The neurobiological response to stress is an adaptive response allowing us to cope with the multiple aggressions of daily life. This response orchestrates the body's systemic reaction. The intensity of response to stress can modify the body's functioning, which implies a variety of fields where biomarkers may be isolated: immunity, psychology, neurophysiology, integrative physiology. When stress is too intense or prolonged, response to stress may become misfitted and deleterious. This study is based on the hypothesis that a severe physical or psychological trauma is associated with an intense and misfitted stress that is responsible from an undue immuno-inflammatory activation (through sympathetic activation). The result is a subinvasive state of systemic and tissue inflammation (low-noise inflammation), responsible for the mid-term deleterious consequences of the traumatic event. The objective of this study is to understand how the dysregulation of intense stress simultaneously generates an initial pathological state and an alteration of mid-term evolution (which is considered as a poor prognosis and/or as responsible for after-effects). The investigators wish to identify relevant biomarkers of the mechanisms activated during intense stress and influencing the immuno-inflammatory and epigenetic spheres with deleterious consequences on physiological and psychological functions.
Age range
70 Years
Sex
ALL
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A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Occurrence of depression
Timeframe: 12 months following surgery
Occurrence of "psychosomatic death"
Timeframe: 12 months following surgery
Occurrence of death
Timeframe: 12 months following surgery