Publications by authors named "R S Alvim"

Article Synopsis
  • Early menarche (before age 12) is linked to a higher risk of hypertension in premenopausal women, with a 58% increased likelihood of developing it, even when accounting for age, obesity, and smoking.
  • The study analyzed data from 1406 women aged 18-100, comparing factors like age at menarche, menopausal status, and hypertension indicators.
  • In postmenopausal women, early menarche did not independently predict hypertension, as age and other health issues became more significant factors.
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Context: The conversion of carbon dioxide (CO) to formic acid (FA) through hydrogenation using 1-ethyl-2,3- dimethyl imidazolium nitrite (EDIN) ionic liquid was studied to understand the catalytic roles within EDIN. CO hydrogenation in various solvents has been explored, but achieving high efficiency and selectivity remains challenging due to the thermodynamic stability and kinetic inertness of CO. This study explored two mechanistic pathways through theoretical calculations, revealing that the nitrite (NO) group is the most active site.

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Background: The coronavirus disease-2019 (COVID-19) pulmonary rehabilitation (PR) seems to be a better choice to improve physical and functional capacity after acute infection. However, there is a lack of evidence regarding the effects of different strategies to optimize post-acute phase rehabilitation and reduce long COVID-19 physical deteriorations.

Objective: To compare the use of a noninvasive ventilation (NIV) plus aerobic exercise strategy during PR program with to a standard PR (without NIV) on physical capacity and quality of life outcomes in post-COVID-19.

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Article Synopsis
  • The study analyzed surgical trends and patient outcomes for those undergoing radical nephroureterectomy (RNU) due to upper tract urothelial carcinoma (UTUC) over a 24-year period at a tertiary cancer center.
  • Researchers assessed 743 patients from 1995 to 2018, observing significant increases in preoperative biopsies and high-grade disease treatment, alongside a decline in open surgery in favor of minimally invasive techniques.
  • Overall, cancer-specific survival rates improved, but the complex interplay of changing treatment practices and how they affect outcomes still requires further research.
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The COVID-19 pandemic has caused a severe global health and economic crisis, with significant consequences for human mortality and morbidity. Therefore, there is an urgent need for more studies on the immune response to SARS-CoV-2 infection, both to enhance its effectiveness and prevent its deleterious effects. This study presents the chronology of antibodies during six months after infection in hospitalized patients and the kinetics of serum soluble mediators of the cellular response triggered by SARS-CoV-2.

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