ABSTRACT
BACKGROUND: Using multi-block methods we combined multimodal neuroimaging metrics of thalamic morphology, thalamic white matter tract diffusion metrics, and cortical thickness to examine changes in behavioural variant frontotemporal dementia. (bvFTD). METHOD: Twenty-three patients with sporadic bvFTD and 24 healthy controls underwent structural and diffusion MRI scans. Clinical severity was assessed using the Clinical Dementia Rating scale and behavioural severity using the Frontal Behaviour Inventory by patient caregivers. Thalamic volumes were manually segmented. Anterior and posterior thalamic radiation fractional anisotropy and mean diffusivity were extracted using Tract-Based Spatial Statistics. Finally, cortical thickness was assessed using Freesurfer. We used shape analyses, diffusion measures, and cortical thickness as features in sparse multi-block partial least squares (PLS) discriminatory analyses to classify participants within bvFTD or healthy control groups. Sparsity was tuned with five-fold cross-validation repeated 10 times. Final model fit was assessed using permutation testing. Additionally, sparse multi-block PLS was used to examine associations between imaging features and measures of dementia severity. RESULTS: Bilateral anterior-dorsal thalamic atrophy, reduction in mean diffusivity of thalamic projections, and frontotemporal cortical thinning, were the main features predicting bvFTD group membership. The model had a sensitivity of 96%, specificity of 68%, and was statistically significant using permutation testing (p = 0.012). For measures of dementia severity, we found similar involvement of regional thalamic and cortical areas as in discrimination analyses, although more extensive thalamo-cortical white matter metric changes. CONCLUSIONS: Using multimodal neuroimaging, we demonstrate combined structural network dysfunction of anterior cortical regions, cortical-thalamic projections, and anterior thalamic regions in sporadic bvFTD.
Subject(s)
Frontotemporal Dementia , White Matter , Humans , Frontotemporal Dementia/genetics , Magnetic Resonance Imaging/methods , Diffusion Magnetic Resonance Imaging/methods , White Matter/diagnostic imaging , NeuroimagingABSTRACT
Diabetic ketoacidosis (DKA) is a commonly encountered diagnosis in the general inpatient and intensive care unit settings. We report a rare case of pembrolizumab-induced DKA in a patient with bladder carcinoma in situ with no prior diagnosis of diabetes. Our case highlights the importance of understanding immune-related adverse events (IRAEs) as immunotherapy is becoming a mainstay of treatment for a variety of diagnoses. The rare side effect of DKA presented in this case is compared to the classical presentation of DKA secondary to type 1 diabetes mellitus (T1DM). We found that pembrolizumab-induced DKA presented with fewer symptoms than T1DM-induced DKA and did not present with serum antibodies that are typically present in T1DM. While management of DKA in the acute setting is unchanged regardless of the precipitating factor, this case demonstrates the importance of identifying the precipitant in order to pursue the appropriate diagnostic workup and long-term management.
ABSTRACT
Interpersonal violence against women and children has increasingly been recognized as a public health priority in humanitarian emergencies. However, because the household is generally considered a private sphere, violence between family members remains neglected. A systematic literature review was conducted to identify predictors of household violence in humanitarian emergencies. PubMed, Web of Science, and Scopus were searched from January 1, 1998, to February 16, 2016. A predictor was defined as any individual, household, or community-level exposure that increases or decreases the risk associated with physical, sexual, or emotional interpersonal violence between two or more people living together. All studies reporting on quantitative research were eligible for inclusion. Results were analyzed using qualitative synthesis. Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines were followed as applicable. The search strategy resulted in 2,587 original records, of which 33 studies met inclusion criteria. Thirty-two of the 33 studies used a cross-sectional design. This was the first known systematic review of predictors of household violence in humanitarian settings. The household framework drew attention to several factors that are associated with violence against both women and children, including conflict exposure, alcohol and drug use, income/economic status, mental health/coping strategies, and limited social support. There is a need for longitudinal research and experimental designs that can better establish temporality between exposures and household violence outcomes, control for confounding, and inform practice. In the interim, programmers and policy makers should try to leverage the predictors identified by this review for integrated violence prevention and response strategies, with the important caveat that ongoing evaluation of such strategies is needed.
Subject(s)
Adult Survivors of Child Abuse/psychology , Intimate Partner Violence/psychology , Adolescent , Adult , Altruism , Child , Cross-Sectional Studies , Family Conflict , Female , Humans , Intimate Partner Violence/statistics & numerical data , Male , Middle Aged , Risk Factors , Young AdultABSTRACT
BACKGROUND: The 2014-2016 Ebola epidemic in West Africa was the largest Ebola epidemic to date. Contact tracing was a core surveillance activity. Challenges with paper-based contact tracing systems include incomplete identification of contacts, delays in communication and response, loss of contact lists, inadequate data collection and transcription errors. The aim of this study was to design and evaluate an electronic system for tracing contacts of Ebola cases in Port Loko District, Sierra Leone, and to compare this with the existing paper-based system. The electronic system featured data capture using a smartphone application, linked to an alert system to notify the District Ebola Response Centre of symptomatic contacts. METHODS: The intervention was a customised three-tier smartphone application developed using Dimagi's CommCare platform known as the Ebola Contact Tracing application (ECT app). Eligible study participants were all 26 Contact Tracing Coordinators (CTCs) and 86 Contact Tracers (CTs) working in the 11 Chiefdoms of Port Loko District during the study period (April-August 2015). Case detection was from 13th April to 17th July 2015. The CTCs and their CTs were provided with smartphones installed with the ECT app which was used to conduct contact tracing activities. Completeness and timeliness of contact tracing using the app were compared with data from April 13th-June 7th 2015, when the standard paper-based system was used. RESULTS: For 25 laboratory-confirmed cases for whom paper-based contact tracing was conducted, data for only 39% of 408 contacts were returned to the District, and data were often incomplete. For 16 cases for whom app-based contact tracing was conducted, 63% of 556 contacts were recorded as having been visited on the app, and the median recorded duration from case confirmation to first contact visit was 70 h. CONCLUSION: There were considerable challenges to conducting high-quality contact tracing in this setting using either the paper-based or the app-based system. However, the study demonstrated that it was possible to implement mobile health (mHealth) in this emergency setting. The app had the benefits of improved data completeness, storage and accuracy, but the challenges of using an app in this setting and epidemic context were substantial.
Subject(s)
Contact Tracing/methods , Hemorrhagic Fever, Ebola/diagnosis , Adolescent , Adult , Africa, Western , Child , Child, Preschool , Disease Outbreaks , Female , Hemorrhagic Fever, Ebola/epidemiology , Humans , Male , Middle Aged , Mobile Applications , Sierra Leone/epidemiology , Telemedicine , Young AdultABSTRACT
OBJECTIVES: Poor and fragmented sleep is a common problem amongst patients hospitalized on medical wards, and is associated with a number of poor outcomes. The present study aimed to objectively measure night-time sleep duration and efficiency in an acute medical ward, and to identify barriers to sleep in this setting. METHODS: Fifty-four consecutive patients on an acute medical ward were observed with wearable actigraphy devices for one night, then administered the Richards-Campbell Sleep Questionnaire and a semi-qualitative questionnaire to determine the major barriers to sleep. RESULTS: Patients had a wide variety of reasons for admission. Mean overnight sleep duration was 4.6 hours, with mean sleep efficiency 63%. The Richards-Campbell Sleep Questionnaire mean was 52/100, indicating poor quality sleep. Major barriers to sleep identified were the need to urinate, pain, noise, and light. CONCLUSIONS: A mixture of environmental and illness-related factors contribute to poor sleep in the hospital setting. Further research looking at ameliorating these factors may improve sleep and recovery in this population.
Subject(s)
Hospital Units , Sleep Initiation and Maintenance Disorders/epidemiology , Sleep , Actigraphy , Aged , Aged, 80 and over , Female , Humans , Male , Middle Aged , Noise/adverse effects , Qualitative Research , Risk Factors , Surveys and Questionnaires , Time FactorsABSTRACT
BACKGROUND: Under the World Health Organization's (WHO) integrated community case management (iCCM) Rapid Access Expansion Program (RAcE), World Vision Niger and Canada supported the Niger Ministry of Public Health to implement iCCM in four health districts in Niger in 2013. Community health workers (CHWs), known as Relais Communautaire (RCom), were deployed in their communities to diagnose and treat children under five years of age presenting with diarrhea, malaria and pneumonia and refer children with severe illness to the higher-level facilities. Two of the districts in southwest Niger piloted RCom using smartphones equipped with an application to support quality case management and provide good timely clinical data. A two-arm cluster randomized trial assessed the impact of use of the mHealth application mainly on quality of care (QoC), but also on motivation, retention and supervision. METHODS: A two-arm cluster randomized trial was conducted from March to October 2016 in Dosso and Doutchi districts. The intervention arm comprised 66 RCom equipped with a smartphone and 64 in the paper-based control arm. Trained expert clinicians observed each RCom assessing sick children presenting to them (264 in intervention group; 256 in control group), re-assessed each child on the same set of parameters, and made further observations regarding perceptions of motivation, retention, supervision, drug management and caregiver satisfaction. The primary outcome was a QoC score composed of diagnostic and treatment variables. Other factors were assessed by questionnaires. RESULTS: On average, the mHealth equipped RCom showed a 3.4% higher QoC score (mean difference of 0.83 points). They were more likely to ask about the main danger signs: convulsions (69.7% vs 50.4%, P < 0.001); incapacity to drink or eat (79.2% vs 59.4%, P < 0.001); vomiting (81.4% vs 69.9%, P < 0.01); and lethargy or unconsciousness (92.4% vs 84.8%, P < 0.01). Specifically, they consistently asked one more screening question. They were also significantly better at examining for swelling feet (40.2% vs 13.3%, P < 0.01) and advising caretakers on diarrhea, drug dosage and administration, and performed (though non-significantly) better when examining cough and breathing rates, referring all conditions, getting children to take prescribed treatments immediately and having caregivers understand treatment continuation. The control group was significantly better at diagnosing fast breathing, bloody diarrhea and severe acute malnutrition; and was somewhat better (non-significant) at treating fever and malaria. With treatment in general of the three diseases, there was no significant difference between the groups. On further inspection, 83% of the intervention group had a QoC score greater than 80% (25 out of 31), whereas only 67% of the control group had comparable performance. With respect to referrals, the intervention group performed better, mostly based on their better assessment of danger signs, with more correct (85% vs 29%) and fewer missed, plus a lower proportion of incorrect referrals, with the reverse being true for the controls (P = 0.012). There were no statistically significant differences in motivation, retention and supervision between the two groups, yet intervention RCom reported double the rate of no supervision in the last three months (31.8% vs 15.6%). CONCLUSIONS: Results suggest that use of the mHealth application led to modestly improved QoC through better assessment of the sick children and better referral decisions by RCom, but not to improvement in the actual treatment of malaria, pneumonia and diarrhea. Considering mHealth's additional costs and logistics, questions around its viability remain. Further implementation could be improved by investing in RCom capacity building, building organization culture and strengthened supervision, all essential areas for improving any CHW program. In this real-world setting, in poor and remote communities in rural Niger, this study did not support the overall value of the mHealth intervention. Much was learned for any future mHealth interventions and scale-up.
Subject(s)
Community Health Workers , Diarrhea/therapy , Malaria/therapy , Pneumonia/therapy , Quality of Health Care/statistics & numerical data , Telemedicine/statistics & numerical data , Adult , Case Management/organization & administration , Child, Preschool , Community Health Services/organization & administration , Community Health Workers/statistics & numerical data , Delivery of Health Care, Integrated , Female , Humans , Infant , Male , Middle Aged , Niger , Program Evaluation , Referral and Consultation , Young AdultABSTRACT
BACKGROUND: Children separated from their caregivers in humanitarian emergencies are vulnerable to multiple risks. However, no field-tested methods exist to capture ongoing changes in the frequency and nature of separation in these contexts over the course of a protracted crisis. METHODS: Recognizing this gap, a mobile phone-based surveillance system was established in a drought-affected district in northern Ethiopia to assess the feasibility of using community focal points to monitor cases of unaccompanied and separated children. A total of 29 focal points were recruited through village elections from 10 villages in the district. Feasibility was assessed directly by measuring the number and quality of messages sent by the focal points each week. The team also evaluated the implementation process and any challenges that arose through observations and key informant interviews with focal points at the conclusion of the project measuring frequency of employing various information gathering techniques, challenges faced, and perceptions of community expectations. Likert scales were used to measure overall satisfaction with the experience of being a focal point, self-assessed difficulty of being a focal point, perceived likelihood of cases captured, and motivation. RESULTS: Over a six-month period, the focal points reported 48 cases of separation. The majority of separated children (64.6%) were 10 years of age or older. Work was a major driver of separation, especially for boys. Age, sex, role in community, and density of community had no statistically significant impact on focal point performance in terms of frequency, accuracy, or consistency of messages. The focal points themselves reported high levels of motivation, but suggested several areas for improvement in the surveillance system. CONCLUSIONS: Without the surveillance system, most of these children would have otherwise been unrecognized. From a technical standpoint the system was successful and resilient in the face of unexpected external challenges. However, focal point participation and accuracy was variable over time and across groups and diminished towards the later months of the study, suggesting that the community-based approach may require additional supports to ensure that the surveillance system is able to accurately capture trends over time.
Subject(s)
Cell Phone Use , Child Welfare , Community Health Workers/organization & administration , Droughts , Text Messaging , Adolescent , Age Factors , Caregivers/psychology , Child , Child Welfare/psychology , Climate Change , Ethiopia , Feasibility Studies , Female , Humans , Male , Sex FactorsABSTRACT
INTRODUCTION: This study explores findings of a population-based approach to measure the prevalence of unaccompanied and separated children (UASC) during the Hurricane Matthew aftermath in Haiti. METHODS: We conducted a cross-sectional survey using two-stage cluster sampling. Participants were asked to provide information on their own household composition, as well as the household composition of their closest neighbour (the Neighborhood Method). The study took place between February and March 2017 in Haiti's Sud Department, a region severely affected by Hurricane Matthew in October 2016. 1044 primary respondents provided information about their own household, and 4165 people in the household of their closet neighbour. The primary outcome measured was the prevalence of UASC in the Sud Department following Hurricane Matthew. Secondary outcomes of interest included the characteristics of these children, including age, sex, reason for separation and current caregiver. RESULTS: Of the 2046 children currently living in the surveyed households, 3.03% (95% CI 2.29% to 3.77%) were reported to have been separated from their normal caregiver during Hurricane Matthew. Among these 62 children, 9 were unaccompanied, and there were slightly more boys than girls (56% vs 44%, p=0.37). Of the 2060 children who lived in surveyed households when the hurricane hit, 1.12% (95% CI 0.67% to 1.57%) had since departed without their caregiver. The prevalence of separation reported for neighbours' households was not significantly different from that in respondents' households (p values between 0.08 and 0.29). CONCLUSIONS: This study is the first known attempt to measure the prevalence of child separation following a natural disaster. Overall, the rates of separation were relatively low. Similarities between primary and secondary reports of child separation via the Neighborhood Method indicate that this may be a viable approach to measuring UASC in certain contexts.
ABSTRACT
Behavioral variant frontotemporal dementia (bvFTD) has been predominantly considered as a frontotemporal cortical disease, with limited direct investigation of frontal-subcortical connections. We aim to characterize the grey and white matter components of frontal-thalamic and frontal-striatal circuits in bvFTD. Twenty-four patients with bvFTD and 24 healthy controls underwent morphological and diffusion imaging. Subcortical structures were manually segmented according to published protocols. Probabilistic pathways were reconstructed separately from the dorsolateral, orbitofrontal and medial prefrontal cortex to the striatum and thalamus. Patients with bvFTD had smaller cortical and subcortical volumes, lower fractional anisotropy, and higher mean diffusivity metrics, which is consistent with disruptions in frontal-striatal-thalamic pathways. Unexpectedly, regional volumes of the striatum and thalamus connected to the medial prefrontal cortex were significantly larger in bvFTD (by 135% in the striatum, p = .032, and 217% in the thalamus, p = .004), despite smaller dorsolateral prefrontal cortex connected regional volumes (by 67% in the striatum, p = .002, and 65% in the thalamus, p = .020), and inconsistent changes in orbitofrontal cortex connected regions. These unanticipated findings may represent compensatory or maladaptive remodeling in bvFTD networks. Comparisons are made to other neuropsychiatric disorders suggesting a common mechanism of changes in frontal-subcortical networks; however, longitudinal studies are necessary to test this hypothesis.
Subject(s)
Corpus Striatum/pathology , Frontotemporal Dementia/pathology , Magnetic Resonance Imaging/methods , Nerve Net/pathology , Prefrontal Cortex/pathology , Thalamus/pathology , Aged , Aged, 80 and over , Corpus Striatum/diagnostic imaging , Diffusion Tensor Imaging/methods , Female , Frontotemporal Dementia/diagnostic imaging , Humans , Male , Middle Aged , Nerve Net/diagnostic imaging , Neural Pathways/diagnostic imaging , Neural Pathways/pathology , Prefrontal Cortex/diagnostic imaging , Thalamus/diagnostic imagingABSTRACT
BACKGROUND: Governments have an ethical imperative to safeguard children in residential care institutions at all times, including in the aftermath of an emergency. Yet, a lack of accurate data about how the magnitude and characteristics of this population may change due to an emergency impedes leaders' ability to formulate responsive policies and services, mobilize resources and foster accountability. The purpose of this study was therefore to determine the feasibility of evaluating movement of children into residential care following an emergency. METHODS: The pilot study took place in Les Cayes commune in the Sud Department of Haiti in April 2017. Six months prior to the pilot, the area was severely affected by Hurricane Matthew, with widespread devastation to property, livestock and livelihoods. Using a two-stage process, the team created a comprehensive list of residential care institutions in Les Cayes. At each facility, the data collectors attempted to administer four separate tools: a group count tool, a record review tool, interviews with staff, and interviews with children 10 years of age and older. RESULTS: Out of 27 known institutions in Les Cayes, 22 institutions consented to participate in the research. Within these 22 institutions, the prevalence of new arrivals to residential care since Hurricane Matthew varied significantly across the four tools, ranging from 0.69% according to the aggregated child interviews to 20.96% according to the aggregated staff interviews. Record availability and quality was very poor and child participation was difficult to arrange due to travel and scheduling constraints. INTERPRETATION: Robust measurement of new arrivals to residential care institutions was not feasible in Haiti following Hurricane Matthew. Moreover, many of the challenges encountered are likely to be encountered in humanitarian emergencies in other settings. Therefore, the research team does not recommend scale-up of these methods in most humanitarian settings. Alternative approaches that incorporate household survey methods to ascertain movement into residential care based on reports from caregivers may be more realistic in places with poor pre-existing governance systems and weak registries and records for residential care institutions.
Subject(s)
Cyclonic Storms , Residential Facilities/statistics & numerical data , Child , Haiti , Humans , Pilot ProjectsABSTRACT
OBJECTIVE: This paper aims to describe the prevalence, assessment and management of affective disorders as well as functional (non-epileptic) seizures in people with epilepsy. METHOD: This paper comprises a selective review of the literature of the common affective manifestations of epilepsy. RESULTS: Affective disorders are the most common psychiatric comorbidity seen in people with epilepsy and assessment and management parallels that of the general population. Additionally, people with epilepsy may experience higher rates of mood instability, irritability and euphoria, classified together as a group, interictal dysphoric disorder and resembling an unstable bipolar Type II disorder. Functional seizures present unique challenges in terms of identification of the disorder and a lack of specific management. CONCLUSIONS: Given their high prevalence, it is important to be able to recognise affective disorders in people with epilepsy. Management principles parallel those in the general population with specific caution exercised regarding the potential interactions between antidepressant medications and antiepileptic drugs. Functional seizures are more complex and require a coordinated approach involving neurologists, psychiatrists, general practitioners, nursing and allied health. There is very limited evidence to guide psychological and behavioural interventions for neurotic disorders in epilepsy and much more research is needed.
Subject(s)
Epilepsy/complications , Mood Disorders/epidemiology , Seizures/epidemiology , Anticonvulsants/therapeutic use , Antidepressive Agents/therapeutic use , Comorbidity , Humans , Mood Disorders/drug therapy , Seizures/drug therapyABSTRACT
OBJECTIVE: Consultation-liaison psychiatry (CLP) services vary in terms of structure, function and responsiveness. It is not known whether evaluation measurements can be meaningfully compared across different CLP services to assess value and efficiency. The aim was to develop and test a common tool for measuring process and outcome measures in CLP. METHODS: A data collection tool was developed using the literature and consultation with CLP clinicians. The tool was used to prospectively gather referral data, response times, health utilisation data and functional outcomes for individuals referred over seven months to three different CLP teams, servicing inner city, district and regional areas. RESULTS: The structure, staffing, liaison attachments and scope of practice varied between the services. The regional CLP service attended seven hospitals and had the highest referral rate and largest inpatient population pool. The three services received referrals for similar reasons and made similar diagnoses. Multimodal management was the norm, and CLP facilitated follow-up arrangements upon discharge. Only the district CLP service saw all emergency referrals within an hour. Age and need for an interpreter did not affect response times. CONCLUSION: Despite local differences in geography, CLP roles, hospital and community mental health service pathways and patient populations, the CLP data collection tool was applicable across sites. Staff resourcing and referral demand are key determinants of CLP response times.
Subject(s)
Psychiatry/organization & administration , Referral and Consultation , Adult , Hospitals, District , Hospitals, General , Humans , Inpatients , Psychiatry/trends , Urban PopulationABSTRACT
OBJECTIVES: To determine the prevalence and clinical correlations of catatonia in patients aged over 65 years who are referred to a consultation-liaison service within a regional area of Australia. Additionally, to examine if the use of standardised screening tools is likely to change the rate of diagnosis of catatonia within the consultation-liaison service. METHODS: One hundred and eight referrals from general hospital wards were assessed using the Bush-Francis Catatonia Screening Instrument (BFCSI) and associated examination; each consented patient was screened for catatonic symptoms. If two or more signs were present on the BFCSI, then severity was rated using the Bush-Francis Catatonia Rating Scale. These clinical characteristics were compared with their socio-demographic and medical data. RESULTS: Prevalence of catatonia was 5.5%. The most common symptoms appeared to be rigidity, posturing and immobility (67% of cases), and were elicited through routine psychiatric examination. CONCLUSIONS: Routine psychiatric history and examination are likely sufficient to elicit catatonic signs in a consultation-liaison setting. Standardised screening examination may be more suited for conducting research or for use when examining for catatonia in psychiatric inpatient settings.
Subject(s)
Catatonia/diagnosis , Catatonia/epidemiology , Mental Health Services , Referral and Consultation , Aged , Aged, 80 and over , Australia/epidemiology , Catatonia/psychology , Female , Humans , Male , Prevalence , Psychiatric Status Rating ScalesABSTRACT
OBJECTIVE: The objective of this article is to set out consensus guidelines for the assessment and management of "suicidal patients" in the emergency department. CONCLUSIONS: Clinicians should be respectful and reassuring. They should review old notes, conduct a full history and examination, and talk to friends, family and any practitioners already involved in the patient's care. Management should be guided, where possible, by the patient's preferences, not by notions of risk. Every negotiated management plan and its rationale should be carefully documented.
Subject(s)
Emergency Service, Hospital/standards , Practice Guidelines as Topic/standards , Suicidal Ideation , Suicide, Attempted/psychology , HumansABSTRACT
INTRODUCTION: Behavioural variant frontotemporal dementia (bvFTD) is associated with changes in dorsal striatal parts of the basal ganglia (caudate nucleus and putamen), related to dysfunction in the cortico-striato-thalamic circuits which help mediate executive and motor functions. We aimed to determine whether the size and shape of striatal structures correlated with diagnosis of bvFTD, and measures of clinical severity, behaviour and cognition. MATERIALS AND METHODS: Magnetic resonance imaging scans from 28 patients with bvFTD and 26 healthy controls were manually traced using image analysis software (ITK-SNAP). The resulting 3-D objects underwent volumetric analysis and shape analysis, through spherical harmonic description with point distribution models (SPHARM-PDM). Correlations with size and shape were sought with clinical measures in the bvTFD group, including Frontal Behavioural Inventory, Clinical Dementia Rating for bvFTD, Color Word Interference, Hayling part B and Brixton tests, and Trail-Making Test. RESULTS: Caudate nuclei and putamina were significantly smaller in the bvFTD group compared to controls (left caudate 16% smaller, partial eta squared 0.173, p=0.003; right caudate 11% smaller, partial eta squared 0.103, p=0.023; left putamen 18% smaller, partial eta squared 0.179, p=0.002; right putamen 12% smaller, partial eta squared 0.081, p=0.045), with global shape deflation in the caudate bilaterally but no localised shape change in putamen. In the bvFTD group, shape deflations on the left, corresponding to afferent connections from dorsolateral prefrontal mediofrontal/anterior cingulate and orbitofrontal cortex, correlated with worsening disease severity. Global shape deflation in the putamen correlated with Frontal Behavioural Inventory scores-higher scoring on negative symptoms was associated with the left putamen, while positive symptoms were associated with the right. Other cognitive tests had poor completion rates. CONCLUSION: Behavioural symptoms and severity of bvFTD are correlated with abnormalities in striatal size and shape. This adds to the promise of imaging the striatum as a biomarker in this disease.
Subject(s)
Behavioral Symptoms , Frontotemporal Dementia/pathology , Frontotemporal Dementia/physiopathology , Adult , Aged , Aged, 80 and over , Atrophy , Corpus Striatum/pathology , Corpus Striatum/physiopathology , Female , Frontotemporal Dementia/diagnosis , Humans , Image Processing, Computer-Assisted , Longitudinal Studies , Magnetic Resonance Imaging , Male , Middle Aged , Severity of Illness IndexABSTRACT
PRIMARY OBJECTIVE: The aim of this literature review was to systematically describe the sequential metabolic changes that occur following concussive injury, as well as identify and characterize the major concepts associated with the neurochemical cascade. RESEARCH DESIGN: Narrative literature review. CONCLUSIONS: Concussive injury initiates a complex cascade of pathophysiological changes that include hyper-acute ionic flux, indiscriminant excitatory neurotransmitter release, acute hyperglycolysis and sub-acute metabolic depression. Additionally, these metabolic changes can subsequently lead to impaired neurotransmission, alternate fuel usage and modifications in synaptic plasticity and protein expression. The combination of these metabolic alterations has been proposed to cause the transient and prolonged neurological deficits that typically characterize concussion. Consequently, understanding the implications of the neurochemical cascade may lead to treatment and return-to-play guidelines that can minimize the chronic effects of concussive injury.
Subject(s)
Athletic Injuries/metabolism , Brain Concussion/metabolism , Calcium/metabolism , Neurotransmitter Agents/metabolism , Athletic Injuries/physiopathology , Biomarkers/metabolism , Brain Concussion/physiopathology , Glycolysis , Humans , Recovery of FunctionABSTRACT
OBJECTIVES: To provide a guide for clinically-based psychiatrist supervisors of research projects for early career researchers. METHODS: This paper will describe a mentoring framework for supervision, for psychiatrist clinical research supervisors and early career researchers. RESULTS: The domains discussed include, across various aspects of a study: the role of the supervisor, project management, and where and when to seek advice. CONCLUSIONS: Supervision of clinical research can be a professionally rewarding experience for psychiatrists, as well as early career researcher supervisees.
Subject(s)
Biomedical Research/methods , Mentors , Psychiatry/education , HumansABSTRACT
OBJECTIVES: This paper, written by the RANZCP Committee for Research, provides an outline for how to survive in research, considering the ingredients likely to contribute to success, the role of supportive structures and the expected challenges. Learning how to survive in research is relevant for both trainees and for Fellows undertaking research at any stage of their career. CONCLUSIONS: Intellectual curiosity, perseverance, frustration tolerance, patience and humility are key for success as a researcher. Selection of the right supervisor is important, as is development and maintenance of a good working supervisor/supervisee relationship. The personal benefits of undertaking research include flexibility in work hours, and improved skills in writing, oral presentations, objectivity, critical thinking, problem solving and project management.
Subject(s)
Adaptation, Psychological , Biomedical Research/methods , Mentors , Research Personnel/psychology , Humans , PsychiatryABSTRACT
BACKGROUND: Although community case management of malaria increases access to life-saving care in isolated settings, it contends with many logistical challenges. Mobile phone health information technology may present an opportunity to address a number of these barriers. METHODS: Using the wireless adaptation of the technology acceptance model, this study assessed availability, ease of use, usefulness, and job relevance of mobile phones by health workers in Saraya, Senegal. RESULTS: This study conducted seven key informant interviews with government health workers, and three focus groups and 76 surveys with lay health workers. Principal findings included that mobile phones are already widely available and used, and that participants valued using phones to address training, stock management, programme reporting, and transportation challenges. CONCLUSIONS: By documenting widespread use of mobile phones and health worker perceptions of their most useful applications, this paper provides a framework for their integration into the community case management of malaria programme in Saraya, Senegal.
Subject(s)
Attitude of Health Personnel , Case Management , Cell Phone , Malaria/therapy , Cell Phone/statistics & numerical data , Female , Focus Groups , Health Personnel , Humans , Male , Perception , Residence Characteristics , Senegal , Surveys and QuestionnairesABSTRACT
OBJECTIVES: Research can seem daunting, especially for trainees and early career researchers. This paper focuses on how to formulate and begin a research project such as the RANZCP Scholarly Project. METHODS: We outline an approach to framing a research question, developing theses and hypotheses, choosing a supervisor and conducting a literature review. CONCLUSIONS: Through systematic planning early career researchers and other clinicians can plan and conduct research suitable for the Scholarly Project or other research activity.