Publications by authors named "Santiago A"

Background And Objective: There is no strict by-the-book rule as to which approach is the best strabismus surgery for patients with sensory exotropia. More commonly, a monocular lateral rectus recession and a medial rectus resection (monocular R & R; MRR) is performed in the eye with a poorer prognosis. Rarely, for larger deviations, a third or fourth horizontal muscle in the better eye is added.

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Trimethoprim (TMP) and sulfamethoxazole (SMX) are bacteriostatic agents, which are co-administered to patients during infection treatment due to their synergetic effects. Once consumed, TMP and SMX end up in wastewater and are directed to municipal wastewater treatment plants (WWTPs) which fail to remove these contaminants from municipal wastewater. The discharge of WWTP effluents containing antibiotics in the environment is a major concern for public health as it contributes to the spread of antimicrobial resistance.

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Sudden death after myocardial infarction (MI) is associated with electrophysiological heterogeneities and ionic current remodelling. Low ejection fraction (EF) is used in risk stratification, but its mechanistic links with pro-arrhythmic heterogeneities are unknown. We aim to provide mechanistic explanations of clinical phenotypes in acute and chronic MI, from ionic current remodelling to ECG and EF, using human electromechanical modelling and simulation to augment experimental and clinical investigations.

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Objective: To evaluate the risk factors for healthcare-related infections during the COVID-19 pandemic in intensive care units, to investigate the impact of COVID-19 on Central Line-Associated Bloodstream Infection, Catheter-Associated Urinary Tract Infection, and ventilator-associated pneumonia, and to describe healthcare-associated infections in the waves of the COVID-19 pandemic.

Methods: This nested case-control study was conducted in a 137-bed adult medical/surgical intensive care unit at a private hospital in São Paulo, Brazil, between January 11, 2019, and May 21, 2022. Case patients were identified using the Nosocomial Infection Control Committee database and control patients were identified using the intensive care unit's EPIMED system.

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Introduction: Patients with advanced hepatocellular carcinoma (HCC) and macrovascular invasion (MVI) are recommended to receive systemic therapy according to guidelines. Stereotactic body radiotherapy (SBRT) and surgery are increasingly used in this patient population. This study compares outcomes from these local treatments.

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In line with recommendations of Article 11 of the WHO Framework Convention on Tobacco Control, the Philippines has implemented graphic health warnings (GHWs) on cigarette packs. While the Graphic Health Warnings Law was passed in 2014, it was only implemented in 2016. Using a commercial determinants of health framework, this study aims to contribute evidence on Filipinos' perceptions of GHWs and the potential plain packaging of tobacco products in the Philippines.

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Introduction: Medicaid coverage is associated with longer appointment wait times, decreased access to care, and poorer health outcomes compared with private insurance across medical subspecialties. The purpose of this study was to evaluate new patient appointment wait times for subspecialty Orthopaedic care based on insurance type and to identify factors influencing these wait times.

Methods: Orthopaedic physicians were identified using the American Academy of Orthopaedic Surgeons patient-facing database in the fields of Adult Reconstruction, Foot and Ankle, Hand, Sports Medicine, Spine, Pediatric, and General Orthopaedic surgery.

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Background/objectives: Around 20% of cancer patients will develop brain metastases (BrMs), with 15-25% occurring in the posterior fossa (PF). Although the effectiveness of systemic therapies is increasing, surgery followed by stereotactic radiosurgery (S+SRS) versus definitive SRS remains the mainstay of treatment. Given the space restrictions within the PF, patients with BrMs in this location are at higher risk of brainstem compression, hydrocephalus, herniation, coma, and death.

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Background: Treatment of multiple sclerosis (MS) with delayed-release dimethyl fumarate (DMF) has shown efficacy and safety in clinical trials. However, the occurrence of infectious complications, particularly in elderly patients, remains a concern.

Methods: We present the case of a 63-year-old woman with late-onset MS treated with DMF, who developed a severe primary cytomegalovirus (CMV) infection.

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Objective: To assess acceptability and benefit of a community-based hearing intervention delivered at no cost to lower-income older adults with untreated hearing loss in New Brunswick, Canada.

Design: Mixed method pre-post intervention study investigating aspects of communication function and social support at baseline and three months post-intervention.

Study Sample: 124 of 175 independent-living older adults screened at the study site and in local community centres in low-income neighbourhoods were recruited into the study.

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Article Synopsis
  • Pediatric cataracts are a major preventable cause of childhood blindness, and early intervention is crucial for improving visual outcomes and rehabilitation.
  • This study analyzed medical records to assess the time from initial consult to cataract surgery and how delays affected visual results, focusing on a range of patients from 2015 to 2022.
  • Results showed that, despite quicker surgeries during the pandemic, overall waiting times remained the same, and no significant differences were found in visual outcomes between those who had surgery immediately versus those who experienced delays.
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Objective: This study aimed to contribute to local research evidence to promote the implementation of plain packaging of tobacco products in the Philippines. The study aimed to assess Filipinos' perception of the effectiveness of plain packaging and their readiness by assessing the potential impact of plain packaging.

Methods: We conducted a nationwide geographically representative online panel survey with a sample size of 2,000 Filipinos.

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  • - The study analyzed how the Top-hat procedure affects margin status and disease relapse in women treated for high-grade squamous intraepithelial lesions (HSIL) in Brazil, involving a comparison between women who underwent the Top-hat procedure and those who did not.
  • - Results showed that while a significant portion of the Top-hat group were older, the final diagnosis and relapse rates were similar between the Top-hat and non-Top-hat groups, indicating no additional benefits from the procedure.
  • - A negative Top-hat result was more likely when the endocervical and ectocervical margins were negative, but ultimately, the procedure didn't change the course of treatment and should be avoided in women of reproductive
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Article Synopsis
  • The past two decades have seen a surge in interest and investment in AI, fueled by increased data, better computing power, and advanced modeling techniques.* -
  • Ophthalmology is one field utilizing AI to enhance telemedicine and imaging, but there are challenges to address before widespread implementation.* -
  • The article outlines a seven-step AI lifecycle, highlighting risks and proposing strategies for each phase, from data collection to post-deployment evaluation.*
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Memory effect refers to the phenomenon where past events influence a system's current and future states or behaviors. In biology, memory effects often arise from intra- or intermolecular interactions, leading to temporally correlated behaviors. Single-molecule studies have shown that enzymes and DNA-binding proteins can exhibit time-correlated behaviors of their activity.

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Our purpose was to prospectively assess the distribution of NETPET scores in well-differentiated (WD) grade 2 and 3 gastroenteropancreatic (GEP) neuroendocrine tumors (NETs) and to determine the impact of the NETPET score on clinical management. This single-arm, institutional ethics review board-approved prospective study included 40 patients with histologically proven WD GEP NETs. Ga-DOTATATE PET and F-FDG PET were performed within 21 d of each other.

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Introduction: The influence of hippocampal connectivity on memory performance is well established in individuals with high educational attainment. However, the role of hippocampal connectivity in illiterate populations remains poorly understood.

Methods: Thirty-five illiterate adults were administered a literacy assessment (Test of Functional Health Literacy in Adults [TOFHLA]), structural and resting state functional magnetic resonance imaging, and an episodic memory test (Free and Cued Selective Reminding Test).

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Background: Historically, tobacco companies have used flavored tobacco products to enhance the appeal of tobacco consumption, encourage initiation and experimentation of tobacco use, and contribute to sustained tobacco use. While flavored tobacco products are regulated in several countries, there is no existing regulation on flavored tobacco products in the Philippines, specifically for cigarettes and cigars. This study aims to update evidence on the flavored tobacco product landscape in the Philippines by assessing both the flavor descriptors and flavor imagery featured on cigarette and cigar packaging.

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Article Synopsis
  • Cervical cancer survivors often experience significant issues related to sexual health, with high rates of sexual dysfunction, distress, and menopausal symptoms reported by patients.
  • A study involving 73 patients showed no strong correlation between self-reported sexual health outcomes and physician-assessed vaginal toxicity, indicating a disparity between patient experiences and medical assessments.
  • Factors such as being non-partnered, using hormone replacement therapy, and receiving higher radiation doses to the vagina were linked to poorer sexual health, suggesting a need for targeted interventions in these areas.
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Microbial and microeukaryotic communities are extremely abundant and diverse in soil habitats where they play critical roles in ecosystem functioning and services that are essential to soil health. Soil biodiversity is influenced by above-ground (vegetation) and below-ground factors (soil properties), which together create habitat-specific conditions. However, the compound effects of vegetation and soil properties on soil communities are less studied or often focused on one component of the soil biota.

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Objective: Mobile health (mHealth) interventions may be an efficacious strategy for promoting health behaviors among pediatric populations, but their success at the implementation stage has proven challenging. The purpose of this article is to provide a blueprint for using human-centered design (HCD) methods to maximize the potential for implementation, by sharing the example of a youth-, family-, and clinician-engaged process of creating an mHealth intervention aimed at promoting healthcare transition readiness.

Method: Following HCD methods in partnership with three advisory councils, we conducted semistructured interviews with 13- to 15-year-old patients and their caregivers in two phases.

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Article Synopsis
  • Imbalances in proteolytic activity are linked to inflammatory bowel diseases (IBD), where intestinal proteases can disrupt homeostasis and promote inflammation through protease-activated receptors (PARs).
  • This study focuses on the role of microbial proteases in activating PAR2 and found that proteolytic cleavage of PAR2 increases intestinal permeability and inflammation during colitis.
  • Mice with a mutated, protease-resistant version of PAR2 showed less severe colitis, suggesting that targeting PAR2 cleavage by bacterial proteases could be a potential therapeutic approach for IBD.
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Background: Digital technology and gamified apps can be useful in the health care context. Gamification uses technology to influence users' actions and motivations through experiences that resemble games. Patient adherence to the enhanced recovery after surgery (ERAS) program is crucial for achieving early recovery after surgery and continuous monitoring is essential for obtaining good results.

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Article Synopsis
  • * A bibliometric analysis was conducted to identify the top 100 most cited fungal genera, examining why some have more influence on mycology than others.
  • * The paper discusses case studies for these top genera, providing insights into their ecology, economic impact, and key scientific advancements, while also outlining the historical context of research on these fungi.
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