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| 1 | Hepatic decompensation/serious adverse events in post-liver transplantation recipients on sofosbuvir for recurrent hepatitis C virus显示文摘AIM: To determine the safety profile of new hepatitis C virus(HCV) treatments in liver transplant(LT) recipients with recurrent HCV infection.METHODS: Forty-two patients were identified with recurrent HCV infection that underwent LT at least 12 mo prior to initiating treatment with a Sofosbuvir-based regimen during December 2013-June 2014. Cases were patients who experienced hepatic decompensation and/or serious adverse events(SAE) during or within one month of completing treatment. Controls had no evidence of hepatic decompensation and/or SAE. HIVinfected patients were excluded. Cumulative incidence of decompensation/SAE was calculated using the Kaplan Meier method. Exact logistic regression analysis was used to identify factors associated with the composite outcome. RESULTS: Median age of the 42 patients was 60 years [Interquartile Range(IQR): 56-65 years], 33%(14/42) were female, 21%(9/42) were Hispanic, and 9%(4/42) were Black. The median time from transplant to treatment initiation was 5.4 years(IQR: 2.1-8.8 years). Thirteen patients experienced one or more episodes of hepatic decompensation and/or SAE. Anemia requiring transfusion, the most common event, occurred in 62%(8/13) patients, while 54%(7/13) decompensated. The cumulative incidence of hepatic decompensation/SAE was 31%(95%CI: 16%-41%). Risk factors for decompensation/SAE included lower pre-treatment hemoglobin(OR = 0.61 per g/d L, 95%CI: 0.40-0.88, P < 0.01), estimated glomerular filtration rate(OR = 0.95 per m L/min per 1.73 m^2, 95%CI: 0.90-0.99, P = 0.01), and higher baseline serum total bilirubin(OR = 2.43 per mg/d L, 95%CI: 1.17-8.65, P < 0.01). The sustained virological response rate for the cohort of 42 patients was 45%, while it was 31% for cases.CONCLUSION: Sofosbuvir/ribavirin will continue to be used in the post-transplant population, including those with HCV genotypes 2 and 3. Management of anemia remains an important clinical challenge. | Neal Patel Kian Bichoupan Lawrence Ku Rachana Yalamanchili Alyson Harty Donald Gardenier Michel Ng David Motamed Viktoriya Khaitova Nancy Bach Charissa Chang Priya Grewal Meena Bansal Ritu Agarwal Lawrence Liu Gene Im Jennifer Leong Leona Kim-Schluger Joseph Odin Jawad Ahmad Scott Friedman Douglas Dieterich Thomas Schiano Ponni Perumalswami Andrea Branch | 2016 | World Journal of Gastroenterology2016，22，9： | 1 |
| 2 | Improved diagnostic yield of endoscopic ultrasound-fine needle biopsy with histology specimen processing显示文摘BACKGROUND Endoscopic ultrasound-guided fine needle biopsy(EUS-FNB)has emerged as a safe,efficacious alternative to fine needle aspiration(FNA)for tissue acquisition.EUS-FNB is reported to have higher diagnostic yield while preserving specimen tissue architecture.However,data on the optimal method of EUS-FNB specimen processing is limited.AIM To evaluate EUS-FNB with specimen processing as histology vs EUS-FNA cytology with regards to diagnostic yield and specimen adequacy.METHODS All EUS-FNA and EUS-FNB performed at our institution from July 1,2016,to January 31,2018,were retrospectively analyzed.We collected data on demographics,EUS findings,pathology,clinical outcomes,and procedural complications in two periods,July 2016 through March 2017,and April 2017 through January 2018,with predominant use of FNB in the second data collection time period.FNA specimens were processed as cytology with cell block technique and reviewed by a cytopathologist;FNB specimens were fixed in formalin,processed for histopathologic analysis and immunohistochemical staining,and reviewed by an anatomic pathologist.Final diagnosis was based on surgical pathology when available,repeat biopsy or imaging,and length of clinical follow up.RESULTS One hundred six EUS-FNA and EUS-FNB procedures were performed.FNA alone was performed in 17 patients;in 56 patients,FNB alone was done;and in 33 patients,both FNA and FNB were performed.For all indications,diagnostic yield was 47.1%(8/17)in FNA alone cases,85.7%(48/56)in FNB alone cases,and 84.8%(28/33)in cases where both FNA and FNB were performed(P=0.0039).Specimens were adequate for pathologic evaluation in 52.9%(9/17)of FNA alone cases,in 89.3%(50/56)of FNB alone cases,and 84.8%(28/33)in cases where FNA with FNB were performed(P=0.0049).Tissue could not be aspirated for cytology in 10.0%(5/50)of cases where FNA was done,while in 3.4%(3/89)of FNB cases,tissue could not be obtained for histology.In patients who underwent FNA with FNB,there was a statistically significant difference in both specimen adequacy(P=0.0455)and diagnostic yield(P=0.0455)between the FNA and FNB specimens(processed correspondingly as cytology or histology).CONCLUSION EUS-FNB has a higher diagnostic yield and specimen adequacy than EUS-FNA.In our experience,specimen processing as histology may have contributed to the overall increased diagnostic yield of EUS-FNB. | Lawrence Ku Mohammad A Shahshahan Linda A Hou Viktor E Eysselein Sofiya Reicher | 2020 | World Journal of Gastrointestinal Endoscopy2020，12，8： | 1 |
| 3 | Phase II trial of sequential paclitaxel and 1?h infusion of bryostatin-1 in patients with advanced esophageal cancer显示文摘 | Geoffrey Y. Ku David H. Ilson Lawrence H. Schwartz Marinela Capanu Eileen O'Reilly Manish A. Shah David P. Kelsen Gary K. Schwartz | 2008 | Cancer Chemotherapy and Pharmacology2008，，5： | 1 |
| 4 | Evaluating the risk of adverse events with interventional endoscopic retrograde cholangiopancreatography and endoscopic ultrasound procedures in cirrhotic patients显示文摘BACKGROUND Hepatic cirrhosis is associated with greater adverse event rates following surgical procedures and is thought to have a higher risk of complications with interventional procedures in general.However,these same patients often require interventional gastrointestinal procedures such as endoscopic retrograde cholangiopancreatography(ERCP)and endoscopic ultrasound(EUS).While studies examining this scenario exist,the overall body of evidence for adverse event rates associated with ERCP/EUS procedures is more limited.We sought add to the literature by examining the incidence of adverse events after ERCP/EUS procedures in our safety-net hospital population with the hypothesis that severity of cirrhosis correlates with higher adverse event rates.AIM To examine whether increasing severity of cirrhosis is associated with greater incidence of adverse events after interventional ERCP/EUS procedures.METHODS We performed a retrospective study of patients diagnosed with hepatic cirrhosis who underwent ERCP and/or EUS-guided fine needle aspirations/fine needle biopsies from January 1,2016 to March 14,2019 at our safety net hospital.We recorded Child-Pugh and Model for End-stage Liver Disease(MELD-Na)scores at time of procedure,interventions completed,and 30-day post-procedural adverse events.Statistical analyses were done to assess whether Child-Pugh class and MELD-Na score were associated with greater adverse event rates and whether advanced techniques(single-operator cholangioscopy,electrohydraulic lithotripsy/laser lithotripsy,or needle-knife techniques)were associated with higher complication rates.RESULTS 77 procedures performed on 36 patients were included.The study population consisted primarily of middle-aged Hispanic males.30-d procedure-related adverse events included gastrointestinal bleeding(7.8%),infection(6.5%),and bile leak(2%).The effect of Child-Pugh class C vs class A and B significantly predicted adverse events(β=0.55,P<0.01).MELD-Na scores also significantly predicted adverse events(β=0.037,P<0.01).Presence of advanced techniques was not associated with higher adverse events(P>0.05).When MELD-Na scores were added as predictors with the effect of Child-Pugh class C,logistic regression showed MELD-Na scores were a significant predictor of adverse events(P<0.01).The findings held after controlling for age,gender,ethnicity and repeat cases.CONCLUSION Increasing cirrhosis severity predicted adverse events while the presence of advanced techniques did not.MELD-Na score may be more useful in predicting adverse events than Child-Pugh class. | Timothy Yoo Raisa Epistola Jordan Epistola Lawrence Ku Michael W Fleischman Sofiya Reicher Viktor E Eysselein Linda A Hou | 2019 | World Journal of Gastrointestinal Endoscopy2019，11，11： | 1 |
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