Endocrine Abstracts

As humans age their ability to combat bacterial infection declines and reduced immunity is further compromised at times of emotional and physical stress. Adrenocortical hormones are elevated in response to chronic stress in both young and old, but the quality of the response is dramatically altered with aging. The adrenal steroid dehydroepiandrosterone sulphate (DHEAS) is immune enhancing, while cortisol is immune suppressing. Serum DHEAS levels decline with age but cortisol d...

Ageing is associated with a decline in immunity, also termed immunesenescence. This is paralleled by a decline in the production of several hormones as typically illustrated by the menopausal loss of ovarian oestrogen production. This lecture will give a brief overview of the physiology and pathophysiology of steroid hormones that decline with ageing. Therein a specific focus will be laid on the ageing-associated decline in adrenal dehydroepiandrosterone (DHEA) production, an ...

Normal ageing is accompanied by increased organismal frailty, reflecting organ specific functional decline, with an associated increase in the likelihood of disease. The immune system undergoes significant decline with age, termed immunesenescence, which results in increased susceptibility to infection and reduced vaccination responses. Significant changes in the hormonal milieu also occur with age and it is clear that age-related changes in adrenal hormone secretion can impos...

Introduction: Low levels of vitamin D are associated with higher mortality in critically ill patients. Studies on vitamin D levels in adult burn patients and their influence on clinical outcomes are scarce. Therefore, vitamin D status following thermal injury is often overlooked as its clinical implications are poorly understood.Aim: To examine the relationship of major thermal injury on the vitamin D axis and the influence of ...

Introduction: Low levels of vitamin D are associated with higher mortality in critically ill patients. Studies on vitamin D levels in adult burn patients and their influence on clinical outcomes are scarce. Therefore, vitamin D status following thermal injury is often overlooked as its clinical implications are poorly understood.Aim: To examine the relationship of major thermal injury on the vitamin D axis and the influence of ...

Advancements in medical care have significantly improved survival rates following major traumatic injury. An understanding of the hormonal, inflammatory and metabolic changes that occur following trauma is still evolving but it is clear that they impact significantly upon patient prognosis. To date, studies that have examined trauma-induced changes in steroid metabolism have analysed samples taken from patients post-hospital admission, culminating in marked variability in the ...

Advances in trauma care have improved survival resulting in more severely injured individuals surviving to enter the trauma care pathway. A significant threat to recovery is now the dysregulated immune response to injury. The hyperinflammatory response of the innate immune system (SIRS), combined with immunoparesis, leads to complications such as multi-organ failure and sepsis. Moreover, recovery from trauma is significantly affected by age, which may be due to changes in the ...

There are 1.21 million deaths from road traffic accidents worldwide. In Afghanistan, there have been 2005 battle injuries over 10 years. Advances in military trauma care have improved survival, resulting in more severely injured individuals entering the trauma care pathway. Improved understanding of endocrine-immune changes after severe trauma may facilitate novel interventions to improve outcomes. We prospectively recruited 102 severely injured patients at the Queen Elizabeth...

Muscle wasting remains a significant complication in patients with inflammatory disease where it contributes to disability, risk of falls and early mortality. Interestingly, muscle wasting in patients with glucocorticoid excess mirrors that observed in patients with inflammatory disease. We have previously reported that the glucocorticoid activating enzyme 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1) is potently up-regulated within mesenchymal derived cell popu...

Background: Advancements in medical care have significantly improved survival after major traumatic injury and the main risks are now sepsis and multi-organ failure. An understanding of the hormonal, inflammatory and metabolic changes that occur following trauma is still evolving but it is clear that they impact significantly upon patient prognosis. To date, studies that have examined trauma-induced changes in steroid metabolism have analysed samples taken from patients post-h...