Endothelin-1 (ET-1) is a potent vasoconstrictor, and dysregulation of the endothelin (ET) system has been implicated in the development of hypertension. Sex differences in the ET system have been identified in ET receptor expression and activation, levels of ET-1, and downstream mediators of the ET system. More specifically, males have greater ET-1/ETA receptor activation, whereas females exhibit greater ETB receptor activation. These differences have been suggested to contribute to the sex differences observed in blood pressure control, with greater ETB receptor activation in females potentially acting as an important pathway contributing to the lower prevalence of hypertension in young females compared with age-matched males. This hypothesis is further supported by studies in pregnancy; the role of the ET system is enhanced during pregnancy, with dysregulation of the ET system resulting in preeclampsia. Further research is necessary to elucidate the relative roles of the ET system in blood pressure control in both sexes and to further explore the potential benefits of pharmacological ET blockade in women.
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http://dx.doi.org/10.1152/ajpregu.00427.2015 | DOI Listing |
BMC Public Health
January 2025
Department of Statistics, Borana University, Borena, Oromia Region, Ethiopia.
Introduction: Hypertension is among the most significant non-communicable public health issues worldwide. High blood pressure, or hypertension, has been associated with severe health consequences, including death, aneurysms, stroke, chronic renal disease, eye damage, heart attack, heart failure, peripheral artery disease, and vascular dementia. Consequently, this study aimed to investigate the predictors linked to survival time and the progression of blood pressure measurements in hypertensive patients.
View Article and Find Full Text PDFBMC Nephrol
January 2025
Nutrition Research Center, Department of Clinical Nutrition, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran.
Background: The prevalence of chronic kidney disease (CKD) is estimated to be about 13.4% worldwide. Studies have shown that CKD accounts for up to 2% of the health cost burden.
View Article and Find Full Text PDFPediatr Nephrol
January 2025
Pediatric Nephrology, Faculty of Medicine, Ankara City Hospital, Ankara Yıldırım Beyazıt University Ankara, Bilkent, Turkey.
Background: Studies suggest that asthma and hypertension may be comorbid conditions. Most of these studies are epidemiological research. However, data on the relationship between asthma and hypertension in childhood are limited.
View Article and Find Full Text PDFBr J Anaesth
January 2025
Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan, Italy; School of Medicine, Vita-Salute San Raffaele University, Milan, Italy.
Background: The impact of noninvasive ventilation (NIV) managed outside the intensive care unit in patients with early acute respiratory failure remains unclear. We aimed to determine whether adding early NIV prevents the progression to severe respiratory failure.
Methods: In this multinational, randomised, open-label controlled trial, adults with mild acute respiratory failure (arterial oxygen partial pressure/fraction of inspiratory oxygen [Pao/FiO] ratio ≥200) were enrolled across 11 hospitals in Italy, Greece, and Kazakhstan.
BMJ Case Rep
January 2025
SUT Hospital, Thiruvananthapuram, Kerala, India.
This case report describes an adult man in his 50s with a history of type 2 diabetes and previously well-controlled hypertension, who presented with uncontrolled hypertension, muscle weakness and fatigue. Biochemical testing revealed hypokalaemia. There was no evidence of renal/renovascular disease.
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