Publications by authors named "Alfredo Maldonado-Barrueco"

Endometriosis, infertility, or recurrent pregnancy loss (RPL) are entities characterised by a decrease in Lactobacillus spp. and an increase in bacterial vaginosis-associated bacteria, (BVAV) according with 16S rRNA sequencing studies. However, the use of nucleic acid amplification tests (NAAT) as a tool for diagnosis algorithms is unknown.

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Globally, an increase in sexually transmitted diseases worldwide has been reported, including acquired infection. Congenital syphilis is the mother-to-child transmission syphilis infection, experiencing an increase in cases returning to incidence rates of years ago. We report three cases of symptomatic congenital syphilis occurring in a tertiary-care hospital in Madrid (Spain).

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Article Synopsis
  • - An increase in gonococcal infections has been observed in Europe and Spain, leading to more cases of disseminated gonococcal infection, which can include gonococcal arthritis.
  • - Five cases of gonococcal arthritis were reported in a Madrid hospital between October 2022 and October 2023, primarily affecting male patients with a history of unprotected sex.
  • - Advances in molecular techniques have improved the identification of culture-negative gonococcal arthritis cases and have revealed mutations linked to fluoroquinolone resistance, prompting a shift towards oral treatments.
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Objectives: The aim was to assess the impact of the SARS-CoV-2 pandemic on the prevalence, relative incidence (RI), incidence density (ID), ratio of rate incidence (RRI), rate of incidence density (RID), and relative risks (RR) of healthcare-onset Clostridioides difficile infection (HO-CDI) as well as its correlation with the antibiotic consumption.

Methods: Demographic and analytical data of adult patients exhibiting diarrhoea and testing positive for C. difficile were systematically collected from a tertiary care hospital in Madrid (Spain).

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Objectives: Rapid management of patients with respiratory tract infections in hospital emergency departments is one of the main objectives since the concurrent circulation of respiratory viruses following the SARS-CoV-2 pandemic. The use of new combined point-of-care antigen tests for detecting influenza A/B and SARS-CoV-2 represents an advantage in response time over the molecular tests. The objective was to evaluate the suitability of the CLINITEST® Rapid Covid-19 + Influenza Antigen test (Siemens Healthineers, Germany) (RCIA test) by measuring the sensitivity, specificity, Cohen's kappa, and cut-off values.

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Article Synopsis
  • * The study compared a gradient diffusion test to a new molecular method (Allplex™ NG&DR assay) for detecting mutations linked to resistance in 100 NG isolates, finding no significant correlation for fluoroquinolone resistance but identified a high rate of S91F mutations.
  • * While the molecular method showed good sensitivity (96.1%) and specificity (90.9%) for fluoroquinolone resistance, it cannot replace the gradient diffusion test for macrolides due to lack of positive results for resistance mutations.
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The aim of this study was to describe the impact of non-pharmaceutical interventions (NPIs) against SARS-CoV-2 on bacterial gastroenteritis illnesses (BGIs), including spp., spp., spp.

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Objectives: To study the genomic epidemiology of Streptococcus pyogenes causing bloodstream infections (GAS-BSI) in a Spanish tertiary hospital during the United Kingdom invasive S. pyogenes outbreak alert.

Methods: Retrospective epidemiological analysis of GAS-BSI during the January-May 2017-2023 period.

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Introduction: Human intestinal spirochetosis (HIE) is a poorly studied clinical entity with variable clinical manifestations. However, in recent years it has gained special relevance because an increasing number of cases have been described in people living with HIV (PWH) and in patients with a history of sexually transmitted infections (STI) or immunosuppression.

Methods: Retrospective review of all HIE cases identified in a tertiary level hospital (Hospital Universitario la Paz, Madrid) between 2014 and 2021.

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Since the beginning of the monkeypox (mpox) virus outbreak in May 2022, there has been an increase in the number of cases worldwide in the setting of sexual transmission. We have tested by real-time PCR 187 mpox patients, of which 157 patients were screened for sexually transmitted infections (STI) in 245 samples. Thirty-six pathogens were detected in 30 patients: herpes simplex virus (HSV-I/II, 12/36, 33.

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The aim is determining the impact of non-pharmaceutical measures (NPIs) against SARS-CoV-2 in the incidence and prevalence of gastrointestinal viruses (GV) in children. Demographic, analytical, and clinical data of children from which samples were received at the Hospital Universitario La Paz (Madrid, Spain) and that had a gastrointestinal infection with a positive sample through multiplex-PCR for GV were collected. The time periods included were prepandemic (P1): March 14, 2019 to March 14, 2020 and pandemic (P2): March 15, 2020 to March 15, 2021.

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