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https://www.readbyqxmd.com/read/27917363/future-therapy-for-hepatitis-b-virus-role-of-immunomodulators
#1
REVIEW
Edward A Pham, Ryan B Perumpail, Benjamin J Fram, Jeffrey S Glenn, Aijaz Ahmed, Robert G Gish
Although currently available therapies for chronic hepatitis B virus infection can suppress viremia and provide long-term benefits for patients, they do not lead to a functional cure for most patients. Advances in our understanding of the virus-host interaction and the recent remarkable success of immunotherapy in cancer offer new and promising strategies for developing immune modulators that may become important components of a total therapeutic approach to hepatitis B, some of which are now in clinical development...
2016: Current Hepatology Reports
https://www.readbyqxmd.com/read/27852658/indications-for-antiviral-therapy-for-chronic-hepatitis-b-in-pregnant-mothers
#2
Eric Raeyoon Yoo, Ryan Babu Perumpail, George Cholankeril, Aijaz Ahmed
The use of antiviral therapy for chronic hepatitis B virus (HBV) infection in the setting of pregnancy needs to be individualised based on limited data. We report a case of a 34-year-old Korean-American woman with a history of pregnancy with emergent caesarean section due to prolonged labour in the setting of HBV e-antigen (HBeAg) positive chronic HBV with a pretreatment baseline HBV DNA level of 110000 000 million copies per mL. Her first delivery was complicated by mother-to-child transmission (MTCT) of HBV infection to her daughter despite standard active and passive immunoprophylaxis...
November 15, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27847658/direct-acting-antivirals-in-patients-with-chronic-hepatitis-c-and-down-syndrome
#3
Eric R Yoo, Ryan B Perumpail, George Cholankeril, Aijaz Ahmed
Patients with Down syndrome who received blood transfusions, likely in conjunction with cardiothoracic surgery for congenital heart disease and prior to the implementation of blood-donor screening for hepatitis C virus infection, face a substantial risk of acquiring the infection. In the past, interferon-based therapy for chronic hepatitis C infection in patients with Down syndrome was noted to have lower efficacy and potentially higher risk of adverse effects. Recently, the treatment for chronic hepatitis C has been revolutionized with the introduction of interferon-free direct acting antivirals with favorable safety, tolerability, and efficacy profile...
2016: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/27777886/underutilization-of-living-donor-liver-transplantation-in-the-united-states-bias-against-meld-20-and-higher
#4
Ryan B Perumpail, Eric R Yoo, George Cholankeril, Lupe Hogan, Melodie Deis, Waldo C Concepcion, C Andrew Bonham, Zobair M Younossi, Robert J Wong, Aijaz Ahmed
Background and Aims: Utilization of living donor liver transplantation (LDLT) and its relationship with recipient Model for End-Stage Liver Disease (MELD) needs further evaluation in the United States (U.S.). We evaluated the association between recipient MELD score at the time of surgery and survival following LDLT. Methods: All U.S. adult LDLT recipients with MELD < 25 were evaluated using the 1995-2012 United Network for Organ Sharing registry. Survival following LDLT was stratified into three MELD categories (MELD < 15 vs...
September 28, 2016: Journal of Clinical and Translational Hepatology
https://www.readbyqxmd.com/read/27652299/colonoscopy-with-polypectomy-is-associated-with-a-low-rate-of-complications-in-patients-with-cirrhosis
#5
Robert J Huang, Ryan B Perumpail, Nirav Thosani, Ramsey Cheung, Shai Friedland
BACKGROUND AND STUDY AIMS: Cirrhotic patients are at a theoretically increased risk of bleeding. The safety of polypectomy in cirrhosis is poorly defined. PATIENTS AND METHODS: We performed a retrospective review of patients with cirrhosis who underwent colonoscopic polypectomy at a tertiary-care hospital. Patient characteristics and polyp data were collected. Development of complications including immediate bleeding, delayed bleeding, hospitalization, blood transfusion, perforation, and death were recorded to 30-day follow-up...
September 2016: Endoscopy International Open
https://www.readbyqxmd.com/read/27609705/disparities-in-liver-transplantation-resulting-from-variations-in-regional-donor-supply-and-multiple-listing-practices
#6
George Cholankeril, Eric R Yoo, Ryan B Perumpail, Zobair M Younossi, Aijaz Ahmed
No abstract text is available yet for this article.
September 5, 2016: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/27497192/task-shifting-a-practical-strategy-to-improve-the-global-access-to-treatment-for-chronic-hepatitis-c
#7
EDITORIAL
Eric R Yoo, Ryan B Perumpail, George Cholankeril, Channa R Jayasekera, Aijaz Ahmed
No abstract text is available yet for this article.
October 2016: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/27456386/trends-in-liver-transplantation-multiple-listing-practices-associated-with-disparities-in-donor-availability-an-endless-pursuit-to-implement-the-final-rule
#8
EDITORIAL
George Cholankeril, Ryan B Perumpail, Zeynep Tulu, Channa R Jayasekera, Stephen A Harrison, Menghan Hu, Carlos O Esquivel, Aijaz Ahmed
No abstract text is available yet for this article.
September 2016: Gastroenterology
https://www.readbyqxmd.com/read/27388553/nonalcoholic-fatty-liver-disease-epidemiology-natural-history-and-diagnostic-challenges
#9
George Cholankeril, Ryan B Perumpail, Edward A Pham, Aijaz Ahmed, Stephen A Harrison
No abstract text is available yet for this article.
September 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27084385/chronic-hepatitis-b-is-associated-with-higher-inpatient-resource-utilization-and-mortality-versus-chronic-hepatitis-c
#10
George Cholankeril, Ryan B Perumpail, Menghan Hu, Gail Skowron, Zobair M Younossi, Aijaz Ahmed
BACKGROUND: Chronic hepatitis B virus (HBV) and chronic hepatitis C virus (HCV) infections remain one of the leading causes of chronic liver disease and hepatocellular carcinoma. Healthcare initiatives for chronic viral hepatitis to facilitate early diagnosis and linkage to care in an effort to reduce inpatient resource utilization associated with late diagnosis and end-stage liver disease have been partially successful. AIMS: Our objective was to determine the impact of liver-related complications from chronic HBV and HCV infections on inpatient cost of care, length of stay, and mortality...
September 2016: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/26807207/hepatitis-e-virus-infection-in-the-liver-transplant-recipients-clinical-presentation-and-management
#11
REVIEW
Avin Aggarwal, Ryan B Perumpail, Swetha Tummala, Aijaz Ahmed
Hepatitis E virus (HEV) is an emerging pathogen and an increasingly recognized cause of graft hepatitis, especially in the post-orthotopic liver transplantation immunocompromised population. The exact incidence and prevalence of HEV infection in this population remains unclear but is certainly greater than historical estimates. Identifying acute HEV infection in this population is imperative for choosing the right course of management as it is very difficult to distinguish histologically from acute rejection on liver biopsy...
January 18, 2016: World Journal of Hepatology
https://www.readbyqxmd.com/read/26783422/treatment-strategies-for-chronic-hepatitis-c-prior-to-and-following-liver-transplantation
#12
REVIEW
Ryan B Perumpail, Thomas A Hahambis, Avin Aggarwal, Zobair M Younossi, Aijaz Ahmed
Hepatitis C virus (HCV)-related liver disease is the leading indication for liver transplantation (LT) worldwide. However, HCV is an independent predictor of lower survival following LT, and recurrence of HCV post-LT is virtually universal. The historic standard of care during the interferon era of HCV therapy was expectant management-initiation of antiviral therapy in the setting of documented disease progression following LT. With the advent of new direct acting antiviral (DAA) therapies for HCV, the paradigm of expectant treatment for recurrent HCV infection post-LT is shifting...
January 8, 2016: World Journal of Hepatology
https://www.readbyqxmd.com/read/26692331/advances-in-cirrhosis-optimizing-the-management-of-hepatic-encephalopathy
#13
REVIEW
Andy Liu, Ryan B Perumpail, Radhika Kumari, Zobair M Younossi, Robert J Wong, Aijaz Ahmed
Hepatic encephalopathy (HE) is a major complication of cirrhosis resulting in significant socioeconomic burden, morbidity, and mortality. HE can be further subdivided into covert HE (CHE) and overt HE (OHE). CHE is a subclinical, less severe manifestation of HE and requires psychometric testing for diagnosis. Due to the time consuming screening process and lack of standardized diagnostic criteria, CHE is frequently underdiagnosed despite its recognized role as a precursor to OHE. Screening for CHE with the availability of the Stroop test has provided a pragmatic method to promptly diagnose CHE...
December 18, 2015: World Journal of Hepatology
https://www.readbyqxmd.com/read/26668694/update-on-hepatitis-c-direct-acting-antivirals
#14
REVIEW
Leon L Seifert, Ryan B Perumpail, Aijaz Ahmed
Hepatitis C virus (HCV) was discovered 26 years ago. For decades, interferon-based therapy has been the mainstay of treatment for HCV. Recently, several direct-acting antivirals (DAAs) have been approved for treatment of HCV-infected patients and to help combat the virus. These drugs have revolutionized the management of HCV as all-oral regimens with favorable side effect profiles and superior rates of sustained virological response. Emerging real-world data are demonstrating results comparable to registration trials for DAA agents...
December 8, 2015: World Journal of Hepatology
https://www.readbyqxmd.com/read/26576078/advances-in-alcoholic-liver-disease-an-update-on-alcoholic-hepatitis
#15
REVIEW
Randy Liang, Andy Liu, Ryan B Perumpail, Robert J Wong, Aijaz Ahmed
Alcoholic hepatitis is a pro-inflammatory chronic liver disease that is associated with high short-term morbidity and mortality (25%-35% in one month) in the setting of chronic alcohol use. Histopathology is notable for micro- and macrovesicular steatosis, acute inflammation with neutrophil infiltration, hepatocellular necrosis, perivenular and perisinusoidal fibrosis, and Mallory hyaline bodies found in ballooned hepatocytes. Other findings include the characteristic eosinophilic fibrillar material (Mallory's hyaline bodies) found in ballooned hepatocytes...
November 14, 2015: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/26467703/task-shifting-an-approach-to-decentralized-hepatitis-c-treatment-in-medically-underserved-areas
#16
Channa R Jayasekera, Ryan B Perumpail, David T Chao, Edward A Pham, Avin Aggarwal, Robert J Wong, Aijaz Ahmed
BACKGROUND: Despite the availability of safe and effective direct-acting antiviral drugs (DAAs), the vast majority of patients with chronic hepatitis C (HCV) in the USA remain untreated, in part due to lack of access to specialist providers. AIMS: To determine the effectiveness of DAA-based treatment in medically underserved areas in California, in a healthcare model dependent on task-shifting--wherein a visiting hepatologist assesses patients for treatment eligibility, but subsequent routine follow-up evaluation of patients prescribed treatment is devolved to a part-time licensed vocational nurse under remote supervision of the hepatologist...
December 2015: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/26464753/pathogenesis-of-hepatocarcinogenesis-in-non-cirrhotic-nonalcoholic-fatty-liver-disease-potential-mechanistic-pathways
#17
REVIEW
Ryan B Perumpail, Andy Liu, Robert J Wong, Aijaz Ahmed, Stephen A Harrison
Although hepatocellular carcinoma (HCC) primarily arises in the background of liver cirrhosis, the development of HCC in nonalcoholic fatty liver disease (NAFLD) without cirrhosis is increasingly recognized. The pathogenesis of NAFLD associated non-cirrhotic HCC is distinct from that of cirrhotic HCC because the metabolic syndrome (MS) along with obesity and insulin resistance (IR) underlie several unique mechanisms that promote tumorigenesis. IR associated with MS, NAFLD, and type 2 diabetes mellitus lead to the release of multiple pro-inflammatory cytokines, including tumor necrosis factor alpha, interleukin-6, leptin and resistin, as well as decreased amounts of adiponectin...
October 8, 2015: World Journal of Hepatology
https://www.readbyqxmd.com/read/26452752/high-prevalence-of-hepatic-fibrosis-in-the-setting-of-coexisting-diabetes-and-hepatic-steatosis-a-case-for-selective-screening-in-the-general-population
#18
EDITORIAL
Aijaz Ahmed, Ryan B Perumpail, Stephen A Harrison
No abstract text is available yet for this article.
January 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/26328027/advances-in-hepatocellular-carcinoma-nonalcoholic-steatohepatitis-related-hepatocellular-carcinoma
#19
REVIEW
Fauzia Z Khan, Ryan B Perumpail, Robert J Wong, Aijaz Ahmed
An increase in the prevalence of obesity and diabetes mellitus has been associated with the rise in nonalcoholic fatty liver disease (NAFLD). Two-thirds of the obese and diabetic populations are estimated to develop NAFLD. Currently, NAFLD is the most common etiology for chronic liver disease globally. The clinical spectrum of NAFLD ranges from simple steatosis, an accumulation of fat greater than 5% of liver weight, to nonalcoholic steatohepatitis (NASH), a more aggressive form with necroinflammation and fibrosis...
August 28, 2015: World Journal of Hepatology
https://www.readbyqxmd.com/read/26250831/hepatocellular-carcinoma-in-the-setting-of-non-cirrhotic-nonalcoholic-fatty-liver-disease-and-the-metabolic-syndrome-us-experience
#20
Ryan B Perumpail, Robert J Wong, Aijaz Ahmed, Stephen A Harrison
BACKGROUND: Type 2 diabetes mellitus, obesity, and the metabolic syndrome (MS) have been growing in prevalence in the USA and are independent risk factors for the development of hepatocellular carcinoma (HCC). Nonalcoholic fatty liver disease (NAFLD), the hepatic manifestation of the MS, with or without nonalcoholic steatohepatitis (NASH) can predispose to HCC in the absence of cirrhosis or advanced fibrosis. Nevertheless, the US literature investigating non-cirrhotic HCC in the setting of NAFLD/NASH and MS is lacking...
October 2015: Digestive Diseases and Sciences
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