Sökning: "skin perfusion"

Visar resultat 1 - 5 av 55 avhandlingar innehållade orden skin perfusion.

  1. 1. Laser Doppler perfusion imaging : methodology and skin applications

    Författare :Karin Wårdell; Linköpings universitet; []
    Nyckelord :MEDICINE; MEDICIN;

    Sammanfattning : Over the last decade a number of emerging technologies have become available for the non-invasive study of skin anatomy and physiology. In this thesis, a method for mapping tissue perfusion based on the laser Doppler technique is presented together with some of the associated experimental and clinical applications. LÄS MER

  3. 2. Microvascular inflammatory response in the skin

    Författare :Vladimir Evilevitch; Lunds universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; tomografi; medicinsk instrumentering; Physiology; Fysiologi; radiologi; Klinisk fysiologi; medical instrumentation; tomography; radiology; Clinical physics; sodium nitroprusside; terbutaline; anandamide; TRPV1; skin prick test; vanilloid receptor; skin microcirculation; laser Doppler imaging; Plasma exudation; vasodilatation;

    Sammanfattning : This thesis examines the microvascular inflammatory response in the skin. The microvascular response includes vasodilatation and plasma exudation. In the first three studies, the combined response was measured in guinea pig skin with a technique based on detection of radiolabelled protein. LÄS MER

  4. 3. Movement artifact reduction in laser Doppler blood flowmetry : myocardial perfusion applications

    Författare :MG Daniel Karlsson; Karin Wårdell; Knut Kvernebo; Linköpings universitet; []
    Nyckelord :MEDICINE; MEDICIN;

    Sammanfattning : Laser Doppler perfusion monitoring (LDPM) and imaging (LDPI) enable assessment of tissue microvascular perfusion. The techniques are based on the Doppler broadening of the optical spectrum occurring when coherent laser light is scattered by moving red blood cells (RBC). LÄS MER

  5. 4. Real-time multi-exposure laser speckle contrast imaging of skin microcirculatory perfusion

    Författare :Martin Hultman; Ingemar Fredriksson; Marcus Larsson; Tomas Strömberg; Anne Heurtier; Linköpings universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Multi-exposure laser speckle contrast imaging; Microcirculatory perfusion; Machine learning;

    Sammanfattning : The microcirculation, the blood flow in the smallest blood vessels in the body, has a vital function as this is where oxygen and nutrients diffuses from the blood to to the surrounding cells. An important quantity is the tissue perfusion, a measure of the microcirculation’s capacity to provide oxygen and nutrients to the cells. LÄS MER

  7. 5. Single exposure phototesting and assessment of pigmented skin lesions : quantitative methods in terms of blood perfusion estimates

    Författare :Michail A. Ilias; Karin Wårdell; Stephan El Gammal; Linköpings universitet; []
    Nyckelord :MEDICINE; MEDICIN;

    Sammanfattning : This thesis concerns the development of quantitative phototesting for the investigation of individual skin sensitivity to ultraviolet (UV) radiation, and the assessment of pigmented skin lesions (PSL) in terms of blood perfusion estimates. In both cases, laser Doppler perfusion imaging (LDPI) was used to quantify the perfusion. LÄS MER