Sökning: "cerebral ischemia"

Visar resultat 16 - 20 av 111 avhandlingar innehållade orden cerebral ischemia.

  1. 16. Electrical Bioimpedance Cerebral Monitoring: Fundamental Steps towards Clinical Application

    Författare :Fernando Seoane Martinez; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Biomedical Instrumentation; Ischemia; Hypoxia; Non-invasive Monitoring; Electrical Bioimpedance Spectroscopy; Stroke; Impedance Measurements; Brain Monitoring;

    Sammanfattning : Neurologically related injuries cause a similar number of deaths as cancer, and brain damage is the second commonest cause of death in the world and probably the leading cause of permanent disability. The devastating effects of most cases of brain damage could be avoided if it were detected and medical treatment initiated in time. LÄS MER

  3. 17. Brain Tissue Oxygenation in Traumatic Brain Injury : Experimental and Clinical Studies

    Författare :Karlis Purins; Anders Lewén; Per Enblad; Oliver Sakowitz; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Brain tissue oxygenation; Cerebral metabolism; Traumatic brain injury; Cerebral ischemia; Threshold levels; Neurovent-PTO; Microdialysis; Neurosurgery; Neurokirurgi;

    Sammanfattning : Traumatic brain injury (TBI) is a major cause of death and disability. TBI is frequently followed by cerebral ischemia which is a great contributor to secondary brain damage. The main causes of cerebral ischemia are pathophysiological changes in cerebral blood flow and metabolism. LÄS MER

  4. 18. Importance of MAPK and PKC in cerebrovascular endothelin receptor changes

    Författare :Marie Henriksson; Lund Medicin; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; farmakognosi; farmaci; toxikologi; toxicology; pharmacy; pharmacognosy; Pharmacological sciences; Kardiovaskulära systemet; Cardiovascular system; Fysiologi; Physiology; cerebral arteries; ischemia; receptors; endothelin; Farmakologi;

    Sammanfattning : Endothelin is a vasoactive peptide that exerts its effect through two receptors; the endothelin type A (ETA) and type B (ETB) receptor. The contractile ETA receptor is localized on smooth muscle cells in the vascular wall, while the ETB receptors are mainly situated on endothelial cells, mediating vasodilatation. LÄS MER

  5. 19. Signal Transduction and Gene Regulation in Cerebral Arteries Following Ischemia

    Författare :Petter Vikman; Lund Medicin; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Naturvetenskap; Cardiovascular system; stroke; molecular investigation; gene expression; Mitogen Activated Protein Kinases; Natural science; Kardiovaskulära systemet; cerebral arteries;

    Sammanfattning : The thesis consideres the molecular events that take place in the cerebral arteries following a stroke. The degree and temporal course of reperfusion following a stroke is pivotal for the survival of the neuronal tissue in the penumbra. LÄS MER

  7. 20. Mechanisms of Mitochondria-Induced Brain Damage Following Ischemia and Hypoglycemia

    Författare :Michel Ferrand-Drake; Lund Wallenberg Neurocentrum; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; cyclosporin A; neuronal death; calpain; caspase; mitochondrial permeability transition; necrosis; apoptosis; cerebral ischemia; hypoglycemia; Neurology; neuropsychology; neurophysiology; Neurologi; neuropsykologi; neurofysiologi;

    Sammanfattning : Mechanisms of Mitochondria-Induced Brain Damage Following Ischemia and Hypoglycemia Following prolonged disruption of blood flow to the central nervous system (CNS), or energy deprivation by other means, such as hypoglycemia, some cells will inevitably degenerate. It has been, and still is, the subject of considerable debate and intense research on brain ischemia, as to the mode of cell death, i. LÄS MER