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Endoscopist-administered propofol sedation is safe - a prospective evaluation of 10,000 patients in an outpatient practice.
Friedrich K, Stremmel W, Sieg A. Friedrich K, et al. J Gastrointestin Liver Dis. 2012 Sep;21(3):259-63. J Gastrointestin Liver Dis. 2012. PMID: 23012666
Survival in patients with colorectal cancer diagnosed by screening colonoscopy.
Friedrich K, Grüter L, Gotthardt D, Eisenbach C, Stremmel W, Scholl SG, Rex DK, Sieg A. Friedrich K, et al. Gastrointest Endosc. 2015 Jul;82(1):133-7. doi: 10.1016/j.gie.2014.12.048. Epub 2015 May 16. Gastrointest Endosc. 2015. PMID: 25986151
Is PillCam COLON capsule endoscopy ready for colorectal cancer screening? A prospective feasibility study in a community gastroenterology practice.
Sieg A, Friedrich K, Sieg U. Sieg A, et al. Among authors: friedrich k. Am J Gastroenterol. 2009 Apr;104(4):848-54. doi: 10.1038/ajg.2008.163. Epub 2009 Feb 24. Am J Gastroenterol. 2009. PMID: 19240710
Perspectives of colorectal cancer screening in Germany 2009.
Sieg A, Friedrich K. Sieg A, et al. Among authors: friedrich k. World J Gastrointest Endosc. 2009 Oct 15;1(1):12-6. doi: 10.4253/wjge.v1.i1.12. World J Gastrointest Endosc. 2009. PMID: 21160645 Free PMC article.
Safety analysis of endoscopist-directed propofol sedation: a prospective, national multicenter study of 24 441 patients in German outpatient practices.
Sieg A; bng-Study-Group, Beck S, Scholl SG, Heil FJ, Gotthardt DN, Stremmel W, Rex DK, Friedrich K. Sieg A, et al. Among authors: friedrich k. J Gastroenterol Hepatol. 2014 Mar;29(3):517-23. doi: 10.1111/jgh.12458. J Gastroenterol Hepatol. 2014. PMID: 24716213
Respiratory complications in outpatient endoscopy with endoscopist-directed sedation.
Friedrich K, Scholl SG, Beck S, Gotthardt D, Stremmel W, Rex DK; bng-Study-Group, Sieg A. Friedrich K, et al. J Gastrointestin Liver Dis. 2014 Sep;23(3):255-9. doi: 10.15403/jgld.2014.1121.233.kf1. J Gastrointestin Liver Dis. 2014. PMID: 25267952
Anesthesiologist-Administered Gastrointestinal Sedation: Time to Put It to Sleep?
Friedrich K, Stremmel W. Friedrich K, et al. Dig Dis Sci. 2015 Sep;60(9):2566-7. doi: 10.1007/s10620-015-3703-z. Epub 2015 May 19. Dig Dis Sci. 2015. PMID: 25986521 No abstract available.
Serum miRNA-122 is an independent biomarker of survival in patients with primary sclerosing cholangitis.
Friedrich K, Baumann C, Wannhoff A, Rupp C, Mehrabi A, Weiss KH, Gotthardt DN. Friedrich K, et al. J Gastrointestin Liver Dis. 2018 Jun;27(2):145-150. doi: 10.15403/jgld.2014.1121.272.cho. J Gastrointestin Liver Dis. 2018. PMID: 29922759
First clinical trial of a newly developed capsule endoscope with panoramic side view for small bowel: a pilot study.
Friedrich K, Gehrke S, Stremmel W, Sieg A. Friedrich K, et al. J Gastroenterol Hepatol. 2013 Sep;28(9):1496-501. doi: 10.1111/jgh.12280. J Gastroenterol Hepatol. 2013. PMID: 23701674 Clinical Trial.
A frequent PNPLA3 variant is a sex specific disease modifier in PSC patients with bile duct stenosis.
Friedrich K, Rupp C, Hov JR, Steinebrunner N, Weiss KH, Stiehl A, Brune M, Schaefer PK, Schemmer P, Sauer P, Schirmacher P, Runz H, Karlsen TH, Stremmel W, Gotthardt DN. Friedrich K, et al. PLoS One. 2013;8(3):e58734. doi: 10.1371/journal.pone.0058734. Epub 2013 Mar 7. PLoS One. 2013. PMID: 23505555 Free PMC article.
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