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Comparing integrative ventilatory and renal acid-base acclimatization in lowlanders and Tibetan highlanders during ascent to 4,300 m.
Proc Natl Acad Sci U S A
January 2025
Department of Biology, Faculty of Science and Technology, Mount Royal University, Calgary, AB T3E 6K6, Canada.
With over 14 million people living above 3,500 m, the study of acclimatization and adaptation to high altitude in human populations is of increasing importance, where exposure to high altitude (HA) imposes a blood oxygenation and acid-base challenge. A sustained and augmented hypoxic ventilatory response protects oxygenation through ventilatory acclimatization, but elicits hypocapnia and respiratory alkalosis. A subsequent renally mediated compensatory metabolic acidosis corrects pH toward baseline values, with a high degree of interindividual variability.
View Article and Find Full Text PDFTreatment Analysis of Very Early and Early Onset Psychosis in the Youth Inpatient Setting.
HCA Healthc J Med
December 2024
St George's University, Grenada, West Indies.
Background: The United States Food and Drug Administration approved 6 atypical antipsychotics for pediatric treatment of schizophrenia. However, little has been published on the effectiveness of these medications in the acute treatment setting of adolescents with psychosis. Since the clinical uncertainty and poor prognosis proceeding the early onset of schizophrenia has a significant impact on a child's development, there is a critical need for evidence-based data on this population.
View Article and Find Full Text PDFMast Cells and Arteriogenesis: A Systematic Review.
Cardiovasc Pathol
January 2025
Department of Anatomical Sciences, St. George's University, School of Medicine, Grenada, West Indies; Department of Pathology, St. George's University, School of Medicine, Grenada, West Indies; Department of Clinical Anatomy, Mayo Clinic, Rochester, Minnesota; Nicolaus Copernicus Superior School, College of Medical Sciences, Olsztyn, Poland. Electronic address:
Vascular occlusive diseases remain a major health burden worldwide, necessitating a deeper understanding of the adaptive responses that mitigate their impact. Arteriogenesis, the growth and remodeling of collateral vessels in response to arterial occlusion, is a vital defense mechanism that counteracts fluid shear stress-induced vascular stenosis or occlusion. While physical factors driving arteriogenesis have been extensively studied, the specific cellular mediators involved are poorly understood.
View Article and Find Full Text PDFEnhancing COVID-19 Vaccine Acceptance Within Scotland Black, African, and Caribbean Communities and Lessons for Future Vaccination Programmes.
J Racial Ethn Health Disparities
January 2025
Adam Smith Business, School University of Glasgow, 2 Discovery Place, G11 6EY, Glasgow, Scotland.
This study highlights how the intersection of multiple factors shapes the experiences of Scotland's Black, African, and Caribbean communities in their access and uptake of COVID-19 vaccines in the vaccination programme's first, second, and booster stages. There was particular interest in understanding the vaccination journey, from scheduling an appointment to attending the appointment. Data in this study was collected between the 1 and 30 April 2022 using a triangulated approach, including a survey (with 408 responses), interviews (26), and focus group discussions (5 groups involving 30 participants).
View Article and Find Full Text PDFA closer look: factors impacting HIV durable viral suppression among a cohort of clinic attendees in Trinidad & Tobago.
HIV Res Clin Pract
December 2025
Medical Research Foundation of Trinidad and Tobago, Port of Spain, Trinidad and Tobago.
Background: In Trinidad and Tobago, high HIV prevalence among key populations necessitates studying factors that impact durable viral suppression (DVS), crucial for effective HIV management and reducing transmission among at-risk networks. This study investigates these factors using clinical data from a major HIV care clinic in the Caribbean.
Methods: A retrospective analysis of 533 adult people with HIV (people) at MRFTT from 2017 to 2021 assessed the proportion achieving DVS, defined as a sustained viral load <200 copies/ml over one year.
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