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According to European Guidelines for Legionnaires’ Disease prevention and control, travel-associated Legionnaires’ disease (TALD) cases are managed differently if classified as sporadic or as part of a cluster and more stringent control measures are deployed after clusters are identified. In this study, we propose to modify the current cluster definition: ‘two or more cases of Legionnaires’ disease (LD) who stayed at, or visited, the same commercial accommodation site 2–10 days before onset of illness and whose onset is within the same 2-year period’ with a new cluster definition, i.e. accommodation sites associated with multiple cases regardless of the time elapsed between them. TALD cases occurred in Italy and in the Balearic Islands between 2005 and 2015 were analysed applying the current European Legionnaires’ Disease Surveillance Network (ELDSNet) cluster definition. In a sample of selected accommodation sites with multiple cases, a microbiological study was also conducted. Using the new definition, 63 additional sites (16.4% increase) and 225 additional linked cases (19.5% increase) were identified. Legionella pneumophila sg1 was isolated from 90.7% of the selected accommodation sites. The use of the here proposed TALD cluster definition would warrant a full investigation for each new identified case. This approach should therefore increase the number of sites that will require a risk assessment and, in the presence of an increased risk, the adoption of LD control measures to hopefully prevent additional cases.
In June 2012, the Botswana Ministry of Health and Wellness (MOHW; Gaborone, Botswana) initiated a national Emergency Medical Services (EMS) system in response to significant morbidity and mortality associated with prehospital emergencies. The MOHW requested external expertise to train its developing workforce. Simulation-based training was planned to equip these health care providers with clinical knowledge, procedural skills, and communication techniques.
The objective of this study was to assess the educational needs of the pioneer Botswana MOHW EMS providers based on retrospective EMS logbook review and EMS provider feedback to guide development of a novel educational curriculum.
Data were abstracted from a representative sample of the Gaborone, Botswana MOHW EMS response log from 2013-2014 and were quantified into the five most common call types for both adults and children. Informal focus groups with health professionals and EMS staff, as well as surveys, were used to rank common response call types and self-perceived educational needs.
Based on 1,506 calls, the most common adult response calls were for obstetric emergencies, altered mental status, gastrointestinal/abdominal pain, trauma, gynecological emergencies, and cardiovascular and respiratory distress-related emergencies. The most common pediatric response calls were for respiratory distress, gastrointestinal complaints/dehydration, trauma and musculoskeletal injuries, newborn delivery, seizures, and toxic ingestion/exposure. The EMS providers identified these same chief complaints as priorities for training using the qualitative approach. A locally relevant, simulation-based curriculum for the Botswana MOHW EMS system was developed and implemented based on these data.
: Trauma, respiratory distress, gastrointestinal complaints, and puerperal/perinatal emergencies were common conditions for all age groups. Other age-specific conditions were also identified as educational needs based on epidemiologic data and provider feedback. This needs assessment may be useful when designing locally relevant EMS curricula in other low-income and middle-income countries.GlombNW, KosokoAA, DoughtyCB, RusMC, ShahMI, CoxM, GalapiC, ParkesPS, KumarS, LabaB.Needs Assessment for Simulation Training for Prehospital Providers in Botswana. Prehosp Disaster Med. 2018;33(6):621–626.
Boar taint is a major meat quality defect, which affects about 10% of entire male pigs. It is due to an excessive accumulation of skatole and androstenone in adipose tissue. One of the reasons for accumulation of these compounds is a low rate of their metabolism. Androstenone is metabolised in liver via the enzyme 3-beta-hydroxysteroid dehydrogenase (HSD). This enzyme is well characterised in the testis, where it participates in the synthesis of steroids, while its properties in liver are unknown. The aim of the present study was to characterise and compare properties of HSD from pig liver versus pig testis when metabolising androstenone.
This paper aims at providing an overview of the background, design and initial findings of Psychosis Incident Cohort Outcome Study (PICOS).
PICOS is a large multi-site population-based study on first-episode psychosis (FEP) patients attending public mental health services in the Veneto region (Italy) over a 3-year period. PICOS has a naturalistic longitudinal design and it includes three different modules addressing, respectively, clinical and social variables, genetics and brain imaging. Its primary aims are to characterize FEP patients in terms of clinical, psychological and social presentation, and to investigate the relative weight of clinical, environmental and biological factors (i.e. genetics and brain structure/functioning) in predicting the outcome of FEP.
An in-depth description of the research methodology is given first. Details on recruitment phase and baseline and follow-up evaluations are then provided. Initial findings relating to patients' baseline assessments are also presented. Future planned analyses are outlined.
Both strengths and limitations of PICOS are discussed in the light of issues not addressed in the current literature on FEP. This study aims at making a substantial contribution to research on FEP patients. It is hoped that the research strategies adopted in PICOS will enhance the convergence of methodologies in ongoing and future studies on FEP.
Hybrid nano-devices based on linear protein molecular motors working on micro/nano-engineered surfaces that operate in a “cargo architecture”, i.e. motor functionalized nano-objects running on nano-tracks, offer more opportunities than the inverse “sliding architecture” because it fully uses the information regarding directionality which is encoded in tracks, i.e. actin filaments or microtubules. However, this architecture requires the development of techniques for nanolithography with actin filaments (or microtubules) based on molecular self-assembly on engineered surfaces. The present contribution reports on the progress we have made regarding the building of actin nanostructures that would preserve the inherent information over extended micro-sized areas.
Boar taint is a major meat-quality defect in pigs and is due to excessive accumulation of skatole and androstenone in adipose tissue. The present work investigated the relationship between carcass weight, levels of skatole and androstenone in adipose tissue, and expression of the hepatic androstenone-metabolising enzyme 3β-hydroxysteroid dehydrogenase (3β-HSD), in 22 entire male and 22 entire female crossbred pigs (Large White (40%) × Landrace (40%) × Duroc (20%)). Animals of each gender were divided into two subgroups (11 pigs in each subgroup): (i) conventional weight (carcass weight 59 to 77 kg) and (ii) heavy weight (carcass weight 84 to 95 kg). No relationship between carcass weight and adipose tissue skatole level was found for entire male pigs (r2 = 0.013, P > 0.05). There was a significant negative relationship between carcass weight and expression of the hepatic 3β-HSD protein (r2 = 0.502, P < 0.001) and a significant negative relationship between 3β-HSD protein expression and androstenone level in adipose tissue (r2 = 0.24, P < 0.05) in entire males. No relationship was found between carcass weight and 3β-HSD protein expression in female pigs (r2 = 0.001, P > 0.05). 3β-HSD expression was 59% higher in conventional-weight male pigs when compared with heavy-weight animals (P < 0.05) and 36% higher in heavy-weight females when compared with heavy-weight males (P < 0.05). It is concluded that an increase in slaughter weight of entire commercial crossbred Large White pigs is accompanied by inhibition of expression of the hepatic 3β-HSD protein, which might result in a reduced rate of hepatic androstenone clearance with its subsequent accumulation in adipose tissue. It is suggested that regulation of pig hepatic 3β-HSD expression is under the control of sex hormones.
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