Jacob E. Ollech

1.5k total citations
69 papers, 819 citations indexed

About

Jacob E. Ollech is a scholar working on Genetics, Epidemiology and Surgery. According to data from OpenAlex, Jacob E. Ollech has authored 69 papers receiving a total of 819 indexed citations (citations by other indexed papers that have themselves been cited), including 48 papers in Genetics, 40 papers in Epidemiology and 32 papers in Surgery. Recurrent topics in Jacob E. Ollech's work include Inflammatory Bowel Disease (47 papers), Microscopic Colitis (32 papers) and Eosinophilic Esophagitis (12 papers). Jacob E. Ollech is often cited by papers focused on Inflammatory Bowel Disease (47 papers), Microscopic Colitis (32 papers) and Eosinophilic Esophagitis (12 papers). Jacob E. Ollech collaborates with scholars based in Israel, United States and Australia. Jacob E. Ollech's co-authors include David T. Rubin, Sushila Dalal, Joel Pekow, Atsushi Sakuraba, Russell D. Cohen, Roni Weisshof, Philip H. Sossenheimer, Katia El Jurdi, Laura Glick and David Shitrit and has published in prestigious journals such as Gastroenterology, The American Journal of Gastroenterology and Gastrointestinal Endoscopy.

In The Last Decade

Jacob E. Ollech

61 papers receiving 814 citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Jacob E. Ollech Israel 18 509 469 306 111 109 69 819
Beatriz Sicilia Spain 14 501 1.0× 380 0.8× 369 1.2× 58 0.5× 77 0.7× 50 766
Gary R Lichtenstein United States 4 589 1.2× 504 1.1× 265 0.9× 42 0.4× 51 0.5× 9 792
A. Lavagna Italy 14 334 0.7× 351 0.7× 302 1.0× 115 1.0× 71 0.7× 32 724
Garrett Lawlor United States 15 436 0.9× 481 1.0× 207 0.7× 48 0.4× 139 1.3× 48 908
Cyriel Ponsioen Netherlands 18 684 1.3× 593 1.3× 556 1.8× 189 1.7× 128 1.2× 40 1.3k
David Rowbotham New Zealand 16 231 0.5× 330 0.7× 266 0.9× 67 0.6× 61 0.6× 58 773
Hak Yang Kim South Korea 19 375 0.7× 596 1.3× 580 1.9× 236 2.1× 106 1.0× 58 1.3k
Tim Orchard United Kingdom 4 884 1.7× 638 1.4× 506 1.7× 42 0.4× 67 0.6× 11 1.2k
Paula Ministro Portugal 15 420 0.8× 333 0.7× 224 0.7× 30 0.3× 43 0.4× 58 647
Raina Shivashankar United States 9 334 0.7× 299 0.6× 195 0.6× 30 0.3× 106 1.0× 21 575

Countries citing papers authored by Jacob E. Ollech

Since Specialization
Citations

This map shows the geographic impact of Jacob E. Ollech's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Jacob E. Ollech with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Jacob E. Ollech more than expected).

Fields of papers citing papers by Jacob E. Ollech

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Jacob E. Ollech. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Jacob E. Ollech. The network helps show where Jacob E. Ollech may publish in the future.

Co-authorship network of co-authors of Jacob E. Ollech

This figure shows the co-authorship network connecting the top 25 collaborators of Jacob E. Ollech. A scholar is included among the top collaborators of Jacob E. Ollech based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Jacob E. Ollech. Jacob E. Ollech is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Kayal, Maia, Gabriele Bislenghi, Michel Adamina, et al.. (2025). ECCO Topical Review on Pouch Disorders. Journal of Crohn s and Colitis. 19(7).
2.
Ollech, Jacob E., et al.. (2025). P0796 Comparison of Disease Severity, Treatment, and Outcomes in Elderly and Younger Patients Hospitalized with Acute Severe Ulcerative Colitis (ASUC). Journal of Crohn s and Colitis. 19(Supplement_1). i1529–i1529.
3.
Avni‐Biron, Irit, Ervin Tóth, Jacob E. Ollech, et al.. (2024). The Role of Small-Bowel Capsule Endoscopy in the Diagnostic Algorithm of Complicated Perianal Disease. Diagnostics. 14(16). 1733–1733. 1 indexed citations
4.
Godny, Lihi, Ian White, Nir Wasserberg, et al.. (2024). Factors Associated With Biologic Therapy After Ileal Pouch–Anal Anastomosis in Patients With Ulcerative Colitis. Inflammatory Bowel Diseases. 31(7). 1934–1942. 1 indexed citations
5.
Konikoff, Tom, Henit Yanai, Uri Kopylov, et al.. (2024). Precision medicine: Externally validated explainable AI support tool for predicting sustainability of infliximab and vedolizumab in ulcerative colitis. Digestive and Liver Disease. 56(12). 2069–2076.
6.
Peleg, Noam, et al.. (2023). Seattle Protocol Is More Effective in Detection of Dysplasia Compared to Technology-Assisted Targeted Biopsies in Patients with Barrett’s Esophagus. Journal of Clinical Medicine. 12(7). 2544–2544. 6 indexed citations
7.
Yanai, Henit, Idan Goren, Jacob E. Ollech, et al.. (2023). A Real-World Prospective Cohort Study of Patients With Newly Diagnosed Crohn’s Disease Treated by a Multidisciplinary Team: 1-Year Outcomes. Crohn s & Colitis 360. 5(4). otad064–otad064. 2 indexed citations
8.
Avni‐Biron, Irit, Eran Hadar, Michal Neeman, et al.. (2022). SARS-CoV-2 IgG Antibody Levels in Women with IBD Vaccinated during Pregnancy. Vaccines. 10(11). 1833–1833. 1 indexed citations
9.
Avni‐Biron, Irit, Eran Zittan, Uri Kopylov, et al.. (2022). Ustekinumab during pregnancy in patients with inflammatory bowel disease: a prospective multicentre cohort study. Alimentary Pharmacology & Therapeutics. 56(9). 1361–1369. 24 indexed citations
10.
Rivière, Pauline, Joel Pekow, Nassim Hammoudi, et al.. (2022). Comparison of the Risk of Crohn’s Disease Postoperative Recurrence Between Modified Rutgeerts Score i2a and i2b Categories: An Individual Patient Data Meta-analysis. Journal of Crohn s and Colitis. 17(2). 269–276. 17 indexed citations
11.
Atia, Ohad, Eric I. Benchimol, Shira Greenfeld, et al.. (2022). Incidence, Management, and Outcomes of Very Early Onset Inflammatory Bowel Diseases and Infantile-Onset Disease: An Epi-IIRN Study. Clinical Gastroenterology and Hepatology. 21(10). 2639–2648.e6. 12 indexed citations
12.
Atia, Ohad, Esther Orlanski‐Meyer, Shira Greenfeld, et al.. (2021). Colectomy Rates did not Decrease in Paediatric- and Adult-Onset Ulcerative Colitis During the Biologics Era: A Nationwide Study From the epi-IIRN. Journal of Crohn s and Colitis. 16(5). 796–803. 30 indexed citations
13.
Ollech, Jacob E., Noam Peleg, Jingzhou Wang, et al.. (2020). Effectiveness of Ustekinumab Dose Escalation in Patients With Crohn’s Disease. Clinical Gastroenterology and Hepatology. 19(1). 104–110. 65 indexed citations
14.
Ollech, Jacob E., David T. Rubin, Laura Glick, et al.. (2019). Ustekinumab Is Effective for the Treatment of Chronic Antibiotic-Refractory Pouchitis. Digestive Diseases and Sciences. 64(12). 3596–3601. 50 indexed citations
15.
Weisshof, Roni, Maya Aharoni Golan, Philip H. Sossenheimer, et al.. (2019). Real-World Experience with Tofacitinib in IBD at a Tertiary Center. Digestive Diseases and Sciences. 64(7). 1945–1951. 77 indexed citations
16.
Cleveland, Noa Krugliak, Jacob E. Ollech, Ruben J. Colman, et al.. (2018). Efficacy and Follow-up of Segmental or Subtotal Colectomy in Patients With Colitis-Associated Neoplasia. Clinical Gastroenterology and Hepatology. 17(1). 205–206. 18 indexed citations
17.
Ollech, Jacob E., Nicole T. Shen, Carl V. Crawford, & Yehuda Ringel. (2016). Use of probiotics in prevention and treatment of patients with Clostridium difficile infection. Best Practice & Research Clinical Gastroenterology. 30(1). 111–118. 20 indexed citations
18.
Shtraichman, Osnat, Paul D. Blanc, Jacob E. Ollech, et al.. (2015). Outbreak of autoimmune disease in silicosis linked to artificial stone. Occupational Medicine. 65(6). 444–450. 56 indexed citations
19.
Shitrit, David, Jacob E. Ollech, Ayelet Ollech, et al.. (2008). Diagnostic value of complement components in pleural fluid: Report of 135 cases. Respiratory Medicine. 102(11). 1631–1635. 7 indexed citations
20.
Ollech, Jacob E., Mordechai R. Kramer, Nir Peled, et al.. (2008). Post-transplant diabetes mellitus in lung transplant recipients: incidence and risk factors. European Journal of Cardio-Thoracic Surgery. 33(5). 844–848. 45 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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