911 research outputs found

    Histological Examination in Obtaining a Diagnosis in Patients with Lymphadenopathy in Lima, Peru.

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    The differential diagnosis for lymphadenopathy is wide and clinical presentations overlap, making obtaining an accurate diagnosis challenging. We sought to characterize the clinical and radiological characteristics, histological findings, and diagnoses for a cohort of patients with lymphadenopathy of unknown etiology. 121 Peruvian adults with lymphadenopathy underwent lymph node biopsy for microbiological and histopathological evaluation. Mean patient age was 41 years (Interquartile Range 26-52), 56% were males, and 39% were HIV positive. Patients reported fever (31%), weight loss (23%), and headache (22%); HIV infection was associated with fever (P < 0.05) and gastrointestinal symptoms (P < 0.05). Abnormalities were reported in 40% of chest X-rays (N = 101). Physicians suspected TB in 92 patients (76%), lymphoma in 19 patients (16%), and other malignancy in seven patients (5.8%). Histological diagnoses (N = 117) included tuberculosis (34%), hyperplasia (27%), lymphoma (13%), and nonlymphoma malignancy (14%). Hyperplasia was more common (P < 0.001) and lymphoma less common (P = 0.005) among HIV-positive than HIV-negative patients. There was a trend toward reduced frequency of caseous necrosis in samples from HIV-positive than HIV-negative TB patients (67 versus 93%, P = 0.055). The spectrum of diagnoses was broad, and clinical and radiological features correlated poorly with diagnosis. On the basis of clinical features, physicians over-diagnosed TB, and under-diagnosed malignancy. Although this may not be inappropriate in resource-limited settings where TB is the most frequent easily treatable cause of lymphadenopathy, diagnostic delays can be detrimental to patients with malignancy. It is important that patients with lymphadenopathy undergo a full diagnostic work-up including sampling for histological evaluation to obtain an accurate diagnosis

    Alterações de líquido amniótico e suas complicações na vitalidade fetal

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    O mecônio é uma substância viscosa e esverdeada que constitui as primeiras evacuações do recém-nascido. Este artigo tem como objetivo fornecer uma revisão abrangente sobre as características do mecônio, sua composição, fatores de risco associados à aspiração de mecônio e implicações clínicas relacionadas à síndrome de aspiração de mecônio (SAM). Para realizar esta revisão, foram consultadas bases de dados científicas, como PubMed e Scopus, utilizando termos relacionados ao mecônio e sua associação com a SAM

    Reuma.pt/vasculitis - the Portuguese vasculitis registry

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    BACKGROUND: The vasculitides are a group of rare diseases with different manifestations and outcomes. New therapeutic options have led to the need for long-term registries. The Rheumatic Diseases Portuguese Register, Reuma.pt, is a web-based electronic clinical record, created in 2008, which currently includes specific modules for 12 diseases and > 20,000 patients registered from 79 rheumatology centres. On October 2014, a dedicated module for vasculitis was created as part of the European Vasculitis Society collaborative network, enabling prospective collection and central storage of encrypted data from patients with this condition. All Portuguese rheumatology centres were invited to participate. Data regarding demographics, diagnosis, classification criteria, assessment tools, and treatment were collected. We aim to describe the structure of Reuma.pt/vasculitis and characterize the patients registered since its development. RESULTS: A total of 687 patients, with 1945 visits, from 13 centres were registered; mean age was 53.4 ± 19.3 years at last visit and 68.7% were females. The most common diagnoses were Behçet's disease (BD) (42.5%) and giant cell arteritis (GCA) (17.8%). Patients with BD met the International Study Group criteria and the International Criteria for BD in 85.3 and 97.2% of cases, respectively. Within the most common small- and medium-vessel vasculitides registered, median [interquartile range] Birmingham Vasculitis Activity Score (BVAS) at first visit was highest in patients with ANCA-associated vasculitis (AAV) (17.0 [12.0]); there were no differences in the proportion of patients with AAV or polyarteritis nodosa who relapsed (BVAS≥1) or had a major relapse (≥1 major BVAS item) during prospective assessment (p = 1.00, p = 0.479). Biologic treatment was prescribed in 0.8% of patients with GCA, 26.7% of patients with AAV, and 7.6% of patients with BD. There were 34 (4.9%) deaths reported. CONCLUSIONS: Reuma.pt/vasculitis is a bespoke web-based registry adapted for routine care of patients with this form of rare and complex diseases, allowing an efficient data-repository at a national level with the potential to link with other international databases. It facilitates research, trials recruitment, service planning and benchmarking.publishersversionpublishe

    Ametropias em pacientes diagnosticados com infecção congênita por uma das TORCH

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    &nbsp;Existem doenças que cursam com alterações oftalmológicas devidos doenças de transmissão vertical. Elas são conhecidas pelo acrônimo TORCH (Toxoplasmose, Outros, Rubéola, Citomegalovírus e Herpes) e seu rastreio está indicado em todas as gestantes que acompanham o pré-natal regularmente, pelo risco de infecção e, subsequentemente, ação teratogênica que impacta no crescimento fetal. Dessa forma, a detecção precoce das TORCH é de extrema relevância na população pediátrica, pois quando há o rastreamento no início da doença, é possível traçar medidas de intervenção que possibilitam acomodação da visão e maior qualidade de vida.&nbsp; Dado o exposto, o objetivo do presente estudo é descrever, por meio de revisão de literatura, as alterações refracionais decorrentes de infecção congênita por uma das TORCH (toxoplasmose. rubéola, citomegalovírus, herpes, zika e sífilis)

    Pervasive gaps in Amazonian ecological research

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    Biodiversity loss is one of the main challenges of our time,1,2 and attempts to address it require a clear un derstanding of how ecological communities respond to environmental change across time and space.3,4 While the increasing availability of global databases on ecological communities has advanced our knowledge of biodiversity sensitivity to environmental changes,5–7 vast areas of the tropics remain understudied.8–11 In the American tropics, Amazonia stands out as the world’s most diverse rainforest and the primary source of Neotropical biodiversity,12 but it remains among the least known forests in America and is often underrepre sented in biodiversity databases.13–15 To worsen this situation, human-induced modifications16,17 may elim inate pieces of the Amazon’s biodiversity puzzle before we can use them to understand how ecological com munities are responding. To increase generalization and applicability of biodiversity knowledge,18,19 it is thus crucial to reduce biases in ecological research, particularly in regions projected to face the most pronounced environmental changes. We integrate ecological community metadata of 7,694 sampling sites for multiple or ganism groups in a machine learning model framework to map the research probability across the Brazilian Amazonia, while identifying the region’s vulnerability to environmental change. 15%–18% of the most ne glected areas in ecological research are expected to experience severe climate or land use changes by 2050. This means that unless we take immediate action, we will not be able to establish their current status, much less monitor how it is changing and what is being lostinfo:eu-repo/semantics/publishedVersio

    Os aspectos atuais epidemiológicos e clínicos da Monkeypox: uma revisão de literatura

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    Neste artigo propomos um estudo que visa entender a fisiopatologia da Varíola dos Macacos, bem como seu quadro clínico e sua epidemiologia atual. Revisão de literatura de caráter exploratório, com uma avaliação de pesquisas e casos da prática clínica, em que se fez uma análise da epidemiologia da Varíola dos Macacos e seu quadro clínico. Foram selecionados 31 estudos para compor essa revisão de literatura. Entre as bases de dados selecionadas estão: PubMed, BVS, Google Scholar e SciELO. A análise das pesquisas mostrou uma ascensão da Monkeypox por todo o mundo após o ano de 2022.&nbsp; A sintomatologia tem sido muito diversa, tendo como principais sinais e sintomas lesões cutâneas, febre e linfadenopatias. A maioria dos casos não precisou de hospitalização. Contudo, em pacientes imunossuprimidos, crianças e gestantes a infecção se mostrou mais perigosa. A Monkeypox deixou de ser endêmica da África Ocidental no ano de 2022 e vem tomando proporções globais desde então. É de suma importância pesquisas epidemiológicas de rotina para que a doença seja controlada de perto e para que os profissionais da saúde tenham consciência de seu quadro clínico para a adequada notificação da doença

    Pervasive gaps in Amazonian ecological research

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    Conhecendo a síndrome de autofermentação: etiopatogenia, apresentação e abordagem

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    Revisar os dados sobre síndrome da autofermentação disponíveis na literatura e reforçar a possibilidade dessa condição como hipótese durante as avaliações diagnósticas. Revisão de literatura de caráter exploratório com estudos selecionados nas plataformas PubMED e Google Scholar, no período de 2015 a 2024. Foram elegidos, após a aplicação dos critérios de seleção e exclusão, 20 artigos para a leitura completa e adicionados 4 materiais extras de valor para o estudo.&nbsp; A síndrome da autofermentação é uma intoxicação alcoólica de origem endógena, causada, principalmente, por fungos fermentadores após um processo de disbiose intestinal. Suas principais manifestações incluem desorientação, descoordenação motora, marcha atáxica e desinibição social. O diagnóstico é realizado por anamnese detalhada, detecção de altos níveis séricos de álcool e teste do desafio dos carboidratos positivo. O manejo da condição consiste em evitar fatores que prejudiquem o microbioma intestinal e tratar os agentes causadores com uso de antifúngicos principalmente. A síndrome da autofermentação pode ter impacto nos contextos médico, legal e social. É necessário que ela seja mais disseminada entre a comunidade médica e leiga com intuito de permitir que o paciente possa ter um diagnóstico e tratamento adequados

    ARIA digital anamorphosis : Digital transformation of health and care in airway diseases from research to practice

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    Digital anamorphosis is used to define a distorted image of health and care that may be viewed correctly using digital tools and strategies. MASK digital anamorphosis represents the process used by MASK to develop the digital transformation of health and care in rhinitis. It strengthens the ARIA change management strategy in the prevention and management of airway disease. The MASK strategy is based on validated digital tools. Using the MASK digital tool and the CARAT online enhanced clinical framework, solutions for practical steps of digital enhancement of care are proposed.Peer reviewe
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