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8篇 您的检索式:作者名="Petr Protiva"
    题名 作者 年代 出处 被引量
1Re- liability of the Roussel Uclaf Causality Assessment Method for assessing causality in drug -induced liver injury显示文摘JAMES ROCHON PETR PROTIVA LEONARD B 2008Hep- atology2008,48,4:1
2Aberrant crypt foci as predictors of colorectal neoplasia on repeat colonoscopy显示文摘Joseph C. Anderson Helen Swede Tarun Rustagi Petr Protiva Devon Pleau Bruce M. Brenner Thiruchandurai V. Rajan Christopher D. Heinen Joel B. Levine Daniel W. Rosenberg 2012Cancer Causes & Control2012,,2:1
3Acute Hepatitis E Infection Accounts for Some Cases of Suspected Drug-Induced Liver Injury显示文摘Timothy J. Davern Naga Chalasani Robert J. Fontana Paul H. Hayashi Petr Protiva David E. Kleiner Ronald E. Engle Hanh Nguyen Suzanne U. Emerson Robert H. Purcell Hans L. Tillmann Jiezhun Gu Jose Serrano Jay H. Hoofnagle 2011Gastroenterology2011,,5:1
4Risk Factors for Sessile Serrated Adenomas显示文摘Joseph Carl Anderson Priya Rangasamy Tarun Rustagi Matthew Myers Melinda Sanders Haleh Vaziri George Wu John W. Birk Petr Protiva 2011Journal of Clinical Gastroenterology2011,,8:1
5Acute Hepatitis E Infection Accounts for Some Cases of Suspected Drug-Induced Liver Injury显示文摘Timothy J. Davern Naga Chalasani Robert J. Fontana Paul H. Hayashi Petr Protiva David E. Kleiner Ronald E. Engle Hanh Nguyen Suzanne U. Emerson Robert H. Purcell Hans L. Tillmann Jiezhun Gu Jose Serrano Jay H. Hoofnagle 2011Gastroenterology2011,,5:1
6Sessile serrated adenomas in the proximal colon are likely to be flat,large and occur in smokers显示文摘AIM:To examine the epidemiology and the morphology of the proximal sessile serrated adenomas(SSAs).METHODS:We conducted a retrospective study to identify patients with SSAs using a university-based hospital pathology database query from January 2007to April 2011.Data collected included:age,gender,ethnicity,body mass index,diabetes,smoking,family history of colorectal cancer,aspirin,and statin use.We collected data on morphology of SSAs including site(proximal or distal),size,and endoscopic appearance(flat or protuberant).We also compared proximal SSAs to proximal tubular adenomas detected during same time period.RESULTS:One hundred and twenty patients with SSAs were identified:61%were distal and 39%were proximal SSAs.Proximal SSAs were more likely to be flat than distal(100%vs 78%respectively;P=0.0001).Proximal SSAs were more likely to occur in smokers(OR=2.63;95%CI:1.17-5.90;P=0.02)and in patients with family history of colorectal cancer(OR=4.72;95%CI:1.43-15.55;P=0.01)compared to distal.Proximal SSAs were statistically more likely to be≥6 mm in size(OR=2.94;P=0.008),and also more likely to be large(≥1 cm)(OR=4.55;P=0.0005)compared to the distal lesions.Smokers were more likely to have proximal(P=0.02),flat(P=0.01)and large(P=0.007)SSAs compared to non-smokers.Compared to proximal tubular adenomas,proximal SSAs were more likely to be large and occur in smokers.CONCLUSION:Proximal SSAs which accounted for two-fifths of all SSAs were more likely to present as flat lesions,larger SSAs,and were more likely to occur in smokers and in patients with family history of colorectal cancer.Our data has implications for colorectal cancer screening.Tarun Rustagi Priya Rangasamy Matthew Myers Melinda Sanders Haleh Vaziri George Y Wu John W Birk Petr Protiva Joseph C Anderson 2013World Journal of Gastroenterology2013,19,32:1
7Risk Factors for Sessile Serrated Adenomas显示文摘Joseph Carl Anderson Priya Rangasamy Tarun Rustagi Matthew Myers Melinda Sanders Haleh Vaziri George Wu John W. Birk Petr Protiva 2011Journal of Clinical Gastroenterology2011,,8:1
8Clinical and socioeconomic determinants of survival in biliary tract adenocarcinomas显示文摘BACKGROUND Despite advances in detection and treatments,biliary tract cancers continue to have poor survival outcomes.Currently,there is limited data investigating the significance of socioeconomic status,race/ethnicity,and environmental factors in biliary tract cancer survival.Data from the Surveillance,Epidemiology,and End Results database for biliary and gallbladder adenocarcinomas were extracted from 1975 to 2016.Socioe-conomic data included smoking,poverty level,education,adjusted household income,and percentage of foreign-born persons and urban population.Survival was calculated with Cox proportional hazards models for death in the 5-year period following diagnosis.RESULTS Our study included 15883 gallbladder,11466 intrahepatic biliary,12869 extrahepatic biliary and 7268 ampulla of Vater adenocarcinoma cases.When analyzing county-specific demographics,patients from counties with higher incomes were associated with higher survival rates[hazard ratio(HR)=0.97,P<0.05].Similarly,counties with a higher percentage of patients with a college level education and counties with a higher urban population had higher 5-year survival rates(HR=0.96,P=0.002 and HR=0.97,P=0.004,respectively).CONCLUSION Worse survival outcomes were observed in lower income counties while higher income and education level were associated with higher 5-year overall survival among gallbladder and biliary malignancies.Laura Sahyoun Kay Chen Cynthia Tsay George Chen Petr Protiva 2024World Journal of Gastrointestinal Oncology2024,16,4:0
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