Sökning: "lower body negative pressure"
Visar resultat 1 - 5 av 18 avhandlingar innehållade orden lower body negative pressure.
1. Nitric oxide production by the intestinal mucosa during hypoperfusion
Sammanfattning : The present thesis is based on the concept that gastrointestinal blood hypoperfusion is a common phenomenon associated with critical illness. Furthermore, the development of the multiple organ dysfunction syndrome (MODS) is proposed to be initiated by gastrointestinal mucosal barrier dysfunction, allowing intestinal luminal contents to penetrate into the tissue and activate a systemic inflammatory response. LÄS MER
2. Effects of anesthesia on esophageal sphincters in obese patients
Sammanfattning : The lower esophageal sphincter (LES) and the upper esophageal sphincter (UES) play a central role in preventing regurgitation and aspiration. The aim of this thesis was to evaluate the UES, LES, esophageal (E) and barrier (Br) pressures (P) using high resolution solid state manometry (HRSM). LÄS MER
3. Effects of surgically induced weight loss on cardiovascular risk factors. Results from the intervention study Swedish Obese Subjects
Sammanfattning : Aims: To investigate the effects of large maintained weight losses on body composition, adipose tissue distribution and cardiovascular risk factors, i.e. systolic blood pressure, diastolic blood pressure, glucose, insulin, triglycerides, cholesterol, HDL-cholesterol and uric acid. LÄS MER
4. Cardiovascular regulation in women with vasovagal syncope : With special reference to the venous system
Sammanfattning : Although vasovagal syncope (VVS) is a common clinical condition the mechanisms behind VVS remain elusive. Upright posture is the major trigger of VVS and lower limb blood pooling affecting cardiac output has been proposed as a major determinant. The overall aim of this thesis was twofold. LÄS MER
5. Health changes in a market changing labour market
Sammanfattning : The late 20th century saw major changes in working life across the world. In Sweden, the changes on the labour market had a very strong impact in the early years of the 1990s. LÄS MER