Sökning: "Microwave ablation"

Visar resultat 1 - 5 av 12 avhandlingar innehållade orden Microwave ablation.

1. 1. CT Guided Ablation of T1 Renal Tumors

   Författare :Vanessa Acosta Ruiz; Anders Magnusson; Mikael Hellström; Uppsala universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Renal tumor; Ablation; Radiofrequency ablation; Microwave ablation; Radiology; Radiologi;

   Sammanfattning : The widespread use of medical imaging contributes to the increased detection of incidentally detected small renal tumors, a majority which are often indolent masses found in elderly patients with preexisting chronic kidney disease. In Sweden, partial nephrectomy with minimal invasive surgical approach is the current standard for removing these tumors, although another option is percutaneous image-guided tumor ablation that allows treatment of elderly patients with comorbidities for who surgery is a risk. LÄS MER

3. 2. Atrial fibrillation in cardiac surgery

   Författare :Anders Ahlsson; Anders Englund; Johan Brandt; Örebro universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Atrial fibrillation; Inflammation; CABG surgery; Survival analysis; Follow-up studies; Ablation; Microwave; Transmurality; Atrial function; Tissue velocity echocardiography; Thoracic surgery; Thoraxkirurgi; Kirurgi; särskilt thoraxkirurgi; Surgery esp. Thoracic and Cardivascular Surgery;

   Sammanfattning : Atrial fibrillation (AF) is the most common arrhythmia seen in clinical practice. In cardiac surgery, one-third of the patients experience episodes of AF during the first postoperative days (postoperative AF), and patients with preoperative AF (concomitant AF) can be offered ablation procedures in conjunction with surgery, in order to restore ordinary sinus rhythm (SR). LÄS MER

4. 3. Ferroelectric Thin Films on Si-substrate for Tunable Microwave Applications

   Författare :Saeed Abadei; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Phase shifter; BaxSr1-xTiO3; Tunable microwave device; Ferroelectric Varactor; Paraelectric; Filter; Na0.5K0.5NbO3; Integrated ferroelectric device; SrTiO3; Ferroelectric;

   Sammanfattning : The thesis presents the development of microwave tunable devices based onferroelectric thin films. The main tasks in this work are the fabrication, optimization, andintegration of ferroelectric thin film into Si-MMIC. LÄS MER

5. 4. Stereostactic microwave ablation as an alternative to surgical resection for colorectal cancer liver metastates

   Författare :Pascale Tinguely; Karolinska Institutet; Karolinska Institutet; []
   Nyckelord :;

   Sammanfattning : Colorectal cancer (CRC) implies a substantial global burden of disease with a relevant impact on the general population and on healthcare systems in terms of morbidity, mortality, quality of life, and costs. A raising CRC incidence emphasises the need to refine screening and prevention strategies, and design optimal algorithms for treatment indication and outcome prediction. LÄS MER

7. 5. Transurethral microwave thermotherapy of benign prostatic hyperplasia : mechanisms of action and clinical outcome

   Författare :Marianne Brehmer; Karolinska Institutet; Karolinska Institutet; []
   Nyckelord :benign prostatic hyperplasia; transurethral microwave thermotherapy; clinical outcome; sham treatment; innervation; urethral sensitivity; necrosis; apoptosis; prostatic stromal cells in culture;

   Sammanfattning : Background: The therapeutic value of transurethral microwave thermotherapy (TUMT) in benign prostatic hyperplasia (BPH) is a matter of debate. Aims: Evaluation of the clinical effect of TUMT and of various duration of the treatment; investigation of the kind and extent of tissue lesions induced by TUMT and of the mechanisms behind the therapeutic effect; investigation of the effect of heat on human prostate stromal cells in cell culture. LÄS MER