Publications by authors named "Ruiz I"

Background And Objective: Accurate detection of spontaneous breathings (SBs) and respiratory asynchronies during mechanical ventilation (MV) is essential for optimizing patient care and preventing lung injuries. Conventional models often fail to capture these events with sufficient accuracy. To address this gap, this study introduces new equations incorporating custom shape functions and the Slice method, aiming to deliver a more robust, "bedside" model with potential applications in real-time asynchrony detection.

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Background: Genetic testing for neurodevelopmental disorders is now considered the standard of care for unexplained epilepsy as well as autism spectrum disorders, intellectual disability, and developmental delays with as many as 50% of individuals identified as having an underlying genetic etiology. Capicua () is a transcriptional repressor and is widely expressed among human brain tissue. Patients in the literature with pathogenic variants in present with a broad spectrum of phenotypic abnormalities.

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Peptidoglycan (PG), a mesh-like structure which is the primary component of the bacterial cell wall, is crucial to maintain cell integrity and shape. While most bacteria rely on penicillin binding proteins (PBPs) for crosslinking, some species also employ LD-transpeptidases (LDTs). Unlike PBPs, the essentiality and biological functions of LDTs remain largely unclear.

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Current knowledge of the role that forests play in recycling rainwater has led to the proposal of forest management practices to mitigate desertification in the western Mediterranean basin. Building upon this hypothesis, we present the Mijares watershed in eastern Spain as a detailed case study. We then perform a scientific literature review in the context of the western Mediterranean basin to identify the physical and biophysical uncertainties associated with forest management practices that aim to strengthen the atmospheric and terrestrial components of the water cycle.

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In this study, an innovative conductive hybrid biomaterial was synthetized using collagen (COL) and reduced graphene oxide (rGO) in order for it to be used as a wound dressing. The hydrogels were plasticized with glycerol and enzymatically cross-linked with horseradish peroxidase (HRP). A successful interaction among the components was demonstrated by FTIR, XRD, and XPS.

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The southeastern Bay of Biscay has been described as a "dead end" for floating marine litter, often accumulating along small-scale linear streaks. Coastal Current Convergence Structures (CCS), often associated with vertical motions at river plume edges, estuarine fronts, or other physical processes, can be at the origin of the accumulation. Understanding the formation of CCS and their role in the transport of marine litter is essential to better quantify and to help mitigate marine litter pollution.

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  • Marinas play a crucial role in maritime leisure and transport but can negatively impact sediment quality in their vicinity.
  • This study analyzed sediment samples from Bracuhy marina in Southeast Brazil to track metal contamination linked to antifouling paints, focusing on elements like Cu, Zn, Pb, Cd, and Sn.
  • Results showed significant increases in Cu and Zn levels, up to 15 and 5 times the baseline, indicating severe contamination coinciding with marina activities, highlighting the environmental consequences of such operations.
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Quantum gravitational effects become significant at a cutoff that can be much lower than the Planck scale whenever there is a large number of light fields. This is expected to occur at any perturbative limit of an effective field theory coupled to gravity, or equivalently, at infinite distance in the field space of the UV completion. In this note, we present a universal pattern that links the asymptotic variation in field space of the quantum gravity cutoff Λ_{sp} and the characteristic mass of the lightest tower of states m: (∇[over →]m/m)·(∇[over →]Λ_{sp}/Λ_{sp})=[1/(d-2)], with d the spacetime dimension.

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  • The study investigates whether anhedonia in individuals with schizophrenia (SZ) is due to emotional memory impairment for positive experiences instead of a reduced ability to feel pleasure.
  • The research involved 30 SZ participants and 30 healthy controls who completed an eye-tracking task to measure how they remembered pleasant, unpleasant, and neutral stimuli, assessing their emotional responses during and after viewing.
  • Results showed that both groups initially processed emotional stimuli similarly, but SZ participants showed worse recognition for pleasant items over time, indicating a specific issue with remembering positive experiences linked to higher anhedonia severity.
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Animals constantly integrate sensory information with prior experience to select behavioral responses appropriate to the current situation. Genetic factors supporting this behavioral flexibility are often disrupted in neuropsychiatric conditions, such as the autism-linked gene which supports acoustically evoked habituation learning. encodes an AP2 endocytosis adaptor complex subunit, although its behavioral mechanisms and importance have been unclear.

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Introduction: Insight in psychosis has been conceptualized as a continuous, dynamic, and multidimensional phenomenon. This study aims to determine the impact of delusions and hallucinations in different dimensions of clinical insight in schizophrenia spectrum disorders.

Methods: Cross-sectional multicenter study including 516 patients (336 men) diagnosed with schizophrenia spectrum disorders.

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  • Biphasic papillary renal cell carcinoma (PRCC) is a rare subtype of PRCC with less than 70 reported cases, characterized by a biphasic morphology that includes squamoid features.
  • This study analyzed 17 cases of biphasic PRCC, finding that the average age was 62 years, with a slight male predominance, and most tumors were confined to the kidney, though a few exhibited metastasis.
  • Immunohistochemical analysis revealed that biphasic PRCC tumors show strong expression of specific markers like PAX8 and keratin 7, and about a third of cases had mutations in the MET gene, indicating a potential for further research into their molecular characteristics and behavior.
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Healthcare systems in Latin America are broadly heterogeneous, but all of them are burdened by a dramatic rise in liver disease. Some challenges that these countries face include an increase in patients requiring a transplant, insufficient rates of organ donation, delayed referral, and inequitable or suboptimal access to liver transplant programs and post-transplant care. This could be improved by expanding the donor pool through the implementation of education programs for citizens and referring physicians, as well as the inclusion of extended criteria donors, living donors and split liver transplantation.

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Dendritic cells (DCs) play critical roles in recognizing and presenting antigens to T cells. They secrete dendritic cell-derived extracellular vesicles (DC-sEVs), which could mimic the function of DCs. Therefore, we explore the possibility of using DC-sEVs as a potential personalized vaccine in this study.

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  • The study investigates the prognostic value of different echocardiographic surrogates for right ventricular (RV)-pulmonary arterial (PA) coupling in patients with various cardiac conditions.
  • It analyzed data from 242 patients, comparing conventional metrics like TAPSE and PASP with three-dimensional RV measures such as RV ejection fraction (RVEF) to evaluate their effectiveness in predicting outcomes like death or cardiovascular hospitalization.
  • The results revealed that while all surrogates were independent predictors, RVEF/PASP was the most reliable, demonstrating higher prognostic value compared to TAPSE/PASP.
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Glutaric Aciduria type I (GA1) is a rare neurometabolic disorder caused by mutations in the GDCH gene encoding for glutaryl-CoA dehydrogenase (GCDH) in the catabolic pathway of lysine, hydroxylysine and tryptophan. GCDH deficiency leads to increased concentrations of glutaric acid (GA) and 3-hydroxyglutaric acid (3-OHGA) in body fluids and tissues. These metabolites are the main triggers of brain damage.

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Background: Immunogenic cell death (ICD) is known for releasing damage-associated molecular patterns (DAMPs) from tumor cells. We aimed to find ICD signals by assessing the variation of plasmatic DAMPs (HMGB1, S100A8) before-after standard of care (SoC) systemic treatment in patients with advanced solid tumors.

Methods: Patients scheduled to start a new line of systemic treatment were included.

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Clinical pharmacy is a health discipline in which pharmacists provide patient care that optimizes rational medication use and promotes health, wellness and disease prevention. The beginnings of clinical pharmacy in Chile were inspired by the origin in the School of Pharmacy of the University of California, San Francisco (UCSF), in the mid-1960s. However, the historical development in our country, both in teaching and in the professional field, was accompanied by difficulties and success, which became a long and winding road.

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  • Previous studies noted decreased right ventricular (RV) motion after cardiac surgery, but the long-term effects on both RV and left ventricular (LV) movement were not fully understood.
  • This study examined the longitudinal function of both ventricles in post-surgery patients using echocardiography, comparing results with those who hadn’t undergone surgery.
  • The findings revealed significant reductions in LV global longitudinal strain and RV parameters in the surgery group despite normal ejection fractions, indicating that even years after surgery, biventricular motion is affected and should be interpreted carefully.
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Background: Intramedullary nail fixation is commonly used for prophylactic stabilization of impending and fixation of complete pathological fractures of the long bones. However, metallic artifacts complicate imaging evaluation for bone healing or tumor progression and postoperative radiation planning. Carbon-fiber implants have gained popularity as an alternative, given their radiolucency and superior axial bending.

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  • * A study compared SZ outpatients and healthy controls (CN) using a cognitive effort allocation task (COGED), revealing that SZ participants were less willing to work for rewards and showed less flexibility in their effort choices under varying cognitive demands.
  • * Those with SZ who held strong defeatist beliefs about their performance were particularly reluctant to choose high-effort tasks when faced with increased cognitive load, indicating that addressing these beliefs could help improve decision-making in this population.
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Background: Treatment of chronic hepatitis C virus (HCV) infection with direct-acting antivirals achieves a sustained virologic response rate higher than 95%. However, virologic failure remains a clinical challenge, and data on retreatment are limited, especially in special populations such as liver transplant (LT) recipients.

Objectives: This study evaluated the sofosbuvir plus glecaprevir-pibrentasvir (GLE/PIB) regimen in LT recipients who had failed to a nonstructural protein 5A (NS5A) inhibitor-based regimen.

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Background: The Hepatic hydrothorax is a pleural effusion related to portal hypertension; its diagnosis and therapeutic management may be difficult. The aims of this article are which follows: To gather the practices of hepatogastroenterologists or pulmonologists practitioners regarding the diagnosis and management of the hepatic hydrothorax.

Methods: Practitioners from 13 French- speaking countries were invited to answer an online questionnaire on the hepatic hydrothorax diagnosis and its management.

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Introduction: Turner syndrome association with multi-organ system comorbidities highlights the need for effective implementation of follow-up guidelines. We aimed to assess the adequacy of care with international guidelines published in 2007 and 2017 and to describe the phenotype of patients.

Methods: In this multicenter retrospective descriptive cohort study, we collected growth and pubertal parameters, associated comorbidities, treatment, and karyotype in patients diagnosed at age <18 years between 1993 and 2022.

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Aims: To assess the impact of the molecular subtype (MS) on the total number of CK19 mRNA copies in all positive SLN (TTL) threshold, to predict non-SLN affectation, and to compare 5 years progression-free survival (PFS) according to the risk of recurrence (ROR) group by PAM50.

Methods: Cohort with infiltrating breast cancer with intra-operative metastatic SLN detected by one-step nucleic acid amplification (OSNA) assay who underwent subsequent ALND. Logistic regression was used to assess a possible interaction between TTL and MS(Triple Negative, Her-2-Enriched, Luminal A, or Luminal B), or hormone receptors (HR: positive or negative) by immunohistochemistry (IMH).

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