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V. Nikolopoulou · SciRah

Researcher profile · Semantic Scholar

V. Nikolopoulou

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V. Nikolopoulou — researcher profile on SciRah

h-index: 22
Works: 58
Citations: 1,688

Most-cited papers

Non-invasive predictors of the presence of large oesophageal varices in patients with cirrhosis.
K. Thomopoulos, C. Labropoulou-Karatza, K. Mimidis, E. Katsakoulis +2 more
2003Digestive and Liver Disease214 citations
Semantic Scholar
Changes in aetiology and clinical outcome of acute upper gastrointestinal bleeding during the last 15 years
K. Thomopoulos, K. Vagenas, C. Vagianos, V. Margaritis +3 more
2004European Journal of Gastroenterology and Hepathology150 citations
Semantic Scholar
Changing Trends in the Epidemiology and Clinical Outcome of Acute Upper Gastrointestinal Bleeding in a Defined Geographical Area in Greece
G. Theocharis, K. Thomopoulos, G. Sakellaropoulos, E. Katsakoulis +1 more
2008Journal of Clinical Gastroenterology121 citations
Semantic Scholar
Acute upper gastrointestinal bleeding in patients on long-term oral anticoagulation therapy: endoscopic findings, clinical management and outcome.
K. Thomopoulos, K. Mimidis, G. Theocharis, A. Gatopoulou +2 more
2005World Journal of Gastroenterology90 citations Open access
Semantic Scholar
Improved survival of patients presenting with acute variceal bleeding. Prognostic indicators of short- and long-term mortality.
K. Thomopoulos, G. Theocharis, K. Mimidis, C. Lampropoulou-Karatza +2 more
2006Digestive and Liver Disease82 citations
Semantic Scholar
Increased Frequency of Mutations in the Gene Responsible for Familial Mediterranean Fever (MEFV) in a Cohort of Patients with Ulcerative Colitis: Evidence for a Potential Disease-Modifying Effect?
S. Giaglis, K. Mimidis, V. Papadopoulos, K. Thomopoulos +8 more
2006Digestive Diseases and Sciences80 citations
Semantic Scholar
Bombesin and Neurotensin Reduce Endotoxemia, Intestinal Oxidative Stress, and Apoptosis in Experimental Obstructive Jaundice
S. Assimakopoulos, C. Scopa, G. Zervoudakis, P. Mylonas +3 more
2005Annals of Surgery69 citations Open access
Semantic Scholar
Evidence for intestinal oxidative stress in patients with obstructive jaundice
S. Assimakopoulos, Konstantinos Thomopoulos, N. Patsoukis, Christos D. Georgiou +3 more
2006European Journal of Clinical Investigation66 citations
Semantic Scholar
Effect of Oral Glutamine Administration on Bacterial Tanslocation, Endotoxemia, Liver and Ileal Morphology, and Apoptosis in Rats with Obstructive Jaundice
V. Margaritis, K. Filos, M. Michalaki, C. Scopa +3 more
2005World Journal of Surgery60 citations
Semantic Scholar
Non-variceal Gastrointestinal Bleeding in Patients with Liver Cirrhosis: A Review
M. Kalafateli, C. Triantos, V. Nikolopoulou, A. Burroughs
2012Digestive Diseases and Sciences58 citations
Semantic Scholar
Bacterial translocation, endotoxaemia and apoptosis following Pringle manoeuvre in rats.
K. Filos, I. Kirkilesis, I. Spiliopoulou, C. Scopa +3 more
2004Injury57 citations
Semantic Scholar
Autoimmune cholangitis in a patient with celiac disease: a case report and review of the literature.
C. Gogos, V. Nikolopoulou, V. Zolota, V. Siampi +1 more
1999Journal of Hepatology55 citations
Semantic Scholar
Adiposity factors are not related to the presence of colorectal adenomas
Aris Chronis, Konstantinos C Thomopoulos, Apostolos Sapountzis, C. Triantos +3 more
2011Clinical and Experimental Gastroenterology54 citations Open access
Semantic Scholar
Twenty-four hour prophylaxis with increased dosage of octreotide reduces the incidence of post-ERCP pancreatitis.
K. Thomopoulos, N. Pagoni, K. Vagenas, V. Margaritis +2 more
2006Gastrointestinal Endoscopy52 citations
Semantic Scholar
Experimental obstructive jaundice disrupts intestinal mucosal barrier by altering occludin expression: beneficial effect of bombesin and neurotensin.
S. Assimakopoulos, C. Scopa, A. Charonis, I. Spiliopoulou +3 more
2004Journal of the American College of Surgeons47 citations
Semantic Scholar
Acute upper gastrointestinal bleeding in octogenarians: clinical outcome and factors related to mortality.
G. Theocharis, Vassiliki Arvaniti, S. Assimakopoulos, K. Thomopoulos +3 more
2008World Journal of Gastroenterology40 citations Open access
Semantic Scholar
Predisposing factors and clinical symptoms in HIV‐negative patients with Candida oesophagitis: are they always present?
K. Mimidis, V. Papadopoulos, V. Margaritis, K. Thomopoulos +3 more
2004International journal of clinical practice38 citations Open access
Semantic Scholar
Oxidative state in intestine and liver after partial hepatectomy in rats. Effect of bombesin and neurotensin.
Ilias H Alexandris, S. Assimakopoulos, C. Vagianos, N. Patsoukis +3 more
2004Clinical Biochemistry38 citations
Semantic Scholar
Gut regulatory peptides bombesin and neurotensin reduce hepatic oxidative stress and histological alterations in bile duct ligated rats.
S. Assimakopoulos, C. Vagianos, G. Zervoudakis, K. Filos +3 more
2004Regulatory Peptides35 citations
Semantic Scholar
Factors Associated with Failure of Endoscopic Injection Haemostasis in Bleeding Peptic Ulcers
K. Thomopoulos, J. Mitropoulos, E. Katsakoulis, C. Vagianos +3 more
2001Scandinavian Journal of Gastroenterology35 citations
Semantic Scholar
The Effect of Octreotide as an Adjunct Treatment in Active Nonvariceal Upper Gastrointestinal Bleeding
V. Nikolopoulou, K. Thomopoulos, E. Katsakoulis, A. G. Vasilopoulos +2 more
2004Journal of Clinical Gastroenterology25 citations
Semantic Scholar
Effect of bombesin and neurotensin on gut barrier function in partially hepatectomized rats.
S. Assimakopoulos, Ilias H Alexandris, C. Scopa, P. Mylonas +4 more
2005World Journal of Gastroenterology22 citations Open access
Semantic Scholar
Prevalence of intrapulmonary vascular dilatations in normoxaemic patients with early liver cirrhosis.
K. Mimidis, C. Karatza, K. Spiropoulos, T. Toulgaridis +4 more
1998Scandinavian Journal of Gastroenterology22 citations
Semantic Scholar
Intestinal failure in obstructive jaundice.
S. Assimakopoulos, C. Vagianos, A. Charonis, V. Nikolopoulou +1 more
2005World Journal of Gastroenterology17 citations Open access
Semantic Scholar
Endoscopic retrogade cholangiopancreatography is safe and effective method for diagnosis and treatment of biliary and pancreatic disorders in octogenarians.
Konstantinos Thomopoulos, K. Vagenas, S. Assimakopoulos, C. Giannikoulis +3 more
2007Acta gastro-enterologica Belgica16 citations
Semantic Scholar
Gastric ulcers and risk for cancer. Is follow‐up necessary for all gastric ulcers?
K. Thomopoulos, M. Melachrinou, K. Mimidis, E. Katsakoulis +3 more
2004International journal of clinical practice16 citations
Semantic Scholar
Predictors of hemostatic failure after adrenaline injection in patients with peptic ulcers with non‐bleeding visible vessel
K. Thomopoulos, G. Theocharis, K. Vagenas, D. Danikas +2 more
2004Scandinavian Journal of Gastroenterology15 citations
Semantic Scholar
Experimental obstructive jaundice alters claudin-4 expression in intestinal mucosa: effect of bombesin and neurotensin.
S. Assimakopoulos, C. Vagianos, A. Charonis, Ilias H Alexandris +4 more
2006World Journal of Gastroenterology12 citations Open access
Semantic Scholar
CAUSES AND CLINICAL OUTCOME OF ACUTE UPPER GASTROINTESTINAL BLEEDING: A PROSPECTIVE ANALYSIS OF 1534 CASES
K. Thomopoulos, E. Katsakoulis, C. Vagianos, Konstantinos Mimidis +2 more
1998International journal of clinical practice12 citations
Semantic Scholar
Adiposity factors are not related to the presence of colorectal adenomas
Aris Chronis, Konstantinos C Thomopoulos, Apostolos Sapountzis, C. Triantos +3 more
201111 citations
Semantic Scholar
Measurement of O6-methylguanine-type adducts in DNA and O6-alkylguanine-DNA-alkyltransferase repair activity in normal and neoplastic human tissues.
V. Souliotis, V. Zongza, V. Nikolopoulou, G. J. Dimitriadis
1992Comparative biochemistry and physiology. B, Comparative biochemistry11 citations
Semantic Scholar
An increased number of circulating γ/δ TCR + T cells in patients with chronic viral hepatitis
V. Nikolopoulou, A. Skoutelis, K. Thomopoulos, B. Salsaa +1 more
199510 citations
Semantic Scholar
Pleiotropic effects of bombesin and neurotensin on intestinal mucosa: not just trefoil peptides.
S. Assimakopoulos, C. Scopa, V. Nikolopoulou, C. Vagianos
2008World Journal of Gastroenterology9 citations Open access
Semantic Scholar
The effect of endoscopic injection therapy on the clinical outcome of patients with benign peptic ulcer bleeding.
K. Thomopoulos, V. Nikolopoulou, E. Katsakoulis, K. Mimidis +3 more
1997Scandinavian Journal of Gastroenterology8 citations
Semantic Scholar
Acute upper gastrointestinal bleeding in operated stomach: outcome of 105 cases.
V. Nikolopoulou, K. Thomopoulos, George Theocharis, Vassiliki Arvaniti +1 more
2005World Journal of Gastroenterology6 citations Open access
Semantic Scholar
Changes in Indications for Upper Gastrointestinal Tract Endoscopy and Endoscopic Findings during the Last Fifteen Years in South-Western Greece
S. Assimakopoulos, K. Thomopoulos, Emanuel Louvros, George Theocharis +3 more
2008American Journal of the Medical Sciences4 citations
Semantic Scholar
Intestinal barrier dysfunction in obstructive jaundice: current concepts in pathophysiology and potential therapies
S. Assimakopoulos, C. Vagianos, V. Nikolopoulou
20074 citations
Semantic Scholar
Effects of rabeprazole on early symptom relief in gastro-oesophageal reflux disease: the Hellenic Rabeprazole Study Group surveillance study
A. Archimandritis, V. Nikolopoulou, G. Kouklakis, E. Paraskevas +3 more
2005Current Medical Research and Opinion4 citations
Semantic Scholar
Patients with gastroesophageal reflux disease and respiratory manifestations do not present lung function disorders during cardiopulmonary exercise test.
C. Giannikoulis, K. Karkoulias, Konstantinos Thomopoulos, M. Marangos +2 more
2011Diseases of the esophagus3 citations
Semantic Scholar
A Case of Chondrosarcoma Developing in a Recurrent Retroperitoneal Mass after Chemotherapy for Testicular Germ Cell Tumor
S. Assimakopoulos, A. Koutras, P. Ravazoula, T. Makatsoris +4 more
2006Urologia internationalis3 citations
Semantic Scholar
Production of interleukin-1b and tumor necrosis factor--a by peripheral blood human mononuclear cells in active and inactive stages of ulcerative colitis.
V. Nikolopoulou, E. Katsakoulis, P. Tsiotos, K. Thomopoulos +2 more
1995Zeitschrift für Gastroenterologie - German Journal of Gastroenterology3 citations
Semantic Scholar
The effects of horticultural therapy on the functionality of psychotic patients employed in the green unit of the psychiatric hospital of thessaloniki greece
K. Kontos, S. Koutsou, A. Sismanidi, N. Theodoropoulou +3 more
2021European psychiatry2 citations Open access
Semantic Scholar
Beneficial effects of glutamine on intestinal barrier function in obstructive jaundice.
S. Assimakopoulos, V. Nikolopoulou, C. Scopa, C. Vagianos
2005World Journal of Surgery2 citations
Semantic Scholar
DOES HAEMOSTATIC THERAPY IMPROVE THE PROGNOSIS IN UPPER GASTROINTESTINAL BLEEDING?
V. Nikolopoulou, E. Katsakoulis, K. Thomopoulos, P. Tsiotos
1995The British journal of clinical practice2 citations
Semantic Scholar
Six-month maintenance treatment of duodenal ulcer with sucralfate: influence on antral gastritis and Helicobacter pylori antral colonization--a prospective uncontrolled study.
A. Archimandritis, M. Tjivras, P. Davaris, M. Tryfonos +3 more
1993Clinical Therapeutics2 citations
Semantic Scholar
Lymphocytes from patients with chronic duodenal ulcer disease show enhanced proliferative response to beta-endorphin.
V. Nikolopoulou, T. Lafi, C. Gogos, A. Athanassiadou +1 more
1993Hepato-Gastroenterology2 citations
Semantic Scholar
Enhanced proliferative response to beta-endorphin of phytohemagglutinin-activated lymphocytes from patients with ulcerative colitis.
V. Nikolopoulou, T. Lafi, A. Athanasiadou, N. Zoumbos
1991Zeitschrift für Gastroenterologie - German Journal of Gastroenterology2 citations
Semantic Scholar
A multicenter, prospective, observational study of the long-term outcomes of Crohn’s disease patients under routine care management in Greece
S. Michopoulos, Gregorios Paspatis, K. Triantafyllou, S. Potamianos +6 more
2018Annals of gastroenterology : quarterly publication of the Hellenic Society of Gastroenterology1 citations Open access
Semantic Scholar
Active bleeding in benign gastro-duodenal ulcers: Predictors of failure of endoscopic injection hemostasis
K. Thomopoulos, G. Theocharis, K. Vagenas, E. Katsakoulis +3 more
20071 citations
Semantic Scholar
HIGH PREVALENCE OF LUNG DIFFUSION IMPAIRMENT IN NORMOXAEMIC PATIENTS WITH EARLY LIVER CIRRHOSIS
K. Mimidis, K. Spiropoulos, N. Charokopos, C. Karatza +4 more
19981 citations
Semantic Scholar

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K. Thomopoulos×24
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C. Vagianos×22
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S. Assimakopoulos×15
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E. Katsakoulis×13
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C. Scopa — researcher profile on SciRah

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