Jannis Kountouras

Summary

Affiliation: Aristotle University of Thessaloniki
Country: Greece

Publications

  1. ncbi Locoregional immunochemotherapy in hepatocellular carcinoma
    J Kountouras
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece
    Hepatogastroenterology 49:1109-12. 2002
  2. ncbi Effect of spironolactone and vitamin E on serum metabolic parameters and insulin resistance in patients with nonalcoholic fatty liver disease
    Stergios A Polyzos
    Second Medical Clinic, Medical School, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece
    J Renin Angiotensin Aldosterone Syst 12:498-503. 2011
  3. ncbi Five-year survival after Helicobacter pylori eradication in Alzheimer disease patients
    Jannis Kountouras
    Department of Gastroenterology, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Byzantio, Thessaloniki, Macedonia, Greece
    Cogn Behav Neurol 23:199-204. 2010
  4. ncbi Efficacy and safety of infliximab in steroid-dependent ulcerative colitis patients
    Emmanuel Gavalas
    Department of Gastroenterology, Second Medical Clinic, Ippokration Hospital Aristotle University of Thessaloniki, Greece
    Hepatogastroenterology 54:1074-9. 2007
  5. ncbi Eradication of Helicobacter pylori might halt the progress to oesophageal adenocarcinoma in patients with gastro-oesophageal reflux disease and Barrett's oesophagus
    Jannis Kountouras
    Med Hypotheses 68:1174-5. 2007
  6. ncbi Benign retropneumoperitoneum developed after endoscopic sphincterotomy and large balloon dilation of biliary sphincter for removal of large biliary stones: a case report
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Thessaloniki, Greece
    Cases J 1:279. 2008
  7. ncbi The role of endoscopic treatment in postoperative bile leaks
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Thessaloniki, Greece
    Hepatogastroenterology 53:166-70. 2006
  8. ncbi Apoptosis and autoimmunity as proposed pathogenetic links between Helicobacter pylori infection and idiopathic achalasia
    Jannis Kountouras
    Department of Gastroenterology, 2nd Medical Clinic, Ippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
    Med Hypotheses 63:624-9. 2004
  9. ncbi New aspects of Helicobacter pylori infection involvement in gastric oncogenesis
    Jannis Kountouras
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece
    J Surg Res 146:149-58. 2008
  10. ncbi Immunomodulatory benefits of cyclosporine A in inflammatory bowel disease
    Jannis Kountouras
    Department of Medicine, 2nd Medical Clinic, Ippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Macedonia 551 33, Greece
    J Cell Mol Med 8:317-28. 2004

Collaborators

Detail Information

Publications108 found, 100 shown here

  1. ncbi Locoregional immunochemotherapy in hepatocellular carcinoma
    J Kountouras
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece
    Hepatogastroenterology 49:1109-12. 2002
    ..Recent data point to the potential of considering intratumoral or intravascular use of adenovirus carrying interleukin-12 gene, and/or p53-based gene therapy as possible therapeutic strategies in patients with hepatocellular carcinoma...
  2. ncbi Effect of spironolactone and vitamin E on serum metabolic parameters and insulin resistance in patients with nonalcoholic fatty liver disease
    Stergios A Polyzos
    Second Medical Clinic, Medical School, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece
    J Renin Angiotensin Aldosterone Syst 12:498-503. 2011
    ..The main aim was assessment of the effect of spironolactone on serum metabolic parameters and insulin resistance in patients with NAFLD...
  3. ncbi Five-year survival after Helicobacter pylori eradication in Alzheimer disease patients
    Jannis Kountouras
    Department of Gastroenterology, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Byzantio, Thessaloniki, Macedonia, Greece
    Cogn Behav Neurol 23:199-204. 2010
    ..Alzheimer disease (AD) is a progressive, fatal neurodegenerative condition...
  4. ncbi Efficacy and safety of infliximab in steroid-dependent ulcerative colitis patients
    Emmanuel Gavalas
    Department of Gastroenterology, Second Medical Clinic, Ippokration Hospital Aristotle University of Thessaloniki, Greece
    Hepatogastroenterology 54:1074-9. 2007
    ..Limited data exist concerning infliximab administration in steroid-dependent ulcerative colitis (UC) patients. The aim of this study was to evaluate the efficacy and safety of infliximab in steroid-dependent disease...
  5. ncbi Eradication of Helicobacter pylori might halt the progress to oesophageal adenocarcinoma in patients with gastro-oesophageal reflux disease and Barrett's oesophagus
    Jannis Kountouras
    Med Hypotheses 68:1174-5. 2007
  6. ncbi Benign retropneumoperitoneum developed after endoscopic sphincterotomy and large balloon dilation of biliary sphincter for removal of large biliary stones: a case report
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Thessaloniki, Greece
    Cases J 1:279. 2008
    ..To the best of our knowledge this is the first report of such a complication after introduction of this method to clinical practice...
  7. ncbi The role of endoscopic treatment in postoperative bile leaks
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Thessaloniki, Greece
    Hepatogastroenterology 53:166-70. 2006
    ..Bile leak is among the most common and serious complications of biliary tract surgery. The aim of this non-randomized study was to evaluate the role of endoscopic intervention as an accepted treatment for this complication...
  8. ncbi Apoptosis and autoimmunity as proposed pathogenetic links between Helicobacter pylori infection and idiopathic achalasia
    Jannis Kountouras
    Department of Gastroenterology, 2nd Medical Clinic, Ippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
    Med Hypotheses 63:624-9. 2004
    ..Whether eradication of H. pylori infection may indirectly offer benefit to the pathophysiology of idiopathic achalasia by ameliorating the apoptotic loss of ganglion cells and their axons in the oesophageal wall remains to be elucidated...
  9. ncbi New aspects of Helicobacter pylori infection involvement in gastric oncogenesis
    Jannis Kountouras
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece
    J Surg Res 146:149-58. 2008
    ....
  10. ncbi Immunomodulatory benefits of cyclosporine A in inflammatory bowel disease
    Jannis Kountouras
    Department of Medicine, 2nd Medical Clinic, Ippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Macedonia 551 33, Greece
    J Cell Mol Med 8:317-28. 2004
    ....
  11. ncbi Eradication of Helicobacter pylori may be beneficial in the management of Alzheimer's disease
    Jannis Kountouras
    Department of Gastroenterology, Second Medical Clinic, Ippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
    J Neurol 256:758-67. 2009
    ..001 and P = 0.049 for MMSE and CAMCOG, respectively; P < 0.001 for FRSSD), but not in the other patients. Hp eradication may positively influence AD manifestations, suggesting a possible common link between Hp and AD...
  12. ncbi Association between Helicobacter pylori infection and acute inflammatory demyelinating polyradiculoneuropathy
    J Kountouras
    Department of Gastroenterology, Second Medical Clinic, Aristotle University of Thessaloniki, 8 Fanariou Street, Byzantio, 551 33 Thessaloniki, Macedonia, Greece
    Eur J Neurol 12:139-43. 2005
    ..Anti-H. pylori titre might reflect advanced clinical status. Anti-H. pylori IgG antibodies are also associated with involvement of the proximal parts of peripheral nerves in AIDP...
  13. ncbi New concepts of molecular biology on gastric carcinogenesis
    Jannis Kountouras
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece
    Hepatogastroenterology 52:1305-12. 2005
    ..Finally, Helicobacter pylori (H. pylori) infection is also involved in gastric carcinogenesis through various mechanisms, thereby necessitating H. pylori eradication in patients with gastric cancer...
  14. ncbi A concept on the role of Helicobacter pylori infection in autoimmune pancreatitis
    J Kountouras
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Byzantio 55133, Thessaloniki, Macedonia, Greece
    J Cell Mol Med 9:196-207. 2005
    ..Considering that H. pylori is involved in the pathogenesis and pathophysiology of these autoimmune disorders, we propose that this organism might trigger autoimmune pancreatitis through induction of autoimmunity and apoptosis...
  15. ncbi Recent advances in the management of radiation colitis
    Jannis Kountouras
    Department of Gastroenterology, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Greece
    World J Gastroenterol 14:7289-301. 2008
    ....
  16. ncbi Apoptotic and anti-angiogenic strategies in liver and gastrointestinal malignancies
    Jannis Kountouras
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece
    J Surg Oncol 90:249-59. 2005
    ..Besides, angiogenesis is a crucial process for tumor growth and metastasis. New strategies targeting fundamental play-markers of the angiogenic process are currently under investigation...
  17. ncbi Alzheimer's disease and Helicobacter pylori infection: Defective immune regulation and apoptosis as proposed common links
    Jannis Kountouras
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece
    Med Hypotheses 68:378-88. 2007
    ....
  18. ncbi Increased cerebrospinal fluid Helicobacter pylori antibody in Alzheimer's disease
    Jannis Kountouras
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece
    Int J Neurosci 119:765-77. 2009
    ..Helicobacter pylori (H. pylori) infection may play a role in Alzheimer's disease (AD)...
  19. ncbi Relationship between Helicobacter pylori infection and Alzheimer disease
    J Kountouras
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Greece
    Neurology 66:938-40. 2006
    ..Fifty patients with AD and 30 iron deficiency anemic control participants without AD were included. The histologic prevalence of Hp-I was 88% in patients with AD and 46.7% in controls (p < 0.001)...
  20. ncbi Association between Helicobacter pylori infection and mild cognitive impairment
    J Kountouras
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece
    Eur J Neurol 14:976-82. 2007
    ..This infection might contribute, at least in part, to the pathophysiology of MCI, possibly through induction of chronic atrophic gastritis and elevated Hcy consequences...
  21. ncbi Induction of apoptosis as a proposed pathophysiological link between glaucoma and Helicobacter pylori infection
    Jannis Kountouras
    Department of Gastroenterology, 2nd Medical Clinic, Ippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
    Med Hypotheses 62:378-81. 2004
    ..Importantly, H. pylori infection and glaucoma share the Fas/FasL and the mitochondria-mediated apoptotic pathways, thereby proposing an apoptotic link in the pathophysiology of both diseases...
  22. ncbi Eradication of Helicobacter pylori may be beneficial in the management of chronic open-angle glaucoma
    Jannis Kountouras
    8 Fanariou St, Byzantio, Thessaloniki 551 33, Thessaloniki, Macedonia, Greece
    Arch Intern Med 162:1237-44. 2002
    ..We have documented a high prevalence of Helicobacter pylori infection in patients with glaucoma...
  23. ncbi Efficacy of trimebutine therapy in patients with gastroesophageal reflux disease and irritable bowel syndrome
    J Kountouras
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Greece
    Hepatogastroenterology 49:193-7. 2002
    ..Furthermore, it increases gastric emptying rates, and controls esophageal motility. The aim of this study was to investigate the efficacy of trimebutine therapy in GERD patients with IBS...
  24. ncbi Reactive oxygen metabolites and upper gastrointestinal diseases
    J Kountouras
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital Thessaloniki, Greece
    Hepatogastroenterology 48:743-51. 2001
    ..pylori-related gastric carcinogenesis. Various regimens of reactive oxygen metabolite scavengers appear to be new treatment strategies for upper gastrointestinal diseases...
  25. ncbi Liver regeneration after hepatectomy
    J Kountouras
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital Thessaloniki, Greece
    Hepatogastroenterology 48:556-62. 2001
    ..Based on the knowledge of the regulation of liver regeneration, several practical considerations and potential therapeutic strategies can be applied in humans with hepatic dysfunction due to liver resection...
  26. ncbi Relationship between Helicobacter pylori infection and glaucoma
    J Kountouras
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece
    Ophthalmology 108:599-604. 2001
    ..To determine the frequency of Helicobacter pylori (H. pylori) infection in glaucoma patients and in anemic control participants...
  27. ncbi Omeprazole and regulation of cytokine profile in Helicobacter pylori-infected patients with duodenal ulcer disease
    J Kountouras
    Department of Medicine, Aristotle University of Thessaloniki, Ippokration Hospital, Greece
    Hepatogastroenterology 47:1301-4. 2000
    ..To estimate the cytokine profile in Helicobacter pylori-positive patients with duodenal ulcers treated with omeprazole...
  28. ncbi New concepts of molecular biology for colon carcinogenesis
    J Kountouras
    Department of Medicine, Aristotle University of Thessaloniki, Ippokration Hospital, Greece
    Hepatogastroenterology 47:1291-7. 2000
    ..Other promoters, including hormones, may enhance the likelihood of these events through the stimulation of the rate of cell turnover. Diseased detoxification processes may also play a role in carcinogenesis...
  29. ncbi New epidemiological data on liver oncogenesis
    J Kountouras
    Department of Medicine, Aristotelian University of Thessaloniki, Greece
    Hepatogastroenterology 47:855-61. 2000
    ....
  30. ncbi Apoptosis in hepatitis C
    J Kountouras
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece
    J Viral Hepat 10:335-42. 2003
    ....
  31. ncbi Apoptosis in hepatocellular carcinoma
    Jannis Kountouras
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki Ippokration Hospital, Thessaloniki, Greece
    Hepatogastroenterology 50:242-9. 2003
    ..Lastly, many potential therapeutic strategies, that induce the apoptotic process in various ways, can be applied to the hepatocellular carcinoma management...
  32. ncbi Apoptosis, inflammatory bowel disease and carcinogenesis: overview of international and Greek experiences
    Jannis Kountouras
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Greece
    Can J Gastroenterol 17:249-58. 2003
    ..A balance between cell proliferation (Ki-67 overexpression) and apoptosis (Bax protein overexpression) may partly explain the low incidence of cancer development in Greek inflammatory bowel disease patients...
  33. ncbi Locoregional immunochemotherapy in primary and metastatic liver disease: meta-analysis and review of literature
    Jannis Kountouras
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki Ippokration Hospital, Thessaloniki, Greece
    Hepatogastroenterology 50:1506-10. 2003
    ..However, the efficacy of this therapeutic modality is not yet widely established...
  34. ncbi Increased levels of Helicobacter pylori IgG antibodies in aqueous humor of patients with primary open-angle and exfoliation glaucoma
    Jannis Kountouras
    Graefes Arch Clin Exp Ophthalmol 241:884-90. 2003
    ..pylori-specific IgG antibodies in the aqueous humor and serum of patients with primary open-angle glaucoma (POAG) and patients with exfoliation glaucoma (XFG), and to compare them with those in age-matched cataract patients...
  35. ncbi Familial prevalence of autoimmune disorders in multiple sclerosis in Northern Greece
    Georgia Deretzi
    Department of Neurology, Multiple Sclerosis Unit, Papageorgiou General Hospital, Thessaloniki, Greece
    Mult Scler 16:1091-101. 2010
    ....
  36. ncbi A comparative study of 50% dextrose and normal saline solution on their ability to create submucosal fluid cushions for endoscopic resection of sessile rectosigmoid polyps
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, G Gennimatas General Hospital, Thesaloniki, Greece
    Gastrointest Endosc 68:692-8. 2008
    ..It was hypothesized that 50% dextrose (D(50)) plus E as a hypertonic, inexpensive, and easily available solution might be an ideal alternative for producing and maintaining more-prolonged mucosal elevation...
  37. ncbi Endoscopic mucosal resection of giant laterally spreading tumors with submucosal injection of hydroxyethyl starch: comparative study with normal saline solution
    Kostas Fasoulas
    Department of Endoscopy and Motility Unit, G Gennimatas General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
    Surg Laparosc Endosc Percutan Tech 22:272-8. 2012
    ....
  38. ncbi Serum homocysteine levels in patients with nonalcoholic fatty liver disease
    Stergios A Polyzos
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece
    Ann Hepatol 11:68-76. 2012
    ..Conclusion. Our data suggest that serum HCY levels are lower in NASH compared with NAFL patients and can independently predict NASH. Serum HCY might represent another non-invasive marker for the assessment of NAFLD...
  39. ncbi Serum vitamin B12 and folate levels in patients with non-alcoholic fatty liver disease
    Stergios A Polyzos
    Department of Medicine, Second Medical Clinic, Ippokration Hospital, Aristotle University of Thessaloniki, Simou Lianidi 13, Thessaloniki, Greece
    Int J Food Sci Nutr 63:659-66. 2012
    ..Furthermore, vitamin B12 and folate levels were not associated with either insulin resistance or the severity of liver disease...
  40. ncbi Sequential or simultaneous placement of self-expandable metallic stents for palliation of malignant biliary and duodenal obstruction due to unresectable pancreatic head carcinoma
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Aristotle University of Thessaloniki, Greece
    Surg Laparosc Endosc Percutan Tech 20:410-5. 2010
    ..The aim of this study was to present our experience on the effectiveness of this form of endoscopic treatment...
  41. ncbi Bax upregulation may provide a rationale for the low incidence of esophageal adenocarcinoma in a Greek cohort of patients with Barrett's esophagus
    Dimitrios Chatzopoulos
    Department of Medicine, Second Medical Clinic, Ippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
    Hepatogastroenterology 54:705-9. 2007
    ..Thus, the aim of the study was to provide an explanation for the low incidence of EA in Greece through molecular-based ethnic differentiations...
  42. ncbi Endoscopic management of occluded biliary uncovered metal stents: a multicenter experience
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, G Gennimatas General Hospital, and 2nd Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, 55132, Thessaloniki, Greece
    World J Gastroenterol 17:98-104. 2011
    ..To compare diverse endoscopic interventions in the management of occluded uncovered self-expanding metal stents (SEMSs) that had been placed for palliative treatment of unresectable malignant biliary obstruction...
  43. ncbi Recurrent cholangitis as the first manifestation of an intraductal papillary mucinous tumor of the pancreas
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Ethnikis Aminis 41, T K 54635, Thessaloniki, Greece
    Rom J Gastroenterol 14:169-72. 2005
    ..We describe a 74-year-old man who presented recurrent attacks of cholangitis, due to a common bile duct obstruction from thick pancreatic mucus reflux, as the first manifestation of intraductal papillary mucinous tumor...
  44. ncbi Partially covered vs uncovered sphincterotome and post-endoscopic sphincterotomy bleeding
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Medical School, Aristotle University of Thessaloniki, G Gennimatas General Hospital, 54635 Thessaloniki, Greece
    World J Gastroenterol 16:5077-83. 2010
    ..To prospectively compare partially covered vs uncovered sphincterotome use on post-endoscopic biliary sphincterotomy (ES) hemorrhage and other complications...
  45. ncbi Uncovered Hanaro Versus Luminex metal stents for palliation of malignant biliary strictures
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Thessaloniki, Greece
    J Clin Gastroenterol 42:539-45. 2008
    ..Various types of self-expanding metal stents have been introduced in the market. Whether one type of stents is superior to the others in terms of stent patency remains undefined...
  46. ncbi Prevalence, bowel habit subtypes and medical care-seeking behaviour of patients with irritable bowel syndrome in Northern Greece
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Thessaloniki, Greece
    Eur J Gastroenterol Hepatol 21:183-9. 2009
    ....
  47. ncbi A comparative study of 10-Fr vs. 7-Fr straight plastic stents in the treatment of postcholecystectomy bile leak
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Thessaloniki, Greece
    Surg Endosc 22:101-6. 2008
    ..The aim of the study was to compare the effectiveness of two straight plastic stents with different sizes (10-Fr and 7-Fr) in the treatment of postcholecystectomy bile leak...
  48. ncbi Double major papilla of Vater--a rare endoscopic finding during endoscopic retrograde cholangiopancreatography: a case report
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, G Gennimatas General Hospital, Thessaloniki, Greece
    Cases J 2:163. 2009
    ..A double major papilla of Vater is a rare congenital anomaly with only three documented cases described in the literature...
  49. ncbi Combined endoscopic and ursodeoxycholic acid treatment of biliary cast syndrome in a non-transplant patient
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, and Department of Gastroenterology, Second Medical Clinic, Aristotle University of Thessaloniki, Ethnikis Aminis 41, Thessaloniki 54635, Greece
    World J Gastroenterol 14:5223-5. 2008
    ..We, therefore, propose for the first time, combined endoscopic plus UDCA treatment for the management of biliary cast syndrome...
  50. ncbi Cecal lipoma with pseudomalignant features: a case report and review of the literature
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Ethnikis Aminis 41, 54635, Thessaloniki, Greece
    World J Gastroenterol 13:2510-3. 2007
    ..Based on the colonoscopy findings, right hemicolectomy was laparoscopically performed for a presumptive diagnosis of a cecal adenocarcinoma, but histological examination revealed a colonic lipoma with overlying mucosal ulceration...
  51. ncbi The potential adverse role of leptin resistance in nonalcoholic fatty liver disease: a hypothesis based on critical review of the literature
    Stergios A Polyzos
    Second Medical Clinic, Medical School, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece
    J Clin Gastroenterol 45:50-4. 2011
    ....
  52. ncbi Endoclipping treatment of life-threatening rectal bleeding after prostate biopsy
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, 54635 Thessaloniki, Greece
    World J Gastroenterol 15:1130-3. 2009
    ..Additionally, current data on the complications of the TRUS-guided multiple biopsy of the prostate and the options for treating fulminant rectal bleeding, a consequence of this procedure, are described...
  53. ncbi Diagnostic yield and clinical impact of capsule endoscopy in obscure gastrointestinal bleeding during routine clinical practice: a single-center experience
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, G Gennimatas General Hospital, Thessaloniki, Greece
    Med Princ Pract 20:60-5. 2011
    ..This study assessed the diagnostic yield of capsule endoscopy (CE) and its impact on patients with obscure gastrointestinal bleeding (OGIB)...
  54. ncbi Helicobacter pylori infection upregulates endothelial nitric oxide synthase expression and induces angiogenesis in gastric mucosa of dyspeptic patients
    Georgia Lazaraki
    First Department of Internal Medicine, Gastroenterology Clinic, AHEPA University, Aristotle University of Thessaloniki, Thessaloniki, Greece
    Eur J Gastroenterol Hepatol 20:441-9. 2008
    ..The aim of this study was to evaluate the effect of H. pylori infection in the expression of eNOS in gastric mucosa...
  55. ncbi Endoclipping-assisted resection of large colorectal polyps
    Panagiotis Katsinelos
    Department of Endoscopy, Central Hospital, Thessaloniki, Greece
    Surg Laparosc Endosc Percutan Tech 18:19-23. 2008
    ....
  56. ncbi A case of early depressed-type ampullary carcinoma treated by wire-guided endoscopic resection
    Panagiotis Katsinelos
    Department of Endoscopy, Central Hospital, Thessaloniki, Greece
    Surg Laparosc Endosc Percutan Tech 17:533-7. 2007
    ..Both accurate preoperative staging and proper histologic evaluation of the resected specimen seem to justify endoscopic treatment of early ampullary cancer by an experienced endoscopist...
  57. ncbi Endoscopic hemostasis using monopolar coagulation for postendoscopic sphincterotomy bleeding refractory to injection treatment
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, G Gennimatas General Hospital, Thessaloniki, Greece
    Surg Laparosc Endosc Percutan Tech 20:84-8. 2010
    ..We investigated the efficacy and safety of endoscopically delivered monopolar coagulation through a polypectomy snare in patients with ES-induced bleeding not responding to injection treatment...
  58. ncbi Comparison of three types of precut technique to achieve common bile duct cannulation: a retrospective analysis of 274 cases
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, G Gennimatas General Hospital, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
    Dig Dis Sci 57:3286-92. 2012
    ..The aim of this retrospective study was to evaluate the success rate and complications of three precut techniques of sphincterotomy after failure of conventional techniques of cannulation of common bile duct (CBD)...
  59. ncbi Diagnostic yield and clinical impact of wireless capsule endoscopy in patients with chronic abdominal pain with or without diarrhea: a Greek multicenter study
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, G Gennimatas General Hospital, Thessaloniki, Greece
    Eur J Intern Med 22:e63-6. 2011
    ..We conducted an open-label prospective multi-center study to evaluate the yield and clinical outcome of capsule endoscopy in patients with chronic abdominal pain with/without diarrhea...
  60. ncbi A novel technique for the treatment of a symptomatic giant colonic lipoma
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, G Gennimatas General Hospital, Thessaloniki, Greece
    J Laparoendosc Adv Surg Tech A 17:467-9. 2007
    ....
  61. ncbi Intravenous N-acetylcysteine does not prevent post-ERCP pancreatitis
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Thessaloniki, Greece
    Gastrointest Endosc 62:105-11. 2005
    ..6 +/- 0.9 and 3 +/- 1.5 days, respectively). CONCLUSIONS: The results of this trial show the absence of any beneficial effect of NAC on the incidence and the severity of ERCP-induced pancreatitis...
  62. ncbi Double probe pH-monitoring findings in patients with benign lesions of the true vocal folds: comparison with typical GERD and the effect of smoking
    Athanasios Beltsis
    Department of Endoscopy and Motility Unit, Central Hospital, Ethnikis Aminis 41, Thessaloniki, Greece
    Eur Arch Otorhinolaryngol 268:1169-74. 2011
    ..Our study suggests that LPR+ is more prevalent in patients with TVFLs compared with typical GERD patients and that non-smokers with TVFLs are more likely to have LPR+ than smokers with TVFLs...
  63. ncbi Migration of plastic biliary stents and endoscopic retrieval: an experience of three referral centers
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, G Gennimatas General Hospital, Thesaloniki, Greece
    Surg Laparosc Endosc Percutan Tech 19:217-21. 2009
    ..Proximal or distal migration of a plastic biliary stent is uncommon, but its management can be a technical challenge to the pancreatobiliary endoscopist...
  64. ncbi Efficacy and safety of therapeutic ERCP in patients 90 years of age and older
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Thessaloniki, Greece
    Gastrointest Endosc 63:417-23. 2006
    ..3% of patients in group B. CONCLUSIONS: Therapeutic ERCP is safe and effective for the treatment of pancreatobiliary diseases in extremely elderly patients, and advanced age per se should not impinge on decisions relating to its use...
  65. ncbi Multiple sclerosis, idiopathic dilated cardiomyopathy, and insulin-dependent diabetes mellitus: a common mechanism of irregular immune regulation
    Georgia Deretzi
    Neurology Department, Papageorgiou General Regional Hospital, Thessaloniki, Macedonia, Greece
    Neurologist 17:172-5. 2011
    ....
  66. ncbi Histological presence of Helicobacter pylori bacteria in the trabeculum and iris of patients with primary open-angle glaucoma
    Christos Zavos
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece
    Ophthalmic Res 47:150-6. 2012
    ..To investigate the role of Helicobacter pylori in primary open-angle glaucoma (POAG) pathophysiology by detecting its presence in eye biopsies of POAG patients during trabeculectomy...
  67. ncbi Endoscopic techniques and management of foreign body ingestion and food bolus impaction in the upper gastrointestinal tract: a retrospective analysis of 139 cases
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece
    J Clin Gastroenterol 40:784-9. 2006
    ..CONCLUSIONS: Endoscopic removal of upper gastrointestinal tract foreign bodies and food bolus impaction is efficacious and safe. Especially the Roth net is the best device for safe retrieval of food boluses and button disc batteries...
  68. ncbi Aggressive treatment of acute anal fissure with 0.5% nifedipine ointment prevents its evolution to chronicity
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Ethnikis Aminis 41, TK 54635, Thessaloniki, Greece
    World J Gastroenterol 12:6203-6. 2006
    ..To investigate the efficacy of topical application of 0.5% nifedipine ointment in healing acute anal fissue and preventing its progress to chronicity...
  69. ncbi New molecular concepts of Barrett's esophagus: clinical implications and biomarkers
    Athanassios Kyrgidis
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece
    J Surg Res 125:189-212. 2005
    ..Apart from endoscopy and histology, these data allow for better risk stratification for patients with BE and for more efficient and timely therapeutic approaches...
  70. ncbi Long-term botulinum toxin treatment for dysphagia due to large epiphrenic diverticulum in elderly patients: a report of two cases
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Thessaloniki, Greece
    Dysphagia 24:109-13. 2009
    ..During the long-term follow-up, the patients developed symptomatic relapses treated by subsequent botulinum toxin solution reinjections resulting in longer-lasting symptom relief...
  71. ncbi Volume reduction of a giant pedunculated colonic polyp after endoclipping facilitates endoscopic resection
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Thessaloniki, Greece
    Surg Laparosc Endosc Percutan Tech 19:e228-9. 2009
    ..We describe a novel use of endoclips that induces significant polyp volume reduction, thereby facilitating the endoscopic removal of giant pedunculated polyps...
  72. ncbi A pyogenous gastric abscess that developed following ingestion of a piece of a wooden skewer: successful treatment with endoscopic incision
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, G Gennimatas Hospital, Ethnikis Aminis 41, 54635 Thessaloniki, Greece
    J Gastrointestin Liver Dis 16:113-5. 2007
    ..A 2.5 cm long piece of a wooden skewer was found to be embedded into the area of the bulge and was retrieved...
  73. ncbi Antiphospholipid syndrome in Greece: clinical and immunological study and review of the literature
    Panagiota Boura
    Outpatient Clinic, 2nd Department of Internal Medicine, Aristotle University of Thessaloniki, Hippokration Hospital, Greece
    Angiology 55:421-30. 2004
    ..05), compared to other studies. Differences between these findings and those described by others concerning epidemiologic, clinical, or immunologic data are discussed...
  74. ncbi High prevalence of Helicobacter pylori infection in Greek patients with myelodysplastic syndromes
    Michael D Diamantidis
    Hematology Unit, Second Department of Internal Medicine, Aristotle University of Thessaloniki, Hippokration General Hospital, Thessaloniki, Greece
    Acta Haematol 124:141-9. 2010
    ..e. the Campylobacter-like organism (CLO) test, and cresyl violet staining. Peripheral blood (PB) flow cytometry for CD3, CD4, CD8, CD14, CD19 and CD34 was conducted in 35 patients and in controls...
  75. ncbi Alopecia areata, primary sclerosing cholangitis, and ulcerative colitis: autoimmunity and apoptosis as common links?
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Thessaloniki, Greece
    Dig Dis Sci 52:1288-92. 2007
  76. ncbi Effects of mastic gum Pistacia lentiscus var. Chia on innate cellular immune effectors
    Filippos Kottakis
    Laboratory of Biochemistry, School of Chemistry, American Hellenic Educational Progressive Association Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
    Eur J Gastroenterol Hepatol 21:143-9. 2009
    ..pylori-infected patients and healthy controls...
  77. ncbi Relationship between obesity and gastroesophageal reflux disease as recorded by 3-hour esophageal pH monitoring
    Georgios Kouklakis
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Macedonia, Greece
    Rom J Gastroenterol 14:117-21. 2005
    ..To evaluate the presence of gastroesophageal reflux disease (GERD) in a Greek cohort in relationship to the body mass index (BMI), using the 3-hr postprandial esophageal pH monitoring...
  78. ncbi Endoscopic mucosal resection of large sessile colorectal polyps with submucosal injection of hypertonic 50 percent dextrose-epinephrine solution
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Thessaloniki, Macedonia 551 33, Greece
    Dis Colon Rectum 49:1384-92. 2006
    ..CONCLUSIONS: Endoscopic mucosal resection after submucosal hypertonic dextrose plus epinephrine solution injection, with an intensive follow-up program, seems to be a safe and effective treatment for large sessile colorectal polyps...
  79. ncbi Nonalcoholic fatty liver disease: the pathogenetic roles of insulin resistance and adipocytokines
    Stergios A Polyzos
    Department of Medicine, Second Medical Clinic, Medical School, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece
    Curr Mol Med 9:299-314. 2009
    ..Understanding these complex mechanisms has evoked new therapeutic approaches, which may provide promising results to date...
  80. ncbi High-dose allopurinol for prevention of post-ERCP pancreatitis: a prospective randomized double-blind controlled trial
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Thessaloniki, Greece
    Gastrointest Endosc 61:407-15. 2005
    ..Despite the promising results of this prospective, randomized trial, further studies are needed to verify these observations before allopurinol can be recommended for routine clinical use...
  81. ncbi Long-term results of pneumatic dilation for achalasia: a 15 years' experience
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Thessaloniki, Greece
    World J Gastroenterol 11:5701-5. 2005
    ..3% after 5, 10 and 15 years respectively. CONCLUSION: Balloon dilation is a safe and effective treatment for primary achalasia. Post-dilation LES pressure estimation may be useful in assessing response...
  82. ncbi Diffuse gastric carcinoid polyposis in multiple endocrine neoplasia 1 syndrome without hypergastrinemia
    Panagiotis Katsinelos
    Department of Endoscopy and Motility Unit, Central Hospital, Thessaloniki, Greece
    Gastrointest Endosc 66:411-2. 2007
  83. ncbi New aspects of regulatory signaling pathways and novel therapies in pancreatic cancer
    Michael Diamantidis
    Department of Medicine, Second Medical Clinic, Aristotle University of Thessaloniki, Ippokration Hospital, Thessaloniki, Greece
    Curr Mol Med 8:12-37. 2008
    ....
  84. ncbi Molecular mechanisms associated with aggressiveness of alpha-fetoprotein-positive gastric cancer
    Jannis Kountouras
    Hepatogastroenterology 54:329-30. 2007
  85. ncbi Helicobacter pylori may be involved in cognitive impairment and dementia development through induction of atrophic gastritis, vitamin B-12 folate deficiency, and hyperhomocysteinemia sequence
    Jannis Kountouras
    Am J Clin Nutr 86:805-6; author reply 806-7. 2007
  86. ncbi Helicobacter pylori infection as a risk factor for primary open-angle glaucoma
    Jannis Kountouras
    Clin Experiment Ophthalmol 36:196. 2008
  87. ncbi Therapy for colorectal cancer
    Jannis Kountouras
    N Engl J Med 352:1820-1; author reply 1822. 2005
  88. ncbi Autoimmune pancreatitis, Helicobacter pylori infection, and apoptosis: a proposed relationship
    Jannis Kountouras
    Pancreas 30:192-3. 2005
  89. ncbi Less H. pylori not necessarily more GERD
    Jannis Kountouras
    Am J Gastroenterol 100:249-50. 2005
  90. ncbi Primary open-angle glaucoma: pathophysiology and treatment
    Jannis Kountouras
    Lancet 364:1311-2. 2004
  91. ncbi Apolipoprotein E polymorphisms in patients with primary open-angle glaucoma
    Jannis Kountouras
    Am J Ophthalmol 144:638-9; author reply 639. 2007
  92. ncbi Helicobacter pylori infection and the risk for coronary artery disease
    Jannis Kountouras
    Saudi Med J 25:679-80, author reply 680-1. 2004
  93. ncbi Helicobacter pylori and glaucoma
    Jannis Kountouras
    Ophthalmology 110:2433-4; author reply 2434. 2003
  94. ncbi Anti-tumor necrosis factor therapy for ulcerative colitis
    Jannis Kountouras
    Gastroenterology 129:1138-9. 2005
  95. ncbi Helicobacter pylori infection might protect from the leukaemic transformation of myelodysplastic syndromes
    Michail D Diamantidis
    Med Hypotheses 71:159-60. 2008
  96. ncbi The role of gastric Helicobacter pylori infection in laryngopharyngeal reflux disease
    Jannis Kountouras
    Otolaryngol Head Neck Surg 136:334; author reply 334-5. 2007
  97. ncbi Mitogen-activated protein kinase (MAPK) intracellular signalling in the aqueous humour activated by Helicobacter pylori may have a role in glaucoma
    Christos Zavos
    Med Hypotheses 68:928-9. 2007
  98. ncbi Helicobacter pylori and multiple sclerosis
    Emmanuel Gavalas
    J Neuroimmunol 188:187-9; author reply 190. 2007
  99. ncbi Helicobacter pylori and gastro-oesophageal reflux disease
    Jannis Kountouras
    Lancet 368:986; author reply 986-7. 2006
  100. ncbi Normal-tension glaucoma and Alzheimer's disease: Helicobacter pylori as a possible common underlying risk factor
    Jannis Kountouras
    Med Hypotheses 68:228-9. 2007
  101. ncbi Challenge in the pathogenesis of autoimmune pancreatitis: potential role of helicobacter pylori infection via molecular mimicry
    Jannis Kountouras
    Gastroenterology 133:368-9. 2007