Verónica Villagra

Short-term repeat HPV testing for triaging HPV-positive women in cervical cancer screening

Armando Baena, Marı́a Alejandra Picconi, Laura Mendoza, Annabelle Ferrera et autres

BACKGROUND: Persistent HPV infection causes cervical cancer, but most infections are transient. Triage methods identify high-risk women needing further evaluation or treatment. We assessed short-term repeat HPV testing as an alternative triage option. METHODS: In ESTAMPA, women aged 30-64 years were screened …

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Comparación de técnicas moleculares de detección del virus del papiloma humano en muestras cervicales de mujeres paraguayas

Verónica Villagra, Patricia Langjahr, María Liz Bobadilla, Gladys Olmedo et autres

El virus del papiloma humano (VPH) es causa necesaria pero no suficiente del cáncer de cuello uterino (CCU), cuarta causa de muerte en mujeres a nivel mundial. En nuestro país, la incidencia y mortalidad de CCU es de 30,6 y 16,7 por …

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Bioabsorción y traslocación de cromo trivalente en la macrófita flotante Pistia stratiotes

Leónida Medina, Giselle Mariza Duré, Shaun McGahan, Hajime G. Kurita-Oyamada et autres

En este trabajo se evaluó la capacidad de P. stratiotes para absorber, transferir y eliminar cromo trivalente en solución acuosa de sulfato básico de cromo en diferentes concentraciones, con un enfoque en posibles aplicaciones en la fitorremediación de efluentes de curtiembres. También …

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Human Papillomavirus (HPV) Infection and Risk Behavior in Vaccinated and Non-Vaccinated Paraguayan Young Women

María Liz Bobadilla, Verónica Villagra, Héctor Castro, Soraya Araya et autres

Cervical cancer is a global health concern and ranks fourth among the most prevalent cancers in women worldwide. Human papillomavirus (HPV) infection is a known precursor of cervical cancer and preventive measures include prophylactic vaccines. This study focused on sexually active Paraguayan …

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Removal of Chromium (III) and Reduction in Toxicity in a Primary Tannery Effluent Using Two Floating Macrophytes

Tomás López, Deidamia Franco, Leónida Medina, C. García Benítez et autres

Trivalent chromium (Cr(III)) is a contaminant with toxic activity. Its presence in waters and soils is usually related to industrial activities such as tanneries. The aim of this study was to compare the removal of Cr(III) in hydroponic solutions and tannery effluents …

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Performance of cervical cytology and HPV testing for primary cervical cancer screening in Latin America: an analysis within the ESTAMPA study

Arianis Tatiana Ramírez, Joan Valls, Armando Baena, Freddy David Rojas et autres

Background: Cervical cytology remains widely used as the initial tool in cervical cancer screening worldwide. WHO guidelines recommend replacing cytology with primary HPV testing to reach cervical cancer elimination goals. We assessed the performance of cytology and high-risk HPV testing to detect …

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High prevalence and co-infection of high-risk Human Papillomavirus genotypes among unvaccinated young women from Paraguay

María Liz Bobadilla, Verónica Villagra, Violeta Ortiz, Gerardo Deluca et autres

Paraguay launched a human papillomavirus (HPV) vaccination program in 2013, so virological surveillance is important for measuring the impact of HPV vaccines. This study aimed to estimate the type-specific HPV frequency in unvaccinated sexually active women aged 18-25 years in the metropolitan …

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Performance of standardised colposcopy to detect cervical precancer and cancer for triage of women testing positive for human papillomavirus: results from the ESTAMPA multicentric screening study

Joan Valls, Armando Baena, Gino Venegas, Marcela Celis et autres

BACKGROUND: Colposcopy, currently included in WHO recommendations as an option to triage human papillomavirus (HPV)-positive women, remains as the reference standard to guide both biopsy for confirmation of cervical precancer and cancer and treatment approaches. We aim to evaluate the performance of …

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Distribución de virus de papiloma humano de alto riesgo oncogénico y otras infecciones de transmisión sexual en mujeres paraguayas con y sin virus de la inmunodeficiencia humana

Verónica Villagra, María Liz Bobadilla, Gladys Olmedo, Pablo Pratt-Santacruz et autres

El virus de papiloma humano de alto riesgo oncogénico (VPH-AR) es causa necesaria pero no suficiente para la ocurrencia de cáncer de cuello uterino (CCU). Mujeres portadoras del virus de inmunodeficiencia humana (VIH) presentan mayor riesgo de desarrollar lesiones precursoras del cáncer …

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Implementing HPV testing in 9 Latin American countries: The laboratory perspective as observed in the ESTAMPA study

Marı́a Alejandra Picconi, Annabelle Ferrera, Gloria Inés Sánchez, María de la Luz Hernández et autres

Background Replacement of cytology screening with HPV testing is recommended and essential for cervical cancer elimination. HPV testing for primary screening was implemented in 12 laboratories within 9 Latin American countries, as part of the ESTAMPA cervical cancer screening study. Our observations …

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Inmunización feto materna contra antígenos de HLA en mujeres de una población paraguaya

Fernanda Prieto-Casal, Claudia Cabañas, Sonia Maria Figueredo, Verónica Villagra

El embarazo es la única causa natural de inmunización contra el sistema de Antígenos Leucocitarios Humano (HLA). Durante la gestación hay paso de leucocitos fetales a través de la placenta, lo que puede desencadenar en la madre una respuesta inmunológica contra los …

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Intervención Social y Procesos Sociales: un estudio sobre la territorialidad, desterritorialidad y politicidad en la ciudad de Paraná

Alicia Raquel Petrucci, Susana del Valle Cazzaniga, María Rosana Pieruzzini, R Franco et autres

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