N. Viazis

发表

Long-term benefit of transoral incisionless fundoplication using the esophyx device for the management of gastroesophageal reflux disease responsive to medical therapy.

G. Stefanidis, N. Viazis, N. Kotsikoros, 2016, Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus.

Efficacy of Three Different Dosages of Esomeprazole in the Long-Term Management of Reflux Disease: A Prospective, Randomized Study, Using the Wireless Bravo pH System

K. Vasiliadis, D. Karamanolis, G. Stefanidis, 2010, The American Journal of Gastroenterology.

Is there any role of renin-angiotensin system inhibitors in modulating inflammatory bowel disease outcome?

I. Koutroubakis, E. Tsoukali, G. Mantzaris, 2020, European journal of gastroenterology & hepatology.

Letter: towards gender‐stratified colorectal cancer screening and surveillance?

G. Mantzaris, N. Viazis, V. Papastergiou, 2022, Alimentary pharmacology & therapeutics.

Inflammatory bowel disease: Greek patients’ perspective on quality of life, information on the disease, work productivity and family support

J. Karagiannis, D. Karamanolis, N. Viazis, 2013, Annals of gastroenterology.

Selective Serotonin Reuptake Inhibitors for the Treatment of Hypersensitive Esophagus: A Randomized, Double-Blind, Placebo-Controlled Study

G. Karamanolis, A. Kanellopoulos, S. Ladas, 2012, The American Journal of Gastroenterology.

Selective-serotonin reuptake inhibitors for the treatment of hypersensitive esophagus

G. Karamanolis, D. Karamanolis, N. Viazis, 2011, Therapeutic advances in gastroenterology.

Long‐term administration of rifaximin improves the prognosis of patients with decompensated alcoholic cirrhosis

S. Ladas, D. Karamanolis, N. Viazis, 2013, Journal of gastroenterology and hepatology.

Sedation in digestive endoscopy: the Athens international position statements

D. Bjorkman, P. Linden, A. Axon, 2010, Alimentary pharmacology & therapeutics.

The natural history of COVID-19 in patients with inflammatory bowel disease: a nationwide study by the Hellenic Society for the study of IBD

G. Michalopoulos, I. Papaconstantinou, S. Fessatou, 2021, European journal of gastroenterology & hepatology.

Does debugging the portal system decrease pressure? Authors’ reply

D. Karamanolis, N. Viazis, J. Vlachogiannakos, 2009 .

The Impact of COVID-19 on Patients with IBD in a Prospective European Cohort Study

A. Amiot, A. Hart, F. Baert, 2022, Journal of Crohn's & colitis.

The role of coexisting cardiovascular disease on disease severity in patients with inflammatory bowel disease

I. Koutroubakis, E. Tsoukali, G. Mantzaris, 2020, European journal of gastroenterology & hepatology.

Reply to the letter to the Editor: 'The role of coexisting cardiovascular disease on disease severity in patients with inflammatory bowel disease'.

I. Koutroubakis, E. Tsoukali, G. Mantzaris, 2021, European journal of gastroenterology & hepatology.

Identification of serum proteome signature of irritable bowel syndrome: Potential utility of the tool for early diagnosis and patient's stratification.

A. Vaiopoulou, M. Gazouli, G. Tsangaris, 2017, Journal of proteomics.

Intestinal decontamination improves liver haemodynamics in patients with alcohol‐related decompensated cirrhosis

S. Raptis, D. Karamanolis, N. Viazis, 2009, Alimentary pharmacology & therapeutics.

The ulcerative colitis narrative Greece survey: patients’ and physicians’ perspective on quality of life and disease management

G. Mantzaris, N. Viazis, Anastasia Stefanidou, 2022, Annals of gastroenterology.

Efficacy of switching from infliximab to golimumab in patients with ulcerative colitis in deep remission.

M. Gazouli, E. Tsoukali, G. Mantzaris, 2021, Acta gastro-enterologica Belgica.

Predictors of Response to Vedolizumab in Patients with Ulcerative Colitis: Results from the Greek VEDO-IBD Cohort

N. Kyriakos, I. Papaconstantinou, G. Mantzaris, 2021, Digestive Diseases and Sciences.

Predictors of tissue healing in ulcerative colitis patients treated with anti-TNF.

M. Giakoumis, G. Mantzaris, G. Daikos, 2017, Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver.

Prevalence of Clostridium difficile infection among hospitalized inflammatory bowel disease patients in Greece

G. Mantzaris, S. Maraki, G. Paspatis, 2019, European journal of gastroenterology & hepatology.

Prevalence and Characteristics of Extra-intestinal Manifestations in a Large Cohort of Greek Patients with Inflammatory Bowel Disease.

G. Bamias, V. Papadopoulos, A. Kapsoritakis, 2016, Journal of Crohn's & colitis.

Epidemiology of Inflammatory Bowel Diseases

N. Viazis, 2006 .

Azathioprine discontinuation earlier than 6 months in Crohn’s disease patients started on anti-TNF therapy is associated with loss of response and the need for anti-TNF dose escalation

M. Giakoumis, G. Theocharis, C. Triantos, 2015, European journal of gastroenterology & hepatology.

Somatostatin and its analogues in peptic ulcer bleeding: facts and pathophysiological aspects.

N. Viazis, S. Sgouros, A. Avgerinos, 2005, Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver.

Letters to the Editor: Two different doses and duration schedules of somatostatin -14 in the treatment of patients with bleeding oesophageal varices: a non-randomised controlled study

S. Raptis, N. Viazis, S. Manolakopoulos, 2000 .

Early increase of lower oesophageal sphincter pressure after band ligation of oesophageal varices in cirrhotics: an intriguing phenomenon

G. Stefanidis, N. Viazis, S. Manolakopoulos, 2002, European journal of gastroenterology & hepatology.

Earlier Eradication of Intra-Anal Warts with Argon Plasma Coagulator Combined with Imiquimod Cream Compared with Argon Plasma Coagulator Alone: A Prospective, Randomized Trial

K. Vasiliadis, D. Karamanolis, N. Viazis, 2007, Diseases of the colon and rectum.

Clinical trial: the effect of somatostatin vs. octreotide in preventing post‐endoscopic increase in hepatic venous pressure gradient in cirrhotics with bleeding varices

T. Economopoulos, C. Triantos, D. Karamanolis, 2007, Alimentary pharmacology & therapeutics.

Clearing the stomach before emergency endoscopy in cirrhotics with acute upper gastrointestinal bleeding. A gastrokinetic or a vasoactive drug?

N. Viazis, J. Vlachogiannakos, A. Avgerinos, 2003, Journal of hepatology.

Somatostatin inhibits gastric acid secretion more effectively than pantoprazole in patients with peptic ulcer bleeding: A prospective, randomized, placebo-controlled trial

N. Viazis, S. Sgouros, K. Papaxoinis, 2005, Scandinavian journal of gastroenterology.

Large Balloon Dilation vs. Mechanical Lithotripsy for the Management of Large Bile Duct Stones: A Prospective Randomized Study

R. Chuttani, D. Pleskow, G. Stefanidis, 2011, The American Journal of Gastroenterology.

A comparative study of postendoscopic sphincterotomy complications with various types of electrosurgical current in patients with choledocholithiasis.

G. Karamanolis, G. Stefanidis, N. Viazis, 2003, Gastrointestinal endoscopy.

Pancreatic duct stricture dilation with a controlled radial expansion balloon for the management of stone impaction.

R. Chuttani, D. Pleskow, G. Stefanidis, 2009, Endoscopy.

A prospective cross-over study using a sphincterotome and a guidewire to increase the success rate of common bile duct cannulation.

G. Stefanidis, N. Viazis, S. Manolakopoulos, 2005, World journal of gastroenterology.

Proteomics and irritable bowel syndrome

A. Vaiopoulou, M. Gazouli, G. Tsangaris, 2017, Expert review of proteomics.

Comparative Study of Mutations in Single Nucleotide Polymorphism Loci of KRAS and BRAF Genes in Patients Who Underwent Screening Colonoscopy, With and Without Premalignant Intestinal Polyps.

M. Gazouli, M. Galanopoulos, G. Papatheodoridis, 2017, Anticancer research.

Course of inflammatory bowel disease in patients infected with human immunodeficiency virus

A. Skoutelis, D. Karamanolis, N. Viazis, 2010, Inflammatory bowel diseases.

Secondary metastatic lesions to colon and rectum

A. Papaefthymiou, M. Galanopoulos, C. Liatsos, 2018, Annals of gastroenterology.

Basic Requirements for Monitoring Sedated Patients: Blood Pressure, Pulse Oximetry, and EKG

N. Viazis, M. Walsh, W. Maurer, 2010, Digestion.

Treating a malignant biliary stricture using the Soehendra stent retriever: overcoming the boundaries

N. Viazis, A. Armonis, A. Avgerinos, 2007 .

COVID-19 pandemic: Pathophysiology and manifestations from the gastrointestinal tract

M. Galanopoulos, C. Liatsos, F. Gkeros, 2020, World journal of gastroenterology.

Laboratory manifestations and pathophysiological aspects of coronavirus disease 2019 pandemic: focusing on the digestive system

M. Galanopoulos, C. Liatsos, F. Gkeros, 2021, European journal of gastroenterology & hepatology.

Clinical profiles of moderate and severe Crohn’s disease patients and use of anti-tumor necrosis factor agents: Greek expert consensus guidelines

I. Koutroubakis, G. Mantzaris, K. Papamichael, 2015, Annals of gastroenterology.

Does clinical response correlate with mucosal healing in patients with Crohn's disease of the small bowel? A prospective, case‐series study using wireless capsule endoscopy

S. Raptis, G. Mantzaris, D. Karamanolis, 2008, Inflammatory bowel diseases.

Long term benefit of one year infliximab administration for the treatment of chronic refractory pouchitis.

M. Giakoumis, G. Kechagias, D. Karamanolis, 2013, Journal of Crohn's & colitis.

One-year infliximab administration for the treatment of chronic refractory pouchitis

M. Giakoumis, G. Kechagias, N. Viazis, 2011, Annals of gastroenterology.

Open-label study of a regimen consisting of 1 week of lansoprazole, clarithromycin, and amoxicillin followed by 3 weeks of lansoprazole in healing peptic ulcer and eradicating Helicobacter pylori

M. Tzivras, A. Avgerinos, N. Viazis, 2000 .

Bleeding Lesions Within Reach of Conventional Endoscopy in Capsule Endoscopy Examinations for Obscure Gastrointestinal Bleeding: Is Repeating Endoscopy Economically Feasible?

S. Ladas, D. Karamanolis, N. Viazis, 2011, Digestive Diseases and Sciences.

Room for improvement in the treatment of pancreatic cancer: Novel opportunities from gene targeted therapy

M. Galanopoulos, C. Liatsos, F. Gkeros, 2021, World journal of gastroenterology.

Effects of endoscopic variceal treatment on oesophageal function: a prospective, randomized study

G. Stefanidis, N. Viazis, S. Manolakopoulos, 2002, European journal of gastroenterology & hepatology.

Two different doses and duration schedules of somatostatin -14 in the treatment of patients with bleeding oesophageal varices: a non-randomised controlled study.

S. Raptis, N. Viazis, S. Manolakopoulos, 2000, Journal of hepatology.

Bowel preparation increases the diagnostic yield of capsule endoscopy: a prospective, randomized, controlled study.

A. Panani, N. Viazis, S. Sgouros, 2004, Gastrointestinal endoscopy.

Real-World Use and Adverse Events of SARS-CoV-2 Vaccination in Greek Patients with Inflammatory Bowel Disease

C. Liatsos, G. Bamias, I. Koutroubakis, 2022, Journal of clinical medicine.

A Four-Probiotics Regimen Combined with A Standard Helicobacter pylori-Eradication Treatment Reduces Side Effects and Increases Eradication Rates

C. Liatsos, P. Apostolopoulos, D. Christodoulou, 2022, Nutrients.

COLD SNARE POLYPECTOMY VS HOT SNARE POLYPECTOMY VS ARGON PLASMA COAGULATION (APC) FOR 5 – 9MM LEFT-SIDED COLORECTAL POLYPS: A PROSPECTIVE RANDOMIZED TRIAL

G. Kyriakopoulos, G. Mantzaris, N. Viazis, 2019, Endoscopy.

P604 Prevalence and characteristics of dermatologic manifestations in a Greek population of inflammatory bowel disease patients followed-up in tertiary centers

G. Bamias, A. Kapsoritakis, I. Koutroubakis, 2014 .

Endoscopic removal of esophageal expandable metal stents:is it really feasible?

D. Karamanolis, N. Viazis, A. Saveriadis, 2007 .

Effective colonoscopy training techniques: strategies to improve patient outcomes

M. Galanopoulos, D. Karamanolis, N. Viazis, 2016, Advances in medical education and practice.

Comparison of the Uptake of Screening Colonoscopy between Physicians and the General Population in Greece

G. Karamanolis, D. Christodoulou, O. Giouleme, 2019, Digestive Diseases.

Colon capsule endoscopy is feasible to perform after incomplete colonoscopy and guides further workup in clinical practice.

Konstantinos Triantafyllou, P. Tsibouris, S. Ladas, 2014, Gastrointestinal endoscopy.

Is there a role for second-look capsule endoscopy in patients with obscure GI bleeding after a nondiagnostic first test?

D. Karamanolis, N. Viazis, K. Papaxoinis, 2009, Gastrointestinal endoscopy.

Impact of capsule endoscopy in obscure small-bowel bleeding: defining strict diagnostic criteria for a favorable outcome.

N. Viazis, S. Sgouros, Kostis Papaxoinis, 2005, Gastrointestinal endoscopy.

A 13-year time trend analysis of 3724 small bowel video capsule endoscopies and a forecast model during the financial crisis in Greece

Konstantinos Triantafyllou, George Alexandrakis, G. Alexandrakis, 2017, European journal of gastroenterology & hepatology.

Small Bowel Capsule Endoscopy: Indications, Limitations and Diagnostic Yield

N. Viazis, 2013 .

Refractory GERD: increased body mass index is associated with persisting acid exposure but not hypersensitive esophagus or functional heartburn

G. Karamanolis, S. Ladas, D. Karamanolis, 2013, European journal of gastroenterology & hepatology.

Response to Anti-α4β7 Blockade in Patients With Ulcerative Colitis Is Associated With Distinct Mucosal Gene Expression Profiles at Baseline.

M. Gazouli, I. Papaconstantinou, N. Dovrolis, 2021, Inflammatory bowel diseases.

Intracerebral hemorrhage after therapeutic upper-GI endoscopy: report of a case.

N. Viazis, J. Vlachogiannakos, F. Michalopoulou, 2006, Gastrointestinal endoscopy.

Ascariasis in an adolescent with AIDS.

M. Theodoridou, N. Viazis, E. Roma-giannikou, 2009, Journal of pediatric gastroenterology and nutrition.

Indeterminate colitis – the role of wireless capsule endoscopy

N. Viazis, D. Karamanolis, 2007, Alimentary pharmacology & therapeutics.

Long‐term prognosis of cirrhotics with an upper gastrointestinal bleeding episode: Does infection play a role?

S. Raptis, C. Triantos, D. Karamanolis, 2008, Journal of gastroenterology and hepatology.

Proton pump inhibitor and selective serotonin reuptake inhibitor therapy for the management of noncardiac chest pain

G. Karamanolis, M. Galanopoulos, G. Mantzaris, 2017, European journal of gastroenterology & hepatology.

P235 The natural history of COVID-19 in vaccinated Inflammatory Bowel Disease patients

C. Liatsos, G. Bamias, I. Drygiannakis, 2022, Journal of Crohn's & Colitis.

Small bowel capsule endoscopy for the investigation of obscure gastrointestinal bleeding: When we should do it and what should we expect.

N. Viazis, D. Karamanolis, J. Anastasiou, 2016, Acta gastro-enterologica Belgica.

Azathioprine use in patients with Inflammatory Bowel Disease. Adherence to treatment and adverse events. A single center experience

D. Karamanolis, N. Viazis, D. Georgiadis, 2009 .

Wireless capsule endoscopy versus enteroclysis in the diagnosis of small-bowel Crohn's disease

G. Mantzaris, D. Karamanolis, N. Viazis, 2009, European journal of gastroenterology & hepatology.

Anal defecatory function in ulcerative colitis patients after total proctocolectomy and ileal pouch-anal anastomosis: a prospective cohort study.

G. Karamanolis, G. Mantzaris, M. Vraka, 2023, European journal of gastroenterology & hepatology.

Diffuse idiopathic colonic varices presenting with lower gastrointestinal bleeding in an elderly patient: a case report and review of the literature.

G. Stefanidis, N. Viazis, P. Pipis, 2006, Acta gastro-enterologica Belgica.

Advances in Medical Education and Practice Dovepress Effective Colonoscopy Training Techniques: Strategies to Improve Patient Outcomes

M. Galanopoulos, D. Karamanolis, N. Viazis, 2022 .

Diagnostic Yield and Outcomes of Small Bowel Capsule Endoscopy in Patients with Small Bowel Bleeding Receiving Antithrombotics

N. Kyriakos, N. Viazis, G. Tribonias, 2024, Diagnostics.

Comparison between tofacitinib and ustekinumab as a third‐line therapy in refractory ulcerative colitis: A multicenter international study

U. Kopylov, G. Fiorino, D. Christodoulou, 2024, United European gastroenterology journal.