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1.
Rev. chil. infectol ; 39(3): 340-344, jun. 2022. ilus
Article in Spanish | LILACS | ID: biblio-1407784

ABSTRACT

Resumen El linfogranuloma venéreo (LGV) es una infección de transmisión sexual (ITS) causada por Chlamydia trachomatis. En los últimos años, ha emergido principalmente en hombres que tienen sexo con hombres (HSH). Es frecuente su asociación con otras ITS como el virus de inmunodeficiencia humana (VIH) y la sífilis. Si bien el compromiso genital es la forma de presentación clásica, el síndrome anorrectal constituye el principal cuadro clínico en la actualidad. Presentamos el caso de un HSH con infección por VIH en terapia anti-retroviral, herpes genital recurrente y sífilis latente tratada, sin viajes recientes al extranjero, con adenopatías inguinales fistulizadas a piel, asociada a una úlcera genital dolorosa, sin síntomas anorrectales ni sistémicos, refractario a múltiples tratamientos antibacterianos y antivirales. El estudio con RPC de secreción de la fístula fue positiva a C. trachomatis. Se trató con doxiciclina por seis semanas, con buena respuesta clínica, sin complicaciones.


Abstract Lymphogranuloma venereum (LGV) is a sexually transmitted infection caused by Chlamydia trachomatis bacteria. In the past years, it has emerged as a relevant infectious agent, mainly affecting men who have sex with men (MSM), frequently associated with other sexually transmitted infections as human immunodeficiency virus (HIV) and syphilis. Even though genital lesions correspond to the classical presentation of LGV, nowadays anorectal syndrome is more frequently reported. We present a MSM patient, HIV infected, being treated with antiretroviral drugs, with a history of recurrent genital herpes, also recently treated for a syphilis in a latent stage. He had no recent trips. He referred inguinal fistulized enlarged lymph nodes, associated with a painful genital ulcer, he denied anorectal or systemic symptoms. He had been treated with multiple antibiotic and antiviral drugs, with no clinical response. Molecular studies from the content of the fistulized lymph node identified C. trachomatis. The patient received doxycycline for 6 weeks, showing good clinical response.


Subject(s)
Humans , Male , Adult , Lymphogranuloma Venereum/complications , Lymphogranuloma Venereum/diagnosis , Lymphogranuloma Venereum/drug therapy , Sexually Transmitted Diseases , Sexual and Gender Minorities , Antiviral Agents/therapeutic use , Syphilis/complications , Syphilis/diagnosis , Syphilis/drug therapy , HIV Infections/complications , HIV Infections/drug therapy , Chile , Chlamydia trachomatis , Doxycycline/therapeutic use , Homosexuality, Male , Genitalia/pathology , Anti-Bacterial Agents/therapeutic use
3.
Rev. méd. Chile ; 138(7): 809-814, July 2010. tab
Article in Spanish | LILACS | ID: lil-567583

ABSTRACT

Background: Cytomegalovirus (CMV), herpes simplex type 1 (HSV-1) and Epstein Barr virus (EBV) are latent persistent infections. Their reactivation may cause illnesses and death in human immunodefciency virus-infected (HIV) people. World wide seroprevalence of these viruses is over 50 percent. In Chile, information is not available. Aim: To determine the seroprevalence of CMV, HSV-1 and EBV in Chilean HIV-infected adults. Patients and Methods: A total of 400 HIV- infected adults aged 17 to 67 years (340 males) were studied during 2005 and 2006. CMV, HSV-1 and EBV serum antibodies were measured by enzyme-linked immunoabsorbent assay. Results: The mean lapse from the diagnosis of HIV and serum testing was 67 months and 69.5 percent patients received antiretroviral therapy. Sixty seven percent of the sample were men who had sex with men (MSM). The seroprevalence for CMV, HSV-1 and EBV were 98.5, 92.2 and 99.7 percent, respectively. No patient had negative antibodies for all three viruses. Male patients that were negative for HSV-1 had a lower frequency of MSM than the rest of males (26 percent vs 62 percent, p < 0.01). Conclusions: There is a high prevalence of positive antibodies against CMV, HSV-1 and EBV in Chilean adults infected with HIV. Specifc diagnostic tests and antiviral therapy should be available for these patients.


Subject(s)
Adolescent , Adult , Aged , Female , Humans , Male , Middle Aged , Young Adult , Cytomegalovirus Infections/epidemiology , Epstein-Barr Virus Infections/epidemiology , HIV Infections/epidemiology , Herpes Simplex/epidemiology , Antibodies, Viral/blood , Chile/epidemiology , Cytomegalovirus Infections/immunology , Epstein-Barr Virus Infections/immunology , HIV Infections/immunology , Herpes Simplex/immunology , Herpesvirus 1, Human/immunology , Prevalence , Seroepidemiologic Studies
4.
Bol. Cient. Asoc. Chil. Segur ; 1(2): 28-35, dic. 1999. ilus, tab, graf
Article in Spanish | LILACS | ID: lil-318094

ABSTRACT

Los mecanismos moleculares de resistencia antibiótica en bacilos gram negativos (BGN) asociados a IIH han sido poco explorados en nuestro país. Esta publicación presenta resultados preliminares de un trabajoconjunto destinado a identificar fenotípica y genéticamente mecanismos de resistencia prevalentes ante antibióticos beta lactámicos en un conjunto de aislamientos de Pseudomonas aeruginosa y de Klebsiella pneumoniae. El estudio mediante determinación de concentraciones inhibitorias mínimas, construcción de perfiles de resistencia y comparación contra perfiles conocidos de resistencia asociados a beta lactamasas específicas, identificó para P. aeruginosa diferentes niveles de producción de AmpC, una beta lactamasa cromosomal, como el mecanismo más probable de multiresistencia observado. En contraste, la multiresistencia ante beta lactámicos en K. pneumoniae parece ser explicada por la presencia casi ubicua de beta lactamasas de espectro extendido en estos aislamientos, la mayor parte de ellas del tipo SHV. Estudios complementarios en una muestra de aislamientos de K. pneumoniae demostraron la presencia de integrones, aunque el tamaño de los cassettes genéticos insertados (1 Kb) no sugiere la inserción de un número importante de genes en su interior


Subject(s)
Humans , Drug Resistance, Microbial , Cross Infection/microbiology , Klebsiella Infections , Klebsiella pneumoniae , Pseudomonas Infections , Drug Resistance, Multiple, Bacterial
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