-6 and IL-8 were associated with current depression in this population-based sample. CSF IL-6 and CSF IL-8 may play a role in depression in late life.     

Sudden unexpected death in epilepsy: Knowledge and experience among U.S. and Canadian neurologists

ImportanceSudden unexpected death in epilepsy (SUDEP) is a common cause of mortality in patients with the disease, but it is unknown how neurologists disclose this risk when counseling patients.ObjectiveThis study aimed at examining SUDEP discussion practices of neurologists in the U.S. and Canada.DesignAn electronic, web-based survey was sent to 17,558 neurologists in the U.S. and Canada. Survey questions included frequency of SUDEP discussion, reasons for discussing/not discussing SUDEP, timing of SUDEP discussions, and perceived patient reactions. We examined factors that influence the frequency of SUDEP discussion and perceived patient response using multivariate logistic regression.ParticipantsThe participants of this study were neurologists who completed postgraduate training and devoted > 5% of their time to patient care.ResultsThere was a response rate of 9.3%; 1200 respondents met eligibility criteria and completed surveys. Only 6.8% of the respondents discussed SUDEP with nearly all (> 90% of the time) of their patients with epilepsy/caregivers, while 11.6% never discussed it. Factors that independently predicted whether SUDEP was discussed nearly all of the time were the following: number of patients with epilepsy seen annually (OR = 2.01, 95% CI = 1.20–3.37, p < 0.01) and if the respondent had a SUDEP case in the past 24 months (OR = 2.27, 95% CI = 1.37–3.66, p < 0.01). A majority of respondents (59.5%) reported that negative reactions were the most common response to a discussion of SUDEP. Having additional epilepsy/neurophysiology training was associated with an increased risk of a perceived negative response (OR = 1.36, 95% CI = 1.02–1.82, p = 0.038), while years in practice (OR = 0.85, 95% CI = 0.77–0.95, p < 0.005) and seeing both adults and children were associated with a decreased likelihood of negative response (OR = 0.15, 95% CI = 0.032–0.74, p = 0.02).ConclusionsU.S. and Canadian neurologists rarely discuss SUDEP with all patients with epilepsy/caregivers though discussions are more likely among neurologists who frequently see patients with epilepsy or had a recent SUDEP in their practice. Perceived negative reactions to SUDEP discussions are common but not universal; more experienced neurologists may be less likely to encounter negative reactions, suggesting that there may be ways to frame the discussion that minimizes patient/caregiver distress.     

The patient-reported outcome of chronic pain after the harvest of anterior iliac bone for anterior cervical arthrodesis

BackgroundAnterior cervical fusion (ACF) with autologous iliac bone graft is a traditional surgical method, but high rate of chronic pain (30%) at the anterior iliac crest presents a considerable hindrance to harvesting iliac bone. The memory of acute pain may become fainter as time progresses, and the incidence of chronic pain may not be as high as previously reported. The primary objective was to show the patient-reported outcome of chronic pain in the anterior iliac crest.MethodsTelephone surveys were conducted for patients with single-level ACF (group-S; n = 72; M:F = 52:20; median age, 53 years), multiple-level ACF (group-M; n = 61; M:F = 40:21; 56 years) using autologous iliac bone, and single-level ACF with a stand-alone cage (group-C; n = 53; M:F = 38:15; 51 years). Logistic regression analysis was performed to determine the risk factors, and the variables included group, age, gender, postoperative period and satisfaction with the surgical outcome.ResultsThere was no chronic pain in 87% of the patients, with no difference among the groups (p = 0.52). During the acute postoperative period, patients remembered no pain in 38/72 (53%) patients of group-S, 25/61 (41%) of group-M and 42/53 (79%) of group-C (p < 0.001). Female gender (p = 0.027; OR, 2.68; 95% CI, 1.12–6.41) was the risk factor for chronic pain.ConclusionsIliac bone harvest may not cause chronic pain in 87% of patients, and the memory of acute pain was faded in 40–50% of patients. Female gender was a risk factor for chronic pain. This information should be considered before harvesting iliac bone.     

Generalised convulsive status epilepticus in Singapore: Clinical outcomes and potential prognostic markers

PurposeTo study the characteristics, outcomes and prognostic markers of convulsive status epilepticus (SE) in Singapore.Methods62 adult admissions to the National University Hospital Singapore from 2002 to 2005 were studied. Ethnicity, history of epilepsy, educational subnormality, neuroimaging, seizure duration, length of stay, Modified Rankin Scale (MRS) pre and post discharge, blood glucose, creatine kinase, potassium, white cell and platelet count were recorded. An MRS ≥ 3 at discharge was defined as a poor outcome. ROCs of significant variables were plotted to identify the best test cut-offs.ResultsMean age was 59.2 years (range 20–94). 75.9% patients had epilepsy. Mean length of stay was 14 days (range 1–75). Univariate analyses revealed age (p = 0.01, OR 1.075, 95% CI 1.030–1.122), length of stay in ICU (p = 0.03, OR 1.299, 95% CI 1.014–1.665) and hospital (p = 0.014, OR 1.203, 95% CI 1.038–1.393) and hyperglycemia (p = 0.045, OR 1.327, 95% CI 1.007–1.750) associated with poor outcome. Test cut-off values for prognostic markers were established: age ≥ 55 years (ROC 0.790, sensitivity 72.3, specificity 85.7, PPV9 4.4%, NPV 48.8%) and serum glucose ≥ 7 mmol/L (ROC 0.737, sensitivity 72.3, specificity 80.0, PPV 93.5%, NPV 36.4%). A discriminant model using these variables was then constructed with probability scores for poor outcome.DiscussionAge, hyperglycemia and length of stay in hospital influenced outcome from convulsive SE in the local population with hyperglycemia being a novel prognostic marker. Some prognostic markers cited in the literature differed, highlighting the possibility that these indicators may vary across population groups.     

Posttraumatic stress symptoms and smoking among World Trade Center disaster responders: A longitudinal investigation

PurposeThe current longitudinal study examined posttraumatic stress disorder (PTSD) symptom severity in relation to smoking abstinence and reduction over time among responders to the World Trade Center (WTC) disaster.MethodParticipants were 763 police and 1881 non-traditional (e.g., construction workers) WTC responders who reported being smokers at an initial examination obtained between July 2002 and July 2011 at the WTC Health Program (WTC-HP). WTC responders were reassessed, on average, 2.5 years later.ResultsFor police WTC responders, higher levels of WTC-related PTSD symptoms at the initial visit were associated with a decreased likelihood of smoking abstinence (OR = 0.98, p = .002) and with decreased smoking reduction (β = −.06, p = .012) at the follow-up visit. WTC-related PTSD symptom severity was not related to likelihood of smoking abstinence or change in number of cigarettes smoked among non-traditional responders. Post hoc analyses suggested that for police, hyperarousal PTSD symptoms were predictive of decreased abstinence likelihood at the follow-up visit (OR = 0.56, p = .006).DiscussionThe present findings suggest that PTSD symptoms may be differentially related to smoking behavior among police and non-traditional WTC responders in a naturalistic, longitudinal investigation. Future work may benefit from exploring further which aspects of PTSD (as compared to each other and to common variance) explain smoking maintenance.     

Physical trauma and risk of multiple sclerosis: A systematic review and meta-analysis of observational studies

BackgroundWe aimed to examine physical trauma as a risk factor for the subsequent diagnosis of MS.MethodsWe searched for observational studies that evaluated the risk for developing MS after physical trauma that occurred in childhood (≤ 20 years) or “premorbid” (> 20 years). We performed a meta-analysis using a random effects model.ResultsWe identified 1362 individual studies, of which 36 case–control studies and 4 cohort studies met the inclusion criteria for the review. In high quality case–control studies, there were statistically significant associations between those sustaining head trauma in childhood (OR = 1.27; 95% CI, 1.12–1.44; p < 0.001), premorbid head trauma (OR = 1.40; 95% CI, 1.08–1.81; p = 0.01), and other traumas during childhood (OR = 2.31; 95% CI, 1.06–5.04; p = 0.04) and the risk of being diagnosed with MS. In lesser quality studies, there was a statistical association between “other traumas” premorbid and spinal injury premorbid. No association was found between spinal injury during childhood, or fractures and burns at any age and the diagnosis of MS. The pooled OR of four cohort studies looking at premorbid head trauma was not statistically significant.ConclusionsThe result of the meta-analyses of high quality case–control studies suggests a statistically significant association between premorbid head trauma and the risk for developing MS. However, cohort studies did not. Future prospective studies that define trauma based on validated instruments, and include frequency of traumas per study participant, are needed.     

Interferon-beta and disability progression in relapsing-remitting multiple sclerosis

ObjectiveTo assess the impact of interferon (IFN)-beta treatment on the progression of unremitting disability in IFN-beta treated and untreated relapsing-remitting (RR) patients with multiple sclerosis (MS) using prospective cohort study.MethodsA cohort of 419 RRMS (236 IFN-beta-treated and 183 untreated) patients was followed for up to 7 years. Cox proportional hazards regression models adjusted for the number of relapses in the last year before first visit was used to assess the differences between the two groups for the three end points: secondary progression (SP), and sustained Expanded Disability Status Scale (EDSS) score 4 and 6. Time from disease onset was used as survival time variable.ResultsThe IFN-beta-treated group showed a highly significant reduction (hazard ratio [HR], 0.34, 95% confidence interval [CI] 0.19–0.61, p < 0.001) in the risk of SP when compared with untreated patients. There were significant differences in favor of the IFN-beta-treated group for the end point EDSS score of 4 (HR = 0.45, 95%CI 0.28–0.73, p = 0.001) and EDSS score of 6 (HR = 0.34, 95%CI 0.16–0.75, p = 0.007).ConclusionThis observational study further supports the notion that IFN-beta could have potential beneficial effect on disease progression in RRMS.     

Olfactory dysfunction in narcolepsy with and without cataplexy

BackgroundNot only patients in whom REM behavior disorder (RBD) is associated with narcolepsy, but also those with narcolepsy alone are reported to have olfactory dysfunction. We investigated if hyposmia is specific to narcolepsy with cataplexy (N–C) or if narcolepsy without cataplexy (NwC) is also associated with olfactory dysfunction.MethodsWe studied olfactory function in two groups of patients: N–C group (n = 66, 26 men and 40 women; mean age 41 ± 18 years), and NwC group (n = 17, 7 men and 10 women; mean age 46 ± 20 years). As a control group we used published normative data for particular smell tests.ResultsBoth patients with N–C and patients suffering from NwC had a significantly higher olfactory threshold (N–C group, p < 0.0001; NwC group, p < 0.0001) and impaired odor identification (N–C group, p < 0.0001; NwC group, p < 0.0001). Our results show for the first time that narcolepsy without cataplexy, where the majority of cases have normal CSF hypocretin levels, is associated with olfactory dysfunction.ConclusionsIt appears that also a partial loss of hypothalamic hypocretin neurons without a clear CSF level decrease can affect smell projection.     

Mental health of caregivers of individuals with disabilities: Relation to Suicidal Ideation

ObjectiveThe mental health of caregivers of individuals with disabilities is frequently neglected. This study investigated mental health status and Suicidal Ideation (SI) among caregivers and examined the predictive factors for SI.MethodCaregivers of individuals with physical or mental disabilities in a tertiary hospital in southern Taiwan were recruited through snowball sampling. They were assessed by self-report questionnaires, consisting of the Taiwanese Depression Questionnaire and a subset of the three-item Chinese Health Questionnaire, to assess probable depression and common mental disorders (CMDs), with cutoff points of 19 and 3, respectively.ResultsAmong 255 caregivers, 32.9% had probable depression, 37.6% had probable CMDs, and 18.8% experienced SI. The level of SI was correlated with primary caregivers (p = 0.015), lack of support from co-caregivers (p = 0.023), caring for younger patients (p = 0.010), caring for patients with mental disability (p = 0.019) or catastrophic diseases (p = 0.005), and caregivers' probable depression (p < 0.001) and CMDs (p < 0.001). Regression analysis predicted the greatest SI among caregivers caring for younger patients (odds ratio [OR] = 0.98, p = 0.048) and for patients with catastrophic diseases (OR = 3.15, p = 0.008), as well as for caregivers with probable depression (OR = 3.90, p = 0.010) or CMDs (OR = 9.40, p < 0.001).ConclusionsWhen examining SI, clinicians should be aware of the mental health of caregivers who are responsible for people with disability. In particular, they should be vigilant regarding caregivers of individuals who are of younger age or have catastrophic diseases and regarding caregivers who exhibit probable depression and CMDs.