Helena Katchman

3.3k total citations · 2 hit papers
34 papers, 1.3k citations indexed

About

Helena Katchman is a scholar working on Hepatology, Surgery and Epidemiology. According to data from OpenAlex, Helena Katchman has authored 34 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Hepatology, 12 papers in Surgery and 10 papers in Epidemiology. Recurrent topics in Helena Katchman's work include Liver Disease Diagnosis and Treatment (8 papers), Xenotransplantation and immune response (7 papers) and Liver Disease and Transplantation (7 papers). Helena Katchman is often cited by papers focused on Liver Disease Diagnosis and Treatment (8 papers), Xenotransplantation and immune response (7 papers) and Liver Disease and Transplantation (7 papers). Helena Katchman collaborates with scholars based in Israel, United States and Canada. Helena Katchman's co-authors include Yaīr Reisner, Elias Shezen, Ayelet Grupper, Roni Baruch, Liane Rabinowich, Oren Shibolet, Tami Halperin, Inbal Houri, Merav Ben‐Yehoyada and Eugene Katchman and has published in prestigious journals such as Proceedings of the National Academy of Sciences, SHILAP Revista de lepidopterología and Blood.

In The Last Decade

Helena Katchman

30 papers receiving 1.3k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Reduced humoral response to mRNA SARS-CoV-2 BNT162b2 vaccine in kidney transplant recipients without prior exposure to the virus

2021 242 citations Ayelet Grupper, Liane Rabinowich et al. profile →
Low immunogenicity to SARS-CoV-2 vaccination among liver transplant recipients

2021 226 citations Liane Rabinowich, Ayelet Grupper et al. Journal of Hepatology profile →

Peers

Helena Katchman

SURGE

IMMUN

HEPAT

Abdulaziz Al Khaldi Saudi Arabia

J. Nathan Hagstrom United States

Bettina Seeberg Germany

Wai‐Kuen Ho Hong Kong

Caroline Suberbielle France

J. Grulich‐Henn Germany

Nicole M. van Besouw Netherlands

Pravin Hissaria Australia

Mathias Streitz Germany

S. Juvet Canada

Abdulaziz Al Khaldi Saudi Arabia

Helena Katchman

354 ×0.7

157 ×0.3

150 ×0.4

SURGE

181 ×1.3

IMMUN

6 ×0.0

HEPAT

Citations per year, relative to Helena Katchman Helena Katchman (= 1×) peers Abdulaziz Al Khaldi

Countries citing papers authored by Helena Katchman

Since Specialization

Citations

This map shows the geographic impact of Helena Katchman'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 Helena Katchman with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Helena Katchman more than expected).

Fields of papers citing papers by Helena Katchman

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Helena Katchman. 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 Helena Katchman. The network helps show where Helena Katchman may publish in the future.

Co-authorship network of co-authors of Helena Katchman

This figure shows the co-authorship network connecting the top 25 collaborators of Helena Katchman. A scholar is included among the top collaborators of Helena Katchman 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 Helena Katchman. Helena Katchman is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Katchman, Helena, et al.. (2024). WED-303 Assessment of the correlation and concordance between ELF and VCTE in the AASLD algorithm for MASLD severity assessment. Journal of Hepatology. 80. S547–S548.

Grupper, Ayelet, et al.. (2024). FRI-136 Aspirin reduces risk of ascites and encephalopathy in cirrhotic patients without increasing the risk of gastrointestinal bleeding. Journal of Hepatology. 80. S237–S237.

Neutel, Joel, Ram Gelman, Helena Katchman, et al.. (2023). Oral Insulin Alleviates Liver Fibrosis and Reduces Liver Steatosis in Patients With Metabolic Dysfunction-associated Steatohepatitis and Type 2 Diabetes: Results of Phase II Randomized, Placebo-controlled Feasibility Clinical Trial. SHILAP Revista de lepidopterología. 3(3). 417–425.

Grupper, Ayelet, Doron Schwartz, Idit F. Schwartz, et al.. (2022). Nonalcoholic Fatty Liver Disease before Kidney Transplantation Correlates with New Onset Diabetes and Poor Metabolic Outcomes. American Journal of Nephrology. 53(8-9). 636–645. 4 indexed citations

Saiag, Esther, Ayelet Grupper, Irit Avivi, et al.. (2022). The effect of a third-dose BNT162b2 vaccine on anti-SARS-CoV-2 antibody levels in immunosuppressed patients. Clinical Microbiology and Infection. 28(5). 735.e5–735.e8. 15 indexed citations

Grupper, Ayelet & Helena Katchman. (2022). SARS-CoV-2 Vaccines: Safety and Immunogenicity in Solid Organ Transplant Recipients and Strategies for Improving Vaccine Responses. Current Transplantation Reports. 9(1). 35–47. 10 indexed citations

Katchman, Helena, et al.. (2022). Hepatitis C Virus Elimination in Methadone-treated Patients: Implementation of Hepatology Clinic in a Methadone Treatment Program. Journal of Addiction Medicine. 16(6). e350–e355. 1 indexed citations

Grupper, Ayelet, Liane Rabinowich, Merav Ben‐Yehoyada, et al.. (2022). Humoral Response to the Third Dose of Sars-Cov-2 Vaccine in Kidney Transplant Recipients. Transplantation Proceedings. 54(6). 1439–1445. 7 indexed citations

Levy, Sharon, et al.. (2021). Hepatitis C related cognitive impairment: Impact of viral and host factors and response to therapy. Journal of Viral Hepatitis. 28(6). 870–877. 3 indexed citations

10.

Rabinowich, Liane, Ayelet Grupper, Roni Baruch, et al.. (2021). Low immunogenicity to SARS-CoV-2 vaccination among liver transplant recipients. Journal of Hepatology. 75(2). 435–438. 226 indexed citations breakdown →

11.

Houri, Inbal, Ziv Ben‐Ari, Amir Shlomai, et al.. (2020). Ombitasvir/paritaprevir/ritonavir & dasabuvir ± ribavirin following protease inhibitors failure - a prospective multi-centre trial. BMC Infectious Diseases. 20(1). 264–264. 5 indexed citations

12.

Gilad, Oded, Liane Rabinowich, Sharon Levy, et al.. (2020). Metabolic and Renal Effects of Mammalian Target of Rapamycin Inhibitors Treatment After Liver Transplantation: Real-Life Single-Center Experience. Transplantation Proceedings. 53(1). 221–227. 4 indexed citations

13.

Houri, Inbal, et al.. (2020). Emergency department targeted screening for hepatitis C does not improve linkage to care. World Journal of Gastroenterology. 26(32). 4878–4888. 5 indexed citations

14.

Lawitz, Eric, Edward Gane, Jordan J. Feld, et al.. (2019). Efficacy and safety of a two‐drug direct‐acting antiviral agent regimen ruzasvir 180 mg and uprifosbuvir 450 mg for 12 weeks in adults with chronic hepatitis C virus genotype 1, 2, 3, 4, 5 or 6. Journal of Viral Hepatitis. 26(9). 1127–1138. 9 indexed citations

15.

Klionsky, Yael, Esther Bachar-Lustig, Anna Aronovich, et al.. (2010). Embryonic Pig Pancreatic Tissue for the Treatment of Diabetes: Potential Role of Immune Suppression With “Off-the-Shelf” Third-Party Regulatory T Cells. Transplantation. 91(4). 398–405. 6 indexed citations

16.

Aronovich, Anna, Elias Shezen, Chava Rosen, et al.. (2009). Enhancement of Pig Embryonic Implants in Factor VIII KO Mice: A Novel Role for the Coagulation Cascade in Organ Size Control. PLoS ONE. 4(12). e8362–e8362. 1 indexed citations

17.

Dekel, Benjamin, Lior Zangi, Elias Shezen, et al.. (2006). Isolation and Characterization of Nontubular Sca-1+Lin− Multipotent Stem/Progenitor Cells from Adult Mouse Kidney. Journal of the American Society of Nephrology. 17(12). 3300–3314. 146 indexed citations

18.

Eventov‐Friedman, Smadar, Helena Katchman, Elias Shezen, et al.. (2006). Embryonic Pig Pancreatic Tissue Transplantation for the Treatment of Diabetes. PLoS Medicine. 3(7). e215–e215. 44 indexed citations

19.

Aronovich, Anna, Helena Katchman, Smadar Eventov‐Friedman, et al.. (2006). Correction of hemophilia as a proof of concept for treatment of monogenic diseases by fetal spleen transplantation. Proceedings of the National Academy of Sciences. 103(50). 19075–19080. 22 indexed citations

20.

Eventov‐Friedman, Smadar, Helena Katchman, Elias Shezen, et al.. (2005). Embryonic pig liver, pancreas, and lung as a source for transplantation: Optimal organogenesis without teratoma depends on distinct time windows. Proceedings of the National Academy of Sciences. 102(8). 2928–2933. 39 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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