Publications by authors named "Rosario L"

Background: Puerto Rico (PR) is highly vulnerable to hurricanes, which severely impact cancer survivors by causing healthcare disruptions and increasing stress. This study investigates the reliability and factor structure of the Hurricane Hazards Inventory (HHI) and its relationship with psychological distress among cancer survivors and non-cancer controls in PR.

Methods: Using secondary data from a longitudinal study following Hurricane Maria (HM), the baseline assessment included sociodemographic data from participants, HHI, Patient Health Questionnaire (PHQ-8), and Generalized Anxiety Disorder (GAD-7).

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The aim of this work was to validate the measurements of three physiological parameters, namely, body temperature, heart rate, and peripheral oxygen saturation, captured with an out-of-the-lab device using measurements taken with clinically proven devices. The out-of-the-lab specialized device was integrated into a customized mHealth application, e-CoVig, developed within the AIM Health project. To perform the analysis, single consecutive measurements of the three vital parameters obtained with e-CoVig and with the standard devices from patients in an intensive care unit were collected, preprocessed, and then analyzed through classical agreement analysis, where we used Lin's concordance coefficient to assess the agreement correlation and Bland-Altman plots with exact confidence intervals for the limits of agreement to analyze the paired data readings.

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Cardiovascular diseases are the main cause of death in the world and cardiovascular imaging techniques are the mainstay of noninvasive diagnosis. Aortic stenosis is a lethal cardiac disease preceded by aortic valve calcification for several years. Data-driven tools developed with Deep Learning (DL) algorithms can process and categorize medical images data, providing fast diagnoses with considered reliability, to improve healthcare effectiveness.

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Introduction: On-treatment excursions of liver laboratory test values in clinical trials involving subjects with underlying liver disease are relevant for the efficacy and safety assessment of drug products and biologics. Existing visualization and analysis tools do not efficiently provide an integrated view of these excursions when baseline liver tests are abnormal.

Objective: The aim of this study was to develop a composite plot that enables visualization of on-treatment changes in liver test results both as multiples of the upper limit of normal defined by each laboratory's reference population (×ULN) and multiples of the subjects' baseline (×BLN) values.

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Cardiovascular diseases (CVDs) account for a significant portion of global mortality, emphasizing the need for effective strategies. This study focuses on myocardial infarction, pulmonary thromboembolism, and aortic stenosis, aiming to empower medical practitioners with tools for informed decision making and timely interventions. Drawing from data at Hospital Santa Maria, our approach combines exploratory data analysis (EDA) and predictive machine learning (ML) models, guided by the Cross-Industry Standard Process for Data Mining (CRISP-DM) methodology.

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Background: Advanced cancer patients need an accurate understanding of their prognoses in order to engage in informed end-of-life care treatment decision-making. Latino cancer patients experience disparities around prognostic understanding, in part due to a lack of culturally competent communication around prognosis and advance care planning (ACP).

Objective: The objective of the present study of Latino patients with advanced, terminally ill cancer is to examine their understanding of prognosis, and how cultural factors may influence this understanding and engagement in ACP.

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Rattus norvegicus and Rattus rattus are commensal pest rodents, considered reservoirs and vectors of zoonotic pathogens. In livestock farms, the wide use of antimicrobials and their release into the environment lead to high long-term residual concentrations, which may in turn lead to the occurrence of antimicrobial resistance (AMR). Farm environments serve as AMR sources, resulting in the transmission of antimicrobial-resistant bacteria and their AMR genes of livestock origin into wildlife.

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Article Synopsis
  • - Patients with blood cancers have a weakened immune response to the Omicron variants of SARS-CoV-2.
  • - The study shows that Sotrovimab, a monoclonal antibody treatment, continues to effectively neutralize all examined Omicron subvariants.
  • - These findings highlight the need for close monitoring and potential treatment strategies for immunocompromised patients during the pandemic.
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Zinc is a transition metal that is particularly abundant in the mossy fibers of the hippocampal CA3 area. Despite the large number of studies about the zinc role in mossy fibers, the action of zinc in synaptic mechanisms is only partly known. The use of computational models can be a useful tool for this study.

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Common bile duct (CBD) stones associated with cholecystitis can be treated by single-stage CBD exploration at the time of cholecystectomy or a two-stage approach with endoscopic stone extraction before or after cholecystectomy. The ideal management remains a matter of debate. The aim of this study is to analyze our outcomes with transcystic laparoscopic common bile duct exploration (LCBDE).

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Patients with blood cancer continue to have a greater risk of inadequate immune responses following three COVID-19 vaccine doses and risk of severe COVID-19 disease. In the context of the CAPTURE study (NCT03226886), we report immune responses in 80 patients with blood cancer who received a fourth dose of BNT162b2. We measured neutralizing antibody titers (NAbTs) using a live virus microneutralization assay against wild-type (WT), Delta, and Omicron BA.

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Article Synopsis
  • Family and cultural values play a crucial role in how Latinx patients cope with advanced cancer, emphasizing the importance of familial support and communication.
  • In-depth interviews with 24 Latinx cancer patients revealed that family is central to their meaning-making and adjustment during treatment.
  • The study advocates for integrating cultural elements, like family involvement, into psychological therapies for better support of Latinx individuals facing advanced cancer.
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  • This report examines the link between family functioning (like cohesion and expressiveness) and psychosocial needs in Spanish Latinx patients facing advanced cancer.
  • It analyzed data from 103 patients, finding that most had low family functioning, which correlated with worse mental health outcomes like anxiety and depression.
  • The study highlights that better family dynamics can improve quality of life and reduce feelings of hopelessness among these patients.
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Latinx advanced cancer patients and caregivers are less likely to have adequate access to culturally congruent psychosocial interventions. Culturally relevant and adapted interventions are more effective within minority groups. We obtained patients' and caregivers' initial evaluations of the Caregivers-Patients Support to Latinx coping with advanced-cancer (CASA) protocol.

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  • Plasma phosphorylated tau (p-tau) levels are elevated in patients with amyotrophic lateral sclerosis (ALS), a neurodegenerative disease not typically associated with tau pathology, compared to healthy controls.
  • While plasma p-tau can distinguish ALS from healthy individuals, it does not effectively differentiate between ALS and Alzheimer's disease (AD).
  • Elevated p-tau in ALS correlates with lower motor neuron signs and spinal cord neuron loss, suggesting its potential as a marker for lower motor neuron dysfunction.
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: Amyotrophic lateral sclerosis (ALS) is a multi-system disorder characterized primarily by motor neuron degeneration, but may be accompanied by cognitive dysfunction. Statistically appropriate criteria for establishing cognitive impairment (CI) in ALS are lacking. We evaluate quantile regression (QR), that accounts for age and education, relative to a traditional two standard deviation (SD) cutoff for defining CI.

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Article Synopsis
  • * Out of those tested, 118 had COVID-19, with 94 showing symptoms and only 2 fatalities, revealing high levels of S1-reactive and neutralizing antibodies against the virus.
  • * Immune responses varied, particularly with hematological cancer patients showing unique challenges but still managing clinical recovery, highlighting the need for more research on immune durability against different SARS-CoV-2 variants.
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  • The CAPTURE study evaluated COVID-19 immunity in 585 cancer patients after receiving two doses of either BNT162b2 or AZD1222 vaccines, revealing seroconversion rates of 85% for those with solid tumors and 59% for those with hematological malignancies.
  • Patients with hematological cancers had significantly lower levels of detectable neutralizing antibodies (NAbT) against SARS-CoV-2 variants compared to those with solid tumors and healthy individuals.
  • Previous COVID-19 infections increased NAb responses, particularly against variants, but treatment with anti-CD20 medications correlated with undetectable NAbT, highlighting important considerations for cancer patient management during the pandemic.
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CAPTURE (NCT03226886) is a prospective cohort study of COVID-19 immunity in patients with cancer. Here we evaluated 585 patients following administration of two doses of BNT162b2 or AZD1222 vaccines, administered 12 weeks apart. Seroconversion rates after two doses were 85% and 59% in patients with solid and hematological malignancies, respectively.

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ADAPTeR is a prospective, phase II study of nivolumab (anti-PD-1) in 15 treatment-naive patients (115 multiregion tumor samples) with metastatic clear cell renal cell carcinoma (ccRCC) aiming to understand the mechanism underpinning therapeutic response. Genomic analyses show no correlation between tumor molecular features and response, whereas ccRCC-specific human endogenous retrovirus expression indirectly correlates with clinical response. T cell receptor (TCR) analysis reveals a significantly higher number of expanded TCR clones pre-treatment in responders suggesting pre-existing immunity.

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Article Synopsis
  • * A high percentage (83%) of patients developed S1-reactive antibodies, but neutralizing antibody levels against virus variants (Alpha, Beta, Delta) were significantly lower, despite stable levels over time.
  • * The study indicated that while most patients had detectable SARS-CoV-2-specific T cells and antibody responses, those with blood cancers exhibited weaker immune responses linked to their specific conditions and treatments, yet they still showed some compensatory immune activity.
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Purpose: Insight is currently considered to be responsible for 20% to 40% of the cases of ineffective obsessive-compulsive disorder (OCD) treatment. As 15% to 36% of patients with OCD have reduced insight, we aimed to identify some of the clinical determinants of insight in OCD.

Results: Our sample consisted of 57 OCD patients, of which 34 men (59%) and 23 women (41%).

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