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Gastrointestinal involvement in COVID-19 patients: a retrospective study from a Greek COVID-19 referral hospital.
Tsibouris P, Ekmektzoglou K, Agorogianni A, Kalantzis C, Theofanopoulou A, Toumbelis K, Petrogiannopoulos L, Poutakidis C, Goggaki S, Braimakis I, Vlachou E, Pouliakis A, Apostolopoulos P. Tsibouris P, et al. Among authors: kalantzis c. Ann Gastroenterol. 2020 Sep-Oct;33(5):465-472. doi: 10.20524/aog.2020.0514. Epub 2020 Jun 30. Ann Gastroenterol. 2020. PMID: 32879592 Free PMC article.
Capsule endoscopy findings in a case of intestinal sarcoidosis.
Tsibouris P, Kalantzis C, Alexandrakis G, Zeibekoglou K, Apostolopoulos P, Kalantzis N. Tsibouris P, et al. Among authors: kalantzis n, kalantzis c. Endoscopy. 2009;41 Suppl 2:E191. doi: 10.1055/s-0029-1214778. Epub 2009 Jul 27. Endoscopy. 2009. PMID: 19637121 No abstract available.
Clinical trial: effectiveness of chewing-gum in accelerating capsule endoscopy transit time--a prospective randomized, controlled pilot study.
Apostolopoulos P, Kalantzis C, Gralnek IM, Liatsos C, Tsironis C, Kalantzis N. Apostolopoulos P, et al. Among authors: kalantzis n, kalantzis c. Aliment Pharmacol Ther. 2008 Aug 15;28(4):405-11. doi: 10.1111/j.1365-2036.2008.03762.x. Epub 2008 Jun 11. Aliment Pharmacol Ther. 2008. PMID: 18549462 Free article. Clinical Trial.
The role of wireless capsule endoscopy in investigating unexplained iron deficiency anemia after negative endoscopic evaluation of the upper and lower gastrointestinal tract.
Apostolopoulos P, Liatsos C, Gralnek IM, Giannakoulopoulou E, Alexandrakis G, Kalantzis C, Gabriel P, Kalantzis N. Apostolopoulos P, et al. Among authors: kalantzis n, kalantzis c. Endoscopy. 2006 Nov;38(11):1127-32. doi: 10.1055/s-2006-944736. Endoscopy. 2006. PMID: 17111335 Clinical Trial.
Validation of the Capsule Endoscopy Crohn's Disease Activity Index (CECDAI or Niv score): a multicenter prospective study.
Niv Y, Ilani S, Levi Z, Hershkowitz M, Niv E, Fireman Z, O'Donnel S, O'Morain C, Eliakim R, Scapa E, Kalantzis N, Kalantzis C, Apostolopoulos P, Gal E. Niv Y, et al. Among authors: kalantzis n, kalantzis c. Endoscopy. 2012 Jan;44(1):21-6. doi: 10.1055/s-0031-1291385. Epub 2011 Nov 28. Endoscopy. 2012. PMID: 22125196 Clinical Trial.
57 results