Is minimally invasive valve sparing aortic root replacement ( David procedure ) safe?
Minimally invasive valve sparing aortic root replacement can be safely performed in selected patients. The results are comparable to those operated via a full sternotomy. The key to success is a 'step by step' technique of moving from minimally invasive aortic valve replacements (AVR) to more demanding aortic root replacements. Meticulous hemostasis & attention to surgical details is of utmost importance to prevent perioperative complications.
Commercial sources of antiserum used for immunofixation electrophoresis may contain antibodies with specificity towards proteins typically absent from serum such as fibrinogen and can produce clinically misleading results.