Zach Pennington

4.4k total citations · 1 hit paper
219 papers, 2.7k citations indexed

About

Zach Pennington is a scholar working on Surgery, Pathology and Forensic Medicine and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Zach Pennington has authored 219 papers receiving a total of 2.7k indexed citations (citations by other indexed papers that have themselves been cited), including 174 papers in Surgery, 110 papers in Pathology and Forensic Medicine and 23 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Zach Pennington's work include Spine and Intervertebral Disc Pathology (104 papers), Spinal Fractures and Fixation Techniques (78 papers) and Management of metastatic bone disease (59 papers). Zach Pennington is often cited by papers focused on Spine and Intervertebral Disc Pathology (104 papers), Spinal Fractures and Fixation Techniques (78 papers) and Management of metastatic bone disease (59 papers). Zach Pennington collaborates with scholars based in United States, China and India. Zach Pennington's co-authors include Daniel M. Sciubba, Daniel Lubelski, Ethan Cottrill, Jeff Ehresman, Ali Ahmed, Andrew Schilling, Erick M. Westbroek, Majid Khan, A. Karim Ahmed and Matthew L. Goodwin and has published in prestigious journals such as Spine, Journal of neurosurgery and Neurosurgery.

In The Last Decade

Zach Pennington

193 papers receiving 2.6k 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.

Novel MRI-based score for assessment of bone density in operative spine patients

2019 172 citations Jeff Ehresman, Zach Pennington et al. The Spine Journal profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Zach Pennington United States	27	2.0k	1.3k	594	298	174	219	2.7k
Jeff Ehresman United States	22	1.1k 0.5×	639 0.5×	416 0.7×	264 0.9×	108 0.6×	76	1.5k
Joong Mo Ahn South Korea	29	1.7k 0.8×	661 0.5×	308 0.5×	436 1.5×	73 0.4×	140	2.6k
Rolando M. Puno United States	28	2.9k 1.4×	1.9k 1.5×	408 0.7×	90 0.3×	148 0.9×	47	3.4k
L. Bastian Germany	30	3.2k 1.5×	2.2k 1.7×	174 0.3×	150 0.5×	34 0.2×	95	3.6k
H. John United States	27	1.5k 0.7×	853 0.7×	133 0.2×	72 0.2×	62 0.4×	95	2.2k
Richard J. Bruce United States	13	792 0.4×	222 0.2×	458 0.8×	756 2.5×	95 0.5×	29	2.0k
John E. OʼToole United States	26	2.1k 1.0×	1.8k 1.4×	235 0.4×	34 0.1×	66 0.4×	105	2.6k
Richard Edwards United Kingdom	18	1.4k 0.7×	782 0.6×	80 0.1×	66 0.2×	137 0.8×	45	2.1k
Robert McBroom Canada	20	1.8k 0.9×	566 0.4×	244 0.4×	337 1.1×	19 0.1×	32	2.5k

Countries citing papers authored by Zach Pennington

Since Specialization

Citations

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

Fields of papers citing papers by Zach Pennington

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Zach Pennington

This figure shows the co-authorship network connecting the top 25 collaborators of Zach Pennington. A scholar is included among the top collaborators of Zach Pennington 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 Zach Pennington. Zach Pennington 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

Brown, Nolan J., et al.. (2024). Spinal Robotics in Adult Spinal Deformity Surgery: A Systematic Review. Neurospine. 21(1). 20–29. 11 indexed citations

Lakomkin, Nikita, Zach Pennington, Archis R. Bhandarkar, et al.. (2024). Optimal Implant Sizing Using Machine Learning Is Associated With Increased Range of Motion After Cervical Disk Arthroplasty. Neurosurgery. 95(3). 627–633. 1 indexed citations

Cottrill, Ethan, et al.. (2024). Gene Therapy and Spinal Fusion: Systematic Review and Meta-Analysis of the Available Data. World Neurosurgery. 186. 219–234.e4. 1 indexed citations

Gendreau, Julian, Andrew Nguyen, Nolan J. Brown, et al.. (2023). External Validation of the Global Alignment and Proportion Score as Prognostic Tool for Corrective Surgery in Adult Spinal Deformity: A Systematic Review and Meta-Analysis. World Neurosurgery. 177. e600–e612. 3 indexed citations

Rogers, James L., Alexander M. Lopez, Nolan J. Brown, et al.. (2023). Resident Training in Spine Surgery: A Systematic Review of Simulation-Based Educational Models. World Neurosurgery. 174. 81–115. 11 indexed citations

Pennington, Zach, Giorgos D. Michalopoulos, Robert J. Spinner, et al.. (2022). Positive impact of the pandemic: the effect of post–COVID-19 virtual visit implementation on departmental efficiency and patient satisfaction in a quaternary care center. Neurosurgical FOCUS. 52(6). E10–E10. 6 indexed citations

Ransom, Seth C., Nolan J. Brown, Zach Pennington, et al.. (2022). Hypothermia Therapy for Traumatic Spinal Cord Injury: An Updated Review. Journal of Clinical Medicine. 11(6). 1585–1585. 18 indexed citations

Elsamadicy, Aladine A., J Havlík, Benjamin C. Reeves, et al.. (2022). Assessment of Frailty Indices and Charlson Comorbidity Index for Predicting Adverse Outcomes in Patients Undergoing Surgery for Spine Metastases: A National Database Analysis. World Neurosurgery. 164. e1058–e1070. 19 indexed citations

Porras, Jose L., Zach Pennington, Andrew M. Hersh, et al.. (2021). Radiotherapy and Surgical Advances in the Treatment of Metastatic Spine Tumors: A Narrative Review. World Neurosurgery. 151. 147–154. 11 indexed citations

10.

Lubelski, Daniel, Andrew M. Hersh, Tej D. Azad, et al.. (2021). Prediction Models in Degenerative Spine Surgery: A Systematic Review. Global Spine Journal. 11(1_suppl). 79S–88S. 28 indexed citations

11.

Sacino, Amanda N., Zach Pennington, Daniel Lubelski, et al.. (2021). Nerve Root Sparing En Bloc Resection of Sacral Chondrosarcoma: Technical Note and Review of the Literature. Operative Neurosurgery. 21(6). 497–506. 1 indexed citations

12.

Hersh, Andrew M., Zach Pennington, Andrew Schilling, et al.. (2021). Plastic surgery wound closure following resection of spinal metastases. Clinical Neurology and Neurosurgery. 207. 106800–106800. 7 indexed citations

13.

Lubelski, Daniel, James Feghali, Jeff Ehresman, et al.. (2021). Web-Based Calculator Predicts Surgical-Site Infection After Thoracolumbar Spine Surgery. World Neurosurgery. 151. e571–e578. 9 indexed citations

14.

Sciubba, Daniel M., Zach Pennington, Matthew W. Colman, et al.. (2021). Spinal metastases 2021: a review of the current state of the art and future directions. The Spine Journal. 21(9). 1414–1429. 50 indexed citations

15.

Pennington, Zach, Jose L. Porras, Sheng-Fu Larry Lo, & Daniel M. Sciubba. (2021). International Variability in Spinal Metastasis Treatment: A Survey of the AO Spine Community. Global Spine Journal. 13(6). 1622–1634. 5 indexed citations

16.

Ahmed, A. Karim, Elizabeth Howell, Stephen C. Harward, et al.. (2020). Split cord malformation in adults: Literature review and classification. Clinical Neurology and Neurosurgery. 193. 105733–105733. 13 indexed citations

17.

Pennington, Zach, Jeff Ehresman, Edward F. McCarthy, et al.. (2020). Chordoma of the sacrum and mobile spine: a narrative review. The Spine Journal. 21(3). 500–517. 28 indexed citations

18.

Molina, Camilo A., Zach Pennington, A. Karim Ahmed, et al.. (2019). Use of Intraoperative Indocyanine Green Angiography for Feeder Vessel Ligation and En Bloc Resection of Intramedullary Hemangioblastoma. Operative Neurosurgery. 17(6). 573–579. 8 indexed citations

19.

Ehresman, Jeff, A. Karim Ahmed, Andrew Schilling, et al.. (2019). Preoperative Nutrition Consults Associated with Decreased Postoperative Complication Rate and Decreased Length of Hospital Stay After Spine Metastasis Surgery. World Neurosurgery. 133. e173–e179. 29 indexed citations

20.

Pennington, Zach, A. Karim Ahmed, C. Rory Goodwin, Erick M. Westbroek, & Daniel M. Sciubba. (2019). The Use of Sacral Osteotomy in the Correction of Spinal Deformity: Technical Report and Systematic Review of the Literature. World Neurosurgery. 130. 285–292. 4 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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