Sökning: "Left ventricle"

Visar resultat 11 - 15 av 91 avhandlingar innehållade orden Left ventricle.

1. 11. Left Ventricular Dynamics During Exercise in Endurance Athletes

   Författare :Milena Sundstedt; Tommy Jonason; Egil Henriksen; Eva Nylander; Uppsala universitet; []
   Nyckelord :Physiology; athletes; exercise; left ventricular dynamics; stroke volume; mitral annular motion; Fysiologi;

   Sammanfattning : Large quantities of data have described left ventricular adaptation to endurance training, but basic concepts on left ventricular performance during exercise remain controversial. In this thesis, we present the results of studies of left ventricular dynamics during exercise in 89 endurance-trained athletes. LÄS MER

3. 12. Cardiac morphology and dynamics in Swedish elite orienteers : Evaluation of the right and left ventricle by two-dimensional and doppler echocardiography

   Författare :Egil Henriksen; Uppsala universitet; []
   Nyckelord :Medical sciences; Echocardiography; sudden unexpected death in young orienteers; right and left ventricular measurements; Doppler echocardiography in athletes; MEDICIN OCH VÅRD; MEDICINE; MEDICIN; Clinical Physiology; klinisk fysiologi;

   Sammanfattning : Background. Between 1979 and 1992, 16 (15 males and 1 female) sudden unexpected cardiac deaths(SUCD) were reported in Swedish orienteers. Compared with previous reports in young athletes there was a 10- to 100-fold increase in the sudden death rate in young male elite orienteers during this period. The mean age was 25 years (range 18-32 years). LÄS MER

4. 13. Left ventricular reconstruction in ischemic heart disease

   Författare :Ulrik Sartipy; Karolinska Institutet; Karolinska Institutet; []
   Nyckelord :Left ventricular reconstruction; surgical ventricular restoration; heart failure surgery; left ventricular aneurysm; ischemic heart disease; cardiac remodeling; surgery for ventricular tachycardia;

   Sammanfattning : Objectives: [1] To review our experience with left ventricular reconstruction (LVR) regarding safety (early mortality and morbidity) and long-term survival (Study I). [2] To evaluate LVR including surgery for ventricular tachycardia in patients with preoperative spontaneous or inducible ventricular tachycardia (Study II). LÄS MER

5. 14. Mitral annulus motion in left ventricular pumping

   Författare :Kent Emilsson; Peter Carlens; Linköpings universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICINE; MEDICIN; Cardiology; Kardiologi;

   Sammanfattning : This thesis focus on the role of the mitral annulus motion (MAM) versus outer contour changes in the short axis, in left ventricular (LV) pumping. The influence of atrial contraction on LV dimensions and volumes and the relation between MAM and ejection fraction (EF) in sinus rhythm and in atrial fibrillation was also studied. LÄS MER

7. 15. The left ventricle in dogs with myxomatous mitral valve disease : remodeling and overall performance

   Författare :Ingrid Ljungvall; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
   Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

   Sammanfattning : The concept of left ventricular (LV) remodeling in dogs with myxomatous mitral valve disease (MMVD) includes changes in the LV occurring in response to mitral regurgitation (MR). The general aim of this thesis was to study LV remodeling and function in dogs with different severities of naturally acquired MMVD using 1) digital signal analysis technique for murmur and heart sound assessment, 2) biomarker analyses of circulating cardiac troponin I (cTnI), C-reactive protein (CRP), and matrix metalloproteinases (MMPs), and 3) real-time three-dimensional (RT3D) echocardiography for assessment of changes in LV shape and volume. LÄS MER