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Relationship between plasma urea and copeptin in response to arginine stimulation in healthy adults, patients with vasopressin deficiency and primary polydipsia.
Pituitary
January 2025
Departments of Endocrinology, Diabetology and Metabolism, University Hospital Basel, Petersgraben 4, 4031, Basel, Switzerland.
Background: Arginine infusion stimulates copeptin secretion, a surrogate marker of arginine vasopressin (AVP), thereby serving as a diagnostic test in the differential diagnosis of suspected AVP deficiency (AVP-D). Yet, the precise mechanism underlying the stimulatory effect of arginine on the vasopressinergic system remains elusive. Arginine plays a significant role in the urea cycle and increases the production of urea.
View Article and Find Full Text PDFJoint association of objective and subjective aging with premature mortality.
NPJ Aging
January 2025
Department of Epidemiology, Celia Scott Weatherhead School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, USA.
Objective and subjective aging indicators reflect diverse biological and psychosocial processes, yet their combined association with premature mortality remains underexplored. This study aimed to investigate the association between a multidomain framework of aging indicators and premature mortality, addressing gaps in understanding cumulative effects. We included 369,741 UK Biobank participants initially free of cardiovascular disease (CVD) and cancer, followed until December 31, 2022.
View Article and Find Full Text PDFMonitoring for 5-aminosalicylate nephrotoxicity in adults with inflammatory bowel disease: prognostic model development and validation using data from the Clinical Practice Research Datalink.
BMJ Open Gastroenterol
January 2025
Institute of Applied Health Research, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK.
Objective: To develop and validate a prognostic model for risk-stratified monitoring of 5-aminosalicylate nephrotoxicity.
Methods: This UK retrospective cohort study used data from the Clinical Practice Research Datalink Aurum and Gold for model development and validation respectively. It included adults newly diagnosed with inflammatory bowel disease and established on 5-aminosalicylic acid (5-ASA) treatment between 1 January 2007 and 31 December 2019.
The moderating effect of frailty on the network of depression, anxiety, and loneliness in community-dwelling older adults.
J Affect Disord
January 2025
School of Nursing, Shandong Second Medical University, Weifang, Shandong Province, China. Electronic address:
Objectives: Comorbidities of depression, anxiety and loneliness may be more prevalent in frail older adults, which may lead to an accelerated deterioration of psychological symptoms. This study was aimed to assess the moderating effect of frailty on the network of depression, anxiety, and loneliness symptoms in community-dwelling older adults.
Methods: A sample of 4253 older adults were recruited from the Psychology and Behavior Investigation of Chinese Residents (PBICR).
Unique considerations in the assessment and management of traumatic brain injury in older adults.
Lancet Neurol
February 2025
Department of Neurology AB51, University of Groningen, University Medical Center Groningen, Groningen, Netherlands.
The age-specific incidence of traumatic brain injury in older adults is rising in high-income countries, mainly due to an increase in the incidence of falls. The severity of traumatic brain injury in older adults can be underestimated because of a delay in the development of mass effect and symptoms of intracranial haemorrhage. Management and rehabilitation in older adults must consider comorbidities and frailty, the treatment of pre-existing disorders, the reduced potential for recovery, the likelihood of cognitive decline, and the avoidance of future falls.
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