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Postoperative jaundice after cardiac surgery

Hepatobiliary & Pancreatic Diseases International 2007年第4期6卷 383-387页

作者： Aikaterini mastoraki Emmanouil Karatzis sotiria mastoraki Ioannis Kriaras Petros Sfirakis Stefanos Geroulanos Department of Surgical Intensive Care Unit Onassis Cardiac Surgery Center356 Sygrou Ave17674 AthensGreece

BACKGROUND:The frequency and pattern of hyperbili-rubinemia after open-heart surgery and its severe perioperative complications are not well clarified. The purpose of this study was to investigate the incidence and nature of postoperative jaundice in patients undergoing cardiac operation,to analyze the determinants,and to identify the clinical significance of this complication with regard to the associated morbidity and mortality. METHODS:A prospective observational study was made during the period of 2003-2004 in a Surgical Intensive Care Unit of a Cardiac Surgery Center,Athens. One hundred twenty-eight adult patients for open heart surgery were divided into three groups. Group A included 50 patients who underwent coronary artery bypass crafting(CABG),group B 31 patients who were subjected to aortic valve replacement(AVR)+CABG and group C 47 patients who underwent mitral valve replacement(MVR)+CABG. Aminotransferases,alkaline phosphatase,gamma-glutamyl-transpeptidase and both types of bilirubin were determined at admission,24 hours after the operation and thereafter according to clinical evolution. The presence of jaundice was associated with elevated serum bilirubin above 3 mg/dl. RESULTS:Hyperbilirubinemia developed in 34 patients(26.5%). The incidence of postoperative jaundice was higher in patients who were subjected to MVR+CABG than to CABG and AVR+CABG. Hyperbilirubinemia was correlated with prolonged cardiopulmonary by-passtime(P<0.001),aortic cross-clamping time(P<0.001),the use of intra aortic balloon pumping(P<0.001),the administration of inotrops and the number of blood and plasma transfusions. Postoperative jaundice resulted mainly from an increase in conjugated bilirubin. CONCLUSIONS:Although hyperbilirubinemia seems to be multifactorial,the type of operation,the preoperative hepatic dysfunction due to advanced heart failure(NYHA Ⅱ-Ⅲ) and the decreased hepatic flow during the operation seem to determine the incidence of jaundice.

关键词： jaundice conjugated bilirubin cardiac surgery prognosis

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Facing the challenge of venous thromboembolism prevention in patients undergoing major abdominal surgical procedures for gastrointestinal cancer

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World Journal of Gastrointestinal Oncology 2018年第10期10卷 328-335页

作者： Aikaterini mastoraki sotiria mastoraki Dimitrios Schizas Raphael Patras Nikolaos Krinos Ioannis S Papanikolaou Andreas Lazaris Theodore Liakakos Nikolaos Arkadopoulos 4th Department of Surgery National and Kapodistrian University of AthensAttikon University HospitalAthens 12462Greece Department of Vascular Surgery National and Kapodistrian University of AthensAttikon University HospitalAthens 12462Greece 1st Department of Surgery National and Kapodistrian University of AthensLaikon HospitalAthens 11527Greece

Venous thromboembolism(VTE)refers to a hypercoa-gulable state that remains an important and preven-table factor in the surgical treatment of malignancies.VTE includes two identical entities with regards to deep vein thrombosis and pulmonary embolism.The incidence of VTE after major abdominal interventions for gastro-intestinal,hepato-biliary and pancreatic neoplastic disor-ders is as high as 25%without prophylaxis.Prophylactic use of classic or low-molecular-weight heparin,anti-Xa factors,antithrombotic stocking,intermittent pneumatic compression devices and early mobilization have been described.Nevertheless,thromboprophylaxis is often dis-continued after discharge,although a serious risk may persist long after the initial triggering event,as the coagu-lation system remains active for at least 14 d post-opera-tively.The aim of this review is to evaluate the results of the current practice of VTE prevention in cancer patients undergoing major abdominal surgical operations,with special attention to adequately elucidated guidelinesand widely accepted protocols.In addition,the recent literature is presented in order to provide an update on the current concepts concerning the surgical manage-ment of the disease.

关键词： Deep vein thrombosis Pulmonary embolism Gastro-intestinal cancer Thromboprophylaxis Venous thromboembolism

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Mesenteric ischemia:Pathogenesis and challengingdiagnostic and therapeutic modalities

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World Journal of Gastrointestinal Pathophysiology 2016年第1期7卷 125-130页

作者： Aikaterini mastoraki sotiria mastoraki Evgenia Tziava Stavroula Touloumi Nikolaos Krinos Nikolaos Danias Andreas Lazaris Nikolaos Arkadopoulos 4th Department of Surgery Athens UniversityMedical SchoolATTIKON University Hospital12462 ChaidariAthensGreece Department of Vascular Surgery Athens UniversityMedical SchoolATTIKON University Hospital12462 ChaidariAthensGreece

Mesenteric ischemia(MI) is an uncommon medical condition with high mortality rates. ΜΙ includes inadequate blood supply, inflammatory injury and eventually necrosis of the bowel wall. The disease can be divided into acute and chronic MI(CMI), with the first being subdivided into four categories. Therefore, acute MI(AMI) can occur as a result of arterial embolism, arterial thrombosis, mesenteric venous thrombosis and nonocclusive causes. Bowel damage is in proportion to the mesenteric blood flow decrease and may vary from minimum lesions, due to reversible ischemia, to transmural injury, with subsequent necrosis and perforation. CMI is associated to diffuse atherosclerotic disease in more than 95% of cases, with all major mesenteric arteries presenting stenosis or occlusion. Because of a lack of specific signs or due to its sometime quiet presentation, this condition is frequently diagnosed only at an advanced stage. Computed tomography(CT) imaging and CT angiography contribute to differential diagnosis and management of AMI. Angiography is also the criterion standard for CMI, with mesenteric duplex ultrasonography and magnetic resonance angiography also being of great importance. Therapeutic approach of MI includes both medical and surgical treatment. Surgical procedures include restoration of the blood flow with arteriotomy, endarterectomy or anterograde bypass, while resection of necrotic bowel is always implemented. The aim of this review was to evaluate the results of surgical treatment for MI and to present the recent literature in order to provide an update on the current concepts of surgical management of the disease. Mesh words selected include MI, diagnostic approach and therapeutic management.

关键词： Acute mesenteric ischemia Mesentericischemia Chronic diagnostic approach Therapeuticmanagement Surgical strategy

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