Items where Author is "Messmann, Helmut"
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Prelog, Martina and Jeske, Samuel D. and Asam, Claudia and Fuchs, Andre and Wieser, Andreas and Gall, Christine and Wytopil, Monika and Mueller-Schmucker, Sandra M. and Beileke, Stephanie and Goekkaya, Mehmet and Kling, Elisabeth and Geldmacher, Christof and Rubio-Acero, Raquel and Plank, Michael and Christa, Catharina and Willmann, Annika and Vu, Martin and Einhauser, Sebastian and Weps, Manuela and Lampl, Benedikt M. J. and Almanzar, Giovanni and Kousha, Kimia and Schwaegerl, Valeria and Liebl, Bernhard and Weber, Beatrix and Drescher, Johannes and Scheidt, Joerg and Gefeller, Olaf and Messmann, Helmut and Protzer, Ulrike and Liese, Johannes and Hoelscher, Michael and Wagner, Ralf and Ueberla, Klaus and Steininger, Philipp (2024) Clinical and immunological benefits of full primary COVID-19 vaccination in individuals with SARS-CoV-2 breakthrough infections: A prospective cohort study in non-hospitalized adults. JOURNAL OF CLINICAL VIROLOGY, 170: 105622. ISSN 1386-6532, 1873-5967
Einhauser, Sebastian and Asam, Claudia and Weps, Manuela and Senninger, Antonia and Peterhoff, David and Bauernfeind, Stilla and Asbach, Benedikt and Carnell, George William and Heeney, Jonathan Luke and Wytopil, Monika and Fuchs, Andre and Messmann, Helmut and Prelog, Martina and Liese, Johannes and Jeske, Samuel D. and Protzer, Ulrike and Hoelscher, Michael and Geldmacher, Christof and Ueberla, Klaus and Steininger, Philipp and Wagner, Ralf (2024) Longitudinal effects of SARS-CoV-2 breakthrough infection on imprinting of neutralizing antibody responses. EBIOMEDICINE, 110: 105438. ISSN 2352-3964
Bartenschlager, Christina and Grieger, Milena and Erber, Johanna and Neidel, Tobias and Borgmann, Stefan and Vehreschild, Joerg J. and Steinbrecher, Markus and Rieg, Siegbert and Stecher, Melanie and Dhillon, Christine and Ruethrich, Maria and Jakob, Carolin E. M. and Hower, Martin and Heller, Axel and Vehreschild, Maria and Wyen, Christoph and Messmann, Helmut and Piepel, Christiane and Brunner, Jens and Hanses, Frank and Roemmele, Christoph and LEOSS Study Grp, (2023) Covid-19 triage in the emergency department 2.0: how analytics and AI transform a human-made algorithm for the prediction of clinical pathways. HEALTH CARE MANAGEMENT SCIENCE, 26 (3). pp. 412-429. ISSN 1386-9620, 1572-9389
Brill, Richard and Goldann, Constantin and Walldorf, Jens and Messmann, Helmut and Brill, Eva and Uller, Wibke and Michl, Patrick and Wildgruber, Moritz and Wohlgemuth, Walter A. and Rosendahl, Jonas (2021) Fluoroscopy-guided endoscopic sclerotherapy: a novel hybrid approach for symptomatic rectosigmoidal venous malformation (with video). GASTROINTESTINAL ENDOSCOPY, 93 (2). pp. 496-502. ISSN 0016-5107, 1097-6779
Zellmer, Stephan and Hanses, Frank and Muzalyova, Anna and Classen, Johanna and Braun, Georg and Piepel, Christiane and Erber, Johanna and Pilgram, Lisa and Walter, Lorenz and Goepel, Siri and Wille, Kai and Hower, Martin and Ruethrich, Maria Madeleine and Rupp, Jan and Degenhardt, Christian and Voigt, Ingo and Borgmann, Stefan and Stecher, Melanie and Jakob, Carolin and Dhillon, Christine and Messmann, Helmut and Ebigbo, Alanna and Roemmele, Christoph (2021) Gastrointestinal bleeding and endoscopic findings in critically and non-critically ill patients with corona virus disease 2019 (COVID-19): Results from Lean European Open Survey on SARS-CoV-2 (LEOSS) and COKA registries. UNITED EUROPEAN GASTROENTEROLOGY JOURNAL, 9 (9). pp. 1081-1090. ISSN 2050-6406, 2050-6414
Lippert, Elisabeth and Ruemmele, Petra and Obermeier, Florian and Goelder, Stefan and Kunst, Claudia and Rogler, Gerhard and Dunger, Nadja and Messmann, Helmut and Hartmann, Arndt and Endlicher, Esther (2017) Anthocyanins Prevent Colorectal Cancer Development in a Mouse Model. DIGESTION, 95 (4). pp. 275-280. ISSN 0012-2823, 1421-9867
Endlicher, Esther and Schnoy, Elisabeth and Troppmann, Martina and Rogler, Gerhard and Messmann, Helmut and Klebl, Frank and Gelbmann, Cornelia and Kullmann, Frank (2016) Irinotecan Plus Gemcitabine and Fluorouracil in Advanced Biliary Tract Cancer: A Retrospective Study. DIGESTION, 93 (3). pp. 229-233. ISSN 0012-2823, 1421-9867
Lippert, Elisabeth and Messmann, Helmut and Endlicher, Esther (2011) Are there gender-specific differences in reflux disease and Barrett's oesophagus? JOURNAL OF MENS HEALTH, 8 (1). pp. 16-20. ISSN 1875-6867, 1875-6859
Ratiu, Nadia and Gelbmann, Cornelia and Rath, Heiko C. and Herfarth, Hans and Kullmann, Frank and Schoelmerich, Juergen and Messmann, Helmut (2007) Chromoendoscopy with indigo carmine in flexible sigmoidoscopy screening: Does it improve the detection of adenomas in the distal colon and rectum? JOURNAL OF GASTROINTESTINAL AND LIVER DISEASES, 16 (2). pp. 153-156. ISSN 1841-8724
Klebl, Frank H. and Bregenzer, Nicole and Schoefer, Lars and Tamme, Wolfgang and Langgartner, Julia and Schoelmerich, Juergen and Messmann, Helmut (2005) Comparison of inpatient and outpatient upper gastrointestinal haemorrhage. INTERNATIONAL JOURNAL OF COLORECTAL DISEASE, 20 (4). pp. 368-375. ISSN 0179-1958
Klebl, Frank and Bregenzer, Nicole and Schoefer, Lars and Tamme, Wolfgang and Langgartner, Julia and Schoelmerich, Juergen and Messmann, Helmut (2005) Risk factors for mortality in severe upper gastrointestinal bleeding. INTERNATIONAL JOURNAL OF COLORECTAL DISEASE, 20 (1). pp. 49-56. ISSN 0179-1958, 1432-1262
Endlicher, Esther and Ruemmele, Petra and Hausmann, Florian and Rath, Heiko C. and Knuechel, Ruth and Krieg, Rene C. and Schoelmerich, Juergen and Messmann, Helmut (2004) Detection of dysplastic lesions by fluorescence in a model of chronic colitis in rats after local application of 5-aminolevulinic acid and its esterified derivatives. PHOTOCHEMISTRY AND PHOTOBIOLOGY, 79 (2). pp. 189-192. ISSN 0031-8655, 1751-1097
Messmann, Helmut and Schmidbaur, Werner and Jaeckle, Jürgen and Fuerst, Alois and Lesalnieks, Igors (2004) Endoscopic and surgical management of leakage and mediastinitis after esophageal surgery. BEST PRACTICE & RESEARCH CLINICAL GASTROENTEROLOGY, 18 (5). pp. 809-827. ISSN 1521-6918, 1532-1916
Endlicher, Esther and Gelbmann, Cornelia M. and Knuechel, Ruth and Fuerst, Alois and Szeimies, Rolf M. and Goelder, Stefan K. and Schoelmerich, Juergen and Lottner, Christian and Messmann, Helmut (2004) Hexaminolevulinate-induced fluorescence endoscopy in patients with rectal adenoma and cancer: a pilot study. GASTROINTESTINAL ENDOSCOPY, 60 (3): PII S0016-. pp. 449-454. ISSN 0016-5107
Rabenstein, Thomas and Fischer, Bernhard and Wiessner, Volkmar and Schmidt, Harald and Radespiel-Troeger, Martin and Hochberger, Jürgen and Muehldorfer, Steffen and Nusko, Gerhard and Messmann, Helmut and Schoelmerich, Juergen and Schulz, Hans-Joachim and Schoenekaes, Herbert and Hahn, Eckhart Gustav and Schneider, Hans Thomas (2004) Low-molecular-weight heparin does not prevent acute post-ERCP pancreatitis. GASTROINTESTINAL ENDOSCOPY, 59 (6). pp. 606-613. ISSN 0016-5107
Bartsch, Detlef K. and Kress, Ralf and Sina-Frey, Mercedes and Gruetzmann, Robert and Gerdes, Berthold and Pilarsky, Christian and Heise, Joachim W. and Schulte, Klaus-Martin and Colombo-Benkmann, Mario and Schleicher, Cristina and Witzigmann, Helmut and Pridoehl, Olaf and Ghadimi, Michael B. and Horstmann, Olaf and von Bernstorff, Wolfgang and Jochimsen, Lisa and Schmidt, Jan and Eisold, Sven and Estevez-Schwarz, Lope and Hahn, Stephan A. and Schulmann, Karsten and Boecker, Wolfgang and Gress, Thomas M. and Zuegel, Nikolaus and Breitschaft, Karl and Prenzel, Klaus and Messmann, Helmut and Endlicher, Esther and Schneider, Margarete and Ziegler, Andreas and Schmiegel, Wolff and Schaefer, Helmut and Rothmund, Matthias and Rieder, Harald (2004) Prevalence of familial pancreatic cancer in Germany. INTERNATIONAL JOURNAL OF CANCER, 110 (6). pp. 902-906. ISSN 0020-7136
Messmann, Helmut and Endlicher, E. and Freunek, G. and Ruemmele, P. and Schoelmerich, Juergen and Knuechel, R. (2003) Fluorescence endoscopy for the detection of low and high grade dysplasia in ulcerative colitis using systemic or local 5-aminolaevulinic acid sensitisation. GUT, 52 (7). pp. 1003-1007. ISSN 0017-5749
Reichle, Albrecht and Bolder, Ulrich and Bataille, Frauke and Messmann, Helmut and Wagner, H. and Zaiss, M. and Wild, P. and Hofstaedter, Ferdinand and Andreesen, Reinhard and Jauch, K. W. (2003) A multimodal treatment approach including high-dose chemotherapy in very advanced gastric cancer: evidence for control of metastatic disease. BONE MARROW TRANSPLANTATION, 32 (7). pp. 665-671. ISSN 0268-3369
Ehrenstein, Boris P. and Salamon, Lea and Linde, Hans-Joerg and Messmann, Helmut and Schoelmerich, Juergen and Glueck, Thomas (2002) Clinical determinants for the recovery of fungal and mezlocillin-resistant pathogens from bile specimens. CLINICAL INFECTIOUS DISEASES, 34 (7). pp. 902-908. ISSN 1058-4838
Messmann, Helmut and Endlicher, E. and Gelbmann, C. M. and Schoelmerich, Juergen (2002) Fluorescence endoscopy and photodynamic therapy. DIGESTIVE AND LIVER DISEASE, 34 (10). pp. 754-761. ISSN 1590-8658, 1878-3562
Krieg, René C. and Messmann, Helmut and Rauch, Joachim and Seeger, Stefan and Knuechel, Ruth (2002) Metabolic characterization of tumor cell-specific protoporphyrin IX accumulation after exposure to 5-aminolevulinic acid in human colonic cells. PHOTOCHEMISTRY AND PHOTOBIOLOGY, 76 (5). pp. 518-525. ISSN 0031-8655, 1751-1097
Anthuber, Matthias and Mayr, Max and Messmann, Helmut and Jauch, Karl-Walter (2002) A laparoscopic approach for the treatment of lower third esophageal diverticula. LANGENBECKS ARCHIVES OF SURGERY, 386 (8). pp. 582-586. ISSN 1435-2443
Kullmann, Frank and Messmann, Helmut and Alt, Marianne and Gross, Volker and Bocker, Tina and Schoelmerich, Juergen and Rueschoff, Josef (2001) Clinical and histopathological features of dextran sulfate sodium induced acute and chronic colitis associated with dysplasia in rats. INTERNATIONAL JOURNAL OF COLORECTAL DISEASE, 16 (4). pp. 238-246. ISSN 0179-1958, 1432-1262
Zietz, Bettina and Wengler, Irina and Messmann, Helmut and Lock, Guntram and Schoelmerich, Juergen and Straub, Rainer H. (2001) Early shifts of adrenal steroid synthesis before and after relief of short-term cholestasis. JOURNAL OF HEPATOLOGY, 35 (3). pp. 329-337. ISSN 0168-8278, 1600-0641
Endlicher, Esther and Knuechel, Ruth and Fuerst, Alois and Schoelmerich, Juergen and Messmann, Helmut (2001) Endoscopic fluorescence detection of an adenocarcinoma in Barrett's esophagus after sensitization with 5-aminolevulinic acid. MEDIZINISCHE KLINIK, 96 (3). pp. 157-160. ISSN 0723-5003, 1615-6722
Endlicher, Esther and Knuechel, Ruth and Hauser, T. and Szeimies, Rolf-Markus and Schoelmerich, Juergen and Messmann, Helmut (2001) Endoscopic fluorescence detection of low and high grade dysplasia in Barrett's oesophagus using systemic or local 5-aminolaevulinic acid sensitisation. GUT, 48 (3). pp. 314-319. ISSN 0017-5749
Endlicher, E. and Ruemmele, Petra and Hausmann, F. and Krieg, R. and Knuechel, Ruth and Rath, H. and Schoelmerich, Juergen and Messmann, Helmut (2001) Protoporphyrin IX distribution following local application of 5-aminolevulinic acid and its esterified derivatives in the tissue layers of the normal rat colon. BRITISH JOURNAL OF CANCER, 85 (10). pp. 1572-1576. ISSN 0007-0920
Messmann, Helmut and Schlottmann, Klaus (2001) Role of endoscopy in the staging of esophageal and gastric cancer. SEMINARS IN SURGICAL ONCOLOGY, 20 (2). pp. 78-81. ISSN 8756-0437
Messmann, Helmut (2001) Squamous cell cancer of the oesophagus. BEST PRACTICE & RESEARCH CLINICAL GASTROENTEROLOGY, 15 (2). pp. 249-265. ISSN 1521-6918, 1532-1916
Endlicher, Esther and Knuechel, Ruth and Messmann, Helmut (2001) Surveillance of patients with Barrett's esophagus. ZEITSCHRIFT FUR GASTROENTEROLOGIE, 39 (8). pp. 593-600. ISSN 0044-2771, 1439-7803
Mehringer, Stefan and Vogt, Thomas and Jabusch, Hans-Christian and Kroiss, Maximilian and Fuerst, Alois and Schoelmerich, Juergen and Messmann, Helmut (2001) Treatment of panniculitis in chronic pancreatitis by interventional endoscopy following extracorporeal lithotripsy. GASTROINTESTINAL ENDOSCOPY, 53 (1). pp. 104-107. ISSN 0016-5107
Messmann, Helmut and Rummele, P. and Bregenzer, N. and Knuechel, Ruth (2000) Carcinoma with unknown primary tumor syndrome with mucosal metastasis in the duodenum mimicking angiodysplasia. ENDOSCOPY, 32 (7). S45-S45. ISSN 0013-726X
Endlicher, Esther and Fuerst, Alois and Strotzer, Michael and Messmann, Helmut and Kerner, Thomas and Schoelmerich, Juergen and Lock, Guntram (1999) Cardiomegaly and pneumonia, a misdiagnosis in long-standing achalasia. DEUTSCHE MEDIZINISCHE WOCHENSCHRIFT, 124 (13). pp. 386-390. ISSN 0012-0472, 1439-4413
Messmann, Helmut and Knuechel, Ruth and Baeumler, Wolfgang and Holstege, Axel and Schoelmerich, Juergen (1999) Endoscopic fluorescence detection of dysplasia in patients with Barrett's esophagus, ulcerative colitis, or adenomatous polyps after 5-aminolevulinic acid-induced protoporphyrin IX sensitization. GASTROINTESTINAL ENDOSCOPY, 49 (1). pp. 97-101. ISSN 0016-5107,
Messmann, Helmut and Kullmann, F. and Wild, T. and Knuechel-Clarke, Ruth and Rueschoff, Josef and Gross, V. and Schoelmerich, Juergen and Holstege, A. (1998) Detection of dysplastic lesions by fluorescence in a model of colitis in rats after previous photosensitization with 5-aminolaevulinic acid. ENDOSCOPY, 30 (4). pp. 333-338. ISSN 0013-726X,
Messmann, Helmut and Schaller, P. and Andus, T. and Lock, G. and Vogt, W. and Gross, V. and Zirngibl, H. and Wiedmann, K. H. and Lingenfelser, T. and Bauch, K. and Leser, H. G. and Schoelmerich, Juergen and Holstege, A. (1998) Effect of programmed endoscopic follow-up examinations on the rebleeding rate of gastric or duodenal peptic ulcers treated by injection therapy: A prospective, randomized controlled trial. ENDOSCOPY, 30 (7). pp. 583-589. ISSN 0013-726X, 1438-8812
Messmann, Helmut and Vogt, Wolfgang and Falk, Werner and Vogl, Daniela and Zirngibl, Hubert and Leserf, Hans-Georg and Schoelmerich, Juergen (1998) Interleukins and their antagonists but not TNF and its receptors are released in post-ERP pancreatitis. EUROPEAN JOURNAL OF GASTROENTEROLOGY & HEPATOLOGY, 10 (7). pp. 611-617. ISSN 0954-691X,
Messmann, Helmut and Knuechel, Ruth and Endlicher, Esther and Hauser, T. and Szeimies, RM and Kullmann, Frank and Baeumler, Wolfgang and Schoelmerich, Juergen (1998) Photodynamic diagnosis of gastrointestinal precancerous lesions after sensitization with 5-aminolaevulinic acid: a pilot study. DEUTSCHE MEDIZINISCHE WOCHENSCHRIFT, 123 (17). pp. 515-521. ISSN 0012-0472,
Mlkvy, P. and Messmann, Helmut and Regula, J. and Conio, M. and Pauer, M. and Millson, C. E. and MacRobert, A. J. and Bown, S. G. (1998) Photodynamic therapy for gastrointestinal tumors using three photosensitizers - ALA induced PPIX, Photofrin (R) and MTHPC. A pilot study. NEOPLASMA, 45 (3). pp. 157-161. ISSN 0028-2685,
Lock, Guntram and Reng, Michael and Messmann, Helmut and Grüne, Stefan and Schölmerich, Jürgen and Holstege, Axel (1997) Inflation and positioning of the gastric balloon of a Sengstaken-Blakemore tube under ultrasonographic control. GASTROINTESTINAL ENDOSCOPY, 45 (6). p. 538. ISSN 0016-5107, 1097-6779
Szeimies, Rolf-Markus and Karrer, Sigrid and Abels, Christoph and Steinbach, Pia and Fickweiler, Sonja and Messmann, Helmut and Bäumler, Wolfgang and Landtaler, Michael (1996) 9-acetoxy-2,7,12,17-tetrakis-(beta-methoxyethyl)-porphycene (ATMPn) a novel photosensitizer for photodynamic therapy: Uptake kinetics and intracellular localization. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY, 34 (1). pp. 67-72. ISSN 1011-1344, 1873-2682
Messmann, Helmut and Vogt, Wolfgang and Lock, Gunther and Gross, Volker and Schölmerich, Jürgen and Holstege, Axel (1996) Perforation of the endoscope covering by needle-like ends of esophageal metal mesh stents. GASTROINTESTINAL ENDOSCOPY, 44 (2). pp. 210-211. ISSN 0016-5107, 1097-6779
Conference or Workshop Item
Krieg, Rene C. and Rauch, Joachim and Endlicher, Esther and Dietrich, Sabine and Schoelmerich, Juergen and Hofstaedter, Ferdinand and Knuechel, Ruth and Messmann, Helmut (2001) Mitochondria as the target organelle for protoporphyrin IX (PPIX) accumulation and toxicity in photodynamic diagnosis (PDD) and photodynamic therapy (PDT) with 5-aminolevulinic acid (ALA). In: Digestive Disease Week and the 102nd Annual Meeting of the American Gastroenterological Association, 20 May 2001 - 23 May 2001.
Hausmann, Florian and Krieg, Rene C. and Endlicher, Esther and Schoelmerich, Juergen and Knuechel, Ruth and Brunner, Henry and Messmann, Helmut (2001) The effects of 5-aminolevulinic acid (ALA)-esters on ALA-induced protoporphyrin (PPIX) production and localization in human adenocarcinoma cell lines. In: Digestive Disease Week and the 102nd Annual Meeting of the American Gastroenterological Association, 20 May 2001 - 23 May 2001.
Messmann, Helmut and Endlicher, Esther and Freunek, Gernot and Schoelmerich, Juergen and Knuechel, Ruth (2000) Abstracts Submitted to ASGE 2000: 4916 - Can fluorescence endoscopy after sensitization with 5-aminolevulinic acid differentiate malignant and benign gastrointestinal lesions? In: 2000 ASGE Meeting, 21-24 May 2000, San Diego, California.
Hollerbach, Stefan H. and Klamann, Andreas and Messmann, Helmut and Schoelmerich, Juergen and Schmiegel, Wolff (2000) Abstracts Submitted to ASGE 2000:4560- Assessment of chronic pancreatitis by using endoscopic ultrasonography and fine-needle aspiration cytology compared with ERCP and pancreatic function test. In: 2000 ASGE Meeting, 21-24 May 2000, San Diego, California.
Wachs, Frank-Peter and Rogler, Gerhard and Krieg, Rene C. and Kullmann, Frank and Messmann, Helmut and Knuechel, Ruth and Schoelmerich, Juergen and Schlottmann, Klaus (2000) Bile acid mediated apoptosis in human colon cancer cell lines is not mediated via the CD95/Fas/Apo-1 pathway. In: Digestive Disease Week and the 101st Annual Meeting of the American Gastroenterological Association, 21-24 May 2000, San Diego, CA.
Krieg, Rene C. and Rauch, Joachim and Endlicher, Esther and Schoelmerich, Juergen and Hofstaedter, Ferdinand and Knuechel, Ruth and Messmann, Helmut (2000) In vitro study of photodynamic diagnosis (PDD) with 5-aminolevulinic acid (ALA) induced protoporphyrin IX (PPIX): Differences in PPIX-metabolism determine tumor-selective fluorescence. In: Digestive Disease Week and the 101st Annual Meeting of the American Gastroenterological Association, 21-24 May 2000, San Diego, CA.
Krieg, Rene C. and Rauch, Joachim and Schlottmann, Klaus and Endlicher, Esther and Schoelmerich, Juergen and Hofstaedter, Ferdinand and Knuechel, Ruth and Messmann, Helmut (2000) Photodynamic therapy (PDT) with 5-aminolevulinic acid (ALA) induced protoporphyrin IX (PPIX): The tracellular localization influences cellular damages. In: Digestive Disease Week and the 101st Annual Meeting of the American Gastroenterological Association, 21-24 May 2000, San Diego, CA.
