Research Topics
| G C NguyenSummaryAffiliation: University of Toronto Country: Canada Publications
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Detail Information
Publications
Increased risk of vancomycin-resistant enterococcus (VRE) infection among patients hospitalized for inflammatory bowel disease in the United StatesGeoffrey C Nguyen
Mount Sinai Hospital IBD Centre, University of Toronto Faculty of Medicine, Toronto, ON, Canada
Inflamm Bowel Dis 17:1338-42. 2011..S. hospitals. Patients with inflammatory bowel disease (IBD) frequently require hospitalization and therefore may be at increased risk of nosocomial infections...
Tip of the iceberg? The emergence of antibiotic-resistant organisms in the IBD populationGeoffrey C Nguyen
Mount Sinai Hospital Centre for Inflammatory Bowel Disease, University of Toronto, Toronto, Canada
Gut Microbes 3:434-6. 2012..This population is at increased risk of infection and its associated mortality. These findings underscore the need for infection control measures in the hospital setting...- 5-aminosalicylic acid is not protective against colorectal cancer in inflammatory bowel disease: a meta-analysis of non-referral populationsGeoffrey C Nguyen
Mount Sinai Hospital Centre for Inflammatory Bowel Disease, University of Toronto, Toronto, Ontario, Canada
Am J Gastroenterol 107:1298-304; quiz 1297, 1305. 2012..However, more recent population-based studies suggest no protective association. We conducted a systematic review that focused on non-referral studies to reassess the role of 5-ASA for this indication... - The impact of cirrhosis and portal hypertension on mortality following colorectal surgery: a nationwide, population-based studyGeoffrey C Nguyen
Mount Sinai Hospital Division of Gastroenterology, University of Toronto, Toronto, Ontario, Canada
Dis Colon Rectum 52:1367-74. 2009..Population-based data on outcomes associated with colorectal procedures in cirrhotic patients are sparse. We sought to assess the impact of liver cirrhosis and portal hypertension on mortality following colorectal surgery... - Outcomes of obstetric hospitalizations among women with inflammatory bowel disease in the United StatesGeoffrey C Nguyen
Mount Sinai IBD Centre, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
Clin Gastroenterol Hepatol 7:329-34. 2009..We estimated the occurrence of pregnancies in women with CD and UC in the United States and compared outcomes between these patients and the non-inflammatory bowel disease (IBD) obstetric population... - Increased prevalence of and associated mortality with methicillin-resistant Staphylococcus aureus among hospitalized IBD patientsGeoffrey C Nguyen
Mount Sinai Hospital IBD Centre, Department of Medicine, University of Toronto Faculty of Medicine, Toronto, Ontario, Canada
Am J Gastroenterol 105:371-7. 2010..Methicillin-resistant Staphylococcus aureus (MRSA) infection has become increasingly prevalent in US hospitals, and the impact of MRSA on hospitalized inflammatory bowel disease (IBD) patients is unknown... - Hospital volume as a predictor for undergoing cholecystectomy after admission for acute biliary pancreatitisGeoffrey C Nguyen
Division of Gastroenterology, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
Pancreas 39:e42-7. 2010..We explored whether admission volumes for cholecystectomy (CCY) and pancreatitis were associated with receiving CCY after hospitalization for acute biliary pancreatitis (ABP)... 
Epidemiological trends and geographic variation in hospital admissions for diverticulitis in the United StatesGeoffrey C Nguyen
Mount Sinai Hospital Division of Gastroenterology, University of Toronto Faculty of Medicine, Toronto, Ontario M5G 1X5, Canada
World J Gastroenterol 17:1600-5. 2011..To characterize the increasing incidence and geographic variation of acute diverticulitis...- Racial disparities in utilization of specialist care and medications in inflammatory bowel diseaseGeoffrey C Nguyen
Mount Sinai Hospital IBD Centre, University of Toronto, Ontario, Canada
Am J Gastroenterol 105:2202-8. 2010..Optimization of medical therapy and specialist care for inflammatory bowel disease (IBD) may reduce morbidity. We sought to characterize racial disparities in utilization of healthcare and medical therapy for IBD... - Outcomes of patients with Crohn's disease improved from 1988 to 2008 and were associated with increased specialist careGeoffrey C Nguyen
Mount Sinai Hospital IBD Centre, University of Toronto, Toronto, Ontario, Canada
Gastroenterology 141:90-7. 2011..We investigated factors that affect long-term outcomes in Crohn's disease (CD)... - Racial disparities in cholecystectomy rates during hospitalizations for acute gallstone pancreatitis: a national surveyGeoffrey C Nguyen
Mount Sinai Hospital, University of Toronto Faculty of Medicine, Toronto, Ontario, Canada
Am J Gastroenterol 103:2301-7. 2008..Our objectives were to determine nationwide rates of adherence to these guidelines in the United States and whether this varied with race and ethnicity... - Race is a predictor of in-hospital mortality after cholecystectomy, especially in those with portal hypertensionGeoffrey C Nguyen
Division of Gastroenterology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA
Clin Gastroenterol Hepatol 6:1146-54. 2008..In this study, we characterized racial disparities in in-hospital mortality after cholecystectomy among patients with and without decompensated cirrhosis... - Nationwide increase in hospitalizations and hepatitis C among inpatients with cirrhosis and sequelae of portal hypertensionGeoffrey C Nguyen
Division of Gastroenterology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
Clin Gastroenterol Hepatol 5:1092-9. 2007..Our objectives were to characterize longitudinal trends in incidence, characteristics, and outcomes of patients hospitalized with complications of portal hypertension using a nationally representative data set... - Impact of Clostridium difficile colitis on 5-year health outcomes in patients with ulcerative colitisS K Murthy
Mount Sinai Hospital IBD Centre, Department of Medicine, University of Toronto, Toronto, ON, Canada
Aliment Pharmacol Ther 36:1032-9. 2012..We sought to determine whether CDC also impacts long-term risks of adverse health events in this population... - Protein-calorie malnutrition as a prognostic indicator of mortality among patients hospitalized with cirrhosis and portal hypertensionJustina Sam
Division of Gastroenterology, Mount Sinai Hospital, University of Toronto, 600 University Avenue, Toronto, Ontario, Canada
Liver Int 29:1396-402. 2009..We conducted a nationwide analysis of the prevalence of protein-calorie malnutrition (PCM) in patients with cirrhosis and portal hypertension (PHTN) and to determine its mortality and economic impact... - The utilization of parenteral nutrition during the in-patient management of inflammatory bowel disease in the United States: a national surveyG C Nguyen
Mount Sinai Hospital IBD Centre, University of Toronto School of Medicine, Toronto, ON, Canada
Aliment Pharmacol Ther 26:1499-507. 2007..Parenteral nutrition has a limited role in the in-patient management of inflammatory bowel disease... - Racial disparities in the management of hospitalized patients with cirrhosis and complications of portal hypertension: a national studyGeoffrey C Nguyen
Division of Gastroenterology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
Hepatology 45:1282-9. 2007..Further studies are warranted to elucidate the mechanisms of these exploratory findings... - Rising prevalence of venous thromboembolism and its impact on mortality among hospitalized inflammatory bowel disease patientsGeoffrey C Nguyen
Mount Sinai Hospital IBD Centre, University of Toronto School of Medicine, Toronto, Ontario, Canada
Am J Gastroenterol 103:2272-80. 2008..We sought to determine nationwide, population-based trends in rates of venous thromboembolism (VTE) among hospitalized inflammatory bowel disease (IBD) patients in the United States and to determine its mortality and economic impact... - Characterisation of complementary and alternative medicine use and its impact on medication adherence in inflammatory bowel diseaseA V Weizman
Division of Gastroenterology, Department of Medicine, Mount Sinai Hospital, Toronto, ON, Canada
Aliment Pharmacol Ther 35:342-9. 2012..Complementary and alternative medicine (CAM) use among inflammatory bowel disease (IBD) patients is common. We characterised CAM utilisation and assessed its impact on medical adherence in the IBD population... - Racial and geographic variations in colectomy rates among hospitalized ulcerative colitis patientsGeoffrey C Nguyen
Harvey M and Lyn P Meyerhoff Inflammatory Bowel Disease Center, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, USA
Clin Gastroenterol Hepatol 4:1507-1513. 2006..Racial disparities have been described for a wide spectrum of surgical procedures. The goal of this study was to characterize racial and geographic differences in colectomy rates among hospitalized ulcerative colitis (UC) patients... - Inflammatory bowel disease characteristics among African Americans, Hispanics, and non-Hispanic Whites: characterization of a large North American cohortGeoffrey C Nguyen
Harvey M. and Lyn P. Meyerhoff Inflammatory Bowel Disease Center, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
Am J Gastroenterol 101:1012-23. 2006..These findings underscore the need for further studies in minority populations... - A national survey of the prevalence and impact of Clostridium difficile infection among hospitalized inflammatory bowel disease patientsGeoffrey C Nguyen
Mount Sinai Hospital IBD Centre, University of Toronto School of Medicine, Toronto, Ontario, Canada
Am J Gastroenterol 103:1443-50. 2008..difficile) infection among hospitalized inflammatory bowel disease (IBD) patients in the United States, and to determine its mortality and economic impact... - Nationwide prevalence and prognostic significance of clinically diagnosable protein-calorie malnutrition in hospitalized inflammatory bowel disease patientsGeoffrey C Nguyen
Mount Sinai Hospital IBD Centre, University of Toronto School of Medicine, Toronto, Ontario, Canada
Inflamm Bowel Dis 14:1105-11. 2008..We sought to determine the prevalence of clinically diagnosable malnutrition among those hospitalized for IBD throughout the United States and whether this malnutrition influenced health outcomes... - Hepatitis C is a predictor of acute liver injury among hospitalizations for acetaminophen overdose in the United States: a nationwide analysisGeoffrey C Nguyen
Division of Gastroenterology, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
Hepatology 48:1336-41. 2008..0001). CONCLUSION: Our retrospective analysis suggests that patients with HCV may be at increased risk of ALI following AO. These findings warrant further confirmation in prospective studies... - Volumes of liver transplant and partial hepatectomy procedures are independently associated with lower postoperative mortality following resection for hepatocellular carcinomaGeoffrey C Nguyen
Mount Sinai Hospital, Division of Gastroenterology, University of Toronto Faculty of Medicine, Toronto, Ontario, Canada
Liver Transpl 15:776-81. 2009.... - Patient trust-in-physician and race are predictors of adherence to medical management in inflammatory bowel diseaseGeoffrey C Nguyen
Mount Sinai Hospital IBD Centre, University of Toronto Faculty of Medicine, Toronto, Ontario, Canada
Inflamm Bowel Dis 15:1233-9. 2009..Adherence plays an important role in the therapeutic effectiveness of medical therapy in inflammatory bowel disease (IBD). We assessed whether trust-in-physician and Black race were predictors of adherence... - Colon cancer screening in 2010: an up-dateA V Weizman
Division of Gastroenterology, Mount Sinai Hospital, University of Toronto, Toronto, ON, Canada
Minerva Gastroenterol Dietol 56:181-8. 2010..The current use of these tests in population-based screening programs and the most recent screening guidelines from the largest advisory groups in North America and Europe will be discussed... - Racial and geographic disparities in the use of parenteral nutrition among inflammatory bowel disease inpatients diagnosed with malnutrition in the United StatesGeoffrey C Nguyen
Mount Sinai Hospital IBD Centre, University of Toronto, Toronto, Ontario, Canada
JPEN J Parenter Enteral Nutr 33:563-8. 2009..The objectives of this study are to determine whether disparities also exist for the use of parenteral nutrition (PN) in inflammatory bowel disease (IBD)... - Nationwide patterns of hospitalizations to centers with high volume of admissions for inflammatory bowel disease and their impact on mortalityGeoffrey C Nguyen
Mount Sinai Hospital IBD Centre, University of Toronto Faculty of Medicine, Toronto, Ontario, Canada
Inflamm Bowel Dis 14:1688-94. 2008..We sought to determine patterns of hospitalizations for inflammatory bowel disease (IBD) to centers that regularly admit high volumes of IBD patients and whether they impacted health outcomes... - Hospitalizations for inflammatory bowel disease: profile of the uninsured in the United StatesGeoffrey C Nguyen
Mount Sinai Hospital IBD Centre, University of Toronto, Toronto, Ontario, Canada
Inflamm Bowel Dis 15:726-33. 2009..Inflammatory bowel disease (IBD) patients may be at increased risk for having no health insurance. Our objectives were to assess the prevalence of hospitalized IBD patients without insurance in the US and to characterize predictive factors... - Outcomes of patients with cirrhosis undergoing non-hepatic surgery: risk assessment and managementFarida Millwala
Hepatology Section, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
World J Gastroenterol 13:4056-63. 2007.... - Race and health insurance are predictors of hospitalized Crohn's disease patients undergoing bowel resectionGeoffrey C Nguyen
Harvey M and Lyn P Meyerhoff Inflammatory Bowel Disease Center, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
Inflamm Bowel Dis 13:1408-16. 2007..Crohn's disease (CD) is a chronically relapsing disorder that leads to significant morbidity and, in most cases, surgery. Our objective was to characterize health disparities in CD-related bowel resection among hospitalized CD patients... - Liver cirrhosis is associated with venous thromboembolism among hospitalized patients in a nationwide US studyHarry Wu
Mount Sinai Hospital Division of Gastroenterology, University of Toronto Faculty of Medicine, Toronto, Ontario, Canada
Clin Gastroenterol Hepatol 8:800-5. 2010..Studies on the impact of liver disease on venous thromboembolism (VTE) have produced conflicting results. We assessed the risk of VTE in patients with compensated or decompensated cirrhosis... - Community-based health preferences for proctocolectomy: a race comparisonGeoffrey C Nguyen
Harvey M and Lyn P Meyerhoff Inflammatory Bowel Disease Center, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
Dig Dis Sci 53:741-6. 2008..32) was also similar to that in whites (0.54 +/- 0.32). We conclude that patient preferences for proctocolectomy are unlikely to be a dominant contributing factor to racial disparities in total proctocolectomy for diseases of the colon... - Rising hospitalization rates for inflammatory bowel disease in the United States between 1998 and 2004Geoffrey C Nguyen
Harvey M and Lyn P Meyerhoff Inflammatory Bowel Disease Center, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
Inflamm Bowel Dis 13:1529-35. 2007..We sought to determine whether nationwide rates of inflammatory bowel disease (IBD) hospitalizations have increased in response to temporal trends in prevalence... - NOD2 mutations and anti-Saccharomyces cerevisiae antibodies are risk factors for Crohn's disease in African AmericansThemistocles Dassopoulos
Gastroenterology Division, Department of Medicine, The Harvey M and Lyn P Meyerhoff Inflammatory Bowel Disease Center, Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, USA
Am J Gastroenterol 105:378-86. 2010..NOD2 mutations and anti-Saccharomyces cerevisiae antibodies (ASCAs) are established risk factors of Crohn's disease (CD) in whites but have not been assessed in African-American (AA) adults with CD... - Impact of cirrhosis and liver transplant on maternal health during labor and deliverySanjay K Murthy
Division of Gastroenterology, Mount Sinai Hospital, University of Toronto, Toronto, Canada
Clin Gastroenterol Hepatol 7:1367-72, 1372.e1. 2009..The impact of cirrhosis or prior liver transplant on maternal health during pregnancy has not been studied. We sought to characterize outcomes during labor and delivery among pregnant women with these 2 conditions... - Survival after liver transplantation for hepatocellular carcinoma in the model for end-stage liver disease and pre-model for end-stage liver disease eras and the independent impact of hepatitis C virusPaul J Thuluvath
Institute for Digestive Health and Liver Diseases, Mercy Medical Center, Baltimore, MD 21229, USA
Liver Transpl 15:754-62. 2009..HCV patients have a lower survival rate than non-HCV patients, regardless of their HCC status, but HCV has no additional negative impact on survival in patients with HCC... - Medical decision analysis for the management of unifocal, flat, low-grade dysplasia in ulcerative colitisGeoffrey C Nguyen
Mount Sinai Hospital IBD Centre, University of Toronto, Toronto, Ontario, Canada
Gastrointest Endosc 69:1299-310. 2009..Management of unifocal, flat, low-grade dysplasia (LGD) in ulcerative colitis (UC) remains controversial... - Phenotypic and genotypic characteristics of inflammatory bowel disease in French Canadians: comparison with a large North American repositoryMamatha Bhat
Division of Gastroenterology, Royal Victoria Hospital, McGill University, Montreal, Quebec, Canada
Am J Gastroenterol 104:2233-40. 2009..The aim of this study was to characterize the IBD phenotype in French Canadians, the most prominent founder population in North America... - Quality and publication success of abstracts of randomized clinical trials in inflammatory bowel disease presented at Digestive Disease WeekDan Kottachchi
Mount Sinai Hospital IBD Centre, University of Toronto, Toronto, Ontario, Canada
Inflamm Bowel Dis 16:993-8. 2010..The incorporation of abstracts from scientific meetings into systematic reviews and practice guidelines may reduce publication bias and delays in implementing therapeutic interventions...