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A. May · SciRah

Researcher profile · Semantic Scholar

A. May

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A. May — researcher profile on SciRah

h-index: 67
Works: 271
Citations: 16K

Most-cited papers

Small-bowel capsule endoscopy and device-assisted enteroscopy for diagnosis and treatment of small-bowel disorders: European Society of Gastrointestinal Endoscopy (ESGE) Clinical Guideline
M. Pennazio, C. Spada, R. Eliakim, M. Keuchel +22 more
2015Endoscopy771 citations Open access
Semantic Scholar
Long-term results and risk factor analysis for recurrence after curative endoscopic therapy in 349 patients with high-grade intraepithelial neoplasia and mucosal adenocarcinoma in Barrett’s oesophagus
O. Pech, A. Behrens, A. May, L. Nachbar +8 more
2008Gut705 citations
Semantic Scholar
Long-term efficacy and safety of endoscopic resection for patients with mucosal adenocarcinoma of the esophagus.
O. Pech, A. May, H. Manner, A. Behrens +10 more
2014Gastroenterology464 citations Open access
Semantic Scholar
Small-bowel capsule endoscopy and device-assisted enteroscopy for diagnosis and treatment of small-bowel disorders: European Society of Gastrointestinal Endoscopy (ESGE) Technical Review
E. Rondonotti, C. Spada, S. Adler, A. May +10 more
2018Endoscopy383 citations Open access
Semantic Scholar
Early Barrett's Carcinoma With “Low-Risk” Submucosal Invasion: Long-Term Results of Endoscopic Resection With a Curative Intent
H. Manner, A. May, O. Pech, L. Gossner +5 more
2008American Journal of Gastroenterology262 citations
Semantic Scholar
Cardiac rather than intestinal-type background in endoscopic resection specimens of minute Barrett adenocarcinoma.
K. Takubo, J. Aida, Y. Naomoto, M. Sawabe +8 more
2009Human Pathology244 citations
Semantic Scholar
Prospective Multicenter Trial Comparing Push-and-Pull Enteroscopy With the Single- and Double-Balloon Techniques in Patients With Small-Bowel Disorders
A. May, M. Färber, I. Aschmoneit, J. Pohl +7 more
2010American Journal of Gastroenterology237 citations
Semantic Scholar
Efficacy, safety, and long-term results of endoscopic treatment for early stage adenocarcinoma of the esophagus with low-risk sm1 invasion.
H. Manner, O. Pech, Yvonne Heldmann, A. May +6 more
2013Clinical Gastroenterology and Hepatology207 citations
Semantic Scholar
Complications in and performance of double-balloon enteroscopy (DBE): results from a large prospective DBE database in Germany
O. Möschler, A. May, M. Müller, C. Ell
2011Endoscopy176 citations
Semantic Scholar
Genome-wide association studies in oesophageal adenocarcinoma and Barrett's oesophagus: a large-scale meta-analysis
P. Gharahkhani, R. Fitzgerald, T. Vaughan, C. Palles +65 more
2016The Lancet Oncology160 citations Open access
Semantic Scholar
Length of Barrett's oesophagus and cancer risk: implications from a large sample of patients with early oesophageal adenocarcinoma
H. Pohl, O. Pech, Haris Arash, M. Stolte +5 more
2015Gut137 citations
Semantic Scholar
The frequency of lymph node metastasis in early-stage adenocarcinoma of the esophagus with incipient submucosal invasion (pT1b sm1) depending on histological risk patterns
H. Manner, O. Pech, Yvonne Heldmann, A. May +6 more
2015Surgical Endoscopy135 citations
Semantic Scholar
Ablation of residual Barrett’s epithelium after endoscopic resection: a randomized long-term follow-up study of argon plasma coagulation vs. surveillance (APE study)
H. Manner, T. Rabenstein, O. Pech, K. Braun +5 more
2013Endoscopy123 citations
Semantic Scholar
Acute sedation-associated complications in GI endoscopy (ProSed 2 Study): results from the prospective multicentre electronic registry of sedation-associated complications
A. Behrens, A. Kreuzmayr, H. Manner, H. Koop +53 more
2018Gut121 citations
Semantic Scholar
Long-term outcome after argon plasma coagulation of small-bowel lesions using double-balloon enteroscopy in patients with mid-gastrointestinal bleeding
A. May, T. Friesing-Sosnik, H. Manner, J. Pohl +1 more
2011Endoscopy114 citations
Semantic Scholar
Prospective, cross-over, single-center trial comparing oral double-balloon enteroscopy and oral spiral enteroscopy in patients with suspected small-bowel vascular malformations
A. May, H. Manner, I. Aschmoneit, C. Ell
2011Endoscopy100 citations
Semantic Scholar
Prospective, randomized, single-center trial comparing double-balloon enteroscopy and spiral enteroscopy in patients with suspected small-bowel disorders.
Insa Messer, A. May, H. Manner, C. Ell
2013Gastrointestinal Endoscopy99 citations
Semantic Scholar
[Complications in double-balloon-enteroscopy: results of the German DBE register].
O. Möschler, A. May, M. Müller, C. Ell
2008Zeitschrift für Gastroenterologie - German Journal of Gastroenterology97 citations
Semantic Scholar
Efficacy and safety of Hybrid-APC for the ablation of Barrett’s esophagus
H. Manner, A. May, Ioanna Kouti, O. Pech +2 more
2016Surgical Endoscopy87 citations
Semantic Scholar
Incidence of Macroscopically Occult Neoplasias in Barrett's Esophagus: Are Random Biopsies Dispensable in the Era of Advanced Endoscopic Imaging?
J. Pohl, O. Pech, A. May, H. Manner +2 more
2010American Journal of Gastroenterology82 citations
Semantic Scholar
European Society of Gastrointestinal Endoscopy (ESGE) Guidelines: flexible enteroscopy for diagnosis and treatment of small-bowel diseases
J. Pohl, M. Delvaux, C. Ell, G. Gay +5 more
2008Endoscopy65 citations Open access
Semantic Scholar
The tissue effect of argon-plasma coagulation with prior submucosal injection (Hybrid-APC) versus standard APC: A randomized ex-vivo study
H. Manner, A. Neugebauer, M. Scharpf, K. Braun +4 more
2014United European Gastroenterology journal58 citations Open access
Semantic Scholar
Early-stage adenocarcinoma of the esophagus with mid to deep submucosal invasion (pT1b sm2-3): the frequency of lymph-node metastasis depends on macroscopic and histological risk patterns.
H. Manner, J. Wetzka, A. May, M. Pauthner +6 more
2016Diseases of the esophagus53 citations
Semantic Scholar
Long-Term Results of Endoscopic Resection in Early Gastric Cancer: The Western Experience
H. Manner, T. Rabenstein, A. May, O. Pech +8 more
2008American Journal of Gastroenterology51 citations
Semantic Scholar
Early Barrett's carcinoma: the depth of infiltration of the tumour correlates with the degree of differentiation, the incidence of lymphatic vessel and venous invasion
Barbara Zemler, A. May, C. Ell, M. Stolte
2010Virchows Archiv48 citations
Semantic Scholar
Motorized spiral enteroscopy: results of an international multicenter prospective observational clinical study in patients with normal and altered gastrointestinal anatomy
T. Beyna, T. Moreels, M. Arvanitakis, M. Pioche +14 more
2021Endoscopy46 citations Open access
Semantic Scholar
Hybrid APC in Combination With Resection for the Endoscopic Treatment of Neoplastic Barrett's Esophagus: A Prospective, Multicenter Study
M. Knabe, T. Beyna, T. Rösch, J. Bergman +15 more
2021American Journal of Gastroenterology38 citations Open access
Semantic Scholar
How much importance do we have to place on complete enteroscopy?
A. May
2011Gastrointestinal Endoscopy35 citations
Semantic Scholar
Palisade Vessels as a New Histologic Marker of Esophageal Origin in ER Specimens From Columnar-Lined Esophagus
J. Aida, M. Vieth, C. Ell, A. May +10 more
2011American Journal of Surgical Pathology32 citations
Semantic Scholar
Barrett's adenocarcinoma of the esophagus: better outcomes through new methods of diagnosis and treatment.
A. Behrens, O. Pech, F. Graupe, A. May +2 more
2011Deutsches Ärzteblatt International31 citations Open access
Semantic Scholar
Small-bowel diagnosis in patients with familial adenomatous polyposis: comparison of push enteroscopy, capsule endoscopy, ileoscopy, and enteroclysis.
N. Plum, A. May, H. Manner, C. Ell
2009Zeitschrift für Gastroenterologie - German Journal of Gastroenterology30 citations
Semantic Scholar
Supportive evidence for FOXP1, BARX1, and FOXF1 as genetic risk loci for the development of esophageal adenocarcinoma
J. Becker, A. May, C. Gerges, M. Anders +43 more
2015Cancer Medicine29 citations Open access
Semantic Scholar
Double-balloon Endoscopy for Retrograde Cholangiography in Patients with Choledochojejunostomy and Roux-en-Y Reconstruction
J. Pohl, A. May, I. Aschmoneit, C. Ell
2009Zeitschrift für Gastroenterologie - German Journal of Gastroenterology28 citations
Semantic Scholar
Is Carcinoma in Columnar-lined Esophagus Always Located Adjacent to Intestinal Metaplasia?: A Histopathologic Assessment
J. Aida, M. Vieth, N. Shepherd, C. Ell +7 more
2015American Journal of Surgical Pathology25 citations
Semantic Scholar
Balloon enteroscopy: single- and double-balloon enteroscopy.
A. May
2009Gastrointestinal Endoscopy Clinics of North America25 citations
Semantic Scholar
How to approach the small bowel with flexible enteroscopy.
A. May
2010Gastroenterology Clinics of North America24 citations
Semantic Scholar
The pattern of invasion of early carcinomas in Barrett's esophagus is dependent on the depth of infiltration.
M. Stolte, T. Kirtil, F. Oellig, C. Vogel +4 more
2010Pathology, Research and Practice24 citations
Semantic Scholar
Artificial intelligence-assisted staging in Barrett’s carcinoma
M. Knabe, Lukas Welsch, T. Blasberg, Elisa Müller +4 more
2021Endoscopy22 citations
Semantic Scholar
Preliminary report on the safety and utility of a novel automated mechanical endoscopic tissue resection tool for endoscopic necrosectomy: a case series
S. E. van der Wiel, A. May, J. Poley, M. Grubben +3 more
2020Endoscopy International Open22 citations Open access
Semantic Scholar
Non-thermal ablation of non-neoplastic Barrett’s esophagus with the novel EndoRotor® resection device
M. Knabe, Sandra Blößer, J. Wetzka, C. Ell +1 more
2018United European Gastroenterology journal22 citations Open access
Semantic Scholar
The Barrett‐associated variants at GDF7 and TBX5 also increase esophageal adenocarcinoma risk
J. Becker, A. May, C. Gerges, M. Anders +40 more
2016Cancer Medicine22 citations Open access
Semantic Scholar
Radiofrequency ablation versus hybrid argon plasma coagulation in Barrett’s esophagus: a prospective randomised trial
M. Knabe, J. Wetzka, Lukas Welsch, J. Richl +5 more
2023Surgical Endoscopy21 citations Open access
Semantic Scholar
Impact of fluoroscopy on oral double-balloon enteroscopy: results of a randomized trial in 156 patients
H. Manner, A. May, J. Pohl, M. Färber +1 more
2010Endoscopy21 citations
Semantic Scholar
Verrucous Oesophageal Carcinoma: Single Case Report and Case Series Including 15 Patients – Issues for Consideration of Therapeutic Strategies
A. Behrens, M. Stolte, O. Pech, A. May +1 more
2014Visceral Medicine20 citations Open access
Semantic Scholar
Argon Plasma Coagulation for Flexible Endoscopic Zenker Diverticulotomy
T. Rabenstein, A. May, H. Manner, L. Gossner +2 more
200818 citations
Semantic Scholar
Invisible gastric carcinoma detected by random biopsy: long-term results after photodynamic therapy
T. Rabenstein, A. May, L. Gossner, H. Manner +6 more
2008Endoscopy17 citations
Semantic Scholar
Double-Balloon Enteroscopy.
A. May
2017Gastrointestinal Endoscopy Clinics of North America16 citations
Semantic Scholar
Prospective study of acute complication rates and associated risk factors in endoscopic therapy for duodenal adenomas
Insa Aschmoneit-Messer, J. Richl, J. Pohl, C. Ell +1 more
2015Surgical Endoscopy16 citations
Semantic Scholar
No Association Between Vitamin D Status and Risk of Barrett’s Esophagus or Esophageal Adenocarcinoma—a Mendelian Randomization Study
Jing-Yan Dong, P. Gharahkhani, W. Chow, M. Gammon +55 more
2019Clinical Gastroenterology and Hepatology14 citations Open access
Semantic Scholar
719 Endoscopic Resection in 953 Patients With Mucosal Barrett's Cancer
O. Pech, A. May, H. Manner, J. Pohl +1 more
201114 citations
Semantic Scholar

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L. Gossner — researcher profile on SciRah

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H. Neuhaus — researcher profile on SciRah