Με αφοσίωση στη διαρκή επιμόρφωση και την ενημέρωση πάνω στις τελευταίες εξελίξεις του κλάδου του, ο Δρ. Τσιάκος συμμετέχει ενεργά σε διεθνή και εθνικά ιατρικά συνέδρια και εκπαιδευτικά σεμινάρια. Έχει δημοσιεύσει πολλές επιστημονικές εργασίες σε έγκριτα διεθνή επιστημονικά περιοδικά, όπως:

• Early (mucosal) gastric cancer with synchronous osteosclerotic bone metastases: a case report.

Anagnostopoulos G, Sakorafas GH, Kostopoulos P, Margantinis G, Tsiakos S, Pavlakis G.
Eur J Cancer Care (Engl). 2010 Jul;19(4):554-7. Epub 2009 Aug 26.PMID: 19709172 [PubMed – in process]

• Postinfantile giant-cell hepatitis associated with ulcerative colitis and autoimmune hepatitis.

  Anagnostopoulos GK, Margantinis G, Tsiakos S, Kostopoulos P, Grigoriadis K, Arvanitidis D. J Gastroenterol Hepatol. 2006 Dec;21(12):1863-4.PMID: 17074032 [PubMed – indexed for MEDLINE]

• Post-ERCP/endoscopic sphincterotomy duodenal perforation is not always a surgical emergency.

Margantinis G, Sakorafas GH, Kostopoulos P, Kontou S, Tsiakos S, Arvanitidis D. Dig Liver Dis. 2006 Jun;38(6):434-6. Epub 2005 Dec 2. No abstract available.

• Elevation of serum liver enzymes after laparoscopic cholecystectomy.

Sakorafas G, Anagnostopoulos G, Stafyla V, Koletis T, Kotsifopoulos N, Tsiakos S, Kassaras G. N Z Med J. 2005 Feb 25;118(1210):U1317.PMID: 15776093 [PubMed – indexed for MEDLINE]

• Hepatitis caused by occupational chronic exposure to trichloroethylene.

Anagnostopoulos G, Sakorafas GH, Grigoriadis K, Margantinis G, Kostopoulos P, Tsiakos S, Arvanitidis D. Acta Gastroenterol Belg. 2004 Oct-Dec;67(4):355-7.PMID: 15727081 [PubMed – indexed for MEDLINE]

• Disseminated colon cancer with severe peripheral blood eosinophilia and elevated serum levels of interleukine-2, interleukine-3, interleukine-5, and GM-CSF.

Anagnostopoulos GK, Sakorafas GH, Kostopoulos P, Margantinis G, Tsiakos S, Terpos E, Pavlakis G, Fortun P, Arvanitidis D. J Surg Oncol. 2005 Mar 15;89(4):273-5. No abstract available. PMID: 15726608 [PubMed – indexed for MEDLINE]

• Cholecystocolic fistula demonstrated by endoscopic retrograde cholangiopancreatography.

Arvanitidis D, Anagnostopoulos GK, Tsiakos S, Margantinis G, Kostopoulos P. Postgrad Med J. 2004 Sep;80(947):526. No abstract available. PMID: 15356353 [PubMed – indexed for MEDLINE]

• Esomeprazole versus omeprazole for the eradication of Helicobacter pylori infection: results of a randomized controlled study.

Anagnostopoulos GK, Tsiakos S, Margantinis G, Kostopoulos P, Arvanitidis D. J Clin Gastroenterol. 2004 Jul;38(6):503-6.PMID: 15220685 [PubMed – indexed for MEDLINE]

• Can somatostatin prevent post-ERCP pancreatitis? Results of a randomized controlled trial.

Arvanitidis D, Anagnostopoulos GK, Giannopoulos D, Pantes A, Agaritsi R, Margantinis G, Tsiakos S, Sakorafas G, Kostopoulos P. J Gastroenterol Hepatol. 2004 Mar;19(3):278-82.PMID: 14748874 [PubMed – indexed for MEDLINE]

• Liver cirrhosis observed in a patient with chronic excessive menthol intake.

Anagnostopoulos GK, Margantinis G, Tsiakos S, Kostopoulos P, Arvanitidis D. J Gastroenterol Hepatol. 2004 Feb;19(2):239-40. No abstract available. PMID: 14731143 [PubMed – indexed for MEDLINE]

• Myopericarditis associated with ulcerative colitis.

Anagnostopoulos G, Margantinis G, Tsiakos S, Kostopoulos P, Pantes A, Arvanitidis D. N Z Med J. 2003 Nov 7;116(1185):U667. No abstract available. PMID: 14615809 [PubMed – indexed for MEDLINE]

• Fulminant pancreatitis associated with ramipril therapy.

Anagnostopoulos GK, Kostopoulos P, Tsiakos S, Margantinis G, Arvanitidis D. Pancreas. 2003 Oct;27(3):278-9. No abstract available. PMID: 14508138 [PubMed – indexed for MEDLINE]

• Is hepatocellular carcinoma part of the natural history of nonalcoholic steatohepatitis?

Anagnostopoulos GK, Arvanitidis D, Tsiakos S, Margantinis G, Grigoriadis K, Kostopoulos P. J Clin Gastroenterol. 2003 Jul;37(1):88-9. No abstract available. PMID: 12811221 [PubMed – indexed for MEDLINE]

• Acute pancreatitis due to pravastatin therapy.

Anagnostopoulos GK, Tsiakos S, Margantinis G, Kostopoulos P, Arvanitidis D. JOP. 2003 May;4(3):129-32. Review.PMID: 12743419 [PubMed – indexed for MEDLINE]Free Article

• Omeprazole plus azithromycin and either amoxicillin or tinidazole for eradication of Helicobacter pylori infection.

Anagnostopoulos GK, Kostopoulos P, Margantinis G, Tsiakos S, Arvanitidis D. J Clin Gastroenterol. 2003 Apr;36(4):325-8.PMID: 12642739 [PubMed – indexed for MEDLINE]