Search for dissertations about: "MIGET"

Found 4 swedish dissertations containing the word MIGET.

  2. 1. Ventilation/Perfusion Matching and its Effect on Volatile Pharmacokinetics

    Author : Moritz Andreas Kretzschmar; Anders Larsson; Jan Jakobsson; Uppsala universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Anesthesia; Animal models in research; Mass spectrometry; Gas chromatography; MIGET; Ventilation-perfusion; Desflurane; Isoflurane; Bronchoconstriction; Anestesiologi och intensivvård; Anaesthesiology and Intensive Care;

    Abstract : The mismatching of alveolar ventilation and perfusion (VA/Q) is the major determinant of impaired gas exchange. The gold standard for analyzing VA/Q distribution is the multiple inert gas elimination technique (MIGET), conventionally based on gas chromatography (GC), and, although simple in principle, a technically demanding procedure limiting its use. READ MORE

  4. 2. Ventilatory-perfusion relationships and respiratory drive in chronic obstructive pulmanory disease : with special reference to hypoxaemia, sleep quality and treatment with inhaled corticisteroid

    Author : Karin Sandek; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : By measuring retention in blood and excretion in exhaled air of six infused inert gases using multiple inert gas technique (MIGET), it is possible to obtain detailed assessment of the ventilation-perfusion (VA/Q) relationships in patients with chronic obstructive pulmonary disease. Stable, non-bronchitic COPD patients show a substantial perfusion of hyper-ventilated lung regions. READ MORE

  5. 3. Effect of body posture on regional ventilation and perfusion at normal and increased gravity

    Author : Johan Petersson; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : The prone position is increasingly used to improve arterial oxygenation in intensive care patients with severe acute respiratory failure. This beneficial response is well documented but our understanding of the responsible mechanisms remains incomplete, as does our knowledge of the effect of posture on lung function in healthy individuals. READ MORE

  6. 4. Evaluation of efficacy and safety of pulsed inhaled nitric oxide in the anesthetized horse : preparing for clinical use

    Author : Tamara Grubb; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Abstract : Anesthetized, recumbent horses commonly develop hypoxemia secondary to ventilation/perfusion (VA/Q) mismatch and shunting of pulmonary blood (Qs/Qt) through atelectatic lung regions. Hypoxemia in the anesthetized horse is difficult to treat and ventilatory therapy is often ineffective. READ MORE