Ernesto Martínez

ORCID: 0000-0002-0959-8593
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About
Contact & Profiles
Research Areas
  • Antibiotic Use and Resistance
  • Antifungal resistance and susceptibility
  • HIV/AIDS Research and Interventions
  • Public Health and Environmental Issues
  • HIV/AIDS oral health manifestations
  • COVID-19 Clinical Research Studies
  • Fungal Infections and Studies
  • Bacterial Identification and Susceptibility Testing
  • Pneumocystis jirovecii pneumonia detection and treatment
  • HIV, Drug Use, Sexual Risk
  • Sepsis Diagnosis and Treatment
  • Mosquito-borne diseases and control
  • Antibiotic Resistance in Bacteria
  • Drug-Induced Adverse Reactions
  • Pneumonia and Respiratory Infections
  • HIV-related health complications and treatments
  • Nail Diseases and Treatments
  • Immunodeficiency and Autoimmune Disorders
  • Health and Medical Education
  • Antimicrobial Resistance in Staphylococcus
  • Cytomegalovirus and herpesvirus research
  • Sinusitis and nasal conditions
  • Toxoplasma gondii Research Studies
  • Nosocomial Infections in ICU
  • Malaria Research and Control

Universidad del Valle
2013-2025

Hospital Universitario del Valle ESE
2010-2023

Universidad Libre de Colombia
2021

Senko Medical Instrument Manufacturing (Japan)
2021

Pontificia Universidad Javeriana
2019-2020

Hospital General Universitario Morales Meseguer
2020

Fundación Universitaria Sanitas
2020

Fundación Valle del Lili
2019

Universidad del Valle
2018

Clínica Santa María
2017

Ivermectin is widely prescribed as a potential treatment for COVID-19 despite uncertainty about its clinical benefit.To determine whether ivermectin an efficacious mild COVID-19.Double-blind, randomized trial conducted at single site in Cali, Colombia. Potential study participants were identified by simple random sampling from the state's health department electronic database of patients with symptomatic, laboratory-confirmed during period. A total 476 adult disease and symptoms 7 days or...

10.1001/jama.2021.3071 article EN JAMA 2021-03-04

Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has rapidly spread throughout Latin America, a region swept multiple previous and ongoing epidemics. There are significant concerns that the arrival of COVID-19 is currently overlapping with other viruses, particularly dengue, in various endo-epidemic regions across South America. In this report, we analyzed trends for both viral infections Colombia during first 20 epidemiological...

10.1002/jmv.26194 article EN Journal of Medical Virology 2020-06-19

Abstract Background Antimicrobial stewardship programs (ASPs) have become a fundamental pillar in optimizing antimicrobial usage, improving patient care, and reducing resistance (AMR). Herein we evaluated the impact of an ASP on consumption AMR Colombia. Methods We designed retrospective observational study measured trends antibiotic before after implementation using interrupted time series analysis over 4-year period (24 months 24 implementation). Results ASPs were implemented according to...

10.1186/s12879-022-07410-6 article EN cc-by BMC Infectious Diseases 2022-05-02

CTX-M-15-producing Escherichia coli has emerged worldwide as an important pathogen associated with community-onset infections, but in South America reports are scarce. We document the presence of E. international ST131 and ST405 clones Colombia present first molecular characterization these isolates America.

10.1128/jcm.00045-11 article EN Journal of Clinical Microbiology 2011-02-17

Abstract Background The monkeypox virus, part of the Orthopoxvirus genus, triggered a worldwide outbreak in 2022. While this had widespread effects, there's limited information on mpox's specific impact Colombia, particularly terms how it is managed, its burden, and epidemiology. This research seeks to examine medical context, clinical variations, health consequences individuals diagnosed with mpox, especially those HIV Colombian institutions Methods retrospective study was conducted...

10.1093/ofid/ofae631.1455 article EN cc-by Open Forum Infectious Diseases 2025-01-29

ObjectivesMethicillin-resistant Staphylococcus aureus (MRSA) skin and soft tissue infections (SSTIs) represent a major clinical problem in Colombia. The aim of this study was to evaluate the risk factors associated with MRSA SSTI Colombia.MethodsA multicenter cohort nested case–control design performed. Patients an at least 48 h inpatient care were included. considered case group patients either non-MRSA or Methicillin-susceptible S. (MSSA) control groups. A multivariate logistic regression...

10.1016/j.ijid.2019.07.007 article EN cc-by-nc-nd International Journal of Infectious Diseases 2019-07-19

Introduction There is insufficient evidence supporting the use of rapid diagnostic tests (RDTs) for syphilis in people living with HIV (PLWH). We evaluated performance two commercially available RDTs (Bioline and Determine) PLWH Cali, Colombia. Methods A cross-sectional field validation study on consecutive adults confirmed diagnosis attending three outpatient clinics. Both were performed capillary blood (CB), obtained by finger prick, sera, venipuncture. combination treponemal enzyme linked...

10.1371/journal.pone.0282492 article EN cc-by PLoS ONE 2023-03-09

La resistencia bacteriana se consolida como una amenaza para los sistemas de salud en el manejo las enfermedades infecciosas. vigilancia epidemiológica la ha demostrado ser estrategia efectiva conocer patrones susceptibilidad a antimicrobianos regionales desarrollo medidas contención y gestión del uso adecuado antimicrobianos. Describir aislamientos microbiológicos perfiles principales bacterias gram-negativas gram-positivas clínicas hospitales alta complejidad Santiago Cali, Colombia....

10.1016/s0123-9392(14)70734-9 article ES cc-by-nc-nd Infectio 2014-01-01

Diabetes mellitus is an established risk factor for bacterial infections, but its role in cryptococcosis unclear. The study aimed to determine whether uncontrolled diabetes (HbA1c >7%) was independent mortality cryptococcosis.A retrospective case-control partially matched by age and gender performed patients tested Cryptococcus infection at the University of Colorado Hospital from 2000 2019. A multivariable logistic regression model used identify predictors. Cox proportional hazard survival...

10.1177/20499361211004367 article EN cc-by-nc Therapeutic Advances in Infectious Disease 2021-01-01

In 2019, Colombia approved the combination of tenofovir disoproxil fumarate/emtricitabine for HIV Pre-Exposure Prophylaxis (PrEP). Therefore, we conducted a situational analysis in HIV-care providers to identify barriers and facilitators PrEP implementation. A survey was applied non-probabilistic sample health care workers HIV-specialized clinics. We examined awareness familiarity, comfort with PrEP-related activities, perceived implementation, concerns, attitudes. Poisson regressions...

10.1080/09540121.2022.2029813 article EN cc-by-nc-nd AIDS Care 2022-01-22

Few studies have used implementation science frameworks to identify determinants of PrEP prescription by healthcare providers. In this work, we developed and psychometrically examined a questionnaire using the theoretical domains framework (TDF) consolidated for research (CFIR). We investigate what factors influence intention providers offer care advocate PrEP.We conducted cross-sectional study in 16 HIV organizations Colombia. A 98-item was administered online 129 professionals. One hundred...

10.1186/s43058-022-00278-2 article EN cc-by Implementation Science Communications 2022-03-16

Evaluar el impacto de un programa uso regulado antibióticos en observancia, consumo antibiótico y resistencia bacteriana 2 unidades cuidados intensivos (UCI) hospital universitario tercer nivel Colombia. Estudio prospectivo observacional intervención que analiza períodos tiempo UCI: preintervención (agosto 2008 a febrero 2009) posintervención (marzo septiembre 2009). El estudio se llevó cabo Hospital Universitario del Valle Evaristo García E.S.E. Se evaluaron: observancia guías creadas por...

10.1016/s0123-9392(12)70013-9 article ES cc-by-nc-nd Infectio 2012-01-01

Schizophyllum commune is a basidiomycete fungus with broad distribution in nature; however, it rare cause of infectious disease. We report the isolation this mould 46 year-old immunocompetent patient chronic sinusitis previously treated multiple antibiotics and topical nasal steroids. Material obtained via left maxillary sinus antrostomy showed septate hyaline hyphae clamp connections on direct examination KOH histopathological studies. Further growth Sabouraud agar produced white that,...

10.25100/cm.v41i1.687 article EN Colombia medica 2010-09-06

Abstract Background The HLA-B*57:01 allele is associated with a hypersensitivity reaction to abacavir. Due the lack of knowledge prevalence in Colombia, routine screening not performed and recommended by national guidelines. We aimed determine HIV population from Colombia. Methods This cross-sectional study included naïve HIV-infected adults 13 cities country. presence was determined using SSP-PCR blood samples. Prevalence rates were stratified sex, race, region origin. Results Colombian...

10.1186/s12879-019-4415-3 article EN cc-by BMC Infectious Diseases 2019-09-09

La criptococosis es la infección fúngica ocasionada por el complejo de especies Cryptococcus neoformans y gattii, desarrollada con mayor frecuencia en personas compromiso del sistema inmune. En las que viven virus inmunodeficiencia humana (VIH), una oportunista gran importancia, consecuencias devastadoras para los pacientes, sociedad salud, debido al incremento morbilidad, mortalidad costos genera. presente guía contiene recomendaciones diagnóstico tratamiento adultas VIH, basadas evidencia,...

10.22354/24223794.1166 article ES Infectio 2024-02-16

BackgroundCarbapenemase-producing Enterobacterales (CPE) represents a significant threat to global health. This study aimed characterize clinically and molecularly the CPE isolated from rectal swabs of patients in intensive care units (ICUs) tertiary hospital Cali, Colombia.MethodsThis was cross-sectional observational study. Rectal admitted ICUs were collected. Bacterial identification carbapenemase production determined using phenotypic molecular methods. Demographic clinical data...

10.1016/j.heliyon.2024.e33368 article EN cc-by Heliyon 2024-06-01
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