Publications by authors named "Inmaculada Quiles Melero"

Background And Objectives: Bacteria in tracheal aspirate samples from children with tracheostomy can indicate infection or colonization. Our study aimed to determine whether bacterial counts > 10 or > 10 CFU (colony forming units)/mL are more frequently associated with tracheobronchitis. Additionally, we aimed to examine the association between bacterial count and variables distinguishing colonization from infection in tracheobronchitis, along with clinical severity indicators.

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Article Synopsis
  • Respiratory infections significantly affect hospitalization rates and costs for children with tracheostomies, prompting a study on antibiotic treatment patterns.
  • The research analyzed medical records of 83 children to evaluate antibiotic use for tracheobronchitis and nonspecific respiratory episodes (NSRE), revealing that a high percentage of tracheobronchitis cases received antibiotics, while many NSRE cases did not require them.
  • Factors like fever were linked to increased antibiotic prescriptions, but many cases resolved without treatment, indicating the need for careful antibiotic prescription practices to avoid unnecessary usage.
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Background/objectives: This study aims to evaluate the impact of the PCR multiplex panel (BioFire JI) on the diagnosis and management of pediatric osteoarticular infections.

Methods: This retrospective study analyzed data from pediatric patients diagnosed with osteoarticular infections between January 2023 and April 2024. The effectiveness of the PCR multiplex panel in identifying pathogens was compared with traditional culture methods.

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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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  • This study aims to quickly and accurately detect the Y132F ERG11p mutation in Candida parapsilosis isolates and to analyze genetic diversity among these isolates for better tracking of fluconazole resistance.!* -
  • The research involved 223 isolates from patients across 20 hospitals in Spain and Italy, using newly optimized PCR methods that require no DNA extraction and provide results in as little as 1.5 hours.!* -
  • The findings confirm both PCR methods have 100% specificity and sensitivity, with Scheme 1 showing greater genetic diversity compared to Scheme 2, suggesting the use of specific microsatellite markers for better genotyping of resistant strains.!*
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Background: Despite respiratory infections being a leading cause of hospitalization in children with tracheostomy tubes, there are no published guidelines for their diagnosis and management. This study aims to outline the clinical, laboratory and microbiological aspects of pneumonia in these children, along with the antibiotics used and outcomes. Additionally, it seeks to determine pneumonia incidence and associated risk factors.

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  • - 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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Background: Fluconazole-resistant Candida parapsilosis is a matter of concern.

Objectives: To describe fluconazole-resistant C. parapsilosis genotypes circulating across hospitals in Spain and Rome and to study their azole-resistance profile associated with ERG11p substitutions.

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  • * 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 study focused on understanding the clinical impact of filamentous basidiomycetes found in respiratory samples, which are often seen as environmental contaminants.
  • - Researchers analyzed respiratory sample data from a tertiary care hospital between 2020 and 2023, identifying six unique basidiomycete species in immunosuppressed patients, all of whom improved without antifungal treatment.
  • - The findings suggest that while the clinical significance of these fungi remains unclear, their presence in at-risk patients warrants further investigation, particularly concerning possible allergic reactions or invasive infections.
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Traditionally, lymphogranuloma venereum (LGV) has been associated with disease of the genital area. However, atypical presentations and proctitis are increasingly observed. We report a case of LGV affecting the dorsum of the tongue, which presented as a very painful ulcer.

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  • The study builds on findings from the CANDIMAD study (2019-2021) regarding antifungal resistance in Madrid, revealing trends of increased fluconazole resistance in 2022 among isolates from blood cultures and intra-abdominal samples.
  • A total of 766 isolates were collected, with a notable rise in fluconazole resistance (12.0% overall, 16.0% in blood cultures), largely attributed to specific resistant clones, while resistance to other antifungals remained low.
  • The data indicates a concerning spread of fluconazole-resistant genotypes in Madrid, with up to 7 out of 16 hospitals reporting affected cases, highlighting the need for vigilance in antifungal treatment strategies.
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Background And Objectives: Respiratory infections are the most frequent cause of hospitalization in tracheostomized children. However, there is a lack of publications to guide their management. The primary objective was to describe the microbiological isolates and their antibiotic susceptibilities of bacterial respiratory infections in a population of tracheostomized children.

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Objectives: Antifungal susceptibility testing is mostly conducted on blood-cultured Candida spp isolates. Because the intra-abdominal cavity has been highlighted as a hidden echinocandin-resistant C. glabrata reservoir, we assessed whether testing sequential isolates from a given patient might increase the chances of detecting antifungal resistance.

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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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Background: Candidaemia and invasive candidiasis are typically hospital-acquired. Genotyping isolates from patients admitted to different hospitals may be helpful in tracking clones spreading across hospitals, especially those showing antifungal resistance.

Methods: We characterized clusters by studying isolates (, = 1041; , = 354, and , = 125) from blood cultures (53.

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Objectives: We prospectively monitored the epidemiology and antifungal susceptibility of Candida spp. from blood cultures and intra-abdominal samples in patients admitted to hospitals in the Madrid area.

Methods: Between 2019 and 2021, we prospectively collected incident isolates [one per species, patient and compartment (blood cultures versus intra-abdominal samples)] from patients admitted to any of 16 hospitals located in Madrid.

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We have been monitoring the antifungal resistance in Candida parapsilosis isolates collected from inpatients at Madrid metropolitan area hospitals for the last 3 years. The study aimed to elucidate the presence of fluconazole-resistant C. parapsilosis genotypes in Madrid.

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  • A study screened 136 young pregnant women (≤25 years old) for Chlamydia trachomatis infection in Madrid, focusing on their urine samples after childbirth.
  • The prevalence of the infection among the women was found to be 18.4%, with a confidence interval between 11.9% and 24.9%.
  • The perinatal transmission rate of the infection to newborns was 35%, highlighting the importance of implementing antenatal screening programs for high-risk women.
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Invasive fungal infections have increased over the last decades and the therapeutic choices to treat them are limited. The antifungal agents currently available are useful and have optimal in vitro activity; however, their activity can be lowered due to the development of fungal resistance. The increase in primary or secondary resistance to some antifungal drugs has led to the search of alternatives such as the combination of drugs or the development of new antifungals.

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