Sökning: "Afterload"

Visar resultat 11 - 15 av 15 avhandlingar innehållade ordet Afterload.

1. 11. Cardiac Performance, Ventricular-Vascular Interaction and Functional Alterations in Rheumatic Mitral Stenosis : A descriptive study employing novel hemodynamic and echocardiographic modalities

   Författare :Ashwin Venkateshvaran; Lars-Åke Brodin; Per Lindquist; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Tillämpad medicinsk teknik; Applied Medical Technology;

   Sammanfattning : The assessment of LV performance poses significant challenges in the setting of rheumatic mitral stenosis (MS) owing to an inherently load-altered state. A detailed characterization of arterial-ventricular coupling between subjects with isolated post-capillary pulmonary hypertension (Ipc-PH) and combined pre- and post-capillary pulmonary hypertension (Cpc-PH) has not been described. LÄS MER

3. 12. Vascular remodeling in pulmonary hypertension

   Författare :Ya-Ting Chang; Karolinska Institutet; Karolinska Institutet; []
   Nyckelord :;

   Sammanfattning : Pulmonary hypertension (PH) is a progressive obliterative vasculopathy with multifactorial etiology and high mortality rate. Endothelial dysfunction, excessive vascular remodeling, inflammation and in situ thrombosis contribute to increased vascular resistance and gradual occlusion of pulmonary vessels. LÄS MER

4. 13. Cell shape determines gene expression in cardiomyocytes

   Författare :Payam Haftbaradaran Esfahani; Karolinska Institutet; Karolinska Institutet; []
   Nyckelord :;

   Sammanfattning : The fundamental biological processes involve sensing biophysical stress, strain and forces along with conversion of these stimuli into chemical signals. These processes are linked to the atrophic and hypertrophic responses. Deficiencies in these biological processes are associated with different diseases, particularly in the circulation system. LÄS MER

5. 14. Between the Probe and the Pump : An experimental study on cardiac performance analysis based on Echocardiography, tissue and laser Doppler

   Författare :Laila Hübbert; Birgitta Janerot-Sjöberg; Ulf Dahlström; Sven-Erik Ricksten; Linköpings universitet; []
   Nyckelord :MEDICINE; MEDICIN;

   Sammanfattning : Echocardiography is an ultrasound-based bedside, non-invasive and easily available cardiac diagnostic technique visualising the heart’s morphology and function. Quantification of cardiac wall motion can be measured with the tissue Doppler Imaging (TDI) modality which provides in humans a high diagnostic capacity to differentiate healthy from diseased myocardium with reduced function. LÄS MER

7. 15. Effects of S(+)-, R(-)- and racemic ketamine on the brain

   Författare :Anders Schmidt; Malmö Institutionen för kliniska vetenskaper; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES;

   Sammanfattning : Racemic ketamine, introduced in the mid-sixties, contains equal proportions of the enantiomersS(+)- and R(–)-ketamine. Early clinical reports indicated unfavourable effectson intracranial pressure (ICP) and on the cerebral circulation. Current literature on thistopic is however sparse, and available reports are divergent. LÄS MER