Ambuj Kumar

8.0k total citations · 1 hit paper
318 papers, 4.9k citations indexed

About

Ambuj Kumar is a scholar working on Surgery, Oncology and Hematology. According to data from OpenAlex, Ambuj Kumar has authored 318 papers receiving a total of 4.9k indexed citations (citations by other indexed papers that have themselves been cited), including 84 papers in Surgery, 52 papers in Oncology and 52 papers in Hematology. Recurrent topics in Ambuj Kumar's work include Health Systems, Economic Evaluations, Quality of Life (23 papers), Meta-analysis and systematic reviews (22 papers) and Multiple Myeloma Research and Treatments (21 papers). Ambuj Kumar is often cited by papers focused on Health Systems, Economic Evaluations, Quality of Life (23 papers), Meta-analysis and systematic reviews (22 papers) and Multiple Myeloma Research and Treatments (21 papers). Ambuj Kumar collaborates with scholars based in United States, India and United Kingdom. Ambuj Kumar's co-authors include Benjamin Djulbegović, Seth Lipka, Joel E. Richter, Branko Miladinović, Rahul Mhaskar, Tea Reljic, Mohamed A. Kharfan‐Dabaja, Heloisa P. Soares, Beibei Lu and Anna R. Giuliano and has published in prestigious journals such as Nature, The Lancet and JAMA.

In The Last Decade

Ambuj Kumar

286 papers receiving 4.8k citations

Hit Papers

A mechanism by which gut ... 2023 2026 2024 2023 50 100 150
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.

  1. A mechanism by which gut microbiota elevates permeability and inflammation in obese/diabetic mice and human gut
    2023 150 citations Sidharth P. Mishra, Bo Wang et al. Gut profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author Last Decade Papers Cites
Ambuj Kumar 1.2k 1.0k 1000 685 586 318 4.9k
Chris L. Pashos 2.4k 2.0× 987 1.0× 421 0.4× 728 1.1× 506 0.9× 156 7.6k
Gustaf Edgren 1.1k 0.9× 980 1.0× 885 0.9× 761 1.1× 576 1.0× 149 5.0k
Junichi Sakamoto 1.0k 0.9× 1.2k 1.2× 287 0.3× 251 0.4× 923 1.6× 254 4.5k
Marialena Trivella 1.0k 0.8× 394 0.4× 740 0.7× 391 0.6× 271 0.5× 111 4.0k
Kerri McPherson 1.6k 1.4× 2.2k 2.2× 844 0.8× 921 1.3× 783 1.3× 32 8.3k
Klaus Rostgaard 429 0.4× 1.4k 1.4× 822 0.8× 901 1.3× 444 0.8× 171 6.1k
Michael S. Broder 1.0k 0.9× 998 1.0× 460 0.5× 976 1.4× 548 0.9× 248 8.7k
Ann E. Clarke 1.5k 1.3× 457 0.5× 962 1.0× 927 1.4× 676 1.2× 304 11.2k
Mimi Kim 515 0.4× 972 1.0× 421 0.4× 1.1k 1.5× 981 1.7× 195 7.7k
Neil Hawkins 923 0.8× 490 0.5× 430 0.4× 651 1.0× 331 0.6× 150 5.5k

Countries citing papers authored by Ambuj Kumar

Since Specialization
Citations

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

Fields of papers citing papers by Ambuj Kumar

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ambuj Kumar

This figure shows the co-authorship network connecting the top 25 collaborators of Ambuj Kumar. A scholar is included among the top collaborators of Ambuj Kumar 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 Ambuj Kumar. Ambuj Kumar 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.
Hashmi, Hamza, Ambuj Kumar, Mohamed A. Kharfan‐Dabaja, et al.. (2024). ASTCT Committee on Practice Guidelines Survey on Evaluation and Management of Relapsed/Refractory Multiple Myeloma after Failure of Chimeric Antigen Receptor T Cell Therapy. Transplantation and Cellular Therapy. 30(8). 750–759. 1 indexed citations
2.
Mohty, Razan, Tea Reljic, Talha Badar, et al.. (2024). Efficacy of Autologous and Allogeneic Hematopoietic Cell Transplantation in Adults with Acute Promyelocytic Leukemia: Results of a Systematic Review and Meta-Analysis. Transplantation and Cellular Therapy. 30(6). 599.e1–599.e10. 1 indexed citations
3.
Mohty, Razan, Tea Reljic, Omer Jamy, et al.. (2024). Assessing the efficacy of allogeneic hematopoietic cell transplantation in VEXAS syndrome: results of a systematic review and meta-analysis. Bone Marrow Transplantation. 59(10). 1423–1427. 5 indexed citations
4.
Tsalatsanis, Athanasios, Ambuj Kumar, Jeanne M. Hoffman, et al.. (2024). Cost-Effectiveness of Sleep Apnea Diagnosis and Treatment in Hospitalized Persons With Moderate to Severe Traumatic Brain Injury. Journal of Head Trauma Rehabilitation. 39(6). E498–E506. 1 indexed citations
5.
6.
Brown, Jeffrey B., et al.. (2023). Hospitalization Trends of Fractures Presenting to the Emergency Room From 2009 to 2021. 3(4). 16–24. 1 indexed citations
7.
Kumar, Ambuj, et al.. (2023). Skin to Skin Contact Correlated with Improved Production and Consumption of Mother's Own Milk. Breastfeeding Medicine. 18(6). 483–488. 6 indexed citations
8.
Mishra, Sidharth P., Bo Wang, Shalini Jain, et al.. (2023). A mechanism by which gut microbiota elevates permeability and inflammation in obese/diabetic mice and human gut. Gut. 72(10). 1848–1865. 150 indexed citations breakdown →
9.
Suz, Pilar, Tea Reljic, Ambuj Kumar, et al.. (2022). Perioperative Carcinoid Crisis: A Systematic Review and Meta-Analysis. Cancers. 14(12). 2966–2966. 13 indexed citations
10.
Ahmed, Nausheen, Ambuj Kumar, Mohamed A. Kharfan‐Dabaja, et al.. (2022). ASTCT Committee on Practice Guidelines Survey on Evaluation & Management of Diffuse Large B-cell Lymphoma after Failure of Chimeric Antigen Receptor T Cell Therapy (CAR-T) Therapy. Transplantation and Cellular Therapy. 28(9). 523–529. 14 indexed citations
11.
Kumar, Ambuj, et al.. (2021). Assessment of Growth in Pediatric Syrian Refugee Populations in Jordan. SHILAP Revista de lepidopterología. 11(4). 167–171. 2 indexed citations
12.
Montero, José, et al.. (2021). Effectiveness of Severe Acute Respiratory Syndrome Coronavirus 2 Monoclonal Antibody Infusions in High-Risk Outpatients. Open Forum Infectious Diseases. 8(7). ofab292–ofab292. 16 indexed citations
13.
Sethi, Sajiv, et al.. (2020). Su1062 SAFETY OF ENDOSCOPY IN PATIENTS WITH SEVERE ANEMIA. Gastrointestinal Endoscopy. 91(6). AB287–AB288.
14.
Reljic, Tea, Sean Phillips, Christine Burke, et al.. (2020). Impact of Comorbid PTSD on Outcome of Repetitive Transcranial Magnetic Stimulation (TMS) for Veterans With Depression. The Journal of Clinical Psychiatry. 81(4). 15 indexed citations
15.
16.
Reljic, Tea, et al.. (2017). Treatment targeted at underlying disease versus palliative care in terminally ill patients: a systematic review. BMJ Open. 7(1). e014661–e014661. 24 indexed citations
17.
Charan, Jaykaran, Mayur Chaudhari, Ryan S. Jackson, et al.. (2015). Comparison of methodological quality of positive versus negative comparative studies published in Indian medical journals: a systematic review. BMJ Open. 5(6). e007853–e007853. 2 indexed citations
18.
Kumar, Ambuj, Rahul Mhaskar, Brenda J. Grossman, et al.. (2014). Platelet transfusion: a systematic review of the clinical evidence. Transfusion. 55(5). 1116–1127. 118 indexed citations
19.
Miladinović, Branko, Ambuj Kumar, Rahul Mhaskar, & Benjamin Djulbegović. (2014). Benchmarks for detecting ‘breakthroughs’ in clinical trials: empirical assessment of the probability of large treatment effects using kernel density estimation. BMJ Open. 4(10). e005249–e005249. 3 indexed citations
20.
Kumar, Ambuj, Mohamed A. Kharfan‐Dabaja, & Benjamin Djulbegović. (2009). Response: Re: Tandem vs Single Autologous Hematopoietic Cell Transplantation for the Treatment of Multiple Myeloma: A Systematic Review and Meta-analysis. JNCI Journal of the National Cancer Institute. 101(20). 1431–1433. 1 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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