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| 1 | Utility of endoscopic ultrasound in patients with portal hypertension显示文摘Endoscopic ultrasound(EUS) has revolutionized the diagnostic and therapeutic approach to patients with gastrointestinal disorders. Its application in patients with liver disease and portal hypertension is increasing. Patients with chronic liver disease are at risk for development of portal hypertension sequale such as ascites, spontaneous bacterial peritonitis and gastroesophageal varices. Bleeding esophageal and gastric varices are among the most common causes of mortality in patients with cirrhosis. Thus, early detection and treatment improve the outcome in this population. EUS can improve the detection and diagnosis of gastroesophageal varices and collateral veins and can provide endoscopic therapy of gastroesophageal varices such as EUS-guided sclerotherapy of esophageal collateral vessels and EUS-guided cynoacrylate(Glue) injection of gastric varices. EUS can also provide knowledge on the efficacy of pharmacotherapy of portal hypertension. Furthermore, EUS can provide assessment and prediction of variceal recurrence after endoscopic therapy and assessment of portal hemodynamics such as E-Flow and Doppler study of the azygous and portal veins. Moreover, EUS-guided fine needle aspiration may provide cytologic diagnosis of focal hepatic tumors andanalysis of free abdominal fluid.Using specialized EUSguided needle biopsy,a sample of liver tissue can be obtained to diagnose and evaluate for chronic liver disease.EUS-guided fine needle injection can be used to study portal vein pressure and hemodynamics,and potentially could be used to assist in exact measurement of portal vein pressure and placement of intrahepatic portosystemic shunt. | Ghassan M Hammoud Jamal A Ibdah | 2014 | World Journal of Gastroenterology2014，20，39： | 23 |
| 2 | Liver diseases in pregnancy: Diseases not unique to pregnancy显示文摘Pregnancy is a special clinical state with several normal physiological changes that influence body organs including the liver.Liver disease can cause significant morbidity and mortality in both pregnant women and their infants.Few challenges arise in reaching an accurate diagnosis in light of such physiological changes.Laboratory test results should be carefully interpreted and the knowledge of what normal changes to expect is prudent to avoid clinical misjudgment.Other challenges entail the methods of treatment and their safety for both the mother and the baby.This review summarizes liver diseases that are not unique to pregnancy.We focus on viral hepatitis and its mode of transmission,diagnosis,effect on the pregnancy,the mother,the infant,treatment,and breast-feeding.Autoimmune hepatitis,primary biliary cirrhosis,primary sclerosing cholangitis,Wilson’s disease,Budd Chiari and portal vein thrombosis in pregnancy are also discussed.Pregnancy is rare in patients with cirrhosis because of the metabolic and hormonal changes associated with cirrhosis.Variceal bleeding can happen in up to 38%of cirrhotic pregnant women.Management of portal hypertension during pregnancy is discussed.Pregnancy increases the pathogenicity leading to an increase in the rate of gallstones.We discuss some of the interventions for gallstones in pregnancy if symptoms arise.Finally,we provide an overview of some of the options in managing hepatic adenomas and hepatocellular carcinoma during pregnancy. | Ashraf A Almashhrawi Khulood T Ahmed Rubayat N Rahman Ghassan M Hammoud Jamal A Ibdah | 2013 | World Journal of Gastroenterology2013，19，43： | 17 |
| 3 | Effect of precut sphincterotomy on post-endoscopic retrograde cholangiopancreatography pancreatitis:A systematic review and meta-analysis显示文摘AIM:To conduct a systemic review and meta-analysis to investigate the role of early precut technique.Multiple randomized controlled trails(RCTs)have reported conflicting results of the early precut sphincterotomy.METHODS:MEDLINE/PubMed,EMBASE,Cochrane Central Register of Controlled Trials and Database of Systematic Reviews,and recent abstracts from major conference proceedings were searched(June 2013).Randomized and non-randomized studies comparing early precut technique with prolonged standard methods were included.Pooled estimates of post-endoscopic retrograde cholangiopancreatography(ERCP)pancreatitis(PEP),cannulation and adverse events were analyzed by using odds ratio(OR).Random and fixed effects models were used as appropriate.Publication bias was assessed by funnel plots.Heterogeneity among studies was assessed by calculating I2 measure of inconsistency.RESULTS:Seven randomized and seven non-randomized trials met inclusion criteria.Meta-analysis of RCTs showed a decrease trend for PEP with early precut sphincterotomy but was not statistically significant(OR=0.58;95%CI:0.32-1.05;P=0.07).No heterogeneity was noted among the studies with I2 of 0%.CONCLUSION:Early precut technique for common bile duct cannulation decreases the trend of post-ERCP pancreatitis. | Abhishek Choudhary Jessica Winn Sameer Siddique Murtaza Arif Zainab Arif Ghassan M Hammoud Srinivas R Puli Jamal A Ibdah Matthew L Bechtold | 2014 | World Journal of Gastroenterology2014，20，14： | 13 |
| 4 | Liver diseases in pregnancy: Diseases unique to pregnancy显示文摘Pregnancy is a special clinical state with several normal physiological changes that influence body organs including the liver.Liver disease can cause significant morbidity and mortality in both pregnant women and their infants.This review summarizes liver diseases that are unique to pregnancy.We discuss clinical conditions that are seen only in pregnant women and involve the liver;from Hyperemesis Gravidarum that happens in 1out of 200 pregnancies and Intrahepatic Cholestasis of Pregnancy(0.5%-1.5%prevalence),to the more frequent condition of preeclampsia(10%prevalence)and its severe form;hemolysis,elevated liver enzymes,and a low platelet count syndrome(12%of pregnancies with preeclampsia),to the rare entity of Acute Fatty Liver of Pregnancy(incidence of 1 per 7270 to 13000deliveries).Although pathogeneses behind the development of these aliments are not fully understood,theories have been proposed.Some propose the special physiological changes that accompany pregnancy as a precipitant.Others suggest a constellation of factors including both the mother and her fetus that come together to trigger those unique conditions.Reaching a timely and accurate diagnosis of such conditions can be challenging.The timing of the condition in relation toward which trimester it starts at is a key.Accurate diagnosis can be made using specific clinical findings and blood tests.Some entities have well-defined criteria that help not only in making the diagnosis,but also in classifying the disease according to its severity.Management of these conditions range from simple medical remedies to measures such as immediate termination of the pregnancy.In specific conditions,it is prudent to have expert obstetric and medical specialists teaming up to help improve the outcomes. | Khulood T Ahmed Ashraf A Almashhrawi Rubayat N Rahman Ghassan M Hammoud Jamal A Ibdah | 2013 | World Journal of Gastroenterology2013，19，43： | 10 |
| 5 | Primary hepatocellular carcinoma and metabolic syndrome:An update显示文摘Hepatocellular carcinoma(HCC) is the most common primary liver malignancy. The incidence of hepatocellular carcinoma has increased dramatically by 80% over the past two decades in the United States. Numerous basic science and clinical studies have documented a strong association between hepatocellular carcinoma and the metabolic syndrome. These studies have documented that, in most patients, non-alcoholic fatty liver disease is the hepatic manifestation of the metabolic syndrome, which may progress to hepatocellular carcinoma through the cirrhotic process. However, minority of patients with non-alcoholic fatty liver disease may progress to hepatocellular carcinoma without cirrhosis.This review summarizes the current literature of the link between hepatocellular carcinoma and metabolic syndrome with special emphasis on various components of the metabolic syndrome including risk of association with obesity, diabetes mellitus, hyperlipidemia,and hypertension. Current understanding of pathophysiology, clinical features, treatments, outcomes,and surveillance of hepatocellular carcinoma in the background of metabolic syndrome and non-alcoholic fatty liver disease is reviewed. With the current epidemic of metabolic syndrome, the number of patients with non-alcoholic fatty liver disease is increasing.Subsequently, it is expected that the incidence and prevalence of HCC will also increase. It is very important for the scientific community to shed more light on the pathogenesis of HCC with metabolic syndrome,both with and without cirrhosis. At the same time it is also important to quantify the risk of hepatocellular carcinoma associated with the metabolic syndrome in a prospective setting and develop surveillance recommendations for detection of hepatocellular carcinoma in patients with metabolic syndrome. | Rubayat Rahman Ghassan M Hammoud Ashraf A Al-mashhrawi Khulood T Ahmed Jamal A Ibdah | 2013 | World Journal of Gastrointestinal Oncology2013，5，9： | 8 |
| 6 | Usefulness of endoscopic ultrasound-guided fine needle aspiration in the diagnosis of hepatic, gallbladder and biliary tract Lesions显示文摘Endoscopic ultrasound(EUS)-guided fine needle aspira-tion(FNA) of the liver is a safe procedure in the diag-nosis and staging of hepatobiliary malignancies with a minimal major complication rate. EUS-FNA is useful for liver lesions poorly accessible to other imaging modali-ties of the liver. EUS-guided FNA of biliary neoplasia and malignant biliary stricture is superior to the con-ventional endoscopic brushing and biopsy. | Ghassan M Hammoud Ashraf Almashhrawi Jamal A Ibdah | 2014 | World Journal of Gastrointestinal Oncology2014，6，11： | 7 |
| 7 | Endoscopic assessment and management of early esophageal adenocarcinoma显示文摘Esophageal carcinoma affects more than 450000people worldwide and the incidence is rapidly increasing.In the United States and Europe,esophageal adenocarcinoma has superseded esophageal squamous cell carcinoma in its incidence.Esophageal cancer has a high mortality rates secondary to the late presentation of most patients at advanced stages.Endoscopic screening is recommended for patients with multiple risk factors for cancer in Barrett’s esophagus.These risk factors include chronic gastroesophageal reflux disease,hiatal hernia,advanced age,male sex,white race,cigarette smoking,and obesity.The annual risk of esophageal cancer is approximately 0.25%for patients without dysplasia and 6%for patients with high-grade dysplasia.Twenty percent of all esophageal adenocarcinoma in the United States is early stage with disease confined to the mucosa or submucosa.The significant morbidity and mortality of esophagectomy make endoscopic treatment an attractive option.The American Gastroenterological Association recommends endoscopic eradication therapy for patients with high-grade dysplasia.Endoscopic modalities for treatment of early esophageal adenocarcinoma include endoscopic resection techniques and endoscopic ablative techniques such as radiofrequency ablation,photodynamic therapy and cryoablation.Endoscopic therapy should be precluded to patients with no evidence of lymphovascular invasion.Local tumor recurrence is low after endoscopic therapy and is predicted by poor differentiation of tumor,positive lymph node and submucosal invasion.Surgical resection should be offered to patients with deep submucosal invasion. | Ghassan M Hammoud Hazem Hammad Jamal A Ibdah | 2014 | World Journal of Gastrointestinal Oncology2014，6，8： | 4 |
| 8 | Prognostic value of pre-treatment F-18-FDG PET-CT in patients with hepatocellular carcinoma undergoing radioembolization显示文摘AIM To evaluate the value of pre-treatment 18F-FDG PET/CT in patients with HCC following liver radioembolization.METHODS We identified 34 patients with HCC who underwent an FDG PET/CT scan prior to hepatic radioembolization at our institution between 2009 and 2013. Patients wereseen in clinic one month after radioembolization and then at 2-3 mo intervals. We assessed the influence of FDG tumor uptake on outcomes including local liver control(LLC), distant liver control(DLC), time to distant metastases(DM), progression free survival(PFS) and overall survival(OS).RESULTS The majority of patients were males(n = 25, 74%), and had Child Pugh Class A(n = 31, 91%), with a median age of 68 years(46-84 years). FDG-avid disease was found in 19(56%) patients with SUVmax ranging from 3 to 20. Female patients were more likely to have an FDG-avid HCC(P = 0.02). Median follow up of patients following radioembolization was 12 months(1.2-62.8 mo). FDG-avid disease was associated with a decreased 1 year LLC, DLC, DM and PFS(P < 0.05). Using multivariate analysis, FDG avidity predicted for LLC, DLC, and PFS(all P < 0.05).CONCLUSION In this retrospective study, pre-treatment HCC FDGavidity was found to be associated with worse LLC, DLC, and PFS following radioembolization. Larger studies are needed to validate our initial findings to assess the role of F-18-FDG PET/CT scans as biomarker for patients with HCC following radioembolization. | Yazan Abuodeh Arash O Naghavi Kamran A Ahmed Puja S Venkat Youngchul Kim Bela Kis Junsung Choi Benjamin Biebel Jennifer Sweeney Daniel A Anaya Richard Kim Mokenge Malafa Jessica M Frakes Sarah E Hoffe Ghassan El-Haddad | 2016 | World Journal of Gastroenterology2016，22，47： | 3 |
| 9 | Liver diseases in pregnancy: Liver transplantation in pregnancy显示文摘Pregnancy in patients with advanced liver disease is uncommon as most women with decompensated cirrhosis are infertile and have high rate of anovulation.However,if gestation ensued;it is very challenging and carries high risks for both the mother and the baby such as higher rates of spontaneous abortion,prematurity,pulmonary hypertension,splenic artery aneurysm rupture,postpartum hemorrhage,and a potential for life-threatening variceal hemorrhage and hepatic decompensation.In contrary,with orthotopic liver transplantation,menstruation resumes and most women of childbearing age are able to conceive,give birth and lead a better quality of life.Women with orthotopic liver transplantation seeking pregnancy should be managed carefully by a team consultation with transplant hepatologist,maternal-fetal medicine specialist and other specialists.Pregnant liver transplant recipients need to stay on immunosuppression medication to prevent allograft rejection.Furthermore,these medications need to be monitored carefully and continued throughout pregnancy to avoid potential adverse effects to mother and baby.Thus delaying pregnancy 1 to 2 years after transplantation minimizes fetal exposure to high doses of immunosuppressants.Pregnant female liver transplant patients have a high rate of cesarean delivery likely due to the high rate of prematurity in this population.Recent reports suggest that with close monitoring and multidisciplinary team approach,most female liver transplant recipient of childbearing age will lead a successful pregnancy. | Ghassan M Hammoud Ashraf A Almashhrawi Khulood T Ahmed Rubayat Rahman Jamal A Ibdah | 2013 | World Journal of Gastroenterology2013，19，43： | 3 |
| 10 | Potential role of killer immunoglobulin receptor genes among individuals vaccinated against hepatitis B virus in Lebanon显示文摘AIM To explore the role of killer immunoglobulin receptor(KIR) genes in responsiveness or non-responsiveness to vaccination against hepatitis B virus.METHODS We recruited 101 voluntary participants between March 2010 and December 2011. Sera samples from vaccinated and non-vaccinated participants were tested for the presence of anti-HBs antibodies as a measure of protection against hepatitis B, hepatitis B surface antigen and hepatitis B core antibody as indicators ofinfection by enzyme-linked immunosorbent assay. KIR gene frequencies were determined by polymerase chain reaction.RESULTS Sera samples from 99 participants were tested for the levels of anti-HBs as an indicator of protection(≥ 10 mI U/ml) following vaccination as defined by the World Health Organization international reference standard. Among the vaccinated participants, 47%(35/74) had anti-HBs titers above 100 mI U/ml, 22%(16/74) had antiHBs ranging between 10-100 mI U/ml, and 20%(15/74) had values of less than 10 mI U/ml. We report the lack of significant association between the number of vaccine dosages and the titer of antibodies among our vaccinated participants. The inhibitory KIR2Dl1, KIR2Dl4, KIR3Dl1, KIR3Dl2, and KIR3 Dl were detected in more than 95%, whereas KIR2Dl2, KIR2Dl3, KIR2Dl5(KR2Dl5A and KIR2Dl5B) were expressed in 56%, 84% and 42%(25% and 29%) of participants, respectively. The observed frequency of the activating KIR genes ranged between 35% and 55% except for KIR2DS4, detected in 95% of the study participants(40.6% 2DS4*001/002; 82.2% 2DS4*003/007). KIR2DP1 pseudogene was detected in 99% of our participants, whereas KIR3DP*001/02/04 and KIR3DP1*003 had frequencies of 17% and 100%, respectively. No association between the frequency of KIR genes and anti-HBs antibodies was detected. When we compared the frequency of KIR genes between vaccinated individuals with protective antibodies titers and those who lost their protective antibody levels, we did not detect a significant difference. KIR2Dl5 B was significantly different among different groups of vaccinated participants(group Ⅰ > 100 mI U/ml, group Ⅱ 10-100 mI U/ml, group Ⅲ < 10 mI U/ml and group Ⅳ with undetectable levels of protective antibodies). CONCLUSION To our knowledge, this is the first study screening for the possible role of KIR genes among individuals vaccinated against hepatitis B virus(HBV). Our results can be used to design larger studies to better understand the role of KIR genes in protection against or susceptibility to HBV post vaccination. | Nada M Melhem Rami A Mahfouz Khalil Kreidieh Rabab Abdul-Khalik Rolla El-Khatib Reem Talhouk Umayya Musharrafieh Ghassan Hamadeh | 2016 | World Journal of Hepatology2016，8，29： | 2 |
| 11 | Current management of advanced hepatocellular carcinoma显示文摘 | Ghassan K Alfa A David F | 2008 | Gastrointest Cancer Res2008，2，： | 1 |
| 12 | Moving beyond the fourth dimension with an IFC-based single project database 显示文摘 | Ali M T Ghassan A | 2005 | Automation in Cxmstruction2005，14，1： | 1 |
| 13 | Feasibility assessment of vision - based surface roughness parameters acquisition for different types of machined specimens显示文摘 | Al- kindi Ghassan A Shirinzadeh Bijan | 2009 | Image and Vision Computing2009，27，： | 1 |
| 14 | Behavior of masonry infilled nonductile reinforced concrete frames显示文摘 | Ghassan A C Mohsen L Steve S | 2002 | ACI Structure Journal2002，136，4： | 1 |
| 15 | Synthesis,structure and antiproliferative activity of selenophenfurin,an inosine 5-monophosphate dehydrogenase inhibitor anologue of selenazofurin显示文摘 | Palmarisa F Loredana C Ghassan A S | | 0，，： | 1 |
| 16 | Analysis of the methods for determining the settling characteristics of sewage and stormwater solids显示文摘 | EMMANUELLEL A GHASSAN C JEANL B | 1998 | Water Science Technology1998，37，1： | 1 |
| 17 | An evaluation of surface roughness parameters measurement using vision-based data显示文摘 | Ghassan A A K Shirinzadeh B J | 2007 | International Journal of Machine Tools &Manufacture2007，47，： | 1 |
| 18 | Impact of clinical skill lab on students' learning in preclinical years显示文摘 | Ali L Nisar S Ghassan A | 2011 | J Ayub Med Coll Abbottahad2011，23，4： | 1 |
| 19 | Safety of tradi-tional arab herbal medicine显示文摘 | BASHAR S HASSAN A GHASSAN A H | 2006 | Evid-Based Compl Alt2006，3，43： | 1 |
| 20 | Insulin-dependent diabetes mellitus in children : Familial and clinical patterns in Riyadh 显示文摘 | Salman H Abanamy A Ghassan B | 1991 | Ann Saudi Med1991，11，3： | 1 |
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