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| 1 | Predictors of long term survival after hepatic resection for hilar cholangiocarcinoma:A retrospective study of 5-year survivors显示文摘AIM:To determine predictors of long term survival after resection of hilar cholangiocarcinoma(HC) by comparing patients surviving > 5 years with those who survived < 5 years.METHODS:This is a retrospective study of patients with pathologically proven HC who underwent surgical resection at the Gastroenterology Surgical Center,Mansoura University,Egypt between January 2002 and April 2013.All data of the patients were collected from the medical records.patients were divided into two groups according to their survival:patients surviving less than 5 years and those who survived > 5 years.RESULTS:There were 34(14%) long term survivors(5 year survivors) among the 243 patients.Fiveyear survivors were younger at diagnosis than those surviving less than 5 years(mean age,50.47 ± 4.45 vs 54.59 ± 4.98,p = 0.001).Gender,clinical presentation,preoperative drainage,preoperative serum bilirubin,albumin and serum glutamic-pyruvic transaminase were similar between the two groups.The level of CA 19-9 was significantly higher in patients surviving < 5 years(395.71 ± 31.43 vs 254.06 ± 42.19,p = 0.0001).Univariate analysis demonstrated nine variables to be significantly associated with survival > 5 year,includingyoung age(p = 0.001),serum CA19-9(p = 0.0001),non-cirrhotic liver(p = 0.02),major hepatic resection(p = 0.001),caudate lobe resection(p = 0.006),well differentiated tumour(p = 0.03),lymph node status(0.008),R0 resection margin(p = 0.0001) and early postoperative liver cell failure(p = 0.02).CONCLUSION:Liver status,resection of caudate lobe,lymph node status,R0 resection and CA19-9 were demonstrated to be independent risk factors for long term survival. | Mohamed Abd El Wahab Ayman El Nakeeb Ehab El Hanafy Ahmad M Sultan Ahmed Elghawalby Waleed Askr Mahmoud Ali Mohamed Abd El Gawad Tarek Salah | 2016 | World Journal of Gastrointestinal Surgery2016，8，6： | 10 |
| 2 | Pancreatic Anastomotic Leakage after Pancreaticoduodenectomy. Risk factors, Clinical predictors, and Management (Single Center Experience)显示文摘 | Ayman El Nakeeb Tarek Salah Ahmad Sultan Mohamed El Hemaly Waleed Askr Helmy Ezzat Emad Hamdy Ehab Atef Ehab El Hanafy Ahmed El-Geidie Mohamed Abdel Wahab Talaat Abdallah | 2013 | World Journal of Surgery2013，，6： | 4 |
| 3 | Comparative study between duct to mucosa and invaginationg pancreaticojujunostomy:aprospective randomized study显示文摘 | EI Nakeed A EI Hemaly Askr W | 2015 | Int J Surg2015，16，： | 1 |
| 4 | Pancreatic Anastomotic Leakage after Pancreaticoduodenectomy. Risk factors, Clinical predictors, and Management (Single Center Experience)显示文摘 | Ayman El Nakeeb Tarek Salah Ahmad Sultan Mohamed El Hemaly Waleed Askr Helmy Ezzat Emad Hamdy Ehab Atef Ehab El Hanafy Ahmed El-Geidie Mohamed Abdel Wahab Talaat Abdallah | 2013 | World Journal of Surgery2013，，6： | 1 |
| 5 | Pancreatic Anastomotic Leakage after Pancreaticoduodenectomy. Risk factors, Clinical predictors, and Management (Single Center Experience)显示文摘 | Ayman El Nakeeb Tarek Salah Ahmad Sultan Mohamed El Hemaly Waleed Askr Helmy Ezzat Emad Hamdy Ehab Atef Ehab El Hanafy Ahmed El-Geidie Mohamed Abdel Wahab Talaat Abdallah | 2013 | World Journal of Surgery2013，，6： | 1 |
| 6 | Dynamic Routing Optimization Algorithm for Software Defined Networking显示文摘Time and space complexity is themost critical problemof the current routing optimization algorithms for Software Defined Networking(SDN).To overcome this complexity,researchers use meta-heuristic techniques inside the routing optimization algorithms in the OpenFlow(OF)based large scale SDNs.This paper proposes a hybrid meta-heuristic algorithm to optimize the dynamic routing problem for the large scale SDNs.Due to the dynamic nature of SDNs,the proposed algorithm uses amutation operator to overcome the memory-based problem of the ant colony algorithm.Besides,it uses the box-covering method and the k-means clustering method to divide the SDN network to overcome the problemof time and space complexity.The results of the proposed algorithm compared with the results of other similar algorithms and it shows that the proposed algorithm can handle the dynamic network changing,reduce the network congestion,the delay and running times and the packet loss rates. | Nancy Abbas El-Hefnawy Osama Abdel Raouf Heba Askr | 2022 | Computers, Materials & Continua2022，，1： | 0 |
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