Publications by authors named "Quach S"

The value of 'data-enabled', digital healthcare is evolving rapidly, as demonstrated in the COVID-19 pandemic, and its successful implementation remains complex and challenging. Harmonisation (within/between healthcare systems) of infrastructure and implementation strategies has the potential to promote safe, equitable and accessible digital healthcare, but guidance for implementation is lacking. Using respiratory technologies as an example, our scoping review process will capture and review the published research between 12th December 2013 to 12th December 2023.

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The interplay between egoistic and altruistic values, self-identity, and ethical behaviors remains underexplored, despite its significance in ethical consumption. This study investigates these dynamics by developing and testing the Value-Identity-Behavior model using a robust dataset of 3023 participants from three leading fairtrade markets in Europe: the U.K.

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Article Synopsis
  • Interprofessional Education (IPE) is defined by the World Health Organization as a way for health care students from different disciplines to collaborate, ultimately enhancing patient care and understanding of each other's roles.* -
  • The systematic review aims to analyze the outcomes of IPE, including factors like readiness for interprofessional collaboration, attitudes towards teamwork, and the overall effectiveness of health care practices among rehabilitation science students.* -
  • The review will follow established guidelines for systematic reviews, including thorough literature searches and inclusion criteria focused on IPE interventions involving multiple health care professional students from 2016 onward.*
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  • Poorly managed COPD can lower quality of life, but mobile apps are potential tools to help, yet their acceptability for patients and healthcare professionals is not well understood.
  • The study aimed to gather insights from people with COPD and healthcare providers about their views on public mobile apps for managing COPD, including desired features, barriers, and support needs for future app development.
  • Findings showed that while participants had different preferences for app features, they identified one shared public app as appropriate, highlighting the need for apps to complement rather than replace clinical care.
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The fetal liver is a hematopoietic organ, hosting a diverse and evolving progenitor population. While human liver organoids derived from pluripotent stem cells (PSCs) mimic aspects of embryonic and fetal development, they typically lack the complex hematopoietic niche and the interaction between hepatic and hematopoietic development. We describe the generation of human Fetal Liver-like Organoids (FLOs), that model human hepato-hematopoietic interactions previously characterized in mouse models.

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Purpose: Current therapy strategies still provide only limited success in the treatment of glioblastoma, the most frequent primary brain tumor in adults. In addition to the characterization of the tumor microenvironment, global changes in the brain of patients with glioblastoma have been described. However, the impact and molecular signature of neuroinflammation distant of the primary tumor site have not yet been thoroughly elucidated.

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Memory consolidation relies in part on the reactivation of previous experiences during sleep. The precise interplay of sleep-related oscillations (slow oscillations, spindles and ripples) is thought to coordinate the information flow between relevant brain areas, with ripples mediating memory reactivation. However, in humans empirical evidence for a role of ripples in memory reactivation is lacking.

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Objectives: This study aimed to determine the rate and severity patterns of bronchopulmonary dysplasia (BPD) and identify antenatal and postnatal factors associated with BPD in preterm infants <32 weeks of gestational age (GA).

Methods: This retrospective observational study included preterm neonates <32 weeks of gestation admitted into the neonatal intensive care unit between January 2010 and December 2017 at Sultan Qaboos University Hospital, Muscat, Oman. A data set of antenatal and perinatal factors were collected.

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Interprofessional education (IPE) is prioritized as a critical component in preparing pre-licensure health professional students for effective teamwork and collaboration in the workplace to facilitate patient-centered care. Knowledge in anatomy is fundamental for healthcare professionals, making interprofessional anatomy education an attractive intervention for IPE and anatomy learning. Since 2009, the Education Program in Anatomy at McMaster University has offered an intensive 10-week IPE Anatomy Dissection elective to seven health professional programs annually.

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Information about heading direction is critical for navigation as it provides the means to orient ourselves in space. However, given that veridical head-direction signals require physical rotation of the head and most human neuroimaging experiments depend upon fixing the head in position, little is known about how the human brain is tuned to such heading signals. Here we adress this by asking 52 healthy participants undergoing simultaneous electroencephalography and motion tracking recordings (split into two experiments) and 10 patients undergoing simultaneous intracranial electroencephalography and motion tracking recordings to complete a series of orientation tasks in which they made physical head rotations to target positions.

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Purpose: According to the World Health Organization classification for tumors of the central nervous system, mutation status of the isocitrate dehydrogenase (IDH) genes has become a major diagnostic discriminator for gliomas. Therefore, imaging-based prediction of IDH mutation status is of high interest for individual patient management. We compared and evaluated the diagnostic value of radiomics derived from dual positron emission tomography (PET) and magnetic resonance imaging (MRI) data to predict the IDH mutation status non-invasively.

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  • Researchers studied how to treat cystic craniopharyngiomas, a type of brain tumor, in kids and teens during surgery.
  • They looked at data from patients under 18 years old who had surgery between 2000 and 2022 to see how well different treatment methods worked.
  • Results showed that while some treatment methods led to less tumor volume, they also caused more problems with hormones and weight gain in some patients.
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Objective: The best treatment strategies for cerebral arachnoid cysts (CAC) are still up for debate. In this study, we present CAC management, outcome data, and risk factors for recurrence after surgical treatment, focusing on microscopic/endoscopic approaches as compared to minimally invasive stereotactic procedures in children and adults.

Methods: In our single-institution retrospective database, we identified all patients treated surgically for newly diagnosed CAC between 2000 and 2022.

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Background: Cysto-ventricular catheters (CVC) have emerged as promising treatment option for cystic craniopharyngioma and arachnoid cysts, but their effectiveness in treating cysts originating from glioma or brain metastasis (BM) remains limited. This study aimed to analyze the efficacy of CVC in patients with glioma and BM as well as procedure-associated morbidity.

Methods: This single-center retrospective study included all patients treated with CVC placement for acquired space-occupying cysts deriving from previously treated glioma or BMs between 1/2010 and 12/2021.

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Background: Respiratory therapists (RTs) are expected to stay updated on technology, treatments, research, and best practices to provide high-quality patient care. They must possess the skills to interpret, evaluate, and contribute to evidence-based practices. However, RTs often rely on research from other professions that may not fully address their specific needs, leading to insufficient guidance for their practice.

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Rationale: Extremes of temperature and humidity are associated with adverse respiratory symptoms, reduced lung function, and increased exacerbations among individuals living with chronic obstructive pulmonary disease (COPD).

Objectives: To describe the reported effects of temperature and humidity extremes on the health outcomes, health status and physical activity (PA) in individuals living with COPD.

Methods: A cross-sectional self-reported survey collected the effects on health status (COPD Assessment Test [CAT]), PA, and health outcomes in 1) moderate/ideal (14 to 21°C, 30 to 50% relative humidity [RH]), 2) hot and humid (≥ 25°C, > 50% RH) and 3) cold and dry (≤ 5°C, < 30% RH) weather conditions.

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Purpose: To explore the feasibility of a non-pharmacological cough control therapy (CCT) customized for a client with interstitial lung disease (ILD).

Client Description: An 83-year-old female with hypersensitivity pneumonitis, and chronic cough for 18 years treated previously with pharmacological treatment for the underlying lung disease and gastroesophageal reflux disease, as well as lozenges and breathing and relaxation strategies.

Intervention: Four cough education and self-management sessions (45-60 minutes each) facilitated by a physiotherapist and speech-language pathologist via videoconference were conducted.

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Various cellular sources hamper interpretation of positron emission tomography (PET) biomarkers in the tumor microenvironment (TME). We developed an approach of immunomagnetic cell sorting after in vivo radiotracer injection (scRadiotracing) with three-dimensional (3D) histology to dissect the cellular allocation of PET signals in the TME. In mice with implanted glioblastoma, translocator protein (TSPO) radiotracer uptake per tumor cell was higher compared to tumor-associated microglia/macrophages (TAMs), validated by protein levels.

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TSPO is a promising novel tracer target for positron-emission tomography (PET) imaging of brain tumors. However, due to the heterogeneity of cell populations that contribute to the TSPO-PET signal, imaging interpretation may be challenging. We therefore evaluated TSPO enrichment/expression in connection with its underlying histopathological and molecular features in gliomas.

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Article Synopsis
  • This study looks at a new treatment called stereotactic third ventriculostomy with internal shunt placement (sTVIP) for patients with obstructive hydrocephalus caused by brain tumors.
  • Researchers found that 74.2% of the 38 patients felt better after the procedure, especially those who had headaches before it.
  • The treatment had very few problems, and most patients didn't need more surgeries afterward, showing that sTVIP is a safe and effective option.
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Purpose: Tumor resection represents the first-line treatment for symptomatic meningiomas, and the extent of resection has been shown to be of prognostic importance. Assessment of tumor remnants with somatostatin receptor PET proves to be superior to intraoperative estimation with Simpson grading or MRI. In this preliminary study, we evaluate the prognostic relevance of postoperative PET for progression-free survival in meningiomas.

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The 18-kDa translocator protein (TSPO) is gaining recognition as a relevant target in glioblastoma imaging. However, data on the potential prognostic value of TSPO PET imaging in glioblastoma are lacking. Therefore, we investigated the association of TSPO PET imaging results with survival outcome in a homogeneous cohort of glioblastoma patients.

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