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Cipolla L, Rocca F, Armitano R, López B, Prieto M. [Legionnaires' disease in Argentina: Evolution of the laboratory diagnostic strategy]. Rev Argent Microbiol 2023:S0325-7541(22)00103-1. [PMID: 36604301 DOI: 10.1016/j.ram.2022.10.001] [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] [Received: 04/18/2022] [Revised: 07/16/2022] [Accepted: 10/18/2022] [Indexed: 01/04/2023] Open
Abstract
Legionnaires' disease (LD) is severe acute pneumonia that occurs in sporadic or epidemic form, and generally requires hospitalization. The objective of this work was to describe the experience in the LD laboratory diagnostic approach in Argentina during the period 2016-2021. The laboratory analyzed 168 clinical specimens from 93 cases of suspected LD pneumonia. Laboratory tests included the detection of the soluble antigen of Legionella pneumophila serogroup 1 in urine sample, detection of DNA of Legionella spp. in lower respiratory secretions by conventional and commercial molecular methods and isolation in selective medium. LD was confirmed in 12 patients. The urinary antigen allowed the diagnosis for 8 patients. L. pneumophila was isolated from the respiratory material of 6 patients suffering from health care-associated pneumonia, who had been previously diagnosed using the commercial molecular method. Fifty percent of these cases did not show detectable urinary antigen. A single patient did not shows neither detectable antigenuria nor isolation of Legionella from the respiratory sample and was diagnosed as a confirmed case of LD by the detection of DNA of Legionella spp. by PCR directly from the respiratory secretion and the epidemiological link with another case of confirmed LD by culture. Urinary antigen detection is the first-line diagnostic test. However, the incorporation of complementary molecular methods has proved to avoid false negatives and contributed to a better understanding of the true incidence of the disease.
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Affiliation(s)
- Lucía Cipolla
- Instituto Nacional de Enfermedades Infecciosas, ANLIS Dr. Carlos Malbrán, Ciudad Autónoma de Buenos Aires, Argentina
| | - Florencia Rocca
- Instituto Nacional de Enfermedades Infecciosas, ANLIS Dr. Carlos Malbrán, Ciudad Autónoma de Buenos Aires, Argentina
| | - Rita Armitano
- Instituto Nacional de Enfermedades Infecciosas, ANLIS Dr. Carlos Malbrán, Ciudad Autónoma de Buenos Aires, Argentina
| | - Beatriz López
- Instituto Nacional de Enfermedades Infecciosas, ANLIS Dr. Carlos Malbrán, Ciudad Autónoma de Buenos Aires, Argentina
| | - Mónica Prieto
- Instituto Nacional de Enfermedades Infecciosas, ANLIS Dr. Carlos Malbrán, Ciudad Autónoma de Buenos Aires, Argentina.
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Vizcaychipi KA, Giménez MD, Casas N, Lloveras S, Cicuttin GL, Lamattina D, Marx J, Pedrozo W, Rinas M, DeMatteo KE, Couto E, Faccini-Martínez ÁA, Armitano R. [Autochthonous Rickettsia parkeri rickettsiosis in the Paranaense Forest, Misiones, Argentina]. Rev Argent Microbiol 2023; 55:83-87. [PMID: 36163115 DOI: 10.1016/j.ram.2022.06.003] [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: 01/17/2022] [Revised: 05/01/2022] [Accepted: 06/02/2022] [Indexed: 11/17/2022] Open
Abstract
We report an autochthonous case of Rickettsia parkeri rickettsiosis occurred in June 2018 in a forested area of the Urugua-í Provincial Park, Misiones, Argentina. No previous records of this disease in humans have been previously reported in this region. The epidemiological, ecological, clinical, and laboratory features required for a proper diagnosis and adequate treatment are described here. The fact of considering rickettsiosis as a differential diagnosis in a patient with exanthematic acute febrile syndrome is highlighted, being the epidemiological history of exposure to the vector (ticks of the genus Amblyomma) an essential element.
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Affiliation(s)
- Katherina A Vizcaychipi
- Instituto Nacional de Enfermedades Infecciosas, ANLIS «Dr. Carlos G. Malbrán», Ministerio de Salud de la Nación, CABA, Argentina; Instituto Nacional de Medicina Tropical, ANLIS «Dr. Carlos G. Malbrán», Ministerio de Salud de la Nación, Puerto Iguazú, Misiones, Argentina; Universidad del Salvador, Facultad de Ciencias Agrarias y Veterinarias, Carrera de Veterinaria, Virasoro, Corrientes, Argentina.
| | - Mabel D Giménez
- Instituto Nacional de Medicina Tropical, ANLIS «Dr. Carlos G. Malbrán», Ministerio de Salud de la Nación, Puerto Iguazú, Misiones, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Puerto Iguazú, Misiones, Argentina; Universidad Nacional de Misiones, Posadas, Misiones, Argentina
| | - Natalia Casas
- Coordinación de Zoonosis, Ministerio de Salud de la Nación, CABA, Argentina
| | - Susana Lloveras
- Coordinación de Zoonosis, Ministerio de Salud de la Nación, CABA, Argentina; Servicio Zoopatologìa Médica, Hospital de Infecciosas «F. Muñiz», CABA, Argentina
| | - Gabriel L Cicuttin
- Instituto de Zoonosis Luis Pasteur, Ministerio de Salud de la Ciudad Autónoma de Buenos Aires, CABA, Argentina
| | - Daniela Lamattina
- Instituto Nacional de Medicina Tropical, ANLIS «Dr. Carlos G. Malbrán», Ministerio de Salud de la Nación, Puerto Iguazú, Misiones, Argentina
| | - Javier Marx
- Laboratorio del Hospital SAMIC, Puerto Iguazú, Misiones, Argentina
| | - Williams Pedrozo
- Dirección de Bioquímica, Ministerio de Salud, Posadas, Misiones, Argentina
| | - Miguel Rinas
- Ministerio de Ecología y Recursos Naturales Renovables, Misiones, Argentina
| | - Karen E DeMatteo
- Washington University in St. Louis and WildCare Institute-Saint Louis Zoo, St. Louis, Missouri, EE. UU
| | - Esteban Couto
- Instituto Nacional de Medicina Tropical, ANLIS «Dr. Carlos G. Malbrán», Ministerio de Salud de la Nación, Puerto Iguazú, Misiones, Argentina
| | - Álvaro A Faccini-Martínez
- Research Institute, Fundación Universitaria de Ciencias de la Salud-FUCS, Bogotá, Colombia; Servicios y Asesorías en Infectología-SAI, Bogotá, Colombia
| | - Rita Armitano
- Instituto Nacional de Enfermedades Infecciosas, ANLIS «Dr. Carlos G. Malbrán», Ministerio de Salud de la Nación, CABA, Argentina
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Frutos MC, Origlia J, Gallo Vaulet ML, Venuta ME, García MG, Armitano R, Cipolla L, Madariaga MJ, Cuffini C, Cadario ME. SARS-CoV-2 and Chlamydia pneumoniae co-infection: A review of the literature. Rev Argent Microbiol 2022; 54:247-257. [PMID: 35931565 PMCID: PMC9189145 DOI: 10.1016/j.ram.2022.05.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 02/10/2022] [Accepted: 05/02/2022] [Indexed: 01/08/2023] Open
Abstract
Bacterial co-pathogens are commonly identified in viral respiratory infections and are important causes of morbid-mortality. The prevalence of Chlamydia (C.) pneumoniae infection in patients infected with SARS-CoV-2 has not been sufficiently studied. The objective of the present review was to describe the prevalence of C. pneumoniae in patients with coronavirus disease 2019 (COVID-19). A search in MEDLINE and Google Scholar databases for English language literature published between January 2020 and August 2021 was performed. Studies evaluating patients with confirmed COVID-19 and reporting the simultaneous detection of C. pneumoniae were included. Eleven articles were included in the systematic review (5 case cross-sectional studies and 6 retrospective studies). A total of 18 450 patients were included in the eleven studies. The detection of laboratory-confirmed C. pneumoniae infection varied between 1.78 and 71.4% of the total number of co-infections. The median age of patients ranged from 35 to 71 years old and 65% were male. Most of the studies reported one or more pre-existing comorbidities and the majority of the patients presented with fever, cough and dyspnea. Lymphopenia and eosinopenia were described in COVID-19 co-infected patients. The main chest CT scan showed a ground glass density shadow, consolidation and bilateral pneumonia. Most patients received empirical antibiotics. Bacterial co-infection was not associated with increased ICU admission and mortality. Despite frequent prescription of broad-spectrum empirical antimicrobials in patients with coronavirus 2-associated respiratory infections, there is a paucity of data to support the association with respiratory bacterial co-infection. Prospective evidence generation to support the development of an antimicrobial policy and appropriate stewardship interventions specific for the COVID-19 pandemic are urgently required.
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Affiliation(s)
- María Celia Frutos
- Instituto de Virología, Dr. J.M. Vanella, Facultad de Ciencias Médicas - Universidad Nacional de Córdoba, Córdoba, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina.
| | - Javier Origlia
- Cátedra de Patología de Aves y Pilíferos, Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata, La Plata, Argentina
| | - María Lucia Gallo Vaulet
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Bioquímica Clínica, Cátedra de Microbiología Clínica, Inmunología y Virología Clínica, Argentina
| | - María Elena Venuta
- Servicio de Microbiología, Hospital de Pediatría Prof. Dr. Juan P. Garrahan, Buenos Aires, Argentina
| | - Miriam Gabriela García
- Laboratorio de Virología y Biología Molecular, Hospital Interzonal General Agudos Pedro Fiorito, Buenos Aires, Argentina
| | - Rita Armitano
- Departamento de Bacteriología, INEI-ANLIS Dr. Carlos G Malbrán, Ciudad Autónoma de Buenos Aires, Argentina
| | - Lucía Cipolla
- Departamento de Bacteriología, INEI-ANLIS Dr. Carlos G Malbrán, Ciudad Autónoma de Buenos Aires, Argentina
| | - María Julia Madariaga
- Sección Serología y Pruebas Biológicas, Instituto de Zoonosis Luis Pasteur, Ciudad Autónoma de Buenos Aires, Argentina
| | - Cecilia Cuffini
- Instituto de Virología, Dr. J.M. Vanella, Facultad de Ciencias Médicas - Universidad Nacional de Córdoba, Córdoba, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - María Estela Cadario
- Departamento de Bacteriología, INEI-ANLIS Dr. Carlos G Malbrán, Ciudad Autónoma de Buenos Aires, Argentina
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Amiano NO, Pellegrini JM, Morelli MP, Martinena C, Rolandelli A, Castello FA, Casco N, Ciallella LM, de Casado GC, Armitano R, Stupka J, Gallego C, Palmero DJ, García VE, Tateosian NL. Circulating Monocyte-Like Myeloid Derived Suppressor Cells and CD16 Positive Monocytes Correlate With Immunological Responsiveness of Tuberculosis Patients. Front Cell Infect Microbiol 2022; 12:841741. [PMID: 35360105 PMCID: PMC8964076 DOI: 10.3389/fcimb.2022.841741] [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] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 02/15/2022] [Indexed: 12/28/2022] Open
Abstract
Alterations of myeloid cell populations have been reported in patients with tuberculosis (TB). In this work, we studied the relationship between myeloid-derived suppressor cells (MDSC) and monocytes subsets with the immunological responsiveness of TB patients. Individuals with active TB were classified as low responders (LR-TB) or high responders (HR-TB) according to their T cell responses against a cell lysate of Mycobacterium tuberculosis (Mtb-Ag). Thus, LR-TB, individuals with severe disease, display a weaker immune response to Mtb compare to HR-TB, subjects with strong immunity against the bacteria. We observed that LR-TB presented higher percentages of CD16 positive monocytes as compared to HR-TB and healthy donors. Moreover, monocyte-like (M-MDSC) and polymorphonuclear-like (PMN-MDSC) MDSC were increased in patients and the proportion of M-MDSC inversely correlated with IFN-γ levels released after Mtb-Ag stimulation in HR-TB. We also found that LR-TB displayed the highest percentages of circulating M-MDSC. These results demonstrate that CD16 positive monocytes and M-MDSC frequencies could be used as another immunological classification parameter. Interestingly, in LR-TB, frequencies of CD16 positive monocytes and M-MDSC were restored after only three weeks of anti-TB treatment. Together, our findings show a link between the immunological status of TB patients and the levels of different circulating myeloid cell populations.
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Affiliation(s)
- Nicolás O. Amiano
- Departamento de Química Biológica. Facultad de Ciencias Exactas y Naturales, UBA, Buenos Aires, Argentina
- Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN). Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Joaquín M. Pellegrini
- Departamento de Química Biológica. Facultad de Ciencias Exactas y Naturales, UBA, Buenos Aires, Argentina
- Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN). Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - María P. Morelli
- Departamento de Química Biológica. Facultad de Ciencias Exactas y Naturales, UBA, Buenos Aires, Argentina
- Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN). Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Camila Martinena
- Departamento de Química Biológica. Facultad de Ciencias Exactas y Naturales, UBA, Buenos Aires, Argentina
- Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN). Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Agustín Rolandelli
- Departamento de Química Biológica. Facultad de Ciencias Exactas y Naturales, UBA, Buenos Aires, Argentina
- Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN). Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Florencia A. Castello
- Departamento de Química Biológica. Facultad de Ciencias Exactas y Naturales, UBA, Buenos Aires, Argentina
- Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN). Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Nicolás Casco
- División Tisioneumonología, Hospital F.J. Muñiz, Buenos Aires, Argentina
| | | | | | - Rita Armitano
- Hospital General de Agudos Parmenio Piñero, Buenos Aires, Argentina
| | - Juan Stupka
- Hospital General de Agudos Parmenio Piñero, Buenos Aires, Argentina
| | - Claudio Gallego
- Hospital General de Agudos Parmenio Piñero, Buenos Aires, Argentina
| | - Domingo J. Palmero
- División Tisioneumonología, Hospital F.J. Muñiz, Buenos Aires, Argentina
| | - Verónica E. García
- Departamento de Química Biológica. Facultad de Ciencias Exactas y Naturales, UBA, Buenos Aires, Argentina
- Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN). Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Nancy L. Tateosian
- Departamento de Química Biológica. Facultad de Ciencias Exactas y Naturales, UBA, Buenos Aires, Argentina
- Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN). Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
- *Correspondence: Nancy L. Tateosian,
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Romer Y, Borrás P, Govedic F, Nava S, Carranza JI, Santini S, Armitano R, Lloveras S. Clinical and epidemiological comparison of Rickettsia parkeri rickettsiosis, related to Amblyomma triste and Amblyomma tigrinum, in Argentina. Ticks Tick Borne Dis 2020; 11:101436. [DOI: 10.1016/j.ttbdis.2020.101436] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 03/05/2020] [Accepted: 03/27/2020] [Indexed: 11/26/2022]
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Rocca M, Aguerre L, Cipolla L, Martínez C, Armitano R, Dangiolo G, Prieto M. Lactobacillus spp. invasive infections in Argentina. Int J Infect Dis 2018. [DOI: 10.1016/j.ijid.2018.04.3783] [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: 10/28/2022] Open
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Prieto M, Martínez C, Aguerre L, Rocca M, Cipolla L, Armitano R, Dangiolo G. Pregnancy-associated listeriosis- 30 years of experience in Argentina. Int J Infect Dis 2018. [DOI: 10.1016/j.ijid.2018.04.3772] [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] Open
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Armitano R, Lisa A, Martínez C, Cipolla L, Iachini R, Prieto M. [Bartonella henselae: Serological evidence in pediatric patients with clinical suspicion of cat scratch disease]. Rev Argent Microbiol 2018; 50:365-368. [PMID: 29336912 DOI: 10.1016/j.ram.2017.10.004] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Revised: 10/17/2017] [Accepted: 10/31/2017] [Indexed: 11/29/2022] Open
Abstract
Cat scratch disease (CSD) is caused by Bartonella henselae, which mainly affects children. The cat is the reservoir. The laboratory diagnosis is based on the detection of antibodies by the Indirect Immunofluorescence (IFI) assay. The objective of this study was to analyze the serological evidence of B. henselae infection in pediatric patients that met the clinical/epidemiological criteria for suspected CSD. We studied 92 patients, who were categorized into four serological groups: 1) IgG (+)/IgM(+), 31,5% (n=29); 2) IgG (-)/IgM(+), 10,9% (n=10); 3) IgG (+)/IgM(-), 9,8% (n=9); 4) IgG (-)/IgM(-), 47,8% (n=44). These findings aim to promote future works for investigating the seroprevalence of Bartonella spp. in Argentina, which will allow us to know the importance of this zoonosis in our population and to evaluate new cut-off points of the technique.
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Affiliation(s)
- Rita Armitano
- Servicio Bacteriología Especial, INEI-ANLIS «Dr. Carlos G. Malbrán», CABA, Argentina.
| | - Agustina Lisa
- Instituto de Zoonosis «Luis Pasteur», CABA, Argentina
| | - Claudia Martínez
- Servicio Bacteriología Especial, INEI-ANLIS «Dr. Carlos G. Malbrán», CABA, Argentina
| | - Lucia Cipolla
- Servicio Bacteriología Especial, INEI-ANLIS «Dr. Carlos G. Malbrán», CABA, Argentina
| | | | - Monica Prieto
- Servicio Bacteriología Especial, INEI-ANLIS «Dr. Carlos G. Malbrán», CABA, Argentina
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