788 results match your criteria: "University Hospital Ramon Y Cajal[Affiliation]"

We assessed the prevalence and factors associated with HIV-infected patients' interest in trying long-acting injectable antiretroviral treatment (LAI-ART) along with its expected benefits and concerns, and evaluated physicians' opinions about LAI-ART. This study was set within the multi-center prospective CoRIS cohort, comprising HIV-positive adults, naïve to antiretroviral treatment (ART) at study entry, recruited from 2004 onward in 48 centers in Spain. In June 2022, we conducted a 2-day cross-sectional survey among patients across 34 CoRIS centers and sent an online questionnaire to all physicians prescribing ART in 39 CoRIS centers.

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Article Synopsis
  • Maraviroc (MVC) is an antiretroviral drug that blocks HIV from entering cells by binding to CCR5 receptors and is being investigated as a latency reversal agent for HIV cure strategies.
  • In a study, CD4 T cells were exposed to MVC to assess its impact on cell activation and metabolic rates, using techniques like flow cytometry and a Seahorse Analyzer.
  • Findings showed that high concentrations of MVC did not significantly alter activation markers or metabolic rates in CD4 T cells, suggesting that MVC has a favorable safety profile as a candidate for HIV treatment without affecting immune cell functionality.
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  • There is ongoing debate about whether sex influences the effectiveness of immune checkpoint inhibitors in cancer treatment, specifically for metastatic renal cell carcinoma (mRCC).
  • A study involving 1,827 mRCC patients from multiple countries found that overall median overall survival (OS) was similar for both sexes, but males performed better in specific subgroups, particularly younger patients and those with certain cancer histologies.
  • Interestingly, female sex was identified as a negative prognostic factor in patients with sarcomatoid differentiation, suggesting that despite women having stronger immune responses, their outcomes in these cases were worse than those of men.
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Background: Due to the establishment of screening mammography for breast cancer detection, the number of non-palpable lesions has increased. Thus, an optimal localization system is mandatory for the excision of non-palpable breast tumors.

Objective: The aim of the study is to report the feasibility Surgical Marker Navigation (SMN) system Sirius Pintuition® for the excision of non-palpable breast tumors and non-palpable axillary lymph nodes.

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This cross-sectional study investigates the methicillin-resistant (MRSA): its prevalence, antimicrobial resistance, and molecular characteristics in healthy swine populations in central Portugal. A total of 213 samples were collected from pigs on twelve farms, and MRSA prevalence was assessed using selective agar plates and confirmed via molecular methods. Antimicrobial susceptibility testing and whole genome sequencing (WGS) were performed to characterize resistance profiles and genetic determinants.

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Ti/Ta-based composite polysaccharide scaffolds for guided bone regeneration in total hip arthroplasty.

Int J Biol Macromol

June 2024

Ramón y Cajal Institute of Sanitary Research (IRYCIS), 28034 Madrid, Spain; Department of Surgery, Medical and Social Sciences, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Alcala de Henares, Spain; Service of Traumatology, University Hospital Ramón y Cajal, 28034 Madrid, Spain.

Guided bone regeneration can play an important role in orthopedic applications. This work presents the synthesis and characterization of composite scaffolds based on polysaccharides loaded with microparticles of titanium or tantalum as novel materials proposed for composite systems with promising characteristics for guided bone regeneration. Ti/Ta composite scaffolds were synthesized using chitosan and gellan gum as organic substrates and crosslinked with oxidized dextran resulting in stable inorganic-organic composites.

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Background: Fat malabsorption in children with cystic fibrosis (CF) leads to poor nutritional status and altered colonic microbiota. This study aimed at establishing the faecal lipid profile in children with CF, and exploring associations between the faecal lipidome and microbiota.

Methods: Cross-sectional observational study with children with CF and an age-matched control group.

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Background: Transcatheter aortic valve implantation (TAVI) is increasingly being used in younger patients and those with lower peri-procedural risk, meaning more patients will live long enough to experience structural valve deterioration (SVD) of the bioprosthesis, indicating repeated TAVI. Experience of repeated TAVI-transcatheter heart valve (THV) implantation into an index THV is limited. This registry aims to assess the peri-procedural and short-term safety, efficacy and durability of repeated TAVI.

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Objective: The International Commission on Radiological Protection has highlighted the large number of medical specialties that use fluoroscopy outside diagnostic imaging departments without radiation protection programmes for patients and staff. Vascular surgery is one of these specialties. Thoracic endovascular aortic repair (TEVAR) is a complicated procedure requiring radiation protection guidance and optimisation.

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Background: Celiac disease is a gluten-related pathology, highly prevalent and heterogeneous in its clinical presentation, which leads to delays in diagnosis and misdiagnosis. The analysis of duodenal intraepithelial lymphocytes (IELs) by flow cytometry (lymphogram) is emerging as a discriminative tool in the diagnosis of various forms of celiac disease (CD).

Aims: The aim of this study was to validate IEL lymphogram performance in the largest adult series to our knowledge, in support of its use as a diagnostic tool and as a biomarker of the dynamic celiac process.

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Ascending aortic dilatation in TAVI: Actor or bystander?

Int J Cardiol

July 2024

Department of Cardiology, University Hospital Ramón y Cajal, Madrid, Spain. Instituto Ramón y Cajal de Investigación Sanitaria - IRYCIS, CYBER cardiovascular, University of Alcalá de Henares, Madrid, Spain.

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Safety and effectiveness of isavuconazole in real-life non-neutropenic patients.

Int J Infect Dis

July 2024

Department of Infectious Diseases, Hospital Clinic of Barcelona-IDIBAPS, University of Barcelona, Barcelona, Spain; Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona (UB), c. Casanova, 143, 08036 Barcelona, Spain.; CIBER Enfermedades Infecciosas (CIBERINFEC), ISCIII, Madrid, Spain. Electronic address:

Article Synopsis
  • The study evaluated the safety and effectiveness of isavuconazole in treating non-neutropenic patients with invasive fungal infections (IFIs) across 12 university hospitals from 2018 to 2022.
  • A total of 238 cases were analyzed, with aspergillosis being the most common infection, and only 5.9% of patients experienced toxic effects, mostly related to liver issues.
  • The treatment showed a successful clinical response in about 50.5% of patients after 12 weeks, indicating isavuconazole is a viable option for this patient group.
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The authors present a case of percutaneous closure of an incomplete surgical left atrial appendage (LAA) ligation with a new device LAmbre (Lifetech ScientificCo Ltd).

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Aim: Severe functional tricuspid regurgitation (FTR) is associated with high risk of cardiovascular events, particularly heart failure (HF) and mortality. MicroRNAs (miRNAs) have been recently identified as novel biomarkers in different cardiovascular conditions, but no studies have focused on FTR. We sought to (1) to identify and validate circulating miRNAs as regulators of FTR and (2) to test association of miRNA with heart failure and mortality in FTR.

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Introduction: Continuously acquired smartphone keyboard interactions may be useful to monitor progression in multiple sclerosis (MS). We aimed to study the correlation between tapping speed (TS), measured as keys/s, and baseline disability scales in patients with MS.

Methods: Single-center prospective study in patients with MS.

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: Evaluating the predictors of unfavorable outcomes in patients with ankle fractures is crucial for identifying high-risk patients and implementing personalized treatment strategies. This study aimed to analyze factors that influence quality of life in patients with ankle fractures. : Four databases were consulted.

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Background: PHERGain was designed to assess the feasibility, safety, and efficacy of a chemotherapy-free treatment based on a dual human epidermal growth factor receptor 2 (HER2) blockade with trastuzumab and pertuzumab in patients with HER2-positive early breast cancer (EBC). It used an fluorine-fluorodeoxyglucose-PET-based, pathological complete response (pCR)-adapted strategy.

Methods: PHERGain was a randomised, open-label, phase 2 trial that took place in 45 hospitals in seven European countries.

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Introduction: Previous reports and meta-analyses derived from small case series reported a mortality rate of up to 40% in patients with coronavirus disease 2019 associated cerebral venous thrombosis (COVID-CVT). We assessed the clinical characteristics and outcomes in an international cohort of patients with COVID-CVT.

Patients And Methods: This was a registry study of consecutive COVID-CVT patients diagnosed between March 2020 and March 2023.

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Patients with metastatic epidural spinal cord compression (MESCC) and favorable survival prognoses may benefit from radiation doses exceeding 10 × 3.0 Gy. In a multi-center phase 2 trial, patients receiving 15 × 2.

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Immune checkpoint inhibitors have been proposed as the standard treatment for different stages of non-small-cell lung cancer in multiple indications. Not all patients benefit from these treatments, however, and certain patients develop immune-related adverse events. Although the search for predictors of response to these drugs is a major field of research, these issues have yet to be resolved.

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Consensus definitions in imported human schistosomiasis: a GeoSentinel and TropNet Delphi study.

Lancet Infect Dis

October 2024

Department of Infectious-Tropical Diseases and Microbiology, IRCCS Sacro Cuore Don Calabria Hospital, Negrar di Valpolicella, Verona, Italy; Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy.

Article Synopsis
  • Terminology inconsistencies in schistosomiasis cause confusion in data interpretation and clinical descriptions, prompting this study to establish consensus definitions for clinical aspects of the disease in migrants and travelers.
  • The Delphi method was utilized, involving a group of experts from GeoSentinel and TropNet who provided input on the definitions, which were revised and pilot-tested.
  • After several rounds of feedback and analysis, a high level of consensus (79-100% agreement) was achieved for all proposed definitions, which will enhance communication and support future research and guidelines for managing schistosomiasis.
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  • The MOSCA-FRAIL trial investigated treatment approaches for frail patients (aged ≥70) with non-ST-segment elevation myocardial infarction (NSTEMI) and found no significant difference in health outcomes after one year between invasive and conservative strategies.
  • Following extended follow-up until January 2023, the analysis of 167 patients indicated similar survival times and readmission rates, revealing that neither treatment significantly outperformed the other.
  • Overall, while initial outcomes suggested that invasive treatment might lead to shorter survival in the first year, the long-term results demonstrated inconclusive differences, highlighting the need for personalized treatment decisions in frail older adults.
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Atrial secondary tricuspid regurgitation (A-STR) is a distinct phenotype of secondary tricuspid regurgitation with predominant dilation of the right atrium and normal right and left ventricular function. Atrial secondary tricuspid regurgitation occurs most commonly in elderly women with atrial fibrillation and in heart failure with preserved ejection fraction in sinus rhythm. In A-STR, the main mechanism of leaflet malcoaptation is related to the presence of a significant dilation of the tricuspid annulus secondary to right atrial enlargement.

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