Intrapuparial development of Sarcophaga (Liopygia) ruficornis (Diptera: Sarcophagidae), a species of medical-veterinary and forensic importance, under laboratory conditions.

Sarcophaga (=Parasarcophaga) (Liopygia) ruficornis (Fabricius, 1794) is a species of medical-veterinary and forensic importance, as its immatures cause myiasis in humans and animals and colonize carcasses and cadavers. Therefore, investigations into the biology and morphology of this species, with a particular focus on pupae that constitute ≥50% of the developmental period for the immatures, are pertinent. Although there are biological and morphological studies of pupae, the intrapuparial development at different temperatures has not yet been analysed. Therefore, the present study aimed to describe how temperature (22, 27 and 32 ± 1°C) affects the development and morphology of S. (L.) ruficornis pupae at 60 ± 10% relative humidity and a 12-h photoperiod. Ten pupae were collected, euthanized and fixed every 4 h from pupariation until 24 h and every 8 h until the emergence of the first adult. Emergence occurred at 440, 272 and 232 h at 22, 27 and 32°C, with 590, 380 and 330 pupae, respectively. The highest mortality occurred at 32°C. Eight periods were defined, and sex was determined in pharate adult stage; in addition, 40 key morphological characteristics to estimate pupal age were presented. These findings can serve as a basis for studies on the biology and morphology of the pupa of S. (L.) ruficornis, particularly in bionomics, control and forensics, helping researchers and experts.

Sarcophaga (=Parasarcophaga) (Liopygia) ruficornis (Fabricius, 1794) é uma espécie de importância médico­veterinária e forense, pois seus imaturos causam miíase em humanos e animais e colonizam carcaças e cadáveres. Portanto, são pertinentes as investigações sobre a biologia e morfologia dessa espécie, com foco especial nas pupas que constituem ≥50% do período de desenvolvimento dos imaturos. Embora existam estudos biológicos e morfológicos das pupas, o desenvolvimento intrapuparial em diferentes temperaturas ainda não foi analisado. Logo, o presente estudo teve como objetivo descrever como a temperatura (22, 27 e 32 ± 1°C) afeta o desenvolvimento e a morfologia das pupas de S. (L.) ruficornis a 60 ± 10% de umidade relativa e fotoperíodo de 12 horas. Dez pupas foram coletadas, eutanasiadas e fixadas a cada quatro horas desde a pupariação até 24 horas e a cada oito horas até a emergência do primeiro adulto. A emergência ocorreu em 440, 272 e 232 horas a 22, 27 e 32°C, com 590, 380 e 330 pupas, respectivamente. A maior mortalidade ocorreu a 32°C. Foram definidos oito períodos e o sexo foi determinado na fase de adulto farato; além disso, foram apresentadas 40 características morfológicas importantes para estimar a idade das pupas. Essas descobertas podem servir de base para estudos sobre a biologia e a morfologia da pupa de S. (L.) ruficornis, especialmente em bionomia, controle e ciência forense, ajudando pesquisadores e especialistas.

Comparing photography and collection methods to sample litter in seabird nests in a coastal archipelago in the Southwest Atlantic.

Different methods are used to quantify and classify litter in seabird nests, such as the collection method (CM) and the photography method (PM). We compared the CM and PM in 195 brown booby (Sula leucogaster) nests breeding in a coastal archipelago in the state of Rio de Janeiro, Brazil. Photographs recorded 109 litter items in 44 nests (23% of nests), compared to 416 litter items in 82 nests (42%) by the CM. Pairwise comparison showed a significant difference in the variety and amount of litter items per nest, which was greater for CM (2.1 ± 1.1 categories, 2.13 ± 4.8 items) than for PM (1.5 ± 0.8 categories; 0.56 ± 1.6 items), in addition to a significant difference in the overall litter composition. The CM has been the most often used method to date. Although PM underestimates the amount and frequency of litter, we encourage its use when litter is abundant in nests and for threatened species.

Screening and detection of delirium in an adult critical care setting: a best practice implementation project.

AIM: To assess compliance with evidence-based practice regarding screening and detection of delirium in adult patients at the ICU from a university hospital. METHODS: The compliance rates were evaluated using the Joanna Briggs Institute Practical Application of Clinical Evidence System and Getting Research into Practice audit and feedback tool. This strategy was designed in three phases: (1) establishing a team and conducting a baseline audit based on criteria informed by the evidence; (2) reflecting on the results of the baseline audit and designing and implementing strategies to address noncompliance found in the baseline audit informed by the JBI Getting Research into Practice framework; and (3) conducting a follow-up audit to assess the outcomes of the interventions implemented to improve practice and identify future practice issues to be addressed in subsequent audits. The implementation protocol was designed based on the primary barriers and facilitators identified in the baseline audit, allied to a training program and electronic medical records changes. Nursing documentation available in medical records from patients admitted in the ICU was used to assess the baseline and follow-up audit compliance rates. RESULTS: None of the medical records evaluated before the implementation protocol showed compliance with the following audit criteria: a valid and reliable instrument is accessible in the ward environment (0%), the nursing care documentation supports that the Confusion Assessment Method for the Intensive Care Unit instrument is being used (0%) and population assessed for delirium includes all adults over the age of 65, cognitive impairment, dementia, or both, current hip fracture and severe illness (0%). After the evidence-based practice implementation, the follow-up audit revealed up to 100% compliance rates with those criteria, showing that all patients under risk were screened and assessed for delirium. The only exception was the Confusion Assessment Method for the Intensive Care Unit use, whose compliance was observed in 80.95% of the medical records. CONCLUSION: These findings support that baseline and follow-up audits allied to a delirium training program, and changes in the electronic nursing records increase the compliance rates related to the evidence-based practice for screening patients under risk and assessing delirium.

Development and validation of an educational video on nasopharyngeal and oropharyngeal suctioning.

OBJECTIVE: The objective of this study was to develop and validate an educational video on nasopharyngeal and oropharyngeal suctioning. BACKGROUND: The use of videos in nursing education can improve students' skills in performing procedures. DESIGN: This was a methodological study. METHODS: This study was performed in five steps: (1) development of the script for an educational video on nasopharyngeal and oropharyngeal suctioning; (2) content validation of the script by 10 nurse specialists; (3) development of the video; (4) content validation of the video by six nurse specialists; (5) cognitive testing by 51 nursing students regarding the understanding of the items, until the following requirements were met: (1) mean and median scores ≥4, with significant inter-rater agreement, according to the Wilcoxon test; (2) 95% confidence intervals >80 for the proportion of maximum scores, according to the binomial distribution. p values <0.05 were considered significant. RESULTS: After four rounds of evaluation by the specialists, the script was considered validated. The video was considered validated after two rounds of evaluation by specialists and students (p < 0.001). The video addressed the following topics: concept, indications, contraindications, required materials, appropriate technique, nursing notes and complications. CONCLUSIONS: The video script was created by using the Storyboard technique and validated by specialist nurses using the Delphi technique. Nursing students watched, analyzed and understood the video which may support them to improve their technical skills of this procedure.

International high-risk clones of Klebsiella pneumoniae KPC-2/CC258 and Escherichia coli CTX-M-15/CC10 in urban lake waters.

The emergence of high-risk clones of multidrug-resistant (MDR) bacteria in aquatic environments has generated an important public health problem, creating an urgent need to strengthen surveillance. This study reports the occurrence of clinically significant MDR Enterobacteriaceae and non-fermentative bacteria carrying carbapenemases (KPC-2), extended-spectrum ß-lactamases (CTX-M) and plasmid-mediated quinolone resistance (PMQR) genes in urban lakes and reservoirs, in Southeastern Brazil. In this regard, the detection of hospital-associated lineages of KPC-2-producing Klebsiella pneumoniae belonging to the international clonal complex CC258 (ST11) and CTX-M-15-producing Escherichia coli belonging to the international CC10 (ST617), in an urban lake, is reported for the first time. Whole genome sequencing (WGS) analysis of KPC-2-producing K. pneumoniae ST11 revealed that blaKPC-2 gene was carried by an IncN plasmid on a Tn4401b element. This study support that aquatic environments with public access can act as reservoirs of clinically important MDR bacteria, constituting a potential risk to human and animal health. On the other hand, the detection of high-risk clones highlights the extra-hospital spread of clinically significant bacteria into urban aquatic environments.

Standardization and determination of the total internal conversion coefficient of In-111.

The standardization of (111)In by means of a 4πß-γ coincidence system, composed of a proportional counter in 4π geometry, coupled to a 20% relative efficiency HPGe crystal, for measuring gamma-rays is presented. The data acquisition was performed by means of the software coincidence system (SCS) and the activity was determined by the extrapolation technique. Two gamma-ray windows were selected: at 171 keV and 245 keV total absorption peaks, allowing the determination of the total internal conversion coefficient for these two gamma transitions. The results were compared with those available in the literature.

Determination of gamma-ray emission probabilities per decay of Ga-68.

The measurement of the gamma-ray emission probabilities per decay of 1077 keV of (68)Ga is presented. The standardization system consists of a gas-flow proportional counter in 4π geometry coupled to an HPGe detector for the gamma-ray detection. The gamma-ray emission probabilities per decay were measured in an HPGe gamma-ray spectrometer. The weaker gamma-ray intensities of (68)Ga were measured in a relative way, making use of an uncalibrated ampoule of (68)Ge-(68)Ga in radioactive equilibrium, and considering the absolute result from the 1077 keV gamma-ray.