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Liver resection and metabolic disorders: An undescribed mechanism leading to postoperative mortality

World Journal of Gastroenterology 2014年第39期20卷 14455-14462页

作者： Alban Zarzavadjian Le Bian Renato Costi Mohamed Said Sbai-Idrissi Claude Smadja Service de Chirurgie Digestive H?pital Antoine BéclèreClamart Assistance Publique-H?pitaux de ParisUniversité Paris Sud-XI 91400 Orsay France Laboratoire d’Ethique Médicale et de Médecine Légale Université Paris Descartes-V 75006 Paris France Service de Chirurgie Digestive H?pital Simone Veil95600 Eaubonne France Dipartimento di Scienze Chirurgiche Università degli Studi di Parma 43100 Parma Italy

AIM: To investigate the mechanism leading to perioperative mortality in patients undergoing major liver resection and presenting with metabolic disorders.

关键词： Metabolic syndrome Major hepatectomy Liver resection postoperative mortality Hepatorenal syndrome

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Risk Prediction of Aortic Dissection Operation Based on Boosting Trees

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Computers, Materials & Continua 2021年第11期69卷 2583-2598页

作者： Ling Tan Yun Tan Jiaohua Qin Hao Tang Xuyu Xiang Dongshu Xie Neal N.Xiong The Second Xiangya Hospital of Central South University Changsha410011HunanChina Central South University of Forestry&Technology Changsha410004HunanChina Northeastern State University Tahlequah74464OKUSA

During the COVID-19 pandemic,the treatment of aortic dissection has faced additional *** necessary medical resources are in serious shortage,and the preoperative waiting time has been significantly prolonged due to the requirement to test for COVID-19 *** this work,we focus on the risk prediction of aortic dissection surgery under the influence of the COVID-19 pandemic.A general scheme of medical data processing is proposed,which includes five modules,namely problem definition,data preprocessing,data mining,result analysis,and knowledge *** on effective data preprocessing,feature analysis and boosting trees,our proposed fusion decision model can obtain 100%accuracy for early postoperative mortality prediction,which outperforms machine learning methods based on a single model such as LightGBM,XGBoost,and *** results reveal the critical factors related to the postoperative mortality of aortic dissection,which can provide a theoretical basis for the formulation of clinical operation plans and help to effectively avoid risks in advance.

关键词： Risk prediction aortic dissection COVID-19 postoperative mortality boosting tree

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Surgical mortality in patients with malignant obstructive jaundice: a multivariate discriminant analysis

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Hepatobiliary & Pancreatic Diseases International 2003年第3期2卷 435-440页

作者： Xi-Chun Han Jin-Long Li Gang Han the Department of Surgery, Second Hospital, Jilin University, Changchun 130041, China Department of Surgery Second Hospital Jilin University Changchun 130041 China. hanchun601@***

OBJECTIVE: To estimate the operative mortality in patients with malignant obstructive jaundice. METHODS: Twelve risk factors were analyzed using multivariate discriminant analysis in 90 patients who had been operated on. RESULTS: Operative mortality was significantly related to the following factors: age, duration of jaundice, packed RBC volume, white blood cell count and concentration of blood urine nitrogen; it was not significantly related to diseases and types of operation. The following formula was obtained: packed RBC volume×0.09954-age×0. 04018-blood urine nitrogen×0. 23693-duration of jaundice× 2. 07388-WBC count×0. 21118+5. 26593. With this formula, an operative mortality of 77. 8% was predicted. CONCLUSION: With a positive value from the formula, the patient should be operated on; otherwise non-operative treatment is advocated.

关键词： malignant obstructive jaundice postoperative mortality multivariate discriminant analysis

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The Association between Preoperative Plasma C-Reactive Protein (CRP) Level and postoperative Adult Heart Surgery Outcome

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Open Journal of Internal Medicine 2016年第3期6卷 93-99页

作者： Bilehjani Eissa Fakhari Solmaz Farzin Haleh Mirinezhad Mousa Shadvar Kamran Yaghoubi Alireza Ranjbar Shirin Department of Anesthesiology Tabriz University of Medical Sciences Tabriz Iran Shaid Gazi Hospital Tabriz Iran Iran University of Medical Sciences Tehran Iran Tabriz University of Medical Sciences Tabriz Iran

Introduction: Careful history and physical examinations are the best ways for preoperative evaluation. Currently, we are recommended to rely on doing them rather than unnecessary and costly laboratory tests for confirmation or diagnosis of disease. The aim of study is the survey of CRP level association to decide further evaluation and expert consultation, newly diagnosed problems and possible effect on postoperative mortality and morbidity. Methods and Materials: In a descriptive retrospective study, hospital documentation of 620 patients older than 18 years undergone heart surgery in Tabriz Shahid Madani hospital was evaluated. Addition to plasma CRP level, patient’s demographic information, type of surgery, preoperative significant tests, delay time in surgery start time after anesthesiology visit, cause of requested specialty consultation and treatment recommendation, postoperative complications and mortality rate were recorded and analyzed. Patients were classified according to preoperative plasma CRP level to five groups as negative, +1, +2, +3 and not measured (i.e. they considered as normal (0 - 5 mg/l), mildly (5 - 40 mg/l), moderately (40 - 200 mg/L) or severely increased (>200 mg/l) groups). Results: Of 620 patients, 402 were male and 218 were female. There was not statistically significant correlation among demographic variables (gender, age, weight, and height), heart disease diagnosis and the type of surgery in five groups. In 79 individuals, they were done specialty consultations that most common of them were neurology consultation because of impaired renal laboratory tests. Only 2 cases were due to high CRP level. In any of cases, this preoperative consultation didn’t result from new disease cases. CRP plasma level hadn’t association with preoperative red blood cell sedimentation level. Prevalence of preoperative acute myocardium infarction was higher in patients with high CRP level. In group +1, delay time was lower than other groups. The most commo

关键词： C-Reactive Protein Heart Surgery postoperative Complication postoperative mortality

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