Jens R. Chapman

18.1k total citations · 5 hit papers
362 papers, 12.0k citations indexed

About

Jens R. Chapman is a scholar working on Surgery, Pathology and Forensic Medicine and Public Health, Environmental and Occupational Health. According to data from OpenAlex, Jens R. Chapman has authored 362 papers receiving a total of 12.0k indexed citations (citations by other indexed papers that have themselves been cited), including 304 papers in Surgery, 206 papers in Pathology and Forensic Medicine and 40 papers in Public Health, Environmental and Occupational Health. Recurrent topics in Jens R. Chapman's work include Spine and Intervertebral Disc Pathology (184 papers), Spinal Fractures and Fixation Techniques (172 papers) and Cervical and Thoracic Myelopathy (81 papers). Jens R. Chapman is often cited by papers focused on Spine and Intervertebral Disc Pathology (184 papers), Spinal Fractures and Fixation Techniques (172 papers) and Cervical and Thoracic Myelopathy (81 papers). Jens R. Chapman collaborates with scholars based in United States, Germany and Canada. Jens R. Chapman's co-authors include Carlo Bellabarba, Richard J. Bransford, Daniel C. Norvell, Alexander R. Vaccaro, Michael G. Fehlings, Joseph R. Dettori, Thomas A. Schildhauer, Sohail K. Mirza, Julie Agel and M. Bradford Henley and has published in prestigious journals such as SHILAP Revista de lepidopterología, Journal of Bone and Joint Surgery and Philosophical Transactions of the Royal Society B Biological Sciences.

In The Last Decade

Jens R. Chapman

336 papers receiving 11.6k citations

Hit Papers

AOSpine Thoracolumbar Spine Injury C... 1996 2026 2006 2016 2013 2011 1996 2013 2022 100 200 300 400 500
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. AOSpine Thoracolumbar Spine Injury Classification System
    2013 567 citations Alexander R. Vaccaro, F. Cumhur Öner et al. Spine profile →
  2. Evaluating Common Outcomes for Measuring Treatment Success for Chronic Low Back Pain
    2011 419 citations Jens R. Chapman, Daniel C. Norvell et al. Spine profile →
  3. Factors Affecting the Pullout Strength of Cancellous Bone Screws
    1996 413 citations Jens R. Chapman et al. profile →
  4. Efficacy and Safety of Surgical Decompression in Patients with Cervical Spondylotic Myelopathy
    2013 364 citations Michael G. Fehlings, Branko Kopjar et al. profile →
  5. Fixed-Effect vs Random-Effects Models for Meta-Analysis: 3 Points to Consider
    2022 279 citations Daniel C. Norvell, Jens R. Chapman et al. Global Spine Journal profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Jens R. Chapman United States 60 10.0k 6.2k 1.2k 1.2k 983 362 12.0k
Christopher M. Bono United States 59 8.8k 0.9× 6.6k 1.1× 837 0.7× 695 0.6× 1.6k 1.6× 255 10.6k
Marcel F. Dvorak Canada 66 10.0k 1.0× 10.2k 1.6× 1.5k 1.2× 640 0.6× 804 0.8× 342 13.8k
James S. Harrop United States 60 10.5k 1.1× 9.4k 1.5× 1.6k 1.3× 650 0.6× 838 0.9× 453 14.6k
Jonathan N. Grauer United States 61 9.2k 0.9× 4.6k 0.7× 908 0.7× 1.2k 1.1× 1.5k 1.5× 509 12.3k
Shanmuganathan Rajasekaran India 43 6.6k 0.7× 3.8k 0.6× 584 0.5× 733 0.6× 1.1k 1.1× 494 8.3k
Edward C. Benzel United States 57 8.7k 0.9× 7.3k 1.2× 860 0.7× 724 0.6× 1.7k 1.8× 436 11.6k
Mitchell Maltenfort United States 57 6.9k 0.7× 2.5k 0.4× 854 0.7× 1.1k 1.0× 641 0.7× 252 10.1k
Mohamad Bydon United States 47 5.7k 0.6× 4.7k 0.8× 688 0.6× 607 0.5× 1.5k 1.6× 526 8.4k
Volker K.H. Sonntag United States 60 10.5k 1.0× 8.6k 1.4× 849 0.7× 784 0.7× 947 1.0× 314 12.7k
Praveen V. Mummaneni United States 62 11.2k 1.1× 9.6k 1.6× 686 0.6× 345 0.3× 1.6k 1.6× 404 12.6k

Countries citing papers authored by Jens R. Chapman

Since Specialization
Citations

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

Fields of papers citing papers by Jens R. Chapman

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Jens R. Chapman. 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 Jens R. Chapman. The network helps show where Jens R. Chapman may publish in the future.

Co-authorship network of co-authors of Jens R. Chapman

This figure shows the co-authorship network connecting the top 25 collaborators of Jens R. Chapman. A scholar is included among the top collaborators of Jens R. Chapman 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 Jens R. Chapman. Jens R. Chapman 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.
2.
3.
Ogando‐Rivas, Elizabeth, Trevor M. Yeung, Amir Abdul-Jabbar, et al.. (2025). Iliopsoas Abscesses: Whose Problem is it? Insights Gained by an Institutional 100-Patient Consecutive Case Series. World Neurosurgery. 198. 123978–123978.
4.
5.
Ishak, Basem, Amir Abdul-Jabbar, Alexander von Glinski, et al.. (2021). Comparing Combined Anterior and Posterior to Posterior-Only Decompression and Fusion Crossing the Cervico-Thoracic Junction in Octogenarians. Global Spine Journal. 13(1). 164–171. 2 indexed citations
6.
Yilmaz, Emre, Alexander von Glinski, Thomas A. Schildhauer, et al.. (2020). What are the best trajectories for multiple iliac screw placement in spine surgeries? An anatomical, radiographical and morphometric cadaver analysis.. Injury. 51(6). 1294–1300. 1 indexed citations
7.
Glinski, Alexander von, Christopher Elia, Emre Yilmaz, et al.. (2020). Space-Occupying Lesions of the Retropharyngeal Space: An Anatomical Study With Application to Postoperative Retropharyngeal Hematomas. Global Spine Journal. 11(5). 704–708. 3 indexed citations
8.
Glinski, Alexander von, Basem Ishak, Christopher Elia, et al.. (2020). Emerging Insight in the Use of an Active Post Discharge Surveillance Program in Spine Surgery: A Retrospective Pilot Study. World Neurosurgery. 139. e237–e244. 7 indexed citations
9.
Yilmaz, Emre, Alexander von Glinski, Basem Ishak, et al.. (2019). Outcome After Extreme Lateral Transpsoas Approach: Corpectomies Versus Interbody Fusion. World Neurosurgery. 131. e170–e175. 4 indexed citations
10.
Glinski, Alexander von, Emre Yilmaz, Basem Ishak, et al.. (2019). Neurovascular Relations in Modified Iliac Screws and Traditional Iliac Screw: Anatomic Study. World Neurosurgery. 134. e93–e97. 5 indexed citations
11.
Abdul-Jabbar, Amir, Emre Yilmaz, Joe Iwanaga, et al.. (2018). Neurovascular Relationships of S2AI Screw Placement: Anatomic Study. World Neurosurgery. 116. e108–e112. 23 indexed citations
12.
Alonso, Fernando, Joe Iwanaga, Jens R. Chapman, Rod J. Oskouian, & R. Shane Tubbs. (2017). The Corona Dentis: Description of an Anatomic Variant with Technical Implications for Anterior Odontoid Screw Placement. World Neurosurgery. 104. 132–135.
13.
Rustagi, Tarush, Fernando Alonso, Cameron Schmidt, et al.. (2017). Rapid Progression of Ossification of the Posterior Longitudinal Ligament After Anterior Cervical Discectomy and Fusion. World Neurosurgery. 110. 11–16. 4 indexed citations
14.
Öner, F. Cumhur, Wilco Jacobs, A. Mechteld Lehr, et al.. (2015). Toward the Development of a Universal Outcome Instrument for Spine Trauma. Spine. 41(4). 358–367. 19 indexed citations
15.
Lee, Michael J., Farrokh Farrokhi, Jens R. Chapman, et al.. (2015). The Spine Surgical Care and Outcomes Assessment Program (Spine SCOAP). Spine. 40(5). 332–341. 14 indexed citations
16.
Öner, F. Cumhur, Said Sadiqi, A. Mechteld Lehr, et al.. (2014). Towards the Development of an Outcome Instrument for Spinal Trauma. Spine. 40(2). E91–E96. 9 indexed citations
17.
Fehlings, Michael G., Anick Nater, Jens R. Chapman, James S. Harrop, & Thomas E. Mroz. (2014). Consensus Statement. Spine. 39(22 Suppl 1). S3–S6. 2 indexed citations
18.
Lee, Michael J., Amy M. Cizik, Deven T. Hamilton, & Jens R. Chapman. (2014). Predicting surgical site infection after spine surgery: a validated model using a prospective surgical registry. The Spine Journal. 14(9). 2112–2117. 71 indexed citations
19.
Fehlings, Michael G., Branko Kopjar, S. Tim Yoon, et al.. (2013). Anterior Versus Posterior Surgical Approaches to Treat Cervical Spondylotic Myelopathy. Spine. 38(26). 2247–2252. 183 indexed citations
20.
Cizik, Amy M., Michael J. Lee, Brook I. Martin, et al.. (2012). Using the Spine Surgical Invasiveness Index to Identify Risk of Surgical Site Infection: A Multivariate Analysis. Orthopedics. 35(4). 314–315. 9 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Christopher M. Bono Breakdown of academic impact, for papers by Marcel F. Dvorak Breakdown of academic impact, for papers by James S. Harrop Breakdown of academic impact, for papers by Jonathan N. Grauer Breakdown of academic impact, for papers by Shanmuganathan Rajasekaran Breakdown of academic impact, for papers by Edward C. Benzel Breakdown of academic impact, for papers by Mitchell Maltenfort Breakdown of academic impact, for papers by Mohamad Bydon Breakdown of academic impact, for papers by Volker K.H. Sonntag Breakdown of academic impact, for papers by Praveen V. Mummaneni
Rankless by CCL
2026