Publications by authors named "F Alessandri"

The role of Heart Rate Variability (HRV) indices in predicting the outcome of the weaning process remains a subject of debate. The aim of this study is to investigate HRV analysis in critically ill adult patients undergoing weaning from invasive mechanical ventilation (IMV). The protocol of this systematic review was registered with PROSPERO (CRD42024485800).

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This study explores the influence of social media content on societal attitudes and actions during critical events, with a special focus on occurrences in Chile, such as the COVID-19 pandemic, the 2019 protests, and the wildfires in 2017 and 2023. By leveraging a novel tweet dataset, this study introduces new metrics for assessing sentiment, inclusivity, engagement, and impact, thereby providing a comprehensive framework for analyzing social media dynamics. The methodology employed enhances sentiment classification through the use of a Deep Random Vector Functional Link (D-RVFL) neural network, which demonstrates superior performance over traditional models such as Support Vector Machines (SVM), naive Bayes, and back propagation (BP) neural networks, achieving an overall average accuracy of 78.

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Despite Parvovirus B19 (B19V) generally causing mild or asymptomatic infections, and only certain high-risk groups such as hematological or immunocompromised patients and pregnant women tending to develop complications, several factors challenge the assumption of a "benign" clinical course in immunocompetent adults and adolescents. A significant proportion of the population may harbor undiagnosed health conditions or genetic predispositions that could render them more susceptible to severe B19V complications. These could include mild hematological disorders, immune dysregulation not resulting in overt immunodeficiency, or underlying cardiac conditions.

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Article Synopsis
  • Umberto I Teaching Hospital in Rome set up a temporary ICU in March 2021 to manage critical COVID-19 patients and studied healthcare-associated infections (HAIs) among them across different COVID-19 variants.
  • Out of 355 patients admitted, 27.3% developed at least one HAI and the mortality rate was 49.6%, with older and more complex cases appearing over time, especially in the first year.
  • The research found that patients admitted during the later Omicron variants had lower chances of developing HAIs compared to those admitted during the Alpha variant, suggesting improvements in clinical management and infection control measures played a role in reducing HAI rates despite increasing patient severity.
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