Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 4.105
Filtrar
Mais filtros











Intervalo de ano de publicação
1.
Curr Pharm Teach Learn ; 16(5): 377-385, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38609769

RESUMO

BACKGROUND AND PURPOSE: Development of competencies related to care of older adults is necessary in pharmacy education. Skills laboratories as an essential part of the curriculum represent an important setting to teach geriatrics. The purpose of this research was to describe geriatrics cases in skills/simulation activities of an undergraduate pharmacy program. EDUCATIONAL ACTIVITY AND SETTING: A retrospective review of one academic year of skills laboratories from the pharmacy program at the Faculty of Pharmacy of University of Montreal was performed. Sessions including cases aged ≥65 years were selected. Content was extracted for characteristics relating to the patient, health, medications, and care context. A framework including geriatric considerations such as geriatric syndromes, frailty status, and potentially inappropriate medications was developed for data collection. FINDINGS: In total, 210 patient cases were extracted. Older adults (≥ 65 years) were represented in 51 cases (24%), with 8 cases (4%) aged ≥80 years. Geriatric syndromes were documented in 8%, functional status in 10%, and mobility in 12% of the cases. The median number of comorbidities and medications were 4 and 7, respectively. Regarding polypharmacy, only 10 cases had >10 medications, and none had >15 medications. Potentially inappropriate medications were found in 47% (n = 24) of the cases but were addressed in only 14% (n = 7) cases. SUMMARY: This mapping of skills laboratories highlights gaps in geriatrics content. Inclusion of the oldest patients and geriatrics issues were incorporated in a minority of cases and lacked many characteristics essential for geriatrics care.


Assuntos
Geriatria , Internato e Residência , Idoso , Humanos , Laboratórios , Geriatria/educação , Currículo , Competência Clínica
2.
Pediatr Infect Dis J ; 43(5): e160-e163, 2024 May 01.
Artigo em Inglês | MEDLINE | ID: mdl-38635912

RESUMO

We prospectively analyzed clinical and laboratory characteristics associated with cardiac involvement and severe presentation in multisystem inflammatory syndrome in children. Of 146 patients, 66 (45.2%) had cardiac dysfunction and 26 (17.8%) had coronary artery abnormalities. Lower serum albumin levels, absolute lymphocyte and platelet counts, and elevated ferritin, fibrinogen, d-dimer and interleukin-6 levels were associated with cardiac dysfunction. Possible treatment complications were identified.


Assuntos
COVID-19/complicações , Cardiopatias , Criança , Humanos , Interleucina-6 , Laboratórios , Síndrome de Resposta Inflamatória Sistêmica/diagnóstico
3.
PLoS One ; 19(4): e0297668, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38574039

RESUMO

To address the problem of large deformations in weak surrounding rock tunnels under high ground stress, which cause damage to initial support structures, this study proposes a novel type of circumferential pressure-relief joint based on the concept of relieving deformation pressure of the surrounding rock. Key parameters of the pressure-relief joint, such as initial bearing capacity peak, constant bearing capacity, and allowable pressure-relief displacement, were obtained through numerical simulations and laboratory experiments. A comparison was made between the mechanical characteristics of rigid joints and the new type of pressure-relief joint. The applicability of the pressure-relief joint was verified through field tests, monitoring the surrounding rock pressure, internal forces in the steel frames, and the convergence displacement of the support structure. The results show that: (1) In the elastic stage, the stiffness of the new pressure-relief joint is similar to that of rigid joints. In the plastic stage, rigid joints fail directly, whereas the pressure-relief joint can control deformation and effectively release the deformation pressure of the surrounding rock while providing a constant bearing capacity. (2) The right arch foot in the experiment had poor rock quality, leading to high stress in the steel frame and significant horizontal displacement. After the deformation of the pressure-relief joint, the stress in the surrounding rock and steel frame significantly reduced, and the rate of horizontal deformation of the support structure slowed down. (3) The vertical and horizontal final displacements of the pressure-relief joint in the experiment were 61mm and 15mm, respectively, which did not exceed the allowable deformation values. The components of the support structure remained intact, ensuring safety. However, this study has limitations: the design of the new pressure-relief joint only allows for a vertical deformation of 150mm and a horizontal deformation of 50mm, limiting the range of pressure-relief deformation.


Assuntos
, Laboratórios , Humanos , Extremidade Inferior , Margens de Excisão , Aço
4.
Pharmacogenomics ; 25(3): 161-169, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38440825

RESUMO

Introduction: PIK3CA gene mutations occur in approximately 40% of hormone receptor-positive/HER2-negative (HR+/HER2-) metastatic breast cancers (MBCs), electing them to targeted therapy. Testing PIK3CA status is complex due to selection of biological specimen and testing method. Materials & methods: This work investigates real-life experience on PIK3CA testing in HR+/HER2- MBC. Clinical, technical and molecular data on PIK3CA testing were collected from two referral laboratories. Additionally, the results of a nationwide PIK3CA survey involving 116 institutions were assessed. Results: Overall, n = 35 MBCs were PIK3CA-mutated, with mutations mostly occurring in exons 9 (n = 19; 51.4%) and 20 (n = 15; 40.5%). The nationwide survey revealed significant variability across laboratories in terms of sampling methodology, technical assessment and clinical report signing healthcare figures for PIK3CA molecular testing in diagnostic routine practice. Conclusion: This study provides insights into the real-world routine of PIK3CA testing in HR+/HER2- MBC and highlights the need for standardization and networking in predictive pathology.


Assuntos
Neoplasias da Mama , Humanos , Feminino , Neoplasias da Mama/tratamento farmacológico , Receptor ErbB-2/genética , Laboratórios , Patologia Molecular , Mutação/genética , Classe I de Fosfatidilinositol 3-Quinases/genética , Classe I de Fosfatidilinositol 3-Quinases/uso terapêutico , Itália
5.
Tumour Biol ; 46(s1): S9-S14, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38517828

RESUMO

 Clinical laboratories are responsible for performing lung cancer tumor marker testing as part of routine clinical care. It is their responsibility to guarantee that the reported tumor marker results are reliable and meet the necessary quality standards for proper clinical use. During the different laboratory phases, pre-analytical, analytical and post-analytical, specific steps and processes can introduce errors and generate incorrect clinical interpretation. This editorial briefly outlines critical laboratory issues related to lung cancer tumor markers, specific for each of these three laboratory phases.


Assuntos
Laboratórios Clínicos , Neoplasias Pulmonares , Humanos , Neoplasias Pulmonares/diagnóstico , Laboratórios , Biomarcadores Tumorais
6.
Proc Natl Acad Sci U S A ; 121(11): e2309576121, 2024 Mar 12.
Artigo em Inglês | MEDLINE | ID: mdl-38437559

RESUMO

An abundance of laboratory-based experiments has described a vigilance decrement of reducing accuracy to detect targets with time on task, but there are few real-world studies, none of which have previously controlled the environment to control for bias. We describe accuracy in clinical practice for 360 experts who examined >1 million women's mammograms for signs of cancer, whilst controlling for potential biases. The vigilance decrement pattern was not observed. Instead, test accuracy improved over time, through a reduction in false alarms and an increase in speed, with no significant change in sensitivity. The multiple-decision model explains why experts miss targets in low prevalence settings through a change in decision threshold and search quit threshold and propose it should be adapted to explain these observed patterns of accuracy with time on task. What is typically thought of as standard and robust research findings in controlled laboratory settings may not directly apply to real-world environments and instead large, controlled studies in relevant environments are needed.


Assuntos
Neoplasias da Mama , Feminino , Humanos , Neoplasias da Mama/diagnóstico por imagem , Mamografia , Fadiga , Laboratórios , Projetos de Pesquisa
7.
Med Image Anal ; 94: 103155, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38537415

RESUMO

Recognition of mitotic figures in histologic tumor specimens is highly relevant to patient outcome assessment. This task is challenging for algorithms and human experts alike, with deterioration of algorithmic performance under shifts in image representations. Considerable covariate shifts occur when assessment is performed on different tumor types, images are acquired using different digitization devices, or specimens are produced in different laboratories. This observation motivated the inception of the 2022 challenge on MItosis Domain Generalization (MIDOG 2022). The challenge provided annotated histologic tumor images from six different domains and evaluated the algorithmic approaches for mitotic figure detection provided by nine challenge participants on ten independent domains. Ground truth for mitotic figure detection was established in two ways: a three-expert majority vote and an independent, immunohistochemistry-assisted set of labels. This work represents an overview of the challenge tasks, the algorithmic strategies employed by the participants, and potential factors contributing to their success. With an F1 score of 0.764 for the top-performing team, we summarize that domain generalization across various tumor domains is possible with today's deep learning-based recognition pipelines. However, we also found that domain characteristics not present in the training set (feline as new species, spindle cell shape as new morphology and a new scanner) led to small but significant decreases in performance. When assessed against the immunohistochemistry-assisted reference standard, all methods resulted in reduced recall scores, with only minor changes in the order of participants in the ranking.


Assuntos
Laboratórios , Mitose , Humanos , Animais , Gatos , Algoritmos , Processamento de Imagem Assistida por Computador/métodos , Padrões de Referência
8.
Arch Microbiol ; 206(4): 135, 2024 Mar 04.
Artigo em Inglês | MEDLINE | ID: mdl-38436806

RESUMO

Adenovirus pneumonia is a prevalent form of community-acquired pneumonia among children. Research on the epidemiology and economic burden of this disease is crucial for public health, yet comprehensive data remains scarce, making it crucial to highlight on this topic. In this study, the data were extracted from the face sheet of discharge medical records collected from 26 tertiary children's hospitals from January 2016 to December 2021. In total, 1854 children with laboratory-confirmed adenovirus pneumonia were hospitalized, accounting for 0.13% of the total number of hospitalized for pneumonia in the database during the period. In addition, this figure represents a meager 0.027% when compared to the total number of hospitalized children. The male-to-female ratio was 1.78:1. The 1-3-year age group had the highest number of inpatients for adenoviral pneumonia and the largest proportion of the total hospitalizations in the same age group. Overall, winter is the primary season for the prevalence of adenovirus pneumonia, however, in southern China, there are two peak seasons, winter and summer. Although patients with 3/4 adenovirus pneumonia had no significant complications, some patients had complications such as respiratory failure, diarrhea, and myocardial damage. The median length of stay of adenovirus pneumonia was 8 d [interquartile range (IQR) 6-11], and the median hospitalization cost was 1293.83 United States dollars (IQR 811.81-2472.51). These valuable epidemiological insights into adenovirus pneumonia in Chinese children can help direct the development of targeted prevention and control strategies and surveillance measures for HAdV infections in this demographic.


Assuntos
Criança Hospitalizada , Diarreia , Criança , Humanos , Feminino , Masculino , China/epidemiologia , Laboratórios , Adenoviridae
9.
Eur Rev Med Pharmacol Sci ; 28(4): 1554-1561, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38436188

RESUMO

OBJECTIVE: The general approach to malignant biliary obstruction (MBO) is to provide drainage in all patients with jaundice. However, the procedure is often palliative, and its contribution to survival is debated. This study aimed to investigate prognostic factors in patients undergoing percutaneous transhepatic biliary drainage (PTBD) for MBO. PATIENTS AND METHODS: All laboratory values were divided into two groups based on median values: low and high. Chi-square analysis was performed for dichotomous data. The time from the PTBD procedure to the date of death or last follow-up was considered overall survival (OS). Univariate and multivariate analyses were calculated using the Cox regression model. RESULTS: A total of 152 patients were included in the study, of whom 84 (55.3%) were male. The median OS was 71 ± 12.6 days (95% CI: 46.3-95.7). The 1, 3, 6, and 12-month OS rates were 74.3%, 45.2%, 29.2%, and 13%, respectively. In the multivariate analysis, comorbidity (p=0.029), Eastern cooperative oncology group performance status (ECOG PS) (p=0.007), pre-PTBD albumin (p=0.025), post-PTBD aspartate aminotransferase (p=0.025), chemo naive (p<0.001), and post-PTBD chemotherapy (CT) (p=0.01) were found to be independent prognostic factors. CONCLUSIONS: In patients with poor prognosis MBO, the decision for PTBD should be made multidisciplinarily, taking into consideration ECOG PS, comorbidities, albumin levels, and prior CT status.


Assuntos
Albuminas , Colestase , Humanos , Masculino , Feminino , Aspartato Aminotransferases , Drenagem , Laboratórios , Colestase/etiologia , Colestase/cirurgia
10.
BMC Med Res Methodol ; 24(1): 63, 2024 Mar 11.
Artigo em Inglês | MEDLINE | ID: mdl-38468224

RESUMO

BACKGROUND: Laboratory data can provide great value to support research aimed at reducing the incidence, prolonging survival and enhancing outcomes of cancer. Data is characterized by the information it carries and the format it holds. Data captured in Alberta's biomarker laboratory repository is free text, cluttered and rouge. Such data format limits its utility and prohibits broader adoption and research development. Text analysis for information extraction of unstructured data can change this and lead to more complete analyses. Previous work on extracting relevant information from free text, unstructured data employed Natural Language Processing (NLP), Machine Learning (ML), rule-based Information Extraction (IE) methods, or a hybrid combination between them. METHODS: In our study, text analysis was performed on Alberta Precision Laboratories data which consisted of 95,854 entries from the Southern Alberta Dataset (SAD) and 6944 entries from the Northern Alberta Dataset (NAD). The data covers all of Alberta and is completely population-based. Our proposed framework is built around rule-based IE methods. It incorporates topics such as Syntax and Lexical analyses to achieve deterministic extraction of data from biomarker laboratory data (i.e., Epidermal Growth Factor Receptor (EGFR) test results). Lexical analysis compromises of data cleaning and pre-processing, Rich Text Format text conversion into readable plain text format, and normalization and tokenization of text. The framework then passes the text into the Syntax analysis stage which includes the rule-based method of extracting relevant data. Rule-based patterns of the test result are identified, and a Context Free Grammar then generates the rules of information extraction. Finally, the results are linked with the Alberta Cancer Registry to support real-world cancer research studies. RESULTS: Of the original 5512 entries in the SAD dataset and 5017 entries in the NAD dataset which were filtered for EGFR, the framework yielded 5129 and 3388 extracted EGFR test results from the SAD and NAD datasets, respectively. An accuracy of 97.5% was achieved on a random sample of 362 tests. CONCLUSIONS: We presented a text analysis framework to extract specific information from unstructured clinical data. Our proposed framework has shown that it can successfully extract relevant information from EGFR test results.


Assuntos
Carcinoma Pulmonar de Células não Pequenas , Neoplasias Pulmonares , Humanos , Carcinoma Pulmonar de Células não Pequenas/diagnóstico , Carcinoma Pulmonar de Células não Pequenas/genética , Laboratórios , NAD , Neoplasias Pulmonares/diagnóstico , Neoplasias Pulmonares/genética , Mutação , Processamento de Linguagem Natural , Receptores ErbB , Biomarcadores , Registros Eletrônicos de Saúde
11.
BMC Res Notes ; 17(1): 62, 2024 Mar 03.
Artigo em Inglês | MEDLINE | ID: mdl-38433186

RESUMO

OBJECTIVE: Data from DNA genotyping via a 96-SNP panel in a study of 25,015 clinical samples were utilized for quality control and tracking of sample identity in a clinical sequencing network. The study aimed to demonstrate the value of both the precise SNP tracking and the utility of the panel for predicting the sex-by-genotype of the participants, to identify possible sample mix-ups. RESULTS: Precise SNP tracking showed no sample swap errors within the clinical testing laboratories. In contrast, when comparing predicted sex-by-genotype to the provided sex on the test requisition, we identified 110 inconsistencies from 25,015 clinical samples (0.44%), that had occurred during sample collection or accessioning. The genetic sex predictions were confirmed using additional SNP sites in the sequencing data or high-density genotyping arrays. It was determined that discrepancies resulted from clerical errors (49.09%), samples from transgender participants (3.64%) and stem cell or bone marrow transplant patients (7.27%) along with undetermined sample mix-ups (40%) for which sample swaps occurred prior to arrival at genome centers, however the exact cause of the events at the sampling sites resulting in the mix-ups were not able to be determined.


Assuntos
Serviços de Laboratório Clínico , Sequenciamento de Nucleotídeos em Larga Escala , Humanos , Transplante de Medula Óssea , Genótipo , Laboratórios
12.
Cancer Cytopathol ; 132(4): 250-259, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38324231

RESUMO

BACKGROUND: There are numerous methods and procedures described for the preparation of cell blocks (CBs) from cytological samples. The objective of this study was to determine current practices and issues with CBs in European laboratories. METHODS: A link to an online survey, with 11 questions about CB practices, was distributed to cytology laboratories via participants of United Kingdom National External Quality Assurance Service for Cellular Pathology Techniques and national representatives in the European Federation of Cytology Societies. RESULTS: A total of 402 laboratories responded completely (337/402, 84%) or partially (65/402, 16%) to the survey by February 4, 2022. The most common CB practice is embedding cell pellets using plasma and thrombin (23.3%), agar (17.1%), Shandon/Epredia Cytoblock (11.4%), HistoGel (7.9%), and Cellient (3.5%). Other methods such as CytoFoam, albumin, gelatin, Cytomatrix, and collodion bags are rarely used (1.0%, 0.7%, 0.7%, 0.3%, and 0.2%, respectively). CBs are also prepared from naturally occurring clots or tissue fragments (29.5%) and cells scraped from unstained or prestained smears (4.4%). The most frequent issues with the CBs in a daily cytology practice are low cellularity (248/402, 62%) and dispersed cells (89/402, 22%), regardless of the CBs preparation method or how the samples for embedding were selected. CONCLUSIONS: There is a great variability in CB practices in European laboratories with low cellular CBs as the main issue. Additional studies are mandatory to evaluate and improve performance and cellular yield of CBs.


Assuntos
Citodiagnóstico , Laboratórios , Humanos , Citodiagnóstico/métodos , Técnicas Citológicas/métodos , Inquéritos e Questionários , Trombina
13.
Sci Rep ; 14(1): 2927, 2024 02 05.
Artigo em Inglês | MEDLINE | ID: mdl-38316908

RESUMO

Gemigliptin-Rosuvastatin single-pill combination is a promising therapeutic tool in the effective control of hyperglycemia and hypercholesterolemia. Organic sensors with high quantum yields have profoundly significant applications in the pharmaceutical industry, such as routine quality control of marketed formulations. Herein, the fluorescence sensor, 2-Morpholino-4,6-dimethyl nicotinonitrile 3, (λex; 226 nm, λem; 406 nm), was synthesized with a fluorescence quantum yield of 56.86% and fully characterized in our laboratory. This sensor showed high efficiency for the determination of Gemigliptin (GEM) and Rosuvastatin (RSV) traces through their stoichiometric interactions and simultaneously fractionated by selective solvation. The interaction between the stated analytes and sensor 3 was a quenching effect. Various experimental parameters and the turn-off mechanism were addressed. The adopted approach fulfilled the ICH validation criteria and showed linear satisfactory ranges, 0.2-2 and 0.1-1 µg/mL for GEM and RSV, respectively with nano-limits of detection less than 30 ng/mL for both analytes. The synthesized sensor has been successfully applied for GEM and RSV co-assessment in their synthetic polypill with excellent % recoveries of 98.83 ± 0.86 and 100.19 ± 0.64, respectively. No statistically significant difference between the results of the proposed and reported spectrophotometric methods in terms of the F- and t-tests. Ecological and whiteness appraisals of the proposed study were conducted via three novel approaches: the Greenness Index via Spider Diagram, the Analytical Greenness Metric, and the Red-Green-Blue 12 model. The aforementioned metrics proved the superiority of the adopted approach over the previously published one regarding eco-friendliness and sustainability. Our devised fluorimetric turn-off sensing method showed high sensitivity, selectivity, feasibility, and rapidity with minimal cost and environmental burden over other sophisticated techniques, making it reliable in quality control labs.


Assuntos
Piperidonas , Pirimidinas , Controle de Qualidade , Rosuvastatina Cálcica , Espectrometria de Fluorescência , Tecnologia Farmacêutica , Laboratórios , Combinação de Medicamentos , Indústria Farmacêutica/instrumentação , Indústria Farmacêutica/métodos , Indústria Farmacêutica/normas , Composição de Medicamentos/instrumentação , Composição de Medicamentos/métodos , Composição de Medicamentos/normas , Tecnologia Farmacêutica/instrumentação , Tecnologia Farmacêutica/métodos , Tecnologia Farmacêutica/normas , Cor , Espectrometria de Fluorescência/instrumentação , Espectrometria de Fluorescência/métodos , Espectrometria de Fluorescência/normas , Formas de Dosagem
14.
Genet Med ; 26(4): 101054, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38349293

RESUMO

Cytogenomic analyses of acquired clonal chromosomal abnormalities in neoplastic blood, bone marrow, and/or lymph nodes are instrumental in the clinical management of patients with hematologic neoplasms. Cytogenetic analyses assist in the diagnosis of such disorders and can provide important prognostic information. Furthermore, cytogenetic studies can provide crucial information regarding specific genetically defined subtypes of these neoplasms that may have targeted therapies. At time of relapse, cytogenetic analysis can confirm recurrence of the original neoplasm, detect clonal disease evolution, or uncover a new unrelated neoplastic process. This section deals specifically with the technical standards applicable to cytogenomic studies of acquired clonal chromosomal abnormalities in neoplastic blood, bone marrow, and/or lymph nodes. This updated Section E6.1-6.6 supersedes the previous Section E6 in Section E: Clinical Cytogenetics of the American College of Medical Genetics and Genomics Technical Standards for Clinical Genetics Laboratories.


Assuntos
Genética Médica , Neoplasias , Humanos , Medula Óssea/patologia , Laboratórios , Aberrações Cromossômicas , Neoplasias/diagnóstico , Linfonodos , Genômica
15.
Genet Med ; 26(4): 101070, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38376505

RESUMO

Clinical cytogenomic studies of solid tumor samples are critical to the diagnosis, prognostication, and treatment selection for cancer patients. An overview of current cytogenomic techniques for solid tumor analysis is provided, including standards for sample preparation, clinical and technical considerations, and documentation of results. With the evolving technologies and their application in solid tumor analysis, these standards now include sequencing technology and optical genome mapping, in addition to the conventional cytogenomic methods, such as G-banded chromosome analysis, fluorescence in situ hybridization, and chromosomal microarray analysis. This updated Section E6.7-6.12 supersedes the previous Section E6.5-6.8 in Section E: Clinical Cytogenetics of the American College of Medical Genetics and Genomics Standards for Clinical Genetics Laboratories.


Assuntos
Genética Médica , Neoplasias , Humanos , Estados Unidos , Laboratórios , Hibridização in Situ Fluorescente/métodos , Aberrações Cromossômicas , Neoplasias/diagnóstico , Neoplasias/genética , Cromossomos , Genômica
16.
J Clin Virol ; 171: 105655, 2024 04.
Artigo em Inglês | MEDLINE | ID: mdl-38367294

RESUMO

INTRODUCTION: Quality control (QC) is one component of an overarching quality management system (QMS) that aims at assuring laboratory quality and patient safety. QC data must be acceptable prior to reporting patients' results. Traditionally, QC statistics, records, and corrective actions were tracked at the Johns Hopkins Molecular Virology Laboratory using Microsoft Excel. Unity Real-Time (UnityRT), a QMS software (Bio-Rad Laboratories), which captures and analyzes QC data by instrument and control lot per assay, was implemented and its impact on the workflow was evaluated. The clinical utility of real-time QC monitoring using UnityRT is highlighted with a case of subtle QC trending of HIV-1 quantitative control results. METHODS: A comprehensive workflow analysis was performed, with a focus on Epstein Barr Virus (EBV) and BKV quantitative viral load testing (Roche cobas 6800). The number of QC steps and time to complete each step were assessed before and after implementing UnityRT. RESULTS: Our assessment of monthly QC data review revealed a total of 10 steps over 57 min when using Microsoft Excel, versus 6 steps over 11 min when using UnityRT. HIV-1 QC monitoring revealed subtle trending of the low positive control above the mean from November to December 2022, correlating with a change in the reagent kit lot. This associated with a shift in patients' results from positives below the lower limit of quantification to positives between 20 and 100 copies/mL. CONCLUSIONS: UnityRT consolidated QC analyses, monitoring, and tracking corrective actions. UnityRT was associated with significant time savings, which along with the interfaced feature of the QC capture and data analysis, have improved the workflow and reduced the risk of laboratory errors. The HIV-1 case revealed the value of the real-time monitoring of QC.


Assuntos
Infecções por Vírus Epstein-Barr , Humanos , Gerenciamento de Dados , Herpesvirus Humano 4 , Controle de Qualidade , Laboratórios
17.
Int J Cardiol ; 401: 131682, 2024 Apr 15.
Artigo em Inglês | MEDLINE | ID: mdl-38176657

RESUMO

BACKGROUND: Gender-related discrepancies in personal and professional life have been reported among radio-exposed workers. We assessed this topic among cardiac catheterization workers in Italy, with a focus on gender and working position. METHODS: Radio-exposed workers affiliated with the Italian Association of Hospital Cardiologists were invited to answer an online survey, which included 41 questions formatted as multiple choice. RESULTS: Overall, 237 workers responded. The proportion of males was significantly higher than that of females in the population aged >50 years. A greater portion of females than males perceived female-gender discrimination regarding career advancement (77.2% vs 30.9%, p < 0.001) and work compensation (49.1% vs. 17.1%, p < 0.001). There was no difference in perceived gender- discrimination in terms of career advancement opportunities between physician and non-physicians. A larger portion of females than males experienced workplace discrimination (51.8% of females vs. 8.1% of males, p < 0.0001). Non-physician responders made up 38.8% of all respondents and reported a lower yearly radiation exposure than physicians. Non-physicians were more aware of the laws regulating lab access during pregnancy than physicians (93.5% vs. 48.3%, p < 0.0001). A greater percentage of female nurses than physicians communicate without hesitation the pregnancy status to their employers (45.6% vs 20%, p < 0.001). CONCLUSIONS: Gender-based career disparities were perceived among physicians and non-physician staff of cardiology interventional laboratories. Strategies should be implemented to ensure gender equality in career opportunities and to increase knowledge of radioprotection and the laws regulating access to laboratories during pregnancy.


Assuntos
Cardiologistas , Cardiologia , Médicos , Exposição à Radiação , Masculino , Humanos , Feminino , Gravidez , Laboratórios , Inquéritos e Questionários
18.
Neurosurg Focus ; 56(1): E6, 2024 01.
Artigo em Inglês | MEDLINE | ID: mdl-38163339

RESUMO

OBJECTIVE: A comprehensive understanding of microsurgical neuroanatomy, familiarity with the operating room environment, patient positioning in relation to the surgery, and knowledge of surgical approaches is crucial in neurosurgical education. However, challenges such as limited patient exposure, heightened patient safety concerns, a decreased availability of surgical cases during training, and difficulties in accessing cadavers and laboratories have adversely impacted this education. Three-dimensional (3D) models and augmented reality (AR) applications can be utilized to depict the cortical and white matter anatomy of the brain, create virtual models of patient surgical positions, and simulate the operating room and neuroanatomy laboratory environment. Herein, the authors, who used a single application, aimed to demonstrate the creation of 3D models of anatomical cadaver dissections, surgical approaches, patient surgical positions, and operating room and laboratory designs as alternative educational materials for neurosurgical training. METHODS: A 3D modeling application (Scaniverse) was employed to generate 3D models of cadaveric brain specimens and surgical approaches using photogrammetry. It was also used to create virtual representations of the operating room and laboratory environment, as well as the surgical positions of patients, by utilizing light detection and ranging (LiDAR) sensor technology for accurate spatial mapping. These virtual models were then presented in AR for educational purposes. RESULTS: Virtual representations in three dimensions were created to depict cadaver specimens, surgical approaches, patient surgical positions, and the operating room and laboratory environment. These models offer the flexibility of rotation and movement in various planes for improved visualization and understanding. The operating room and laboratory environment were rendered in three dimensions to create a simulation that could be navigated using AR and mixed reality technology. Realistic cadaveric models with intricate details were showcased on internet-based platforms and AR platforms for enhanced visualization and learning. CONCLUSIONS: The utilization of this cost-effective, straightforward, and readily available approach to generate 3D models has the potential to enhance neuroanatomical and neurosurgical education. These digital models can be easily stored and shared via the internet, making them accessible to neurosurgeons worldwide for educational purposes.


Assuntos
Neuroanatomia , Salas Cirúrgicas , Humanos , Neuroanatomia/educação , Laboratórios , Simulação por Computador , Cadáver
19.
Transfusion ; 64(2): 357-366, 2024 02.
Artigo em Inglês | MEDLINE | ID: mdl-38173340

RESUMO

BACKGROUND: Healthcare center-based cell therapy laboratories (HC CTLs) evolved from solely processing hematopoietic stem cells for transplantation to manufacturing various advanced cellular therapies. With increasing interest in cellular therapy applications, off-site manufactured products are becoming more common. HC CTLs play a critical role in supporting these products by shipping out cellular starting material (CSM) for further manufacturing and/or receiving, storing, and distributing final products. The experiences and challenges encountered by a single academic HC CTL in supporting these products are presented. METHODS: All off-site manufacturing protocols supported before 2023 were reviewed. Collected data included protocol characteristics (treatment indication, product type), process logistics (shipping, receiving, storage, thawing, distribution, documentation), and product handling volumes (CSM shipping and final product infusions). RESULTS: Between 2012 and 2022, 15 off-site manufactured cellular therapy early-phase, single- and multicenter clinical trials were supported. Trials were sponsored by academic/research and commercial entities. The number of protocols supported annually increased each year, with few ending. Products included cancer immunotherapies and gene therapies. Autologous CSM was collected and shipped, while autologous and allogeneic final products were received, stored, thawed, and distributed. Process differences among protocols included CSM shipping conditions, laboratory analyses, final product thaw conditions and procedures, number of treatments, and documentation. DISCUSSION: HC CTLs must contend with several challenges in supporting off-site manufacturing protocols. As demand for cellular therapies increases, stakeholders should collaborate from the early phases of clinical trials to streamline processes and standardize procedures to increase value, improve safety, and reduce the burden on HC CTLs.


Assuntos
Células-Tronco Hematopoéticas , Laboratórios , Humanos , Terapia Baseada em Transplante de Células e Tecidos , Imunoterapia , Atenção à Saúde
20.
Viruses ; 16(1)2024 Jan 18.
Artigo em Inglês | MEDLINE | ID: mdl-38257835

RESUMO

More than 100 types of non-polio enteroviruses (NPEVs) are ubiquitous in the human population and cause a variety of symptoms ranging from very mild to meningitis and acute flaccid paralysis (AFP). Much of the information regarding diverse pathogenic properties of NPEVs comes from the surveillance of poliovirus, which also yields NPEV. The analysis of 265 NPEV isolations from 10,433 AFP cases over 24 years of surveillance and more than 2500 NPEV findings in patients without severe neurological lesions suggests that types EV-A71, E13, and E25 were significantly associated with AFP. EV-A71 was also significantly more common among AFP patients who had fever at the onset and residual paralysis compared to all AFP cases. In addition, a significant disparity was noticed between types that were common in humans (CV-A2, CVA9, EV-A71, E9, and E30) or in sewage (CVA7, E3, E7, E11, E12, and E19). Therefore, there is significant evidence of non-polio viruses being implicated in severe neurological lesions, but further multicenter studies using uniform methodology are needed for a definitive conclusion.


Assuntos
Viroses do Sistema Nervoso Central , Enterovirus Humano A , Infecções por Enterovirus , Mielite , Doenças Neuromusculares , Poliomielite , Poliovirus , Humanos , Laboratórios , alfa-Fetoproteínas , Poliomielite/epidemiologia , Infecções por Enterovirus/epidemiologia , Federação Russa , Antígenos Virais
SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA