Publications by authors named "Juan Pablo Ramirez Hinojosa"

The host immune response might confer differential vulnerability to SARS-CoV-2 infection. The Toll-like receptor 8 (TLR8), could participated for severe COVID-19 outcomes. To investigated the relationship of TLR8 rs3764879-C/G, rs3764880-A/G, and rs3761624-A/G with COVID-19 outcomes and with biochemical parameters.

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  • * Interestingly, higher levels of certain cytokines (like IL-1, IL-6) were found in mild COVID-19 patients, along with significant cell damage in both mild and severe cases, contrasting with uninfected individuals.
  • * The study highlights that mild cases show elevated levels of both pro-inflammatory and anti-inflammatory cytokines, which may link to stronger IgM and IgG antibody production, and emphasizes the need to understand the cytotoxic effects of SARS-CoV-2 on the oral mucosa.
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Introduction: International guidelines recommend hospital care for patients with severe Coronavirus disease (COVID-19), but fragile health care systems struggle to cope with high number of admissions, placing patients at risk of receiving substandard care. We describe an outpatient ambulatory surveillance and treatment strategy (OPAT) for health care workers (HCWs) with severe COVID-19 during low hospital bed availability periods in Mexico City.

Methods: In this observational, descriptive, retrospective study, we included HCWs with severe disease for whom there were no hospital beds available at the time of evaluation.

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There have been few reports on extra-enteric infections by Blastocystis STs and none have been molecularly identified in samples from human reproductive organs. We report for the first time the identification of 3 different subtypes of Blastocystis (ST1-3) in vaginal and sperm samples, from patients infected with Trichomonas vaginalis. Blastocystis STs were identified by PCR-sequencing and by phylogenetic inferences using 28 vaginal swab samples and 7 sperm samples from patients trichomoniasis.

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Aspergillosis and mucormycosis are filamentous fungal infections occurring predominantly in immunocompromised patients. Fulminant process with rapid infiltration of the contiguous tissue is distinctive for both type of fungi. The rhinocerebral co-infection by and Mucorales is very rare and is usually associated in immunocompromised patients with a high mortality rate.

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  • - The study investigated whether HIV-infected Mexican migrants who have lived in the U.S. experience more viral drug-resistance mutations compared to those who haven't.
  • - Analysis of viral genotypic resistance tests from 336 patients revealed that migrants were significantly more likely to have three or more major protease inhibitor resistance mutations.
  • - The findings suggest that migration history correlates with a higher risk of developing HIV variants that are less responsive to treatment, regardless of how long the patients had been on antiretroviral therapy.
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In-house assays for the diagnosis of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) by quantitative reverse-transcription polymerase chain reaction (qRT-PCR), are feasible alternatives, particularly in developing countries. Cycle threshold (C ) values obtained by qRT-PCR were compared with clinical and laboratory data from saliva of inpatients with COVID-19 and asymptomatic health workers (AHW) were studied. Saliva specimens from 58 inpatients confirmed by qRT-PCR for SARS-CoV-2 using nasopharyngeal specimens, and 105 AHW were studied by qRT-PCR using three sets of primers for the N (N1, N2, and N3) gene of SARS-CoV-2, according to the CDC Diagnostic Panel protocol, showing a positivity of 88% for inpatients and 8% for AHW.

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  • A multicenter study in Mexico aimed to evaluate the effectiveness of various tests for diagnosing progressive disseminated histoplasmosis (PDH) in individuals living with HIV.
  • The study involved 415 participants and compared the diagnostic accuracy of urine antigen tests and nested PCR methods, confirming PDH through blood, tissue cultures, or histopathology.
  • Results showed that the cHGEI IMMY test had the highest sensitivity (91.3%) among the urine tests, while nested PCR tests demonstrated varying sensitivity levels, indicating different diagnostic strengths for identifying this serious infection.
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Background: Pyogenic liver abscess (PLA) is a rare disease with an estimated incidence that varies widely across the globe, being as high as 115.4/100000 habitants in Taiwan and as low as 1.1-1.

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A Mexican 24-year-old male patient was referred to our hospital due to increased left retroauricular volume with skin fistulisation, resembling an infection by the uncommon worm Lagochilascaris minor. The patient was submitted to lateral skull base surgery. No adult worms or eggs were observed during light and scanning electron microscopy analysis, as well as by histopathologic examination of the small piece of removed tissue, only L3 stage larvae of Lagochilascaris spp.

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Introduction: Outpatient parenteral antimicrobial therapy is a safe, effective, and convenient way of administering antimicrobials for a wide variety of infections. So far there are no reports on the efficacy of outpatient antimicrobial therapy in Mexico. Our objective was to determine the outcomes, safety, and cost of outpatient ertapenem therapy (OET) in our hospital.

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  • The study evaluates the diagnostic accuracy of the ALPHA Histoplasma urine antigen (HUAg) test for detecting progressive disseminated histoplasmosis (PDH) in HIV patients, particularly in Mexico.
  • In a sample of 288 patients suspected of having PDH, the ALPHA-HUAg showed a sensitivity of 67.1% and a high specificity of 97.5%, indicating it is fairly good at confirming PDH but may miss some cases.
  • Despite its high specificity, the low sensitivity means that ALPHA-HUAg can't be solely relied on for diagnosis, and a culture-based approach is recommended to account for potential co-infections.
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