Publications by authors named "C Alpuche-Aranda"

Article Synopsis
  • Addressing the increasing concern of antimicrobial resistance (AMR) requires better management of antibiotic prescriptions, and monitoring practices in hospitals can help optimize their use, especially in smaller facilities with limited resources.
  • This study performed point prevalence surveys (PPSs) in two hospitals in Mexico to assess antibiotic prescribing patterns and collected data from 127 patients across various ward types.
  • Results showed high rates of antibiotic use (60.4% and 70.5% at hospitals H1 and H2, respectively), with common indications being medical and preoperative prophylaxis, primarily based on empirical prescribing without sufficient post-prescription reviews.
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The metagenomic surveillance of antimicrobial resistance in wastewater has been suggested as a methodological tool to characterize the distribution, status, and trends of antibiotic-resistant bacteria. In this study, a cross-sectional collection of samples of hospital-associated raw and treated wastewater were obtained from February to March 2020. Shotgun metagenomic sequencing and bioinformatic analysis were performed to characterize bacterial abundance and antimicrobial resistance gene analysis.

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Unlabelled: Astroviruses are highly divergent and infect a wide variety of animal hosts. In 2009, a genetically divergent human astrovirus (HAstV) strain VA1 was first identified in an outbreak of acute gastroenteritis. This strain has also been associated with fatal central nervous system disease.

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The immune response to SARS-CoV-2 has been extensively studied following the pandemic outbreak in 2020; however, the presence of specific T cells against SARS-CoV-2 before vaccination has not been evaluated in Mexico. In this study, we estimated the frequency of T CD4+ and T CD8+ cells that exhibit a specific response to S (spike) and N (nucleocapsid) proteins in a Mexican population. We collected 78 peripheral blood samples from unvaccinated subjects, and the presence of antibodies against spike (RBD) and N protein was determined.

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The objective of the study was to detect multidrug-resistant sp. and sp. isolates in municipal and hospital wastewater and to determine their elimination or persistence after wastewater treatment.

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