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Ayuso-Álvarez A, Ortiz C, Fontán J, Rodríguez-Blázquez C, Damián J, López-Cuadrado T, Galán I. Predictive value of the Global Activity Limitation Indicator (GALI) on all-cause mortality. Public Health 2024; 230:6-11. [PMID: 38460397 DOI: 10.1016/j.puhe.2024.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 01/24/2024] [Accepted: 02/08/2024] [Indexed: 03/11/2024]
Abstract
OBJECTIVES The Global Activity Limitation Indicator (GALI) is an instrument that measures long-term overall disability. The objective of this study was to evaluate GALI's predictive value on mortality while examining variations according to sex, age, and educational level. STUDY DESIGN Longitudinal study. METHODS This longitudinal study was based on 42,991 individuals aged ≥15 years who participated in the 2011-2012 National Health Survey and the 2014 European Health Survey in Spain. These records were linked to mortality data up to December 2021. GALI assessed self-reported functional limitation in the past 6 months and classified individuals into three categories: severely limited, limited but not severely, and not limited. Incidence rate ratios (IRR) were calculated using Poisson regression models, adjusting for sociodemographic, lifestyle, and health status variables. RESULTS Compared to individuals with no limitations, those with non-severe limitations had an IRR for mortality of 1.27 (95% CI: 1.16-1.38), and 2.04 (95% CI: 1.81-2.31) in those with severe limitations. Women with severe limitations exhibited a higher IRR (2.32; 95% CI: 1.98-2.71) compared to men (1.73; 95% CI: 1.45-2.08) (P for interaction = 0.005). Individuals <65 years with severe limitations showed a greater association (2.22; 95% CI: 1.58-3.10) than those ≥65 (1.49; 95% CI: 1.32-1.69) (P for interaction <0.001). Among individuals with lower educational attainment, the IRR was 2.08 (95% CI: 1.83-2.37), and 1.87 (95% CI: 1.37-2.56) for the higher education group (P for interaction = 0.017). CONCLUSIONS GALI is a robust predictor of all-cause mortality in the general population and subgroups. The association is stronger in women, individuals <65 years, and those with lower educational levels.
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Affiliation(s)
- A Ayuso-Álvarez
- National Centre for Epidemiology, Institute of Health Carlos III, Spain; Department of Sociology, School of Economics, Universidad Autónoma de Madrid, Spain
| | - C Ortiz
- National Centre for Epidemiology, Institute of Health Carlos III, Spain
| | - J Fontán
- National Centre for Epidemiology, Institute of Health Carlos III, Spain
| | | | - J Damián
- National Centre for Epidemiology, Institute of Health Carlos III, Spain; Consortium for Biomedical Research in Neurodegenerative Diseases (CIBERNED), Spain
| | - T López-Cuadrado
- National Centre for Epidemiology, Institute of Health Carlos III, Spain; Department of Preventive Medicine and Public Health, School of Medicine, Universidad Autónoma de Madrid, Spain
| | - I Galán
- National Centre for Epidemiology, Institute of Health Carlos III, Spain; Department of Preventive Medicine and Public Health, School of Medicine, Universidad Autónoma de Madrid, Spain.
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Christensen PR, Hamilton VE, Mehall GL, Anwar S, Bowles H, Chase S, Farkas Z, Fisher T, Holmes A, Kubik I, Lazbin I, O’Donnell W, Ortiz C, Pelham D, Rogers S, Shamordola K, Tourville T, Woodward R. The Lucy Thermal Emission Spectrometer (L'TES) Instrument. Space Sci Rev 2023; 220:1. [PMID: 38130909 PMCID: PMC10730683 DOI: 10.1007/s11214-023-01029-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 11/20/2023] [Indexed: 12/23/2023]
Abstract
The Lucy Thermal Emission Spectrometer (L'TES) will provide remote measurements of the thermophysical properties of the Trojan asteroids studied by the Lucy mission. L'TES is build-to-print hardware copy of the OTES instrument flown on OSIRIS-REx. It is a Fourier Transform spectrometer covering the spectral range 5.71-100 μm (1750-100 cm-1) with spectral sampling intervals of 8.64, 17.3, and 34.6 cm-1 and a 7.3-mrad field of view. The L'TES telescope is a 15.2-cm diameter Cassegrain telescope that feeds a flat-plate Michelson moving mirror mounted on a linear voice-coil motor assembly to a single uncooled deuterated l-alanine doped triglycine sulfate (DLATGS) pyroelectric detector. A significant firmware change from OTES is the ability to acquire interferograms of different length and spectral resolution with acquisition times of 0.5, 1, and 2 seconds. A single ∼0.851 μm laser diode is used in a metrology interferometer to provide precise moving mirror control and IR sampling at 772 Hz. The beamsplitter is a 38-mm diameter, 1-mm thick chemical vapor deposited diamond with an antireflection microstructure to minimize surface reflection. An internal calibration cone blackbody target, together with observations of space, provides radiometric calibration. The radiometric precision in a single spectrum is ≤2.2 × 10-8 W cm-2 sr-1 /cm-1 between 300 and 1350 cm-1. The absolute temperature error is <2 K for scene temperatures >75 K. The overall L'TES envelope size is 37.6 × 29.0 × 30.4 cm, and the mass is 6.47 kg. The power consumption is 12.6 W average. L'TES was developed by Arizona State University with AZ Space Technologies developing the electronics. L'TES was integrated, tested, and radiometrically calibrated on the Arizona State University campus in Tempe, AZ. Initial data from space have verified the instrument's radiometric and spatial performance.
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Affiliation(s)
- P. R. Christensen
- School of Earth and Space Exploration, Arizona State University, Tempe, AZ USA
| | | | - G. L. Mehall
- School of Earth and Space Exploration, Arizona State University, Tempe, AZ USA
| | - S. Anwar
- School of Earth and Space Exploration, Arizona State University, Tempe, AZ USA
| | - H. Bowles
- School of Earth and Space Exploration, Arizona State University, Tempe, AZ USA
| | - S. Chase
- School of Earth and Space Exploration, Arizona State University, Tempe, AZ USA
| | - Z. Farkas
- School of Earth and Space Exploration, Arizona State University, Tempe, AZ USA
| | - T. Fisher
- School of Earth and Space Exploration, Arizona State University, Tempe, AZ USA
| | - A. Holmes
- School of Earth and Space Exploration, Arizona State University, Tempe, AZ USA
| | - I. Kubik
- School of Earth and Space Exploration, Arizona State University, Tempe, AZ USA
| | - I. Lazbin
- AZ Space Technologies, Gilbert, AZ USA
| | - W. O’Donnell
- School of Earth and Space Exploration, Arizona State University, Tempe, AZ USA
| | - C. Ortiz
- School of Earth and Space Exploration, Arizona State University, Tempe, AZ USA
| | - D. Pelham
- School of Earth and Space Exploration, Arizona State University, Tempe, AZ USA
| | - S. Rogers
- School of Earth and Space Exploration, Arizona State University, Tempe, AZ USA
| | - K. Shamordola
- School of Earth and Space Exploration, Arizona State University, Tempe, AZ USA
| | - T. Tourville
- School of Earth and Space Exploration, Arizona State University, Tempe, AZ USA
| | - R. Woodward
- School of Earth and Space Exploration, Arizona State University, Tempe, AZ USA
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Antoni S, Nakamura T, Cohen AL, Mwenda JM, Weldegebriel G, Biey JNM, Shaba K, Rey-Benito G, de Oliveira LH, Oliveira MTDC, Ortiz C, Ghoniem A, Fahmy K, Ashmony HA, Videbaek D, Daniels D, Pastore R, Singh S, Tondo E, Liyanage JBL, Sharifuzzaman M, Grabovac V, Batmunkh N, Logronio J, Armah G, Dennis FE, Seheri M, Magagula N, Mphahlele J, Leite JPG, Araujo IT, Fumian TM, EL Mohammady H, Semeiko G, Samoilovich E, Giri S, Kang G, Thomas S, Bines J, Kirkwood CD, Liu N, Lee DY, Iturriza-Gomara M, Page NA, Esona MD, Ward ML, Wright CN, Mijatovic-Rustempasic S, Tate JE, Parashar UD, Gentsch J, Bowen MD, Serhan F. Rotavirus genotypes in children under five years hospitalized with diarrhea in low and middle-income countries: Results from the WHO-coordinated Global Rotavirus Surveillance Network. PLOS Glob Public Health 2023; 3:e0001358. [PMID: 38015834 PMCID: PMC10683987 DOI: 10.1371/journal.pgph.0001358] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 10/06/2023] [Indexed: 11/30/2023]
Abstract
Rotavirus is the most common pathogen causing pediatric diarrhea and an important cause of morbidity and mortality in low- and middle-income countries. Previous evidence suggests that the introduction of rotavirus vaccines in national immunization schedules resulted in dramatic declines in disease burden but may also be changing the rotavirus genetic landscape and driving the emergence of new genotypes. We report genotype data of more than 16,000 rotavirus isolates from 40 countries participating in the Global Rotavirus Surveillance Network. Data from a convenience sample of children under five years of age hospitalized with acute watery diarrhea who tested positive for rotavirus were included. Country results were weighted by their estimated rotavirus disease burden to estimate regional genotype distributions. Globally, the most frequent genotypes identified after weighting were G1P[8] (31%), G1P[6] (8%) and G3P[8] (8%). Genotypes varied across WHO Regions and between countries that had and had not introduced rotavirus vaccine. G1P[8] was less frequent among African (36 vs 20%) and European (33 vs 8%) countries that had introduced rotavirus vaccines as compared to countries that had not introduced. Our results describe differences in the distribution of the most common rotavirus genotypes in children with diarrhea in low- and middle-income countries. G1P[8] was less frequent in countries that had introduced the rotavirus vaccine while different strains are emerging or re-emerging in different regions.
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Affiliation(s)
- Sebastien Antoni
- Department of Immunization, Vaccines and Biologicals, World Health Organization Headquarters, Geneva, Switzerland
| | - Tomoka Nakamura
- Department of Immunization, Vaccines and Biologicals, World Health Organization Headquarters, Geneva, Switzerland
- Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, United Kingdom
- School of Tropical Medicine and Global Health, Nagasaki University, Nagasaki, Japan
| | - Adam L. Cohen
- Department of Immunization, Vaccines and Biologicals, World Health Organization Headquarters, Geneva, Switzerland
| | - Jason M. Mwenda
- World Health Organization, Regional Office for Africa, Brazzaville, Congo
| | | | - Joseph N. M. Biey
- World Health Organization, Inter Country Support Team, Ouagadougou, Burkina Faso
| | - Keith Shaba
- World Health Organization, Regional Office for Africa, Brazzaville, Congo
| | - Gloria Rey-Benito
- Pan American Health Organization, World Health Organization, Washington District of Columbia, Washington, DC, United States of America
| | - Lucia Helena de Oliveira
- Pan American Health Organization, World Health Organization, Washington District of Columbia, Washington, DC, United States of America
| | - Maria Tereza da Costa Oliveira
- Pan American Health Organization, World Health Organization, Washington District of Columbia, Washington, DC, United States of America
| | - Claudia Ortiz
- Pan American Health Organization, World Health Organization, Washington District of Columbia, Washington, DC, United States of America
| | - Amany Ghoniem
- World Health Organization, Regional Office for the Eastern Mediterranean, Cairo, Egypt
| | - Kamal Fahmy
- World Health Organization, Regional Office for the Eastern Mediterranean, Cairo, Egypt
| | - Hossam A. Ashmony
- World Health Organization, Regional Office for the Eastern Mediterranean, Cairo, Egypt
| | - Dovile Videbaek
- World Health Organization, Regional Office for Europe, Copenhagen, Denmark
| | - Danni Daniels
- World Health Organization, Regional Office for Europe, Copenhagen, Denmark
| | - Roberta Pastore
- World Health Organization, Regional Office for Europe, Copenhagen, Denmark
| | - Simarjit Singh
- World Health Organization, Regional Office for Europe, Copenhagen, Denmark
| | - Emmanuel Tondo
- World Health Organization, Regional Office for South East Asia, Delhi, India
| | | | | | - Varja Grabovac
- World Health Organization, Regional Office for the Western Pacific, Manila, Philippines
| | - Nyambat Batmunkh
- World Health Organization, Regional Office for the Western Pacific, Manila, Philippines
| | - Josephine Logronio
- World Health Organization, Regional Office for the Western Pacific, Manila, Philippines
| | - George Armah
- Noguchi Memorial Institute for Medical Research, University of Ghana, Accra, Ghana
| | - Francis E. Dennis
- Noguchi Memorial Institute for Medical Research, University of Ghana, Accra, Ghana
| | - Mapaseka Seheri
- World Health Organization Regional Reference Laboratory for Rotavirus, Diarrhoeal Pathogens Research Unit, Department of Virology, Sefako Makgatho Health Sciences University, Pretoria, South Africa
| | - Nonkululeko Magagula
- World Health Organization Regional Reference Laboratory for Rotavirus, Diarrhoeal Pathogens Research Unit, Department of Virology, Sefako Makgatho Health Sciences University, Pretoria, South Africa
| | - Jeffrey Mphahlele
- World Health Organization Regional Reference Laboratory for Rotavirus, Diarrhoeal Pathogens Research Unit, Department of Virology, Sefako Makgatho Health Sciences University, Pretoria, South Africa
| | - Jose Paulo G. Leite
- Laboratory of Comparative and Environmental Virology, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, Brazil
| | - Irene T. Araujo
- Laboratory of Comparative and Environmental Virology, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, Brazil
| | - Tulio M. Fumian
- Laboratory of Comparative and Environmental Virology, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, Brazil
| | - Hanan EL Mohammady
- Bacterial and Parasitic Diseases Research Program, U.S. Naval Medical Research Unit-3, Cairo, Egypt
| | - Galina Semeiko
- Republican Research and Practical Center for Epidemiology and Microbiology, Minsk, Belarus
| | - Elena Samoilovich
- Republican Research and Practical Center for Epidemiology and Microbiology, Minsk, Belarus
| | - Sidhartha Giri
- Division of Gastrointestinal Sciences, The Wellcome Trust Research Laboratory, Christian Medical College, Vellore, India
| | - Gagandeep Kang
- Division of Gastrointestinal Sciences, The Wellcome Trust Research Laboratory, Christian Medical College, Vellore, India
| | - Sarah Thomas
- Enteric Diseases Group Murdoch Children’s Research Institute, Department of Paediatrics University of Melbourne, Parkville, Victoria, Australia
| | - Julie Bines
- Enteric Diseases Group Murdoch Children’s Research Institute, Department of Paediatrics University of Melbourne, Parkville, Victoria, Australia
| | - Carl D. Kirkwood
- Enteric Diseases Group Murdoch Children’s Research Institute, Department of Paediatrics University of Melbourne, Parkville, Victoria, Australia
| | - Na Liu
- National Institute for Viral Disease Control and Prevention, China CDC, Beijing, China
| | - Deog-Yong Lee
- Division of Viral Diseases, Bureau of Infectious Diseases Diagnosis Control, Korea Diseases Control and Prevention Agency, Osong, Korea
| | | | - Nicola Anne Page
- National Institute for Communicable Diseases, Centre for Enteric Disease, Johannesburg, South Africa
- Faculty of Health Sciences, Department of Medical Virology, University of Pretoria, Arcadia, Pretoria, South Africa
| | - Mathew D. Esona
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - M. Leanne Ward
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | | | | | | | | | - Jon Gentsch
- Retired Researcher, West Newton, Pennsylvania, United States of America
| | | | - Fatima Serhan
- Department of Immunization, Vaccines and Biologicals, World Health Organization Headquarters, Geneva, Switzerland
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Ortiz C, Khatiwada RS. Gravitational friction from d'Alembert's principle. Sci Rep 2023; 13:10364. [PMID: 37365225 DOI: 10.1038/s41598-023-36977-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 06/13/2023] [Indexed: 06/28/2023] Open
Abstract
The least action principle played a central role in the development of modern physics. A major drawback of the principle is that its applicability is limited to holonomic constraints. In the present work, we investigate the energy lost by particles as a result of the gravitational interaction in a homogeneous low-density medium subject to non-holonomic constraints. We perform the calculation for an arbitrary particle and outline the specific result for photons. The energy lost is calculated from first principles based on the principle of virtual work and the d'Alembert principle. Under the formalism mentioned above, the dissipative nature of the effect is established. Furthermore, we show that the results agree with an alternative derivation based on continuum mechanics and the Euler-Cauchy stress principle.
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Affiliation(s)
- C Ortiz
- Unidad Académica de Física, Universidad Autónoma de Zacatecas, 98060, Zacatecas, México.
| | - Raju S Khatiwada
- GoldenGate International College, Tribhuvan University, Kathmandu, 44600, Nepal
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Guillín Y, Cáceres M, Stashenko EE, Hidalgo W, Ortiz C. Untargeted Metabolomics for Unraveling the Metabolic Changes in Planktonic and Sessile Cells of Salmonella Enteritidis ATCC 13076 after Treatment with Lippia origanoides Essential Oil. Antibiotics (Basel) 2023; 12:antibiotics12050899. [PMID: 37237802 DOI: 10.3390/antibiotics12050899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/03/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023] Open
Abstract
Nontyphoidal Salmonella species are one of the main bacterial causes of foodborne diseases, causing a public health problem. In addition, the ability to form biofilms, multiresistance to traditional drugs, and the absence of effective therapies against these microorganisms are some of the principal reasons for the increase in bacterial diseases. In this study, the anti-biofilm activity of twenty essential oils (EOs) on Salmonella enterica serovar Enteritidis ATCC 13076 was evaluated, as well as the metabolic changes caused by Lippia origanoides thymol chemotype EO (LOT-II) on planktonic and sessile cells. The anti-biofilm effect was evaluated by the crystal violet staining method, and cell viability was evaluated through the XTT method. The effect of EOs was observed by scanning electron microscopy (SEM) analysis. Untargeted metabolomics analyses were conducted to determine the effect of LOT-II EO on the cellular metabolome. LOT-II EO inhibited S. Enteritidis biofilm formation by more than 60%, without decreasing metabolic activity. Metabolic profile analysis identified changes in the modulation of metabolites in planktonic and sessile cells after LOT-II EO treatment. These changes showed alterations in different metabolic pathways, mainly in central carbon metabolism and nucleotide and amino acid metabolism. Finally, the possible mechanism of action of L. origanoides EO is proposed based on a metabolomics approach. Further studies are required to advance at the molecular level on the cellular targets affected by EOs, which are promising natural products for developing new therapeutic agents against Salmonella sp. strains.
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Affiliation(s)
- Yuliany Guillín
- Escuela de Biología, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - Marlon Cáceres
- Escuela de Medicina, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - Elena E Stashenko
- Center for Chromatography and Mass Spectrometry CROM-MASS, School of Chemistry, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - William Hidalgo
- Escuela de Química, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - Claudia Ortiz
- Escuela de Microbiología y Bioanálisis, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
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Martínez A, Stashenko EE, Sáez RT, Zafra G, Ortiz C. Effect of Essential Oil from Lippia origanoides on the Transcriptional Expression of Genes Related to Quorum Sensing, Biofilm Formation, and Virulence of Escherichia coli and Staphylococcus aureus. Antibiotics (Basel) 2023; 12:antibiotics12050845. [PMID: 37237748 DOI: 10.3390/antibiotics12050845] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/25/2023] [Accepted: 04/28/2023] [Indexed: 05/28/2023] Open
Abstract
Microbial infections resistant to conventional antibiotics constitute one of the most important causes of mortality in the world. In some bacterial species, such as Escherichia coli and Staphylococcus aureus pathogens, biofilm formation can favor their antimicrobial resistance. These biofilm-forming bacteria produce a compact and protective matrix, allowing their adherence and colonization to different surfaces, and contributing to resistance, recurrence, and chronicity of the infections. Therefore, different therapeutic alternatives have been investigated to interrupt both cellular communication routes and biofilm formation. Among these, essential oils (EO) from Lippia origanoides thymol-carvacrol II chemotype (LOTC II) plants have demonstrated biological activity against different biofilm-forming pathogenic bacteria. In this work, we determined the effect of LOTC II EO on the expression of genes associated with quorum sensing (QS) communication, biofilm formation, and virulence of E. coli ATCC 25922 and S. aureus ATCC 29213. This EO was found to have high efficacy against biofilm formation, decreasing-by negative regulation-the expression of genes involved in motility (fimH), adherence and cellular aggregation (csgD), and exopolysaccharide production (pgaC) in E. coli. In addition, this effect was also determined in S. aureus where the L. origanoides EO diminished the expression of genes involved in QS communication (agrA), production of exopolysaccharides by PIA/PNG (icaA), synthesis of alpha hemolysin (hla), transcriptional regulators of the production of extracellular toxins (RNA III), QS and biofilm formation transcriptional regulators (sarA) and global regulators of biofilm formation (rbf and aur). Positive regulation was observed on the expression of genes encoding inhibitors of biofilm formation (e.g., sdiA and ariR). These findings suggest that LOTCII EO can affect biological pathways associated with QS communication, biofilm formation, and virulence of E. coli and S. aureus at subinhibitory concentrations and could be a promising candidate as a natural antibacterial alternative to conventional antibiotics.
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Affiliation(s)
- Andrés Martínez
- Grupo de Investigación en Bioquímica y Microbiología (GIBIM), Escuela de Microbiología, Facultad de Salud, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - Elena E Stashenko
- Escuela de Química, Centro de Cromatografía y Espectrometría de Masas (CROM-MASS), Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - Rodrigo Torres Sáez
- Grupo de Investigación en Bioquímica y Microbiología (GIBIM), Escuela de Microbiología, Facultad de Salud, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - German Zafra
- Grupo de Investigación en Bioquímica y Microbiología (GIBIM), Escuela de Microbiología, Facultad de Salud, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - Claudia Ortiz
- Grupo de Investigación en Bioquímica y Microbiología (GIBIM), Escuela de Microbiología, Facultad de Salud, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
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Cáceres M, Hidalgo W, Stashenko EE, Torres R, Ortiz C. Metabolomic Analysis of the Effect of Lippia origanoides Essential Oil on the Inhibition of Quorum Sensing in Chromobacterium violaceum. Antibiotics (Basel) 2023; 12:antibiotics12050814. [PMID: 37237719 DOI: 10.3390/antibiotics12050814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/21/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023] Open
Abstract
Bacteria can communicate through quorum sensing, allowing them to develop different survival or virulence traits that lead to increased bacterial resistance against conventional antibiotic therapy. Here, fifteen essential oils (EOs) were investigated for their antimicrobial and anti-quorum-sensing activities using Chromobacterium violaceum CV026 as a model. All EOs were isolated from plant material via hydrodistillation and analyzed using GC/MS. In vitro antimicrobial activity was determined using the microdilution technique. Subinhibitory concentrations were used to determine anti-quorum-sensing activity by inhibition of violacein production. Finally, a possible mechanism of action for most bioactive EOs was determined using a metabolomic approach. Among the EOs evaluated, the EO from Lippia origanoides exhibited antimicrobial and anti-quorum activities at 0.37 and 0.15 mg/mL, respectively. Based on the experimental results, the antibiofilm activity of EO can be attributed to the blockage of tryptophan metabolism in the metabolic pathway of violacein synthesis. The metabolomic analyses made it possible to see effects mainly at the levels of tryptophan metabolism, nucleotide biosynthesis, arginine metabolism and vitamin biosynthesis. This allows us to highlight the EO of L. origanoides as a promising candidate for further studies in the design of antimicrobial compounds against bacterial resistance.
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Affiliation(s)
- Marlon Cáceres
- Escuela de Medicina, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - William Hidalgo
- Escuela de Química, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - Elena E Stashenko
- Escuela de Química, Centro de Cromatografía y Espectrometría de Masas (CROM-MASS), Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - Rodrigo Torres
- Grupo de Investigación en Bioquímica y Microbiología, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
| | - Claudia Ortiz
- Escuela de Microbiología y Bioanálisis, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
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Ruiz-Duran J, Torres R, Stashenko EE, Ortiz C. Antifungal and Antibiofilm Activity of Colombian Essential Oils against Different Candida Strains. Antibiotics (Basel) 2023; 12:antibiotics12040668. [PMID: 37107030 PMCID: PMC10135359 DOI: 10.3390/antibiotics12040668] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 03/20/2023] [Accepted: 03/27/2023] [Indexed: 03/31/2023] Open
Abstract
Most Candida species are opportunistic pathogens with the ability to form biofilms, which increases their resistance to antifungal drug therapies and the host immune response. Essential oils (EOs) are an alternative for developing new antimicrobial drugs, due to their broad effect on cellular viability, cell communication, and metabolism. In this work, we evaluated the antifungal and antibiofilm potential of fifty EOs on C. albicans ATCC 10231, C. parapsilosis ATCC 22019, and Candida auris CDC B11903. The EOs’ antifungal activity was measured by means of a broth microdilution technique to determine the minimum inhibitory and fungicidal concentrations (MICs/MFCs) against the different Candida spp. strains. The effects on biofilm formation were determined by a crystal violet assay using 96-well round-bottom microplates incubated for 48 h at 35 °C. The EOs from Lippia alba (Verbenaceae family) carvone-limonene chemotype and L. origanoides exhibited the highest antifungal activity against C. auris. The L. origanoides EOs also presented antifungal and antibiofilm activity against all three Candida spp., thus representing a promising alternative for developing new antifungal products focused on yeast infections, especially those related to biofilm formation, virulence factors, and antimicrobial resistance.
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Derrick K, Ortiz C, Borrego M, Parker M, Walker J. Abstract No. 525 Investigation of an Ex Vivo Perfusion Model for Teaching Angiographic Procedures to Novice Trainees. J Vasc Interv Radiol 2023. [DOI: 10.1016/j.jvir.2022.12.383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2023] Open
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Borrego M, Ortiz C, Lopera J. Abstract No. 107 Developing a Training Model for Percutaneous Nephrostomy Placement under Ultrasound and Fluoroscopy Guidance. J Vasc Interv Radiol 2023. [DOI: 10.1016/j.jvir.2022.12.156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2023] Open
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Cornejo RA, Montoya J, Gajardo AIJ, Graf J, Alegría L, Baghetti R, Irarrázaval A, Santis C, Pavez N, Leighton S, Tomicic V, Morales D, Ruiz C, Navarrete P, Vargas P, Gálvez R, Espinosa V, Lazo M, Pérez-Araos RA, Garay O, Sepúlveda P, Martinez E, Bruhn A, Rossel N, Martin MJ, Medel JN, Oviedo V, Vera M, Torres V, Montes JM, Salazar Á, Muñoz C, Tala F, Migueles M, Ortiz C, Gómez F, Contreras L, Daviu I, Rodriguez Y, Ortiz C, Aquevedo A, Parada R, Vargas C, Gatica M, Guerrero D, Valenzuela A, Torrejón D. Continuous prolonged prone positioning in COVID-19-related ARDS: a multicenter cohort study from Chile. Ann Intensive Care 2022; 12:109. [PMCID: PMC9702866 DOI: 10.1186/s13613-022-01082-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 11/06/2022] [Indexed: 11/29/2022] Open
Abstract
Abstract
Background
Prone positioning is currently applied in time-limited daily sessions up to 24 h which determines that most patients require several sessions. Although longer prone sessions have been reported, there is scarce evidence about the feasibility and safety of such approach. We analyzed feasibility and safety of a continuous prolonged prone positioning strategy implemented nationwide, in a large cohort of COVID-19 patients in Chile.
Methods
Retrospective cohort study of mechanically ventilated COVID-19 patients with moderate-to-severe acute respiratory distress syndrome (ARDS), conducted in 15 Intensive Care Units, which adhered to a national protocol of continuous prone sessions ≥ 48 h and until PaO2:FiO2 increased above 200 mm Hg. The number and extension of prone sessions were registered, along with relevant physiologic data and adverse events related to prone positioning. The cohort was stratified according to the first prone session duration: Group A, 2–3 days; Group B, 4–5 days; and Group C, > 5 days. Multivariable regression analyses were performed to assess whether the duration of prone sessions could impact safety.
Results
We included 417 patients who required a first prone session of 4 (3–5) days, of whom 318 (76.3%) received only one session. During the first prone session the main adverse event was grade 1–2 pressure sores in 97 (23.9%) patients; severe adverse events were infrequent with 17 non-scheduled extubations (4.2%). 90-day mortality was 36.2%. Ninety-eight patients (24%) were classified as group C; they exhibited a more severe ARDS at baseline, as reflected by lower PaO2:FiO2 ratio and higher ventilatory ratio, and had a higher rate of pressure sores (44%) and higher 90-day mortality (48%). However, after adjustment for severity and several relevant confounders, prone session duration was not associated with mortality or pressure sores.
Conclusions
Nationwide implementation of a continuous prolonged prone positioning strategy for COVID-19 ARDS patients was feasible. Minor pressure sores were frequent but within the ranges previously described, while severe adverse events were infrequent. The duration of prone session did not have an adverse effect on safety.
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Covas Moschovas M, Jaber A, Perera R, Sandri M, Rogers T, Morales K, Ortiz C, Patel V. Simultaneous hernia repair in robotic-assisted radical prostatectomy is safe with low rates of mesh complications. EUR UROL SUPPL 2022. [DOI: 10.1016/s2666-1683(22)02258-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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13
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Cohen AL, Platts-Mills JA, Nakamura T, Operario DJ, Antoni S, Mwenda JM, Weldegebriel G, Rey-Benito G, de Oliveira LH, Ortiz C, Daniels DS, Videbaek D, Singh S, Njambe E, Sharifuzzaman M, Grabovac V, Nyambat B, Logronio J, Armah G, Dennis FE, Seheri ML, Magagula N, Mphahlele J, Fumian TM, Maciel ITA, Gagliardi Leite JP, Esona MD, Bowen MD, Samoilovich E, Semeiko G, Abraham D, Giri S, Praharaj I, Kang G, Thomas S, Bines J, Liu N, Kyu HH, Doxey M, Rogawski McQuade ET, McMurry TL, Liu J, Houpt ER, Tate JE, Parashar UD, Serhan F. Aetiology and incidence of diarrhoea requiring hospitalisation in children under 5 years of age in 28 low-income and middle-income countries: findings from the Global Pediatric Diarrhea Surveillance network. BMJ Glob Health 2022; 7:e009548. [PMID: 36660904 PMCID: PMC9445824 DOI: 10.1136/bmjgh-2022-009548] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 08/13/2022] [Indexed: 02/01/2023] Open
Abstract
INTRODUCTION Diarrhoea remains a leading cause of child morbidity and mortality. Systematically collected and analysed data on the aetiology of hospitalised diarrhoea in low-income and middle-income countries are needed to prioritise interventions. METHODS We established the Global Pediatric Diarrhea Surveillance network, in which children under 5 years hospitalised with diarrhoea were enrolled at 33 sentinel surveillance hospitals in 28 low-income and middle-income countries. Randomly selected stool specimens were tested by quantitative PCR for 16 causes of diarrhoea. We estimated pathogen-specific attributable burdens of diarrhoeal hospitalisations and deaths. We incorporated country-level incidence to estimate the number of pathogen-specific deaths on a global scale. RESULTS During 2017-2018, 29 502 diarrhoea hospitalisations were enrolled, of which 5465 were randomly selected and tested. Rotavirus was the leading cause of diarrhoea requiring hospitalisation (attributable fraction (AF) 33.3%; 95% CI 27.7 to 40.3), followed by Shigella (9.7%; 95% CI 7.7 to 11.6), norovirus (6.5%; 95% CI 5.4 to 7.6) and adenovirus 40/41 (5.5%; 95% CI 4.4 to 6.7). Rotavirus was the leading cause of hospitalised diarrhoea in all regions except the Americas, where the leading aetiologies were Shigella (19.2%; 95% CI 11.4 to 28.1) and norovirus (22.2%; 95% CI 17.5 to 27.9) in Central and South America, respectively. The proportion of hospitalisations attributable to rotavirus was approximately 50% lower in sites that had introduced rotavirus vaccine (AF 20.8%; 95% CI 18.0 to 24.1) compared with sites that had not (42.1%; 95% CI 33.2 to 53.4). Globally, we estimated 208 009 annual rotavirus-attributable deaths (95% CI 169 561 to 259 216), 62 853 Shigella-attributable deaths (95% CI 48 656 to 78 805), 36 922 adenovirus 40/41-attributable deaths (95% CI 28 469 to 46 672) and 35 914 norovirus-attributable deaths (95% CI 27 258 to 46 516). CONCLUSIONS Despite the substantial impact of rotavirus vaccine introduction, rotavirus remained the leading cause of paediatric diarrhoea hospitalisations. Improving the efficacy and coverage of rotavirus vaccination and prioritising interventions against Shigella, norovirus and adenovirus could further reduce diarrhoea morbidity and mortality.
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Affiliation(s)
- Adam L Cohen
- National Center for Immunization and Respiratory Diseases, Influenza Division, CDC, Atlanta, Georgia, USA
| | - James A Platts-Mills
- Division of Infectious Diseases and International Health, University of Virginia, Charlottesville, Virginia, USA
| | | | - Darwin J Operario
- Division of Infectious Diseases and International Health, University of Virginia, Charlottesville, Virginia, USA
| | | | - Jason M Mwenda
- World Health Organization Regional Office for Africa, Brazzaville, Congo
| | | | - Gloria Rey-Benito
- World Health Organization Regional Office for the Americas, Washington, DC, USA
| | - Lucia H de Oliveira
- World Health Organization Regional Office for the Americas, Washington, DC, USA
| | - Claudia Ortiz
- World Health Organization Regional Office for the Americas, Washington, DC, USA
| | - Danni S Daniels
- World Health Organization Regional Office for Europe, Copenhagen, Denmark
| | - Dovile Videbaek
- World Health Organization Regional Office for Europe, Copenhagen, Denmark
| | - Simarjit Singh
- World Health Organization Regional Office for Europe, Copenhagen, Denmark
| | - Emmanuel Njambe
- World Health Organization Regional Office for South-East Asia, New Delhi, India
| | | | - Varja Grabovac
- World Health Organization Regional Office for the Western Pacific, Manila, Philippines
| | - Batmunkh Nyambat
- World Health Organization Regional Office for the Western Pacific, Manila, Philippines
| | - Josephine Logronio
- World Health Organization Regional Office for the Western Pacific, Manila, Philippines
| | - George Armah
- University of Ghana Noguchi Memorial Institute for Medical Research, Accra, Ghana
| | - Francis E Dennis
- University of Ghana Noguchi Memorial Institute for Medical Research, Accra, Ghana
| | | | | | | | | | | | | | - Matthew D Esona
- Divison of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Michael D Bowen
- Divison of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Elena Samoilovich
- Republican Research and Practical Center for Epidemiology and Microbiology, Minsk, Belarus
| | - Galina Semeiko
- Republican Research and Practical Center for Epidemiology and Microbiology, Minsk, Belarus
| | | | | | - Ira Praharaj
- Indian Council of Medical Research Regiona lMedical Research Centre, Bhubaneswar, India
| | | | - Sarah Thomas
- Murdoch Children's Research Institute, Parkville, Victoria, Australia
| | - Julie Bines
- Murdoch Children's Research Institute, Parkville, Victoria, Australia
| | - Na Liu
- Chinese Center for Disease Control and Prevention, Beijing, China
| | - Hmwe H Kyu
- Institute for Health Metrics and Evaluation, Seattle, Washington, USA
| | - Matthew Doxey
- Institute for Health Metrics and Evaluation, Seattle, Washington, USA
| | | | - Timothy L McMurry
- Division of Infectious Diseases and International Health, University of Virginia, Charlottesville, Virginia, USA
| | - Jie Liu
- Division of Infectious Diseases and International Health, University of Virginia, Charlottesville, Virginia, USA
- Qingdao University, Qingdao, Shandong, China
| | - Eric R Houpt
- Division of Infectious Diseases and International Health, University of Virginia, Charlottesville, Virginia, USA
| | - Jacqueline E Tate
- Divison of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Umesh D Parashar
- Divison of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
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Guevara A, Ortiz C, James A. 677 Environmental justice & cutaneous sarcoidosis. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.05.688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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15
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Hartman RM, Cohen AL, Antoni S, Mwenda J, Weldegebriel G, Biey J, Shaba K, de Oliveira L, Rey G, Ortiz C, Tereza M, Fahmy K, Ghoniem A, Ashmony H, Videbaek D, Singh S, Tondo E, Sharifuzzaman M, Liyanage J, Batmunkh N, Grabovac V, Logronio J, Serhan F, Nakamura T. Risk Factors for Mortality Among Children Younger Than Age 5 Years With Severe Diarrhea in Low- and Middle-income Countries: Findings From the World Health Organization-coordinated Global Rotavirus and Pediatric Diarrhea Surveillance Networks. Clin Infect Dis 2022; 76:e1047-e1053. [PMID: 35797157 PMCID: PMC9907489 DOI: 10.1093/cid/ciac561] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 06/22/2022] [Accepted: 07/01/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Diarrhea is the second leading cause of death in children younger than 5 years of age globally. The burden of diarrheal mortality is concentrated in low-resource settings. Little is known about the risk factors for childhood death from diarrheal disease in low- and middle-income countries. METHODS Data from the World Health Organization (WHO)-coordinated Global Rotavirus and Pediatric Diarrhea Surveillance Networks, which are composed of active, sentinel, hospital-based surveillance sites, were analyzed to assess mortality in children <5 years of age who were hospitalized with diarrhea between 2008 and 2018. Case fatality risks were calculated, and multivariable logistic regression was performed to identify risk factors for mortality. RESULTS This analysis comprises 234 781 cases, including 1219 deaths, across 57 countries. The overall case fatality risk was found to be 0.5%. Risk factors for death in the multivariable analysis included younger age (for <6 months compared with older ages, odds ratio [OR] = 3.54; 95% confidence interval [CI], 2.81-4.50), female sex (OR = 1.18; 95% CI, 1.06-1.81), presenting with persistent diarrhea (OR = 1.91; 95% CI, 1.01-3.25), no vomiting (OR = 1.13; 95% CI, .98-1.30), severe dehydration (OR = 3.79; 95% CI, 3.01-4.83), and being negative for rotavirus on an enzyme-linked immunosorbent assay test (OR = 2.29; 95% CI, 1.92-2.74). Cases from the African Region had the highest odds of death compared with other WHO regions (OR = 130.62 comparing the African Region with the European Region; 95% CI, 55.72-422.73), whereas cases from the European Region had the lowest odds of death. CONCLUSIONS Our findings support known risk factors for childhood diarrheal mortality and highlight the need for interventions to address dehydration and rotavirus-negative diarrheal infections.
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Affiliation(s)
- Rachel M Hartman
- Department of Immunization, Vaccines and Biologicals, World Health Organization, Geneva, Switzerland,Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, USA
| | - Adam L Cohen
- Department of Immunization, Vaccines and Biologicals, World Health Organization, Geneva, Switzerland
| | - Sebastien Antoni
- Department of Immunization, Vaccines and Biologicals, World Health Organization, Geneva, Switzerland
| | - Jason Mwenda
- Department of Vaccine Preventable Diseases Program, World Health Organization Regional Office for Africa, Brazzaville, Congo Republic
| | - Goitom Weldegebriel
- Department of Immunization, Vaccines and Biologicals, World Health Organization Regional Office for Africa, Inter-Support Team for East and South Africa, Harare, Zimbabwe
| | - Joseph Biey
- Department of Vaccine Preventable Diseases, World Health Organization Regional Office for Africa, Inter-Support Team for West Africa, Ouagadougou, Burkina Faso
| | - Keith Shaba
- Department of Vaccine Preventable Diseases Program, World Health Organization Regional Office for Africa, Brazzaville, Congo Republic
| | - Lucia de Oliveira
- Pan American Health Organization/Department of Family, Health Promotion, and Life Course, World Health Organization Regional Office for the Americas, Comprehensive Family Immunization Unit, Washington, DC, USA
| | - Gloria Rey
- Pan American Health Organization/Department of Family, Health Promotion, and Life Course, World Health Organization Regional Office for the Americas, Comprehensive Family Immunization Unit, Washington, DC, USA
| | - Claudia Ortiz
- Pan American Health Organization/Department of Family, Health Promotion, and Life Course, World Health Organization Regional Office for the Americas, Comprehensive Family Immunization Unit, Washington, DC, USA
| | - Maria Tereza
- Pan American Health Organization/Department of Family, Health Promotion, and Life Course, World Health Organization Regional Office for the Americas, Comprehensive Family Immunization Unit, Washington, DC, USA
| | - Kamal Fahmy
- Department of Communicable Diseases, Immunization, Vaccines and Biologicals Unit, World Health Organization Eastern Mediterranean Office, Cairo, Egypt
| | - Amany Ghoniem
- Department of Communicable Diseases, Immunization, Vaccines and Biologicals Unit, World Health Organization Eastern Mediterranean Office, Cairo, Egypt
| | - Hossam Ashmony
- Department of Communicable Diseases, Immunization, Vaccines and Biologicals Unit, World Health Organization Eastern Mediterranean Office, Cairo, Egypt
| | - Dovile Videbaek
- Division of Country Health Programmes, Vaccine-Preventable Diseases and Immunization Unit, World Health Organization European Regional Office, Copenhagen, Denmark
| | - Simarjit Singh
- Division of Country Health Programmes, Vaccine-Preventable Diseases and Immunization Unit, World Health Organization European Regional Office, Copenhagen, Denmark
| | - Emmanuel Tondo
- Department of Immunization and Vaccine Development, World Health Organization South-East Asia Regional Office, New Delhi, India
| | - Mohammed Sharifuzzaman
- Department of Immunization and Vaccine Development, World Health Organization South-East Asia Regional Office, New Delhi, India
| | - Jayantha Liyanage
- Department of Immunization and Vaccine Development, World Health Organization South-East Asia Regional Office, New Delhi, India
| | - Nyambat Batmunkh
- Division of Programmes for Diseases Control, Vaccine Preventable Diseases and Immunization, World Health Organization Western Pacific Regional Office, Manila, Philippines
| | - Varja Grabovac
- Division of Programmes for Diseases Control, Vaccine Preventable Diseases and Immunization, World Health Organization Western Pacific Regional Office, Manila, Philippines
| | - Josephine Logronio
- Division of Programmes for Diseases Control, Vaccine Preventable Diseases and Immunization, World Health Organization Western Pacific Regional Office, Manila, Philippines
| | - Fatima Serhan
- Department of Immunization, Vaccines and Biologicals, World Health Organization, Geneva, Switzerland
| | - Tomoka Nakamura
- Correspondence: T. Nakamura, Department of Immunization, Vaccines and Biologicals, World Health Organization, WHO Headquarters, Avenue Appia 20, 1211, Geneva, Switzerland ()
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Joseph A, Clothier W, Hernandez J, Madsen C, Kouam J, Ortiz C, Parker M, Walker J, Lopera J. Abstract No. 86 Distal glue splenic artery embolization versus other embolics: a single-center analysis. J Vasc Interv Radiol 2022. [DOI: 10.1016/j.jvir.2022.03.167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Derrick K, Ortiz C, Funk P, Dang A, Fanous N, Lugosi S, Bunegin L, Borrego M, Parker M, Walker J, Lopera J. Abstract No. 61 Assessing probe orientation and renal collecting system injury during microwave ablation in a perfused ex vivo porcine model. J Vasc Interv Radiol 2022. [DOI: 10.1016/j.jvir.2022.03.142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Puertas EB, Velandia-Gonzalez M, Vulanovic L, Bayley L, Broome K, Ortiz C, Rise N, Vera Antelo M, Rhoda DA. Concerns, attitudes, and intended practices of Caribbean healthcare workers concerning COVID-19 vaccination: A cross-sectional study. Lancet Reg Health Am 2022; 9:100193. [PMID: 35136868 PMCID: PMC8812828 DOI: 10.1016/j.lana.2022.100193] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND The Caribbean has a long history of being a global leader in immunization, and one factor contributing to this success has been the commitment of healthcare workers in promoting the benefits of vaccines. Healthcare workers play a critical role in building trust between the public and the immunization program and are generally cited as the most trusted source of information on vaccination. Healthcare workers themselves, therefore, must be confident in vaccination as a public health good and able to transmit this confidence to those who trust them. However, just as with the general public, healthcare workers develop confidence at different rates and may be susceptible to misinformation about vaccines. METHODS During April and May 2021, the Pan American Health Organization (PAHO) conducted a mixed-methods survey to assess vaccination attitudes, opinions, and reasoning of 1197 healthcare workers across 14 Caribbean countries. FINDINGS Seventy-seven percent of respondents expressed clear intention to be vaccinated for COVID-19 as soon as possible. Intention to be vaccinated as soon as possible was expressed by lower proportions of nurses (66%) and allied health professionals (62%) than physicians (85%) and by younger respondents than older ones (64% vs. 85%, respectively; p < 0.001 for all these comparisons). Across 32 questions about attitudes and opinions, vaccine hesitancy was consistently expressed by higher proportions of nurses and allied health professionals than physicians and by younger respondents than older ones. INTERPRETATION Insights from the survey are helping PAHO address healthcare worker concerns with informative messages and supporting countries in policy development to increase vaccine confidence and coverage among Caribbean healthcare workers. FUNDING This work has been sponsored by the World Health Organization/Pan American Health Organization, the Government of Germany and The Gavi Alliance.
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Affiliation(s)
- E Benjamin Puertas
- Pan American Health Organization, Office of the Subregional Program Coordination, Caribbean, Bridgetown, Barbados
| | - Martha Velandia-Gonzalez
- Pan American Health Organization, Family, Health Promotion and Life Course Department, Comprehensive Family Immunization Unit, Washington, DC, USA
| | - Lauren Vulanovic
- Pan American Health Organization, Family, Health Promotion and Life Course Department, Comprehensive Family Immunization Unit, Washington, DC, USA
| | - Lisa Bayley
- Pan American Health Organization, Office of the Subregional Program Coordination, Caribbean, Bridgetown, Barbados
| | - Karen Broome
- Pan American Health Organization, Office of the Subregional Program Coordination, Caribbean, Bridgetown, Barbados
| | - Claudia Ortiz
- Pan American Health Organization, Family, Health Promotion and Life Course Department, Comprehensive Family Immunization Unit, Washington, DC, USA
| | - Nina Rise
- Pan American Health Organization, Office of the Subregional Program Coordination, Caribbean, Bridgetown, Barbados
| | - Maite Vera Antelo
- Pan American Health Organization, Family, Health Promotion and Life Course Department, Comprehensive Family Immunization Unit, Washington, DC, USA
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Parada R, Mendoza L, Cotoras M, Ortiz C. Endophytic fungi isolated from plants present on a mine tailing facility show a differential growth response to lead. Lett Appl Microbiol 2022; 75:345-354. [PMID: 35486037 DOI: 10.1111/lam.13730] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 04/08/2022] [Accepted: 04/25/2022] [Indexed: 11/27/2022]
Abstract
Plants growing in metal polluted sites can be a source of microorganisms suitable for bio-assisted phytoremediation strategies. In this work, three endophytic fungi from the roots of Poa stuckertii and Poa pratensis, two grasses that naturally colonize a Lead-Zinc tailing storage facility in Southern Chile, were isolated and identified. The leachate of the tailing sands showed a Pb content of 1.36 ± 0.71 ppm, and a pH of 7.3. By amplifying the ITS1/ITS4 region of fungal ribosomal DNA, the isolates were identified as Bjerkandera sp., Microdochium sp. and Sarocladium sp. When the growth media was supplemented with 50 ppm of Pb at pH 4.5, Microdochium sp. showed an 80% decrease in the biomass, but the biomass production of Bjerkandera sp. and Sarocladium sp. was not affected by the same treatment. The accumulation of Pb in Microdochium sp. increased as a function of the concentration of the metal in the growth media, between 48.3 μM and 241.3 μM. We showed that two Poaceae plants growing on a Lead-Zinc tailing storage facility are a source of endophyte fungi, and that Pb had a differential effect on the growth of the isolated fungi independent of the plant of origin.
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Affiliation(s)
- Rodolfo Parada
- Facultad de Química y Biología Universidad de Santiago de Chile, Santiago, Chile Av. Bernardo O´Higgins 3363, Post-code 9170022, Estación Central, Chile
| | - Leonora Mendoza
- Facultad de Química y Biología Universidad de Santiago de Chile, Santiago, Chile Av. Bernardo O´Higgins 3363, Post-code 9170022, Estación Central, Chile
| | - Milena Cotoras
- Facultad de Química y Biología Universidad de Santiago de Chile, Santiago, Chile Av. Bernardo O´Higgins 3363, Post-code 9170022, Estación Central, Chile
| | - Claudia Ortiz
- Facultad de Química y Biología Universidad de Santiago de Chile, Santiago, Chile Av. Bernardo O´Higgins 3363, Post-code 9170022, Estación Central, Chile
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Nakamura T, Cohen AL, Schwartz S, Mwenda JM, Weldegebriel G, Biey JNM, Katsande R, Ghoniem A, Fahmy K, Rahman HA, Videbaek D, Daniels D, Singh S, Wasley A, Rey-Benito G, de Oliveira L, Ortiz C, Tondo E, Liyanage JBL, Sharifuzzaman M, Grabovac V, Batmunkh N, Logronio J, Heffelfinger J, Fox K, De Gouveia L, von Gottberg A, Du Plessis M, Kwambana-Adams B, Antonio M, El Gohary S, Azmy A, Gamal A, Voropaeva E, Egorova E, Urban Y, Duarte C, Veeraraghavan B, Saha S, Howden B, Sait M, Jung S, Bae S, Litt D, Seaton S, Slack M, Antoni S, Ouattara M, Van Beneden C, Serhan F. The Global Landscape of Pediatric Bacterial Meningitis Data Reported to the World Health Organization-Coordinated Invasive Bacterial Vaccine-Preventable Disease Surveillance Network, 2014-2019. J Infect Dis 2021; 224:S161-S173. [PMID: 34469555 PMCID: PMC8409679 DOI: 10.1093/infdis/jiab217] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND The World Health Organization (WHO) coordinates the Global Invasive Bacterial Vaccine-Preventable Diseases (IB-VPD) Surveillance Network to support vaccine introduction decisions and use. The network was established to strengthen surveillance and laboratory confirmation of meningitis caused by Streptococcus pneumoniae, Haemophilus influenzae, and Neisseria meningitidis. METHODS Sentinel hospitals report cases of children <5 years of age hospitalized for suspected meningitis. Laboratories report confirmatory testing results and strain characterization tested by polymerase chain reaction. In 2019, the network included 123 laboratories that follow validated, standardized testing and reporting strategies. RESULTS From 2014 through 2019, >137 000 suspected meningitis cases were reported by 58 participating countries, with 44.6% (n = 61 386) reported from countries in the WHO African Region. More than half (56.6%, n = 77 873) were among children <1 year of age, and 4.0% (n = 4010) died among those with reported disease outcome. Among suspected meningitis cases, 8.6% (n = 11 798) were classified as probable bacterial meningitis. One of 3 bacterial pathogens was identified in 30.3% (n = 3576) of these cases, namely S. pneumoniae (n = 2177 [60.9%]), H. influenzae (n = 633 [17.7%]), and N. meningitidis (n = 766 [21.4%]). Among confirmed bacterial meningitis cases with outcome reported, 11.0% died; case fatality ratio varied by pathogen (S. pneumoniae, 12.2%; H. influenzae, 6.1%; N. meningitidis, 11.0%). Among the 277 children who died with confirmed bacterial meningitis, 189 (68.2%) had confirmed S. pneumoniae. The proportion of pneumococcal cases with pneumococcal conjugate vaccine (PCV) serotypes decreased as the number of countries implementing PCV increased, from 77.8% (n = 273) to 47.5% (n = 248). Of 397 H. influenzae specimens serotyped, 49.1% (n = 195) were type b. Predominant N. meningitidis serogroups varied by region. CONCLUSIONS This multitier, global surveillance network has supported countries in detecting and serotyping the 3 principal invasive bacterial pathogens that cause pediatric meningitis. Streptococcus pneumoniae was the most common bacterial pathogen detected globally despite the growing number of countries that have nationally introduced PCV. The large proportions of deaths due to S. pneumoniae reflect the high proportion of meningitis cases caused by this pathogen. This global network demonstrated a strong correlation between PCV introduction status and reduction in the proportion of pneumococcal meningitis infections caused by vaccine serotypes. Maintaining case-based, active surveillance with laboratory confirmation for prioritized vaccine-preventable diseases remains a critical component of the global agenda in public health.The World Health Organization (WHO)-coordinated Invasive Bacterial Vaccine-Preventable Disease (IB-VPD) Surveillance Network reported data from 2014 to 2019, contributing to the estimates of the disease burden and serotypes of pediatric meningitis caused by Streptococcus pneumoniae, Haemophilus influenzae and Neisseria meningitidis.
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Affiliation(s)
- Tomoka Nakamura
- Department of Immunization, Vaccines and Biologicals, World Health Organization, Geneva, Switzerland
| | - Adam L Cohen
- Department of Immunization, Vaccines and Biologicals, World Health Organization, Geneva, Switzerland
| | - Stephanie Schwartz
- Division of Bacterial Diseases, US Centers for Disease Control and Prevention, Global Reference Laboratory for the WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, National Center for Immunization and Respiratory Disease, Atlanta, Georgia, USA
| | - Jason M Mwenda
- Department of Vaccine Preventable Diseases Program, World Health Organization Regional Office for Africa, Brazzaville, Congo Republic
| | - Goitom Weldegebriel
- Department of Immunization, Vaccines and Biologicals, World Health Organization Regional Office for Africa, Inter-Support Team for East and South Africa, Harare, Zimbabwe
| | - Joseph N M Biey
- Department of Vaccine Preventable Diseases, World Health Organization Regional Office for Africa, Inter-Support Team for West Africa, Ouagadougou, Burkina Faso
| | - Reggis Katsande
- Department of Vaccine Preventable Diseases Program, World Health Organization Regional Office for Africa, Brazzaville, Congo Republic
| | - Amany Ghoniem
- Department of Communicable Diseases, Immunization, Vaccines and Biologicals Unit, World Health Organization Eastern Mediterranean Office, Cairo, Egypt
| | - Kamal Fahmy
- Department of Communicable Diseases, Immunization, Vaccines and Biologicals Unit, World Health Organization Eastern Mediterranean Office, Cairo, Egypt
| | - Hossam Abdel Rahman
- Department of Communicable Diseases, Immunization, Vaccines and Biologicals Unit, World Health Organization Eastern Mediterranean Office, Cairo, Egypt
| | - Dovile Videbaek
- Division of Country Health Programmes, Vaccine-Preventable Diseases and Immunization Unit, World Health Organization European Regional Office, Copenhagen, Denmark
| | - Danni Daniels
- Division of Country Health Programmes, Vaccine-Preventable Diseases and Immunization Unit, World Health Organization European Regional Office, Copenhagen, Denmark
| | - Simarjit Singh
- Division of Country Health Programmes, Vaccine-Preventable Diseases and Immunization Unit, World Health Organization European Regional Office, Copenhagen, Denmark
| | - Annemarie Wasley
- Division of Country Health Programmes, Vaccine-Preventable Diseases and Immunization Unit, World Health Organization European Regional Office, Copenhagen, Denmark
| | - Gloria Rey-Benito
- Pan American Health Organization/Department of Family, Health Promotion, and Life Course, World Health Organization Regional Office for the Americas, Comprehensive Family Immunization Unit, Washington DC, USA
| | - Lucia de Oliveira
- Pan American Health Organization/Department of Family, Health Promotion, and Life Course, World Health Organization Regional Office for the Americas, Comprehensive Family Immunization Unit, Washington DC, USA
| | - Claudia Ortiz
- Pan American Health Organization/Department of Family, Health Promotion, and Life Course, World Health Organization Regional Office for the Americas, Comprehensive Family Immunization Unit, Washington DC, USA
| | - Emmanuel Tondo
- Department of Immunization and Vaccine Development, World Health Organization South-East Asia Regional Office, New Delhi, India
| | - Jayantha B L Liyanage
- Department of Immunization and Vaccine Development, World Health Organization South-East Asia Regional Office, New Delhi, India
| | - Mohammad Sharifuzzaman
- Department of Immunization and Vaccine Development, World Health Organization South-East Asia Regional Office, New Delhi, India
| | - Varja Grabovac
- Division of Programmes for Diseases Control, Vaccine Preventable Diseases and Immunization, World Health Organization Western Pacific Regional Office, Manila, Philippines
| | - Nyambat Batmunkh
- Division of Programmes for Diseases Control, Vaccine Preventable Diseases and Immunization, World Health Organization Western Pacific Regional Office, Manila, Philippines
| | - Josephine Logronio
- Division of Programmes for Diseases Control, Vaccine Preventable Diseases and Immunization, World Health Organization Western Pacific Regional Office, Manila, Philippines
| | - James Heffelfinger
- Division of Programmes for Diseases Control, Vaccine Preventable Diseases and Immunization, World Health Organization Western Pacific Regional Office, Manila, Philippines
| | - Kimberly Fox
- Division of Programmes for Diseases Control, Vaccine Preventable Diseases and Immunization, World Health Organization Western Pacific Regional Office, Manila, Philippines
| | - Linda De Gouveia
- Division of the National Health Laboratory Service, National Institute for Communicable Diseases, African Regional Reference Laboratory For The WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, Centre for Respiratory Diseases and Meningitis, Johannesburg, South Africa
| | - Anne von Gottberg
- Division of the National Health Laboratory Service, National Institute for Communicable Diseases, African Regional Reference Laboratory For The WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, Centre for Respiratory Diseases and Meningitis, Johannesburg, South Africa
- University of the Witwatersrand, School of Pathology, Faculty of Health Sciences, Johannesburg, South Africa
| | - Mignon Du Plessis
- Division of the National Health Laboratory Service, National Institute for Communicable Diseases, African Regional Reference Laboratory For The WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, Centre for Respiratory Diseases and Meningitis, Johannesburg, South Africa
- University of the Witwatersrand, School of Pathology, Faculty of Health Sciences, Johannesburg, South Africa
| | - Brenda Kwambana-Adams
- Medical Research Council Unit The Gambia at the London School of Hygiene and Tropical Medicine, WHO Collaborating Centre for New Vaccines Surveillance and African Regional Reference Laboratory for the WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, Fajara, Banjul, The Gambia
| | - Martin Antonio
- Medical Research Council Unit The Gambia at the London School of Hygiene and Tropical Medicine, WHO Collaborating Centre for New Vaccines Surveillance and African Regional Reference Laboratory for the WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, Fajara, Banjul, The Gambia
| | - Samaa El Gohary
- Department of Clinical Bacteriology Development, Central Public Health Laboratories, Eastern Mediterranean Region Regional Reference Laboratory for the WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, Cairo, Egypt
| | - Aya Azmy
- Department of Clinical Bacteriology Development, Central Public Health Laboratories, Eastern Mediterranean Region Regional Reference Laboratory for the WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, Cairo, Egypt
| | - Asmaa Gamal
- Department of Clinical Bacteriology Development, Central Public Health Laboratories, Eastern Mediterranean Region Regional Reference Laboratory for the WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, Cairo, Egypt
| | - Elena Voropaeva
- G.N. Gabrichevsky Research Institute for Epidemiology and Microbiology, Laboratory of Clinical Microbiology and Biotechnology, European Regional Reference Laboratory for the WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, Moscow, Russian Federation
| | - Ekaterina Egorova
- G.N. Gabrichevsky Research Institute for Epidemiology and Microbiology, Laboratory of Clinical Microbiology and Biotechnology, European Regional Reference Laboratory for the WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, Moscow, Russian Federation
| | - Yulia Urban
- G.N. Gabrichevsky Research Institute for Epidemiology and Microbiology, Laboratory of Clinical Microbiology and Biotechnology, European Regional Reference Laboratory for the WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, Moscow, Russian Federation
| | - Carolina Duarte
- Instituto Nacional de Salud, Dirección de Redes en Salud Pública, Regional Reference Laboratory for the WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, Bogotá, D.C., Colombia
| | - Balaji Veeraraghavan
- Department of Clinical Microbiology, Christian Medical College and Hospital, South-East Asia Regional Reference Laboratory for the WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, Vellore, Tamil Nadu, India
| | - Samir Saha
- Department of Microbiology, Bangladesh Institute of Child Health and Child Health Research Foundation, South-East Asia Region National Laboratory for the WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, Dhaka, Bangladesh
| | - Ben Howden
- The Peter Doherty Institute for Infection and Immunity, Microbiological Diagnostic Unit Public Health Laboratory, Western Pacific Region Regional Reference Laboratory for the WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, Melbourne, Australia
| | - Michelle Sait
- The Peter Doherty Institute for Infection and Immunity, Microbiological Diagnostic Unit Public Health Laboratory, Western Pacific Region Regional Reference Laboratory for the WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, Melbourne, Australia
| | - Sangoun Jung
- Division of Bacterial Disease, Korea Disease Control and Prevention Agency, Western Pacific Region Regional Reference Laboratory for the WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, Cheongju-Si, Chungcheongbuk-do, Republic of Korea
| | - Songmee Bae
- Division of Tuberculosis and Bacterial Respiratory Infections, Korea Disease Control and Prevention Agency, Western Pacific Region Regional Reference Laboratory for the WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, Cheongju-Si, Chungcheongbuk-do, Republic of Korea
| | - David Litt
- Public Health England, Respiratory and Vaccine Preventable Bacteria Reference Unit, WHO Collaborating Center for Haemophilius and Streptococcus pneumoniae, London, United Kingdom
| | - Shila Seaton
- Public Health England, United Kingdom National External Quality Assessment Services, London, United Kingdom
| | - Mary Slack
- Public Health England, Respiratory and Vaccine Preventable Bacteria Reference Unit, WHO Collaborating Center for Haemophilius and Streptococcus pneumoniae, London, United Kingdom
| | - Sebastien Antoni
- Department of Immunization, Vaccines and Biologicals, World Health Organization, Geneva, Switzerland
| | - Mahamoudou Ouattara
- Division of Bacterial Diseases, US Centers for Disease Control and Prevention, Global Reference Laboratory for the WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, National Center for Immunization and Respiratory Disease, Atlanta, Georgia, USA
| | - Chris Van Beneden
- Division of Bacterial Diseases, US Centers for Disease Control and Prevention, Global Reference Laboratory for the WHO-coordinated Invasive Bacterial Vaccine Preventable Disease Surveillance Network, National Center for Immunization and Respiratory Disease, Atlanta, Georgia, USA
| | - Fatima Serhan
- Department of Immunization, Vaccines and Biologicals, World Health Organization, Geneva, Switzerland
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Saoudi Gonzalez N, Papakonstantinou A, Pimentel I, Suñol A, Bellet M, Zamora E, Ortiz C, Saura Manich C, Villacampa Javierre G, Antunes De Melo e Oliveira A. 152P Meta-analysis of the prognostic value of circulating tumor DNA (ctDNA) in patients (pts) with early breast cancer (EBC). Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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22
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Garcia Castano A, Muñoz Couselo E, Soria A, Lavernia J, Sanmartin O, Cañueto J, Ayala de Miguel P, Beá Ardébol S, Bellido Hernández L, Fernández-de-Misa Cabrera R, Cunquero-Tomás A, Fernández Franco L, Férnandez-Freire Leal A, Mujika Eizmendi K, Ortiz C, Redondo P, Romero I, Serrano Fernández M, Medina Martínez J. 1061P Safety of cemiplimab for advanced cutaneous squamous cell carcinoma: The Spanish named patient programme. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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23
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Ortiz C, Bitar R, Garza L, Parker M, Hyman C, Suri R, Song H, Walker J, Lopera J. Abstract No. 171 Validating an ex-vivo bovine kidney pulsatile perfusion model with micro-CT evaluation of distal angioembolization. J Vasc Interv Radiol 2021. [DOI: 10.1016/j.jvir.2021.03.177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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24
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Smith M, Quirarte J, Seiber J, Hyman C, Parker M, Ortiz C, Walker J, Kroma G. Abstract No. 224 Evaluation of integrated interventional radiology residency websites: comparative cross-sectional analysis from 2017 to 2020. J Vasc Interv Radiol 2021. [DOI: 10.1016/j.jvir.2021.03.230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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25
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Bitar R, Ortiz C, Garza L, Parker M, Lopera J, Walker J, Phillips W. Abstract No. 36 A novel method for loading Tc-99m and R-186 into alginate microspheres for radioembolization. J Vasc Interv Radiol 2021. [DOI: 10.1016/j.jvir.2021.03.452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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26
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Bitar R, Garza L, Parker M, Ortiz C, Suri R, Lopera J, Song H, Walker J. Abstract No. 130 Evaluation of an experimental radiopaque microsphere in an ex vivo perfusion model. J Vasc Interv Radiol 2021. [DOI: 10.1016/j.jvir.2021.03.136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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27
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Garza L, Ding E, Krishnakumar H, Parker M, Hyman C, Ortiz C, Walker J. Abstract No. 154 Medical crowdfunding for interventional oncology treatments. J Vasc Interv Radiol 2021. [DOI: 10.1016/j.jvir.2021.03.160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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28
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Ortiz C, Herman E, James AJ. Antiracism plan in dermatology. Br J Dermatol 2021; 185:428-429. [PMID: 33864243 DOI: 10.1111/bjd.20390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 04/09/2021] [Accepted: 04/12/2021] [Indexed: 11/28/2022]
Affiliation(s)
- C Ortiz
- University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - E Herman
- Department of Dermatology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - A J James
- Department of Dermatology, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
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Sarmiento E, Zatarain E, Jaramillo M, Navarro J, Sousa I, Ortiz C, Navas P, Carbone J. Lower Titers of IgA Antibodies to Pneumococcal Polysaccharide Antigens after Vaccination are a Risk Factor for Development of Bacterial Infection after Heart Transplantation. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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Olea F, Rosales G, Quintriqueo A, Romero J, Pizarro J, Ortiz C, Quijada-Maldonado E. Theoretical prediction of selectivity in solvent extraction of La(III) and Ce(III) from aqueous solutions using β-diketones as extractants and kerosene and two imidazolium-based ionic liquids as diluents via quantum chemistry and COSMO-RS calculations. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.114655] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Mateo C, Pessela BCC, Fuentes M, Torres R, Ortiz C, López-Gallego F, Betancor L, Alonso-Morales N, Guisan JM, Fernandez-Lafuente R. Very Strong but Reversible Immobilization of Enzymes on Supports Coated with Ionic Polymers. Methods Mol Biol 2021; 2100:129-141. [PMID: 31939120 DOI: 10.1007/978-1-0716-0215-7_8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
In this chapter, the properties of tailor-made anionic exchanger resins based on films of large polyethylenimine polymers (e.g., molecular weight 25,000) as supports for strong but reversible immobilization of proteins are shown. The polymer is completely coated, via covalent immobilization, the surface of different porous supports. Proteins can interact with this polymeric bed, involving a large percentage of the protein surface in the adsorption. Different enzymes have been very strongly adsorbed on these supports, retaining enzyme activities. On the other hand, adsorption is very strong and the derivatives may be used under a wide range of pH and ionic strengths. These supports may be useful even to stabilize multimeric enzymes, by involving several enzyme subunits in the immobilization.
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Affiliation(s)
- Cesar Mateo
- Institute of Catalysis, CSIC, Campus UAM-Cantoblanco, Madrid, Spain
| | | | - Manuel Fuentes
- Institute of Catalysis, CSIC, Campus UAM-Cantoblanco, Madrid, Spain
| | - Rodrigo Torres
- Institute of Catalysis, CSIC, Campus UAM-Cantoblanco, Madrid, Spain
| | - Claudia Ortiz
- Institute of Catalysis, CSIC, Campus UAM-Cantoblanco, Madrid, Spain
| | - Fernando López-Gallego
- Department of Biocatalysis, Institute of Catalysis and Petrochemistry (ICP) CSIC, Campus UAM, Madrid, Spain.,Departamento de Química Orgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH) CSIC-Universidad de Zaragoza, Zaragoza, Spain
| | - Lorena Betancor
- Institute of Catalysis, CSIC, Campus UAM-Cantoblanco, Madrid, Spain
| | | | - Jose M Guisan
- Institute of Catalysis, CSIC, Campus UAM-Cantoblanco, Madrid, Spain
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Gómez-Sequeda N, Cáceres M, Stashenko EE, Hidalgo W, Ortiz C. Antimicrobial and Antibiofilm Activities of Essential Oils against Escherichia coli O157:H7 and Methicillin-Resistant Staphylococcus aureus (MRSA). Antibiotics (Basel) 2020; 9:antibiotics9110730. [PMID: 33114324 PMCID: PMC7690905 DOI: 10.3390/antibiotics9110730] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 10/06/2020] [Accepted: 10/23/2020] [Indexed: 11/16/2022] Open
Abstract
The emergence of multidrug resistant microorganisms represents a global challenge due to the lack of new effective antimicrobial agents. In this sense, essential oils (EOs) are an alternative to be considered because of their anti-inflammatory, antiviral, antibacterial, and antibiofilm biological activities. Therefore, multiple efforts have been made to consider the potential use of EOs in the treatment of infections which are caused by resistant microorganisms. In this study, 15 EOs of both Colombian and introduced aromatic plants were evaluated against pathogenic strains of E. coli O157:H7 and methicillin resistant Staphylococcus aureus (MRSA) in planktonic and sessile states in order to identify relevant and promising alternatives for the treatment of microbial infections. Forty different compounds were identified in the 15 EO with nine of them constituted mainly by oxygenated monoterpenes (OM). EOs from Lippia origanoides, chemotypes thymol, and carvacrol, displayed the highest antibacterial activity against E. coli O157:H7 (MIC50 = 0.9 and 0.3 mg/mL, respectively) and MRSA (MIC50 = 1.2 and 0.6 mg/mL, respectively). These compounds from EOs had also the highest antibiofilm activity (inhibition percentage > 70.3%). Using scanning electron microscopy (SEM), changes in the size and morphology of both bacteria were observed when they were exposed to sub-inhibitory concentrations of L. origanoides EO carvacrol chemotype. EOs from L. origanoides, thymol, and carvacrol chemotypes represented a viable alternative for the treatment of microbial infections; however, the Selectivity Index (SI ≤ 3) indicated that it was necessary to study alternatives to reduce its in vitro cytotoxicity.
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Affiliation(s)
- Nicolás Gómez-Sequeda
- Grupo de Investigación en Bioquímica y Microbiología (GIBIM), Universidad Industrial de Santander, Bucaramanga 680002, Colombia; (N.G.-S.); (M.C.); (C.O.)
| | - Marlon Cáceres
- Grupo de Investigación en Bioquímica y Microbiología (GIBIM), Universidad Industrial de Santander, Bucaramanga 680002, Colombia; (N.G.-S.); (M.C.); (C.O.)
| | - Elena E. Stashenko
- Escuela de Microbiología, Facultad de Salud, Universidad Industrial de Santander, Bucaramanga 680002, Colombia;
| | - William Hidalgo
- Grupo de Investigación en Bioquímica y Microbiología (GIBIM), Universidad Industrial de Santander, Bucaramanga 680002, Colombia; (N.G.-S.); (M.C.); (C.O.)
- Escuela de Química, Facultad de Ciencias, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
- Correspondence:
| | - Claudia Ortiz
- Grupo de Investigación en Bioquímica y Microbiología (GIBIM), Universidad Industrial de Santander, Bucaramanga 680002, Colombia; (N.G.-S.); (M.C.); (C.O.)
- Centro de Cromatografía y Espectrometría de Masas, CROM-MASS-CENIVAM, Facultad de Ciencias, Universidad Industrial de Santander, Bucaramanga 680002, Colombia
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Plata E, Ruiz M, Ruiz J, Ortiz C, Castillo JJ, Fernández-Lafuente R. Chemoenzymatic Synthesis of the New 3-((2,3-Diacetoxypropanoyl)oxy)propane-1,2-diyl Diacetate Using Immobilized Lipase B from Candida antarctica and Pyridinium Chlorochromate as an Oxidizing Agent. Int J Mol Sci 2020; 21:ijms21186501. [PMID: 32899537 PMCID: PMC7555366 DOI: 10.3390/ijms21186501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 08/26/2020] [Accepted: 09/04/2020] [Indexed: 01/18/2023] Open
Abstract
To exploit the hydrolytic activity and high selectivity of immobilized lipase B from Candida antarctica on octyl agarose (CALB-OC) in the hydrolysis of triacetin and also to produce new value-added compounds from glycerol, this work describes a chemoenzymatic methodology for the synthesis of the new dimeric glycerol ester 3-((2,3-diacetoxypropanoyl)oxy)propane-1,2-diyl diacetate. According to this approach, triacetin was regioselectively hydrolyzed to 1,2-diacetin with CALB-OC. The diglyceride product was subsequently oxidized with pyridinium chlorochromate (PCC) and a dimeric ester was isolated as the only product. It was found that the medium acidity during the PCC treatment and a high 1,2-diacetin concentration favored the formation of the ester. The synthesized compounds were characterized using IR, MS, HR-MS, and NMR techniques. The obtained dimeric ester was evaluated at 100 ppm against seven bacterial strains and two Candida species to identify its antimicrobial activity. The compound has no inhibitory activity against the bacterial strains used but decreased C. albicans and C. parapsilosis growth by 49% and 68%, respectively. Hemolytic activity was evaluated, and the results obtained support the use of the dimeric ester to control C. albicans and C. parapsilosis growth in non-intravenous applications because the compound shows hemolytic activity.
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Affiliation(s)
- Esteban Plata
- Escuela de Química, Grupo de investigación en Bioquímica y Microbiología (GIBIM), Edificio Camilo Torres 210, Universidad Industrial de Santander, CEP, 680001 Bucaramanga, Colombia; (E.P.); (M.R.); (J.R.)
| | - Mónica Ruiz
- Escuela de Química, Grupo de investigación en Bioquímica y Microbiología (GIBIM), Edificio Camilo Torres 210, Universidad Industrial de Santander, CEP, 680001 Bucaramanga, Colombia; (E.P.); (M.R.); (J.R.)
| | - Jennifer Ruiz
- Escuela de Química, Grupo de investigación en Bioquímica y Microbiología (GIBIM), Edificio Camilo Torres 210, Universidad Industrial de Santander, CEP, 680001 Bucaramanga, Colombia; (E.P.); (M.R.); (J.R.)
| | - Claudia Ortiz
- Escuela de Microbiología, Universidad Industrial de Santander, 680001 Bucaramanga, Colombia;
| | - John J. Castillo
- Escuela de Química, Grupo de investigación en Bioquímica y Microbiología (GIBIM), Edificio Camilo Torres 210, Universidad Industrial de Santander, CEP, 680001 Bucaramanga, Colombia; (E.P.); (M.R.); (J.R.)
- Correspondence: (J.J.C.); (R.F.-L.); Tel.:+57-320-902-6464 (J.J.C.); +34915854804 (R.F.-L.)
| | - Roberto Fernández-Lafuente
- ICP-CSIC, Campus UAM-CSIC, Cantoblanco, 28049 Madrid, Spain
- Correspondence: (J.J.C.); (R.F.-L.); Tel.:+57-320-902-6464 (J.J.C.); +34915854804 (R.F.-L.)
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Barja S, Loyola M, Ortiz C, Araneda Y, Undurraga R. [An Early Obesity Prevention Program: HaViSa UC (2009-2019)]. ACTA ACUST UNITED AC 2020; 91:353-362. [PMID: 32730515 DOI: 10.32641/rchped.v91i3.1548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Accepted: 03/16/2020] [Indexed: 11/12/2022]
Abstract
INTRODUCTION Prevention is the definitive solution to the serious nutritional epidemiological pro blem of children in our country and the world, obesity. OBJECTIVE To describe the results of an obesi ty prevention program for infants and preschoolers, ten years after its implementation. SUBJECTS AND METHODS Retrospective, and quasi-experimental study of the overweight and obesity prevalence, in children attending three nursery and preschool centers located at the Universidad Católica de Chile, since the implementation of a multidimensional program for early promotion of healthy lifestyle habits (HaViSa-UC) between 2009 and 2019. This study obtained ethical approval. Annual records of anthropometric assessment (WHO 2006) were analyzed using Minitab 17 software. The actions applied by the HaViSa-UC program were the assessment of nutritional status and communication with parents, delivery of healthy food, promotion of an active lifestyle, and education to encourage such healthy habits. RESULTS The annual mean was 319 subjects, 14% younger than two years old, and 49.5% were girls. In March 2009 (baseline), 32.6% had overweight and 8.6% obesity; both figures decreased reaching 23.8% and 4.7% respectively, in March 2019. Normal weight increased from 56.9 to 67.4% and malnutrition presented no increase. In the same period, zW/H dropped from 0.84 ± 0.94 to 0.55 ± 0.87 (p: 0.00), and zH/A increased from -0.36 ± 0.87 to -0.32 ± 0.90 (p > 0.05). Con clusion: Since the implementation of the HaViSa-UC Program, the frequency of obesity decreased by 45.4% and overweight by 27.2% in this sample of infants and preschoolers, remaining stable after 10 years.
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Affiliation(s)
- S Barja
- División de Pediatría, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - M Loyola
- Pontificia Universidad Católica de Chile, Santiago, Chile
| | - C Ortiz
- Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Y Araneda
- Pontificia Universidad Católica de Chile, Santiago, Chile
| | - R Undurraga
- Pontificia Universidad Católica de Chile, Santiago, Chile
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Hernando-Calvo A, García-Alvarez A, Villacampa G, Ortiz C, Bodet D, García-Patos V, Recio JA, Dienstmann R, Muñoz-Couselo E. Dynamics of clinical biomarkers as predictors of immunotherapy benefit in metastatic melanoma patients. Clin Transl Oncol 2020; 23:311-317. [PMID: 32562197 DOI: 10.1007/s12094-020-02420-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Accepted: 06/04/2020] [Indexed: 12/14/2022]
Abstract
PURPOSE Baseline LDH, derived neutrophil-lymphocyte ratio (dNLR) and immune-related adverse events (irAEs) are associated with outcomes of patients with metastatic melanoma (MM). We hypothesized whether dynamic shifts in LDH, dNLR and incidence of irAEs may impact the prognosis of MM patients treated with anti-CTLA4 or anti-PD1 as single agents. METHODS Retrospective analysis of medical charts from MM patients with prospective monitoring of dNLR, LDH values and irAE incidence. Primary endpoint was overall survival (OS). RESULTS Patients switching from either high dNLR (≥2.5) to low dNLR (HR: 0.14; 0.03-0.74; p = 0.02) or high LDH (≥1.5 × ULN) to low LDH levels (HR: 0.08; 0.01-0.68; p = 0.02) had significantly better OS than those with high dNLR or LDH scores at the end of cycle 2. Longer OS was also observed in patients developing irAEs ≥ grade 2 as compared to no irAEs (HR: 0.2; 0.05-0.89; p = 0.03). CONCLUSIONS We found that major shifts in dNLR and LDH measures from baseline to cycle 2 measures and shifts from baseline to cycle 2 are significantly associated with OS in MM patients receiving single agent anti-PD1 therapy. Laboratory changes and clinical variables may help optimize prognostic estimates.
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Affiliation(s)
| | | | - G Villacampa
- Vall D'Hebron Institute of Oncology (VHIO), Barcelona, Spain
| | - C Ortiz
- Vall D'Hebron University Hospital, Barcelona, Spain
| | - D Bodet
- Vall D'Hebron University Hospital, Barcelona, Spain
| | | | - J A Recio
- Vall D'Hebron University Hospital, Vall D'Hebron Research Institute (VHIR), Barcelona, Spain
| | - R Dienstmann
- Vall D'Hebron Institute of Oncology (VHIO), Barcelona, Spain
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Singh S, Sehgal D, Kumar S, Arif MAR, Vikram P, Sansaloni CP, Fuentes-Dávila G, Ortiz C. GWAS revealed a novel resistance locus on chromosome 4D for the quarantine disease Karnal bunt in diverse wheat pre-breeding germplasm. Sci Rep 2020; 10:5999. [PMID: 32265455 PMCID: PMC7138846 DOI: 10.1038/s41598-020-62711-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Accepted: 03/11/2020] [Indexed: 11/09/2022] Open
Abstract
This study was initiated to identify genomic regions conferring resistance to Karnal Bunt (KB) disease in wheat through a genome-wide association study (GWAS) on a set of 179 pre-breeding lines (PBLs). A GWAS of 6,382 high-quality DArTseq SNPs revealed 15 significant SNPs (P-value <10-3) on chromosomes 2D, 3B, 4D and 7B that were associated with KB resistance in individual years. In particular, two SNPs (chromosome 4D) had the maximum R2 values: SNP 1114200 | F | 0-63:T > C at 1.571 cM and R2 of 12.49% and SNP 1103052 | F | 0-61:C > A at 1.574 cM and R2 of 9.02%. These two SNPs displayed strong linkage disequilibrium (LD). An in silico analysis of SNPs on chromosome 4D identified two candidate gene hits, TraesCS4D02G352200 (TaNox8; an NADPH oxidase) and TraesCS4D02G350300 (a rhomboid-like protein belonging to family S54), with SNPs 1103052 | F | 0-61:C > A and 1101835 | F | 0-5:C > A, respectively, both of which function in biotic stress tolerance. The epistatic interaction analysis revealed significant interactions among 4D and 7B loci. A pedigree analysis of confirmed resistant PBLs revealed that Aegilops species is one of the parents and contributed the D genome in these resistant PBLs. These identified lines can be crossed with any elite cultivar across the globe to incorporate novel KB resistance identified on 4B.
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Affiliation(s)
- Sukhwinder Singh
- International Maize and Wheat Improvement Center (CIMMYT), Carretera México-Veracruz Km. 45, El Batán, Texcoco, C.P. 56237, México. .,Geneshifters, 222 Mary Jena Lane, Pullman, WA, 99163, USA.
| | - D Sehgal
- International Maize and Wheat Improvement Center (CIMMYT), Carretera México-Veracruz Km. 45, El Batán, Texcoco, C.P. 56237, México
| | - S Kumar
- Centre of Excellence in Biotechnology, Anand Agricultural University (AAU), Anand, Gujarat, 388 110, India
| | - M A R Arif
- Nuclear Institute for Agriculture and Biology, Faislabad, 38000, Pakistan
| | - P Vikram
- International Maize and Wheat Improvement Center (CIMMYT), Carretera México-Veracruz Km. 45, El Batán, Texcoco, C.P. 56237, México
| | - C P Sansaloni
- International Maize and Wheat Improvement Center (CIMMYT), Carretera México-Veracruz Km. 45, El Batán, Texcoco, C.P. 56237, México
| | - G Fuentes-Dávila
- INIFAP-CIRNO, Campo Experimental Norman E. Borlaug, Apdo. Postal 155, Km 12 Norman E. Borlaug, Cd. Obregon, Sonora, CP 85000, Mexico
| | - C Ortiz
- International Maize and Wheat Improvement Center (CIMMYT), Carretera México-Veracruz Km. 45, El Batán, Texcoco, C.P. 56237, México
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Cardona A, Ruiz-Patiño A, Arrieta O, Martin C, Raez L, Barrón ZZ, Barrón F, Ricaurte L, Bravo-Garzón M, Mas L, Corrales L, Rojas L, Lupinacci L, Perazzo F, Bas C, Carranza O, Puparelli C, Rizzo M, Ruiz R, Rolfo C, Archila P, Rodriguez J, Sotelo C, Vargas C, Carranza H, Otero J, Pino L, Ortiz C, Laguado P, Rosell R. EP1.04-46 Immunotherapy at Any Line Improves Survival in Hispanic Patients with Advanced Metastatic NSCLC Compared to Chemotherapy (Quijote-CLICaP). J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.2163] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Rodrigues RC, Virgen-Ortíz JJ, dos Santos JC, Berenguer-Murcia Á, Alcantara AR, Barbosa O, Ortiz C, Fernandez-Lafuente R. Immobilization of lipases on hydrophobic supports: immobilization mechanism, advantages, problems, and solutions. Biotechnol Adv 2019; 37:746-770. [DOI: 10.1016/j.biotechadv.2019.04.003] [Citation(s) in RCA: 287] [Impact Index Per Article: 57.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 04/02/2019] [Accepted: 04/03/2019] [Indexed: 12/13/2022]
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Aiello A, Arena P, Di Maio P, Ferrucci B, Forte R, Frisoni M, Galabert J, Ghidersa B, Granieri M, Ortiz C, Polidori M, Ricapito I, Tincani A, Tian K, Voukelatou K. Updated design and integration of the ancillary circuits for the European Test Blanket Systems. Fusion Engineering and Design 2019. [DOI: 10.1016/j.fusengdes.2018.11.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Ochoa-Hernandez A, Timmerman C, Ortiz C, Huertas VL, Huerta S. Emergent groin hernia repair at a County Hospital in Guatemala: patient-related issues vs. health care system limitations. Hernia 2019; 24:625-632. [PMID: 31429024 DOI: 10.1007/s10029-019-02028-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 08/04/2019] [Indexed: 12/15/2022]
Abstract
BACKGROUND The rate of emergent groin hernia repair in developing countries is poorly understood. MATERIALS AND METHODS A retrospective analysis of groin hernia repairs performed at a county hospital in Guatemala [Hospital Nacional de San Benito (HSNB)] was undertaken and compared to a literature review in developed countries. Patients with incarcerated hernias were interviewed to determine factors related to late presentation. RESULTS Twenty-five percent of patients with groin hernias in this analysis presented at HNSB emergently (vs. 2.5-7.7% in developed countries). Most patients were male in their fifth decade of life. Ten percent of hernias were femoral. There was no delay in scheduling patients for surgery presenting for elective repair. Most patients lived within 20 miles of the hospital, but only 50% of patients returned for their follow-up appointment. Most patients with an incarcerated inguinal hernia (56%) did not seek medical attention because of family obligations, but when they did, this decision was influence by their children (66%). None of the patients presenting with an incarcerated hernia had education past secondary school. In fact, most (56%) did not have any form formal education. Nearly 90% of patients who had an incarcerated hernia repaired thought that the hospital provided good-to-excellent care. CONCLUSION A high number of patients present emergently for groin hernia repair at a county hospital in Guatemala compared to developed countries. Our data suggest that emergent hernias are likely the result of patient-related issues rather than health care system limitations.
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Affiliation(s)
| | - C Timmerman
- University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - C Ortiz
- Hospital Nacional de San Benito, Petén, San Benito, Guatemala
| | - V L Huertas
- Hospital Nacional de San Benito, Petén, San Benito, Guatemala
| | - S Huerta
- University of Texas Southwestern Medical Center, Dallas, TX, USA. .,VA North Texas Health Care System, 4500 S. Lancaster Road, Dallas, TX, 75225, USA.
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Guilbert L, Joo P, Ortiz C, Sepúlveda E, Alabi F, León A, Piña T, Zerrweck C. Safety and efficacy of bariatric surgery in Mexico: A detailed analysis of 500 surgeries performed at a high-volume center. Revista de Gastroenterología de México (English Edition) 2019. [DOI: 10.1016/j.rgmxen.2018.05.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Arana-Peña S, Mendez-Sanchez C, Rios NS, Ortiz C, Gonçalves LR, Fernandez-Lafuente R. New applications of glyoxyl-octyl agarose in lipases co-immobilization: Strategies to reuse the most stable lipase. Int J Biol Macromol 2019; 131:989-997. [DOI: 10.1016/j.ijbiomac.2019.03.163] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 03/14/2019] [Accepted: 03/23/2019] [Indexed: 01/10/2023]
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Ortiz C, Kukreja K, Hayatghaibi S, Moturu A, Gardner G, Pezeshkmehr A, Desai S. 03:27 PM Abstract No. 36 Process map for interventional radiology at a large tertiary children’s hospital: understanding the workflow and identifying areas for improvement. J Vasc Interv Radiol 2019. [DOI: 10.1016/j.jvir.2018.12.075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Noni-Morales D, Barros D, Castro SA, Ortiz C. Germination and seedling growth of the Chilean native grass Polypogon australis in soil polluted with diesel oil. Int J Phytoremediation 2019; 21:14-18. [PMID: 30729812 DOI: 10.1080/15226514.2018.1523868] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The purpose of this study was to evaluate the ability of Polypogon australis, a Chilean native grass that colonizes copper polluted sites, to germinate and grow in soil contaminated with diesel oil. The effect of increasing proportions of diesel in soil (0.5%, 1%, 2%, and 5%) on the cumulative germination and growth of plants was measured. The relative seed germination (RSG), relative root growth (RRG), germination index (GI), and the effective concentration (EC50) were calculated. The cumulative germination in soil polluted with 0%, 0.5%, 1%, and 2% of diesel oil in soil was 93.3%, 85.5%, 99%, and 78.5%, respectively, showing no significant differences between the treatments (p > 0.05). A proportion of 5% of diesel in the soil reduced the germination of P. australis by 50%, compared to the control. The growth of leaves and roots of the plants germinated in 5% of diesel was reduced by 30% compared to the control, with a 34% survival rate observed on day 40. The calculated EC50 of diesel for P. australis was 4.5%. P. australis germinated and grew on all diesel concentration used in the experiments. The species was classified as a tolerant to diesel oil.
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Affiliation(s)
- Daniel Noni-Morales
- a Department of Biology, Faculty of Chemistry and Biology , Universidad de Santiago de Chile , Estación Central , Chile
| | - Daniel Barros
- a Department of Biology, Faculty of Chemistry and Biology , Universidad de Santiago de Chile , Estación Central , Chile
| | | | - Claudia Ortiz
- a Department of Biology, Faculty of Chemistry and Biology , Universidad de Santiago de Chile , Estación Central , Chile
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Ortiz C, Ferreira ML, Barbosa O, dos Santos JCS, Rodrigues RC, Berenguer-Murcia Á, Briand LE, Fernandez-Lafuente R. Novozym 435: the “perfect” lipase immobilized biocatalyst? Catal Sci Technol 2019. [DOI: 10.1039/c9cy00415g] [Citation(s) in RCA: 263] [Impact Index Per Article: 52.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Novozym 435 (N435) is a commercially available immobilized lipase produced by Novozymes with its advantages and drawbacks.
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Affiliation(s)
- Claudia Ortiz
- Escuela de Microbiología
- Universidad Industrial de Santander
- Bucaramanga
- Colombia
| | - María Luján Ferreira
- Planta Piloto de Ingeniería Química – PLAPIQUI
- CONICET
- Universidad Nacional del Sur
- 8000 Bahía Blanca
- Argentina
| | - Oveimar Barbosa
- Departamento de Química
- Facultad de Ciencias
- Universidad del Tolima
- Ibagué
- Colombia
| | - José C. S. dos Santos
- Instituto de Engenharias e Desenvolvimento Sustentável
- Universidade da Integração Internacional da Lusofonia Afro-Brasileira
- Redenção
- Brazil
| | - Rafael C. Rodrigues
- Biotechnology, Bioprocess, and Biocatalysis Group, Food Science and Technology Institute
- Federal University of Rio Grande do Sul
- Porto Alegre
- Brazil
| | - Ángel Berenguer-Murcia
- Instituto Universitario de Materiales
- Departamento de Química Inorgánica
- Universidad de Alicante
- Alicante
- Spain
| | - Laura E. Briand
- Centro de Investigación y Desarrollo en Ciencias Aplicadas-Dr. Jorge J. Ronco
- Universidad Nacional de La Plata
- CONICET
- Buenos Aires
- Argentina
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Saavedra Gaona IM, Supelano G, Ortiz C, Parra Vargas C, Barón-González A. Influence of the ionic radius on Structural and Magnetic response of the system Pr0.48TR0.02Ca0.5Co03-δ. rev ion 2018. [DOI: 10.18273/revion.v31n1-2018011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Benítez Montañez J, Vieito Villar M, Hierro C, Gonzalez Rodriguez M, Matos I, Braña Garcia I, Suarez Rodriguez C, Martinez Saez E, Perez-Gago M, Morales-Barrera R, Ortiz C, Suarez C, Maldonado X, Martinez-Ricarte F, Auger C, Azaro A, Dienstmann R, Carles J, Garralda E. Impact of a molecular prescreening program (MPP) in the management of patients with non-glioblastoma brain tumors. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy273.364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Ortiz C, Ortiz-Peregrina S, Castro JJ, Casares-López M, Salas C. Driver distraction by smartphone use (WhatsApp) in different age groups. Accid Anal Prev 2018; 117:239-249. [PMID: 29723735 DOI: 10.1016/j.aap.2018.04.018] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 04/11/2018] [Accepted: 04/14/2018] [Indexed: 05/24/2023]
Abstract
This paper investigates the effect that texting with WhatsApp, one of the most common applications for instant messaging, exerts on driving performance. Because distracted driving also affects older drivers, who can have seriously compromised vision, we also analysed the associations between visual-function parameters and driving performance. A total of 75 drivers, experienced in sending WhatsApp messages (≥10WhatsApp messages/week), participated in this study and were divided into four age categories. Visual-function tests included contrast sensitivity with and without glare, retinal straylight and objective assessment of optical quality. Simulated driving performance was assessed under a baseline driving condition (without distraction) as well as a texting condition (WhatsApp messages) while driving. The participants used their own mobile phone. Lastly, objective results of driving performance were compared with subjective self-report data from the Driver Behaviour Questionnaire (DBQ). The analysis indicated that functional changes occurring with age, such as a lower contrast sensitivity and greater retinal straylight, were correlated with a higher number of collisions, longer distances driven outside the lane, and greater standard deviation of lateral position (SDLP). The results showed a significant main effect of age for the driving-performance parameters. Also, compared to the baseline, texting WhatsApp messages while driving worsens driving performance for all age groups, most notably among older participants. Thus, the older drivers' SDLP was ∼14% higher than that for the baseline average of all the other drivers and rose to 29% under distraction, reflecting the impact of secondary tasks. The negative effect of the use of the smartphone during driving was also reflected in the number of collisions, with a greater risk of accidents in all the groups of drivers (by 8.3% for young adults, 25.0% for adults, 80.5% for middle-aged adults, and 134.5% for older drivers). Lastly, participants' subjective responses indicated that younger drivers (18-24 years) had a higher risk of deliberately violating safe driving practices (p < 0.05). The present study demonstrates that texting WhatsApp messages while driving significantly impairs the ability to drive safely, with older drivers being the group most adversely affected. It would be recommendable to include other nonstandard vision tests, which have shown associations with driving performance, in the examination for driver licensing. This would help raise the awareness of older drivers concerning their visual limitations, permitting them to adopt compensatory measures to improve their driving safety. Nevertheless, it is also necessary to raise awareness among the younger drivers of the risks involved in behaviour behind the wheel.
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Affiliation(s)
- C Ortiz
- Department of Optics, Laboratory of Vision Sciences and Applications, University of Granada, Granada, 18071, Spain.
| | - S Ortiz-Peregrina
- Department of Optics, Laboratory of Vision Sciences and Applications, University of Granada, Granada, 18071, Spain
| | - J J Castro
- Department of Optics, Laboratory of Vision Sciences and Applications, University of Granada, Granada, 18071, Spain
| | - M Casares-López
- Department of Optics, Laboratory of Vision Sciences and Applications, University of Granada, Granada, 18071, Spain
| | - C Salas
- Department of Optics, Laboratory of Vision Sciences and Applications, University of Granada, Granada, 18071, Spain
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Ramírez M, Ortiz C, Dewit-Carter G, Hernández-Quintela E. [Confocal microscopy findings after endothelial transplant by DSAEK]. CIR CIR 2018; 86:128-131. [PMID: 29809189 DOI: 10.24875/ciru.m18000020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Objective To evaluate early in vivo corneal wound healing findings after Descemet's Stripping Automated Endothelial Keratoplasty (DSAEK) by using in vivo confocal microscopy. Method A total of 15 eyes of 15 patients were included. In vivo confocal microscopy (Confoscan 4, Fortune Technologies, Italy) was performed from 4 to 7 weeks after DSAEK. Measurements were scanned from the corneal endothelium to the corneal surface with a Navis® software (NIDEK, Multi-Instrument Diagnostic System, Japan). Results Donor-receptor interface was found in an average of 114 ± 12.4 microns. Corneal stromal folds were observed from 111.1 ± 3.5 microns from the endothelium to 286 ± 94 microns (mean 175 ± 90.5 microns of the corneal stroma). Keratocites were activated in the donor tissue from 12 ± 1.4 microns from the endothelium to 105 ± 38.2 microns (mean 93 ± 36.9 microns of the corneal stroma). Conclusions Donor keratocites are activated up to 7 weeks after DSAEK. Several corneal folds are present in proximity to the donor-receptor interface after DSAEK. Further evaluation of these findings is justified to determine its clinical significance.
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Affiliation(s)
- Manuel Ramírez
- Departamento de Córnea y Cirugía Refractiva, Asociación para Evitar la Ceguera en México, Hospital Luis Sánchez Bulnes, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Claudia Ortiz
- Departamento de Córnea y Cirugía Refractiva, Asociación para Evitar la Ceguera en México, Hospital Luis Sánchez Bulnes, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Guillermo Dewit-Carter
- Departamento de Córnea y Cirugía Refractiva, Asociación para Evitar la Ceguera en México, Hospital Luis Sánchez Bulnes, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Everardo Hernández-Quintela
- Departamento de Córnea y Cirugía Refractiva, Asociación para Evitar la Ceguera en México, Hospital Luis Sánchez Bulnes, Universidad Nacional Autónoma de México, Ciudad de México, México
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Ortiz C, Kukreja K. Abstract No. 659 Indigo mechanical thrombectomy device in children: an initial experience. J Vasc Interv Radiol 2018. [DOI: 10.1016/j.jvir.2018.01.704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
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