Background Subclinical atherosclerosis (SA) in the carotid, femoral, and coronary territories is a powerful predictor of cardiovascular (CV) events. Whether it is sufficient to assess SA in a single vascular territory in early-stage disease is uncertain. We aimed to determine the prevalence and concordance of SA in these vascular beds in asymptomatic patients without known CV disease. Methods We enrolled patients aged 35 to 75 years who were asymptomatic, without known CV disease, and had undergone carotid and femoral Doppler ultrasonography and calcium scoring. Those receiving statins were excluded. SA was defined as the presence of plaques in the carotid and/or femoral arteries or the presence of calcium in the coronary arteries (Agatston score >0). Results A total of 212 patients were identified with a mean age of 53 ± 7 years, of which 60% (128 patients) were men. The prevalence of SA was 62%. The distribution of SA between the three territories was similar, involving the carotid territory in 38% of cases, the femoral in 31%, and the coronaries in 37%. The concordance between the different vascular territories was weak, with a k index of 0.21 between the coronary and carotid territories, 0.27 between the coronary and femoral territories, and 0.34 between the carotid and femoral territories. Conclusions The prevalence of SA in asymptomatic patients without known CV disease is high. The concordance in the presence of SA between the three vascular territories is weak. Therefore, all three vascular beds need to be investigated.
-OSTRACODS OF SHALLOW LAKES OF THE CENTRAL REGION OF ARGENTINA: PALEOLIMNOLOGICALIMPLICATIONS. Studies about ostracods in shallow lakes are very scarce in the Province of La Pampa, thus the objective of this work is to contribute to the knowledge of the species present in lentic environments, studying the distribution, abundance, and specific associations of ostracods. The samples come from four shallow lakes of the Pampean Region, Province of La Pampa, Argentina. Sampling was performed along transects perpendicular to the shore. Five genera represented by six species of benthic ostracods were identified. Heterocypris similis was present in all sampled water bodies, but was dominant in the Monte de Caldén (LCM) and Don Tomás (LDT) lagoons. Cypridopsis vidua was very abundant in the LCM. The species Chlamydotheca incisa and Potamocypris unicaudata were only recorded in the Ojo de Agua Lagoon (LCS). C. incisa is recorded for the first time in the province, and P. unicaudata in Argentina. The qualitative and quantitative variations of the ostracod assemblages can be related to topography, sedimentology, vegetation and salinity variations. The results of this study are important in the interpretation of the environments recorded during the Quaternary, since these species are also registered as fossils.Key words: ostracods, lakes, La Pampa, modern analogues, Argentina.RESUMO -Estudos sobre ostracodes em lagoas pouco profundas são muito escassos na Província de La Pampa, Argentina, e, portanto, o objetivo deste trabalho é contribuir para o conhecimento das espécies presentes nos ambientes lenticais, estudar distribuição, abundância e associações específicas de ostracodes. As amostras provêm de quatro lagoas da Região Pampeana, Província de La Pampa, Argentina. Amostragem sazonal foi realizada ao longo de um corte transversal perpendicular à costa, tendo sido identificado um total de cinco gêneros representados por seis espécies de ostracodes bentônicos. Heterocypris similis está presente em todos os corpos de água amostrados, mas é dominante nas lagunas Monte de Caldén (LCM) e Don Tomás (LDT). Cypridopsis vidua é muito abundante na LCM. As espécies Chlamydotheca incisa e Potamocypris unicaudata somente foram registradas na Laguna Ojo de Agua (LCS). C. incisa é o primeiro registro para a província e P. unicaudata é a primeira nomeação para a Argentina. As variações qualitativas e quantitativas dos conjuntos ostracodes podem estar relacionadas à topografia, sedimentologia, vegetação e variações de salinidade. Os resultados deste estudo são importantes na interpretação dos ambientes registrados durante o Quaternário, uma vez que estas espécies também ocorrem como fósseis.Palavras-chave: ostracodes, lagoas, La Pampa, análogos modernos, Argentina. INTRODUCCIÓNLos ostrácodos son microcrustáceos bivalvos con caparazón quitino-calcáreo, que habitan todo tipo de medios acuáticos (desde continentales hasta marinos profundos, pasando por los estuarinos); en ambientes continentales su distribución está condicionada por l...
A total of 200 patients were included. The average daytime ABPM systolic blood pressure (SBP) was 136±16 compared with 136±15 (P=1) with HBPM; the average diurnal diastolic blood pressure (DBP) was 83±12 and 81±9, respectively (P=0.06). The concordance between both methods was very good for SBP [r=0.85; Bland-Altman 0.2 (95% confidence interval 0.9-1.4 mmHg)], and good for the DBP [r=0.77; Bland-Altman 1.8 (95% confidence interval 0.8-2.8 mmHg)]. Both methods were in agreement that HTN was controlled in 68 patients and that it was not controlled in 90 patients, that is, they were concordant in 158 patients (79%, κ=0.6). More patients required changes with ABPM than HBPM (149 vs. 99 patients, P<0.0001) CONCLUSION: There were no significant differences in the measurement of diurnal SBP and DBP between both methods. The concordance to determine proper control of HTN was 79%. There was a significant difference in the decision to modify the treatment in favor of the ABPM.
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