15 research outputs found
Amazonian earthworm biodiversity is heavily impacted by ancient and recent human disturbance
Despite the importance of earthworms for soil formation, more is needed to know about how Pre-Columbian modifications to soils and the landscape. Gaining a deeper understanding is essential for comprehending the historical drivers of earthworm communities and the development of effective conservation strategies in the Amazon rainforest. Human disturbance can significantly impact earthworm diversity, especially in rainforest soils, and in the particular case of the Amazonian rainforest, both recent and ancient anthropic practices may be important. Amazonian Dark Earths (ADEs) are fertile soils found throughout the Amazon Basin, created by sedentary habits and intensification patterns of pre-Colombian societies primarily developed in the second part of the Holocene period. We have sampled earthworm communities in three Brazilian Amazonian (ADEs) and adjacent reference soils (REF) under old and young forests and monocultures.
To better assess taxonomic richness, we used morphology and the barcode region of the COI gene to identify juveniles and cocoons and delimit Molecular Operational Taxonomic Units (MOTUs). Here we suggest using Integrated Operational Taxonomical units (IOTUs) which combine both morphological and molecular data and provide a more comprehensive assessment of diversity, while MOTUs only rely on molecular data. A total of 970 individuals were collected, resulting in 51 taxonomic units (IOTUs, MOTUs, and morphospecies combined). From this total, 24 taxonomic units were unique to REF soils, 17 to ADEs, and ten were shared between both soils. The highest richness was found in old forest sites for ADEs (12 taxonomic units) and REFs (21 taxonomic units). The beta-diversity calculations reveal a high species turnover between ADEs and REF soils, providing evidence that ADEs and REFs possess distinct soil biota. Furthermore, results suggest that ADE sites, formed by Pre-Columbian human activities, conserve a high number of native species in the landscape and maintain a high abundance, despite their long-term nature
How did CariesCare International perform under pandemic conditions in children? A one-year, multicentre, single-group, interventional study
Introduction CariesCare International (CCI) is a practice-friendly, health outcomes-focused, patient-centred, risk-based approach to caries management designed for the practice. The unfeasibility of a randomised clinical trial and of aerosol generating procedures (AGPs) during the COVID-19 pandemic to test the caries control effectiveness of CCI shifted it to a non-AGP, reduced on-site consultation, single-interventional study.
Aim This 12-month, multicentre, single-group, interventional study aimed at primarily assessing the control of caries progression of a pandemic CCI-adapted protocol in children.
Methods In total, 17 centres (n≥ 20, 3-8-year-old children/centre) were included. Trained examiners assessed (baseline: T0; one-year follow-up: T1y): CCI caries risk; oral health-related behaviours; decayed, missing and filled teeth (primary, permanent) with the epidemiological merged International Caries Detection and Assessment System (severity, activity); dental sepsis; and toothache. Trained practitioners performed one-year CCI-adapted personalised care. Dental care process acceptance was assessed in parents and dentists.
Results A total of 16 centres finished the study (n = 337, 78.6%; mean age: 5.5 ± 1.6 years). There was a T0-T1y decrease in the mean number of combined primary and permanent tooth surfaces with caries lesions (8.4 ± 9.7 to 6.2 ± 7.6), with most children showing control of caries progression (75.1%), high caries risk (86.6%) and non-adequate oral-health behaviour (72.7%) (p <0.05). CCI acceptance was very high in parents and high/very high in dentists.
Discussion The limitations given by the pandemic challenges, the single-interventional study design, and the non-AGP and reduced in-office-consultation adaptations, might as well highlight the shown caries progression control, feasibility and acceptance of CCI.
Conclusion The one-year implementation of CCI showed control of caries progression and of risk and high acceptance among parents and dentists
Novas evidências documentais para a história da homeopatia na América Latina: um estudo de caso sobre os vínculos entre Rio de Janeiro e Buenos Aires
Diallel analysis of corn for special use as corn grits: determining the main genetic effects for corn gritting ability
Nematode infection patterns in four sympatric lizards from a restinga habitat (Jurubatiba) in Rio de Janeiro state, southeastern Brazil
AbstractSpecimens of the four most abundant diurnal lizards (Tropidurus torquatus, Cnemidophorus littoralis, Mabuya macrorhyncha and M. agilis) inhabiting the restinga of Jurubatiba, Rio de Janeiro state, Brazil were examined for nematodes. Eight species of nematodes were found. Tropidurus torquatus had the richest (8 species) and most diverse nematode fauna, whereas that of C. littoralis was the poorest (2 species) and less diverse. Tropidurus torquatus also had the highest overall prevalence (92%) and mean infection intensity (37.2; standard deviation 82.0; range 2-549). Similarities in nematode faunal composition between host species was generally low, except between the two Mabuya species.
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Serum levels of proteins and acute-phase proteins in captive emus ( Dromaius novaehllandieae ) of different ages
Uveíte associada à infecção por Trypanosoma evansi em cães no município de Uruguaiana, RS, Brasil
In-Hospital influenza vaccination to prevent cardiorespiratory events in the first 45 days after acute coronary syndrome: A prespecified analysis of the VIP-ACS trial
Background: Influenza vaccination prevents major cardiovascular events in individuals presenting a recent acute coronary syndrome (ACS), however the early effect of an in-hospital double-dose vaccination strategy remains uncertain. Methods: The VIP-ACS was a randomized, pragmatic, multicenter, open-label trial with a blinded-adjudication endpoint. Patients with ACS ≤ 7 days of hospitalization were randomized to an in-hospital double-dose quadrivalent inactivated influenza vaccine (double-dose) or a standard-dose influenza vaccine at 30 days post-randomization. The primary endpoint was a hierarchical composite of death, myocardial infarction, stroke, hospitalization for unstable angina, hospitalization for heart failure, urgent coronary revascularization, and hospitalization for respiratory infections, analyzed with the win ratio (WR) method in short-term follow-up (45-days after randomization). Results: The trial enrolled 1,801 patients (≥18 years old). Median participant age was 57 years, 70 % were male. There were no significant differences between groups on the primary hierarchical endpoint: there were 5.7 % wins in the double-dose in-hospital group and 5.5 % wins in the standard-dose delayed vaccination group (WR: 1.03; 95 % CI: 0.70–––1.53; P = 0.85). In a sensitivity analysis including COVID-19 infection in the hospitalizations for respiratory infections endpoint, overall results were maintained (WR: 1.03; 95 % CI 0.71–––1.51; P = 0.87). Results were consistent for major cardiovascular events only (WR: 0.82; 95 % CI: 0.48–––1.39; P = 0.46). No serious adverse events were observed. Conclusion: In patients with recent ACS, in-hospital double-dose influenza vaccination did not significantly reduce cardiorespiratory events at 45 days compared with standard-dose vaccination at 30 days post-randomization.Instituto Israelita de Ensino e Pesquisa Hospital Israelita Albert EinsteinTIMI Study Group Brigham and Women's Hospital Harvard Medical SchoolPronto Socorro Cardiológico de Pernambuco PROCAPEHospital Santa LúciaHospital Ana NeryHospital Regional Hans Dieter SchmidtHospital Universitário Ciências MédicasInstituto de Pesquisas Médicas de ItajaíInstituto do Coração (InCor) Hospital das Clínicas Faculdade de Medicina Universidade de São PauloHospital São Lucas da PUCRSIrmandade da Santa Casa de Misericórdia de MariliaBotucatu Medical School Sao Paulo State UniversityHospital de Clínicas de Porto Alegre Universidade Federal do Rio Grande do SulCentro de Pesquisa Clínica do CoraçãoInstituto Estadual de Cardiologia Aloysio de CastroBotucatu Medical School Sao Paulo State Universit
