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Article in Chinese | WPRIM | ID: wpr-932752


In the process of radical resection of abdominal malignant tumors, large blood vessels are often invaded, which not only increases the difficulty of operation, but also directly affects the curative effect and prognosis. As the concept of expanded radical surgery combined with vascular resection and reconstruction and related techniques have been gradually recognized, surgeons have begun to use autologous, allogeneic or artificial vessels to repair the defective blood vessels during surgery, so as to achieve the effect of radical surgery. However, due to the short comings of these materials, scholars have been looking for better alternatives. In view of the fact that the mesothelial cells of the peritoneum and the endothelial cells of the blood vessels have many similarities in embryology, histology and physiology, and peritoneum is also easier to obtain than autologous, allogeneic or artificial vessels. To make the autologous peritoneum into a patch for repairing the defective blood vessels is feasible in theoretical and technical. In this paper, we review the current research progress of autologous peritoneal patch to repair blood vessels of defect.

Article in Chinese | WPRIM | ID: wpr-450800


Liver transplantation is currently the only treatment option for end-stage liver disease,but it is limited by the lack of high quality donor livers.The ongoing liver donor shortage could be alleviated by the consequent expansion of do-nor criteria to include the use of livers that would once have been discarded as unsuitable,marginal livers.Static cold storage,the current gold standard of organ preservation,is incapable of reversing the ischemic damage these organs have sustained.In hepatic transplantation,the limitations of cold storage are reflected in the significantly higher rates of early al]ograft dysfunction,primary non-function,and local ischemic cholangiopathy,especially seen with older,steatotic and donation after cardiac death (DCD) grafts.The existing cold storage technology has restricted the use of this kind of organs and machine perfusion preservation technology becomes an alternative choice.In this paper,we review the research progress on machine perfusion preservation of livers,and introduce the normothermic machine perfusion.

Article in Chinese | WPRIM | ID: wpr-557076


Objectives: To investigate the distribution of common pathogens and their antibiotic resistance from patiens with catheter related sepsis (CRS).Methods: Catheter bacteria cultrure and antibiotic sensitivity test were performed from 69 patiens with CRS.Results: The common pathogens in CRS were fungi (41.1%),Gram-positive cocci (35.6%)and Gram-negtive bacilli (23.3%). Non-C. albicans species were major pathogen (19/30 stranins).The most strains were staphylococcus epidermidis in Gram-positive cocci and the most of them were Methicillin resistant.No vancomycin resistant strains were found. The Gram negative bacilli were often resistant to third generation cephalosporens.Conclusions: The dorminant pathogens of CRS are fungi and gram positive cocci and we should pay more attention to pathogens of resistence to antibiotics. In order to control CRS, CVC must be used reasonably and shorten the duration of retention.