Sökning: "autoregulation"

Visar resultat 11 - 15 av 30 avhandlingar innehållade ordet autoregulation.

  1. 11. Renal hemodynamics in renal artery stenosis and angiotensin II-dependent hypertension. Pathophysiological and diagnostic aspects

    Författare :Aso Saeed; Göteborgs universitet; []
    Nyckelord :angiotensin II; autoregulation of renal blood flow; color duplex sonography; endothelin-1; oxidative stress; renal artery stenosis; renal hemodynamics; renovascular hypertension;

    Sammanfattning : Patients with renovascular hypertension have a poor renal and cardiovascular prognosis. To improve the care of these patients, we need to increase knowledge about the pathophysiological mechanisms involved. LÄS MER

  3. 12. Prevention and treatment of acute kidney injury after cardiac surgery

    Författare :Bengt Redfors; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Kidney failure; acute glomerular filtration rate renal circulation oxygen consumption cardiac surgery mannitol dopamine norepinephrine autoregulation;

    Sammanfattning : Acute kidney injury (AKI) occurs frequently after cardiac surgery and is independently associated with increased mortality. The main cause of AKI in these patients is renal ischemia. LÄS MER

  4. 13. Cerebral perfusion in cardiac surgery : with special reference to circulatory arrest during profound hypothermia

    Författare :Rafael Astudillo Ley; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Cardiac surgery; hypothermia; circulatory arrest; cardiopulmonary bypass; cerebral blood flow; cerebral metabolism; cerebral oxygen consuption; cerebral lactate; retograde crebral perfusion; transcranial Doppler; S-100B;

    Sammanfattning : Thirty-nine pediatric and 82 adult patients were studied during cardiac surgery with cardio pulmonary bypass (CPB) performed with moderate hypothermia or with deep hypothermia and circulatory arrest (DHCA) with or-without retrograde cerebral perfusion (RCP). Cerebral blood flow (CBF) was estimated from Doppler measurements of the blood velocity in the middle cerebral artery (MCAv). LÄS MER

  5. 14. Vasopressors and intestinal mucosal perfusion. Studies in cardiac surgical and critically ill patients

    Författare :Andreas Nygren; Göteborgs universitet; []
    Nyckelord :;

    Sammanfattning : During trauma, surgery and critically illness, splanchnic ischemia and reperfusion damage maythreaten the barrier function of the intestinal mucosa, leading to bacterial translocation, immuneactivation and subsequent development of systemic inflammatory response syndrome. Detection,prevention and treatment of intestinal mucosal hypoperfusion are therefore important forprevention of complications in critically ill patients. LÄS MER

  7. 15. Pathophysiological characterization of traumatic brain injury using novel analytical methods

    Författare :Cecilia Åkerlund; David Nelson; Anders Holst; Ari Ercole; Niklas Marklund; KTH; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Traumatic brain injury; Intracranial pressure; clustering; Medicinsk teknologi; Medical Technology;

    Sammanfattning : Severity of traumatic brain injury is usually classified by Glasgow coma scale (GCS) as “mild”, "moderate" or "severe’, which does not capture the heterogeneity of the disease. According to current guidelines, intracranial pressure (ICP) should not exceed 22 mmHg, with no further recommendations concerning individualization or tolerable duration of intracranial hypertension. LÄS MER