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Systemic cardiovascular and carotid baroreflex support of arterial pressure during recovery from passive heat stress in young and older adults.
Physiol Rep
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Department of Human Physiology, University of Oregon, Eugene, Oregon, USA.
We evaluated the systemic cardiovascular and carotid baroreflex support of arterial pressure during recovery from whole-body, passive heating in young and older adults. Supine mean arterial pressure (MAP), cardiac output (Q; acetylene washin), systemic vascular conductance (SVC), heart rate (HR), and stroke volume (SV) were evaluated in 16 young (8F, 18-29 years) and nine older (6F, 61-73 years) adults at normothermic baseline and for 60-min passive heating and 120-min normothermic recovery. Externally applied neck pressure was used to evaluate HR, brachial vascular conductance, and MAP responses to carotid baroreceptor unloading.
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Latner Thoracic Research Laboratories, Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada; Toronto Lung Transplant Program, Ajmera Transplant Centre, University Health Network, Toronto, ON, Canada; Division of Thoracic Surgery, Department of Surgery, Universi
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Roger Williams Institute of Liver Studies, King's College London, London SE5 9NT, United Kingdom.
Paediatric liver transplantation (PLT) is a life-saving procedure for children with advanced liver disease or hepatoblastoma. The number of available grafts is limited in relation to the number of children on PLT waiting list. This graft shortage has led transplant societies and healthcare organizations to explore ways to investigate possible options and expand the donor pool.
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