Sökning: "cardiac surgery"

Visar resultat 26 - 30 av 290 avhandlingar innehållade orden cardiac surgery.

1. 26. NHBD Lung Transplantation

   Författare :Per Wierup; Thoraxkirurgi; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; orthopaedics; traumatology; Kirurgi; ortopedi; traumatologi; Surgery; rat; pig; edema formation; lung preservation; bronchial healing; gas exchange; lung evaluation; Lung transplantation; non-heart-beating donor NHBD ;

   Sammanfattning : The waiting list for lung transplantations world-wide is steadily growing. So, the use of lungs from non-heart-beating donors (NHBD) needs to be addressed. Hence, the aim of this thesis was to evaluate, in realistic animal models, the new donor organ concept: NHBD transplantation. LÄS MER

3. 27. Advancing Endovascular Management of Thoracic Aortic Disease

   Författare :William J. Yoon; Anders Wanhainen; Kevin Mani; Thomas Forbes; Uppsala universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Thoracic endovascular aortic repair; branched thoracic endograft; dissection specific stent graft; computational fluid dynamics; automated image analysis; Kirurgi; Surgery;

   Sammanfattning : Despite technological advances and new endograft designs, endovascular treatment of the thoracic aorta still has important limitations. The aims of this thesis were to obtain further understanding on specific limitations in treating complex thoracic aortic pathologies with current technologies, to gain more insights into the hemodynamic consequences of thoracic endografting, and to explores the potential of deep learning algorithm-based automatic assessment of follow-up CTA imaging. LÄS MER

4. 28. On the assessment of right ventricular function using cardiac magnetic resonance imaging and echocardiography

   Författare :Stina Jorstig; Per Thunberg; Kent Emilsson; Mats Lidén; Micael Waldenborg; Einar Heiberg; Örebro universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; right ventricle; stroke volume; ejection fraction; cardiac magnetic resonance; ehocardiography; Kirurgi; Surgery;

   Sammanfattning : Transthoracic echocardiography (TTE) and cardiac magnetic resonance (CMR) imaging are two commonly used imaging modalities for evaluating the size and function of the heart. There are advantages and disadvantages associated with both modalities when examining the right ventricle (RV). LÄS MER

5. 29. New Intraoperative Techniques to Improve Advanced Aortic Root Surgery

   Författare :Faleh Alrashidi; Thoraxkirurgi; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Modified Ross Operation; Aortic Root surgery; Microemboli signals MES ; Transcranial Doppler TCD ; Acute plateletphersis APP ; Transesophageal echocardiography TEE ; de-airing;

   Sammanfattning : Study I: Thirteen patients underwent a modified Ross operation in which the free-standing pulmonary autograft was supported externally by a Dacron vascular prosthetic jacket (DVPJ). The tailor-made DVPJ prevented dilatation of the neo-aortic root significantly following a median follow-up of 47 months compared to a cohort of l3 matched patients undergoing conventional Ross operation. LÄS MER

7. 30. NT-proBNP as a marker of postoperative heart failure in adult cardiac surgery

   Författare :Huiqi Jiang; Rolf Svedjeholm; Yanqi Yang; Jonas Holm; Farkas Vanky; Johan Nilsson; Linköpings universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES;

   Sammanfattning : Postoperative heart failure (PHF) remains the major cause of mortality after cardiac surgery. Unfortunately, generally accepted diagnostic criteria for PHF are lacking. This may explain why the evidence for the efficacy and safety of current treatment of PHF with inotropes is insufficient. LÄS MER