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| 1 | Trends and outcomes of pancreaticoduodenectomy for periampullary tumors: A 25-year single-center study of 1000 consecutive cases显示文摘AIM To evaluate the evolution, trends in surgical approaches a n d r e c o n s t r u c t i o n t e c h n i q u e s, a n d i m p o r t a n t lessons learned from performing 1000 consecutive pancreaticoduodenectomies(PDs) for periampullary tumors.METHODS This is a retrospective review of the data of all patients who underwent PD for periampullary tumor during the period from January 1993 to April 2017. The data were categorized into three periods, including early period(1993-2002), middle period(2003-2012), and late period(2013-2017).RESULTS The frequency showed PD was increasingly performed after the year 2000. With time, elderly, cirrhotic and obese patients, as well as patients with uncinate process carcinoma and borderline tumor were increasingly selected for PD. The median operative time and postoperative hospital stay decreased significantly over the periods. Hospital mortality declined significantly, from 6.6% to 3.1%. Postoperative complications significantly decreased, from 40% to 27.9%. There was significant decrease in postoperative pancreatic fistula in the second 10 years, from 15% to 12.7%. There was a significant improvement in median survival and overall survival among the periods.CONCLUSION Surgical results of PD significantly improved, with mortality rate nearly reaching 3%. Pancreatic reconstruction following PD is still debatable. The survival rate was also improved but the rate of recurrence is still high, at 36.9%. | ayman el nakeeb waleed askar ehab atef ehab el hanafy ahmad m sultan tarek salah ahmed shehta mohamed el sorogy emad hamdy mohamed el hemly ahmed a el-geidi tharwat kandil mohamed el shobari talaat abd allah amgad fouad mostafa abu zeid ahmed abu el eneen nabil gad el-hak gamal el ebidy omar fathy ahmed sultan mohamed abdel wahab | 2017 | World Journal of Gastroenterology2017，23，38： | 15 |
| 2 | Post-endoscopic retrograde cholangiopancreatography pancreatitis: Risk factors and predictors of severity显示文摘AIM To detect risk factors for post-endoscopic retrograde cholangiopancreatography(ERCP) pancreatitis(PEP) and investigate the predictors of its severity.METHODS This is a prospective cohort study of all patients who underwent ERCP.Pre-ERCP data,intraoperative data,and post-ERCP data were collected.RESULTS The study population consisted of 996 patients.Their mean age at presentation was 58.42(± 14.72) years,and there were 454 male and 442 female patients.Overall,PEP occurred in 102(10.2%) patients of the study population; eighty(78.4%) cases were of mild to moderate degree,while severe pancreatitis occurred in 22(21.6%) patients.No hospital mortality was reported for any of PEP patients during the study duration.Age less than 35 years(P = 0.001,OR = 0.035),narrower common bile duct(CBD) diameter(P = 0.0001) and increased number of pancreatic cannulations(P = 0.0001) were independent risk factors for the occurrence of PEP.CONCLUSION PEP is the most frequent and devastating complication after ERCP.Age less than 35 years,narrower median CBD diameter and increased number of pancreaticcannulations are independent risk factors for the occurrence of PEP.Patients with these risk factors are candidates for prophylactic and preventive measures against PEP. | Ayman El Nakeeb Ehab El Hanafy Tarek Salah Ehab Atef Hosam Hamed Ahmad M Sultan Emad Hamdy Mohamed Said Ahmed A El Geidie Tharwat Kandil Mohamed El Shobari Gamal El Ebidy | 2016 | World Journal of Gastrointestinal Endoscopy2016，8，19： | 10 |
| 3 | Intraoperative endoscopic retrograde cholangiopancreatography: A useful tool in the hands of the hepatobiliary surgeon显示文摘AIM: To evaluate the efficacy of intraoperative endoscopic retrograde cholangio-pancreatography(ERCP) combined with laparoscopic cholecystectomy(LC) forpatients with gall bladder stones(GS) and common bile duct stones(CBDS).METHODS: Patients treated for GS with CBDS were included. LC and intraoperative transcystic cholangiogram(TCC) were performed in most of the cases. Intraoperative ERCP was done for cases with proven CBDS.RESULTS: Eighty patients who had GS with CBDS were included. LC was successful in all cases. Intraoperative TCC revealed passed CBD stones in 4 cases so intraoperative ERCP was performed only in 76 patients. Intraoperative ERCP showed dilated CBD with stones in 64 cases(84.2%) where removal of stones were successful; passed stones in 6 cases(7.9%); short lower end stricture with small stones present in two cases(2.6%) which were treated by removal of stones with stent insertion; long stricture lower 1/3 CBD in one case(1.3%) which was treated by open hepaticojejunostomy; and one case(1.3%) was proved to be ampullary carcinoma and whipple's operation was scheduled. CONCLUSION: The hepatobiliary surgeon should be trained on ERCP as the third hand to expand his field of therapeutic options. | Ayman El Nakeeb Ahmad M Sultan Emad Hamdy Ehab El Hanafy Ehab Atef Tarek Salah Ahmed A El Geidie Tharwat Kandil Mohamed El Shobari Gamal El Ebidy | 2015 | World Journal of Gastroenterology2015，21，2： | 6 |
| 4 | Catalytic chemical amide synthesis at room temperature: one more step toward peptide synthesis显示文摘 | Tharwat M E1 D William E Yohann B | 2015 | J Org Chem2015，80，19： | 1 |
| 5 | The cardiac biomarkers troponin I and CK-MB in nonpregnant and pregnant goats,goats with normal birth,goats with prolonged birth,and goats with pregnancy toxemia显示文摘 | Tharwat M Al-Sobayil F Al-Sobayil K | 2012 | Theriogenology2012，78，7： | 1 |
| 6 | A comprehensive numerical algorithm for solving service points location problems显示文摘 | Tharwat A A Saleh M | 2006 | Applied Mathematics and Computation2006，176，1： | 1 |
| 7 | Effect of isoflurane and halothane on myocardial fimction in healthy dromedary camels as as- sessed by cardiac troponin I 显示文摘 | Tharwat M Alsobayil F A Ahmad A F | 2013 | Journal of Camel Practice and Re- search2013，20，2： | 1 |
| 8 | Influence of racing on the serum concentrations of the cardiac biomarkers troponin I and creatine kinase myocardial band (CK-MB) in racing greyhounds显示文摘 | Tharwat M AL--sobayil 17 Buezinski S | 2013 | Vet J2013，19，8： | 1 |
| 9 | Influence of racingon the serum concentrations of the cardiac biomarkers troponin I andcreatine kinase myocardial band (CK-MB) in racing greyhounds 显示文摘 | THARWAT M AL-SOBAYIL F BUCZINSKI S | 2013 | VetJ2013，19，8： | 1 |
| 10 | Barriers for resuming endoscopy service in the context of COVID-19 pandemic:A multicenter survey from Egypt显示文摘BACKGROUND The current coronavirus disease 2019(COVID-19)pandemic has affected routine endoscopy service across the gastroenterology community.This led to the suspension of service provision for elective cases.AIM To assess the potential barriers for resuming the endoscopy service in Egypt.METHODS A national online survey,four domains,was disseminated over a period of 4 wk in August 2020.The primary outcome of the survey was to determine the impact of the COVID-19 pandemic on the endoscopy service and barriers to the full resumption of a disabled center(s).RESULTS A hundred and thirteen Egyptian endoscopy centers participated in the survey.The waiting list was increased by≥50% in 44.9% of areas with clusters of COVID-19 cases(n=49)and in 35.5% of areas with sporadic cases(n=62).Thirty nine(34.8%)centers suffered from staff shortage,which was considered a barrier against service resumption by 86.4% of centers in per-protocol analysis.In multivariate analysis,the burden of cases in the unit locality,staff shortage/recovery and the availability of separate designated rooms for COVID-19 cases could markedly affect the resumption of endoscopy practice(P=0.029,<0.001 and 0.02,respectively)and Odd’s ratio(0.15,1.8 and 0.16,respectively).CONCLUSION The COVID-19 pandemic has led to restrictions in endoscopic volumes.The staff shortage/recovery and the availability of COVID-19 designed rooms are the most important barriers against recovery.Increasing working hours and dividing endoscopy staff into teams may help to overcome the current situation. | Omar Elshaarawy Sameh Aldesoky Lashen Nahed A Makhlouf Doaa Abdeltawab Mariam Salah Zaghloul Rasha M Ahmed Hayam Fathy Shimaa Afifi Muhammad Abdel-Gawad Eman Abdelsameea Sherief Abd-Elsalam Salem Youssef Mohamed Mohammed Tag-Adeen Mina Tharwat Ahmed Alzamzamy Ahmed Nasr Bekhit Alshaimaa M Eid Abeer Awad Mohamed-Naguib Wifi Mohammad Aamr Waleed A Abd El Dayem Mohamed Alboraie | 2020 | World Journal of Gastroenterology2020，26，43： | 0 |
| 11 | Efficacy of topical dorzolamide 2% in diabetic cystoid macular edema显示文摘AIM:To study the effect of topical dorzolamide 2%on macular thickness reduction in diabetic cystoid macular edema(CME).METHODS:This was a prospective,non-randomized,open study including eyes with diabetic macular edema(DME).All eyes received topical dorzolamide 2%three times daily for one month.Changes in best-corrected visual acuity(BCVA),and central macular thickness(CMT)by optical coherence tomography were evaluated at 1 wk,1,and 3 mo post-treatment.RESULTS:Ninety-three eyes(84 patients)were included.Mean±SD(log MAR)BCVA improved significantly from 1.08±0.26 pretreatment to 0.66±0.24 at 1 mo and 0.87±0.26 at 3 mo post-treatment(P<0.001 both).The mean±SD CMT was significantly reduced from 535.27±97.4μm at baseline to 357.43±125.8μm at 1 mo and 376.23±114.5μm at 3 mo post-treatment(P<0.001 both).No significant ocular or systemic side effects were recorded.CONCLUSION:Topical dorzolamide 2%results in significant improvement of mean BCVA and reduction of mean CMT at 3 mo post-treatment.It can be used as an effective,affordable,and safe therapy for treatment of nonrefractory diabetic CME. | Amani E Badawi Tharwat H.Mokbel Eman M Elhefney Sherein M.Hagras Ameera G Abdelhameed | 2021 | International Journal of Ophthalmology(English edition)2021，14，9： | 0 |
| 12 | Trabeculectomy with Ologen implant versus perfluoropropane gas bubble for open angle glaucoma in pseudophakic eyes显示文摘AIM:To evaluate the safety and efficacy of augmented trabeculotomy with Ologen versus perfluoropropane in management of pseudophakic glaucoma.METHODS:This is a comparative randomized study included 57 pseudophakic eyes of 57 patients with medically uncontrolled open angle glaucoma(OAG).Twentynine patients were allocated in group I(trabeculectomy with Ologen;trab-ologen group),while 28 patients were assigned in group II(trabeculectomy with perfluoropropane gas bubble;trab-C3 F8 gas bubble group).RESULTS:The intraocular pressure(IOP)was significantly reduced in both study groups at all postoperative follow up intervals(1 wk,3,6,12,18,24,30 and 36 mo,P<0.001).The differences between the mean IOP values of both groups remained statistically insignificance during the early 12 months of follow up.However,the trab-ologen group achieved a statistically significant reduction over the trab-C3 F8 gas bubble group during the last 24 months of follow up.CONCLUSION:Augmentation of trabeculectomy with either Ologen implant or perfluoropropane gas bubble are associated with strict long term IOP control and evident safety in medically-uncontrolled pseudophakic eyes with OAG. | Ahmed S Elwehidy Tharwat Mokbel Hossam Youssef Abouelkheir Waleed Abou Samra Faried M Wagdy Amr Mohammed Elsayed Abdelkader | 2021 | International Journal of Ophthalmology(English edition)2021，14，4： | 0 |
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