Christopher I. Shaffrey

47.6k citations

803 papers · 29.2k indexed · 12 hit papers · h-index 88

Surgery top 0.01%
Pathology and Forensic Medicine top 0.01%
Pharmacology top 0.5%
Biomedical Engineering top 2%
Public Health, Environmental and Occupational Health top 1%

Co-authors: Justin S. Smith Christopher P. Ames Virginie Lafage Shay Bess Frank J. Schwab Robert A. Hart Richard A. Hostin Douglas C. Burton
Topics: Spinal Fractures and Fixation Techniques (568 papers)Scoliosis diagnosis and treatment (528 papers)Spine and Intervertebral Disc Pathology (495 papers)
Cited by: Pathology and Forensic Medicine Surgery Pharmacology
Journals: PLoS ONE Neurology Journal of Bone and Joint Surgery
Partner nations: United States Canada Japan

In The Last Decade

Christopher I. Shaffrey

760 papers receiving 28.7k citations

Hit Papers

5 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.

Scoliosis Research Society—Schwab Adult Spinal Deformity Classification

2011 929 citations Frank Schwab, Christopher I. Shaffrey et al. profile →
Early versus Delayed Decompression for Traumatic Cervical Spinal Cord Injury: Results of the Surgical Timing in Acute Spinal Cord Injury Study (STASCIS)

2012 778 citations Christopher I. Shaffrey, Stephen J. Lewis et al. profile →
Radiographical Spinopelvic Parameters and Disability in the Setting of Adult Spinal Deformity

2013 756 citations Frank J. Schwab, Shay Bess et al. profile →
Cervical spine alignment, sagittal deformity, and clinical implications

2013 487 citations Justin K. Scheer, Justin S. Smith et al. profile →
The Impact of Standing Regional Cervical Sagittal Alignment on Outcomes in Posterior Cervical Fusion Surgery

2015 471 citations Justin K. Scheer, Justin S. Smith et al. profile →
Cervical Radiographical Alignment

2013 380 citations Christopher P. Ames, Justin K. Scheer et al. profile →
The Impact of Standing Regional Cervical Sagittal Alignment on Outcomes in Posterior Cervical Fusion Surgery

2012 374 citations Justin K. Scheer, Justin S. Smith et al. profile →
Efficacy and Safety of Surgical Decompression in Patients with Cervical Spondylotic Myelopathy

2013 364 citations Christopher I. Shaffrey, Justin S. Smith et al. profile →
The Comprehensive Anatomical Spinal Osteotomy Classification

2013 345 citations Frank Schwab, Lawrence G. Lenke et al. profile →
Defining Spino-Pelvic Alignment Thresholds

2015 316 citations Renaud Lafage, Frank J. Schwab et al. profile →
The SRS-Schwab Adult Spinal Deformity Classification

2013 316 citations Jamie S. Terran, Frank J. Schwab et al. profile →
The T1 Pelvic Angle, a Novel Radiographic Measure of Global Sagittal Deformity, Accounts for Both Spinal Inclination and Pelvic Tilt and Correlates with Health-Related Quality of Life

2014 303 citations Themistocles S. Protopsaltis, Frank J. Schwab et al. profile →

Peers

Countries citing papers authored by Christopher I. Shaffrey

Since Specialization

Citations

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

Fields of papers citing papers by Christopher I. Shaffrey

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Christopher I. Shaffrey. 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 Christopher I. Shaffrey. The network helps show where Christopher I. Shaffrey may publish in the future.

Co-authorship network of co-authors of Christopher I. Shaffrey

This figure shows the co-authorship network connecting the top 25 collaborators of Christopher I. Shaffrey. A scholar is included among the top collaborators of Christopher I. Shaffrey 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 Christopher I. Shaffrey. Christopher I. Shaffrey 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

#	Work	Indexed citations
1	The Importance of Planning Ahead: A Three-Dimensional Analysis of the Novel Trans-Facet Corridor for Posterior Lumbar Interbody Fusion Using Segmentation Technology 2024 ·World Neurosurgery ·(unknown),(unknown),(unknown),(unknown),(unknown),Christopher I. Shaffrey,H. John,Wilson Z. Ray,C. Rory Goodwin,Timothy J. Amrhein,Muhammad M. Abd‐El‐Barr	0
2	A comparative cohort study of surgical approaches for adult spinal deformity at a minimum 2-year follow-up 2024 ·European Spine Journal ·Gregory S. Kazarian,(unknown),Hongda Bao,Alex Soroceanu,Michael P. Kelly,Khaled M. Kebaish,Christopher I. Shaffrey,Douglas C. Burton,Christopher P. Ames,Gregory M. Mundis,Shay Bess,Eric O. Klineberg,(unknown),Frank J. Schwab,Han Jo Kim,(unknown)	0
3	Pushing the Limits of Minimally Invasive Spine Surgery—From Preoperative to Intraoperative to Postoperative Management 2024 ·Journal of Clinical Medicine ·(unknown),(unknown),(unknown),(unknown),(unknown),Timothy Y. Wang,(unknown),Oren N. Gottfried,Jeanna Blitz,Melissa Erickson,Shivanand P. Lad,W. Michael Bullock,Christopher I. Shaffrey,Muhammad M. Abd‐El‐Barr	6
4	Use of supplemental rod constructs in adult spinal deformity surgery 2023 ·Seminars in Spine Surgery ·Thomas J. Buell,Juan P. Sardi,Chun‐Po Yen,David O. Okonkwo,D. Kojo Hamilton,Jeffrey L. Gum,Lawrence G. Lenke,Christopher I. Shaffrey,Munish C. Gupta,Justin S. Smith	1
5	Activity and sports resumption after long segment fusions to the pelvis for adult spinal deformity: survey results of AO Spine members 2023 ·Spine Deformity ·Alekos A. Theologis,Daniel D. Cummins,So Kato,Stephen J. Lewis,Christopher I. Shaffrey,Lawrence G. Lenke,Sigurd Berven,(unknown)	1
6	Novel Approach to Percutaneous Lumbar Surgeries via Kambin's Triangle—Radiographic and Surgical Planning Analysis with Nerve Segmentation Technology 2023 ·World Neurosurgery ·(unknown),(unknown),(unknown),(unknown),Timothy Y. Wang,Vikram A. Mehta,Christopher I. Shaffrey,Walter F. Wiggins,H. John,Muhammad M. Abd‐El‐Barr	7
7	Evolving concepts in pelvic fixation in adult spinal deformity surgery 2023 ·Seminars in Spine Surgery ·Jay D. Turner,Alexander J. Schüpper,Praveen V. Mummaneni,Juan S. Uribe,Robert K. Eastlack,Gregory M. Mundis,Peter G. Passias,Joseph D. DiDomenico,S. Harrison Farber,(unknown),Christopher I. Shaffrey,Eric O. Klineberg,Alan H. Daniels,Thomas J. Buell,Douglas C. Burton,Jeffrey L. Gum,Lawrence G. Lenke,Shay Bess,Jeffrey P. Mullin	1
8	Awake Spinal Fusion Is Associated with Reduced Length of Stay, Opioid Use, and Time to Ambulation Compared to General Anesthesia: A Matched Cohort Study 2023 ·World Neurosurgery ·(unknown),(unknown),Nauman S. Chaudhry,(unknown),Christopher I. Shaffrey,W. Michael Bullock,Nicole R. Guinn,Jeff Gadsden,Miles Berger,Muhammad M. Abd‐El‐Barr	5
9	Use of rhBMP-2 for adult spinal deformity surgery: patterns of usage and changes over the past decade 2021 ·Neurosurgical FOCUS ·(unknown),Justin S. Smith,Shay Bess,Eric O. Klineberg,Christopher P. Ames,Gregory M. Mundis,Han Jo Kim,Renaud Lafage,Munish C. Gupta,Douglas C. Burton,Christopher I. Shaffrey,Frank J. Schwab,Virginie Lafage,(unknown)	12
10	Rotational thromboelastometry–guided transfusion during lumbar pedicle subtraction osteotomy for adult spinal deformity: preliminary findings from a matched cohort study 2019 ·Neurosurgical FOCUS ·Thomas J. Buell,Davis G. Taylor,Ching‐Jen Chen,Lauren K. Dunn,Jeffrey P. Mullin,Marcus D. Mazur,Chun‐Po Yen,Mark E. Shaffrey,Christopher I. Shaffrey,Justin S. Smith,Bhiken I. Naik	7
11	Defining the minimum clinically important difference for grade I degenerative lumbar spondylolisthesis: insights from the Quality Outcomes Database 2018 ·Neurosurgical FOCUS ·Anthony L. Asher,Panagiotis Kerezoudis,Praveen V. Mummaneni,Erica F. Bisson,Steven D. Glassman,Kevin T. Foley,Jonathan R. Slotkin,Eric A. Potts,Mark E. Shaffrey,Christopher I. Shaffrey,Domagoj Coric,John J. Knightly,Paul Park,Kai-Ming Fu,Clinton J. Devin,Kristin R. Archer,Silky Chotai,Andrew K. Chan,Michael S. Virk,Mohamad Bydon	88
12	An assessment of frailty as a tool for risk stratification in adult spinal deformity surgery 2017 ·Neurosurgical FOCUS ·Emily Miller,Brian J. Neuman,Amit Jain,Alan H. Daniels,Tamir Ailon,Daniel M. Sciubba,Khaled M. Kebaish,Virginie Lafage,Justin K. Scheer,Justin S. Smith,Shay Bess,Christopher I. Shaffrey,Christopher P. Ames,(unknown)	121
13	Impact of case type, length of stay, institution type, and comorbidities on Medicare diagnosis-related group reimbursement for adult spinal deformity surgery 2017 ·Neurosurgical FOCUS ·Pierce D. Nunley,Gregory M. Mundis,Richard G. Fessler,Paul Park,Joseph M. Zavatsky,Juan S. Uribe,Robert K. Eastlack,Dean Chou,Michael Y. Wang,Neel Anand,(unknown),Marcus B. Stone,Adam S. Kanter,Christopher I. Shaffrey,Praveen V. Mummaneni,(unknown)	4
14	Potential of predictive computer models for preoperative patient selection to enhance overall quality-adjusted life years gained at 2-year follow-up: a simulation in 234 patients with adult spinal deformity 2017 ·Neurosurgical FOCUS ·Tae-Min Oh,Justin K. Scheer,Justin S. Smith,Richard A. Hostin,Chessie Robinson,Jeffrey L. Gum,Frank J. Schwab,Robert A. Hart,Virginie Lafage,Douglas C. Burton,Shay Bess,Themistocles S. Protopsaltis,Eric O. Klineberg,Christopher I. Shaffrey,Christopher P. Ames,(unknown)	26
15	Minimally invasive versus open fusion for Grade I degenerative lumbar spondylolisthesis: analysis of the Quality Outcomes Database 2017 ·Neurosurgical FOCUS ·Praveen V. Mummaneni,Erica F. Bisson,Panagiotis Kerezoudis,Steven D. Glassman,Kevin T. Foley,Jonathan R. Slotkin,Eric A. Potts,Mark E. Shaffrey,Christopher I. Shaffrey,Domagoj Coric,John J. Knightly,Paul Park,Kai-Ming Fu,Clinton J. Devin,Silky Chotai,Andrew K. Chan,Mandeep S. Virk,Anthony L. Asher,Mohamad Bydon	55
16	Male sex may not be associated with worse outcomes in primary all-posterior adult spinal deformity surgery: a multicenter analysis 2017 ·Neurosurgical FOCUS ·David B. Bumpass,Lawrence G. Lenke,Jeffrey L. Gum,Christopher I. Shaffrey,Justin S. Smith,Christopher P. Ames,Shay Bess,Brian J. Neuman,Eric O. Klineberg,Gregory M. Mundis,Frank Schwab,Virginie Lafage,Han Jo Kim,Douglas C. Burton,Khaled M. Kebaish,Richard A. Hostin,Renaud Lafage,Michael P. Kelly,(unknown)	10
17	Complications in adult spinal deformity surgery: an analysis of minimally invasive, hybrid, and open surgical techniques 2014 ·Neurosurgical FOCUS ·Juan S. Uribe,Armen R. Deukmedjian,Praveen V. Mummaneni,Kai-Ming Fu,Gregory M. Mundis,David O. Okonkwo,Adam S. Kanter,Robert K. Eastlack,Michael Y. Wang,Neel Anand,Richard G. Fessler,Frank La Marca,Paul Park,Virginie Lafage,Vedat Deviren,Shay Bess,Christopher I. Shaffrey	108
18	Evaluation of complications and neurological deficits with three-column spine reconstructions for complex spinal deformity: a retrospective Scoli-RISK-1 study 2014 ·Neurosurgical FOCUS ·Michael P. Kelly,Lawrence G. Lenke,Christopher I. Shaffrey,Christopher P. Ames,Leah Y. Carreon,Virginie Lafage,Justin S. Smith,Adam L. Shimer	84
19	Comparison of radiographic results after minimally invasive, hybrid, and open surgery for adult spinal deformity: a multicenter study of 184 patients 2014 ·Neurosurgical FOCUS ·Raqeeb Haque,Gregory M. Mundis,Yousef M. Ahmed,(unknown),Michael Y. Wang,Praveen V. Mummaneni,Juan S. Uribe,David O. Okonkwo,Robert K. Eastlack,Neel Anand,Adam S. Kanter,Frank La Marca,Behrooz A. Akbarnia,Paul Park,Virginie Lafage,Jamie S. Terran,Christopher I. Shaffrey,Eric O. Klineberg,Vedat Deviren,Richard G. Fessler	69
20	Cost-effectiveness of lumbar discectomy and single-level fusion for spondylolisthesis: experience with the NeuroPoint-SD registry 2014 ·Neurosurgical FOCUS ·Praveen V. Mummaneni,Robert G. Whitmore,Jill Curran,John E. Ziewacz,Rishi Wadhwa,Christopher I. Shaffrey,Anthony L. Asher,Robert F. Heary,Joseph Cheng,R. John Hurlbert,(unknown),Justin S. Smith,Neil R. Malhotra,Stephen J. Dante,Subu N. Magge,Michael G. Kaiser,Khalid M. Abbed,Daniel K. Resnick,Zoher Ghogawala	34

About Christopher I. Shaffrey

Christopher I. Shaffrey is a scholar working on Pathology and Forensic Medicine, Surgery and Pharmacology, having authored 803 papers that have together received 29.2k indexed citations. Recurring topics across this work include Spinal Fractures and Fixation Techniques (568 papers), Scoliosis diagnosis and treatment (528 papers) and Spine and Intervertebral Disc Pathology (495 papers). The work is most often cited by research in Pathology and Forensic Medicine (20.1k citations), Surgery (26.6k citations) and Pharmacology (1.6k citations). Christopher I. Shaffrey has collaborated with scholars based in United States, Canada and Japan. Frequent co-authors include Justin S. Smith, Christopher P. Ames, Virginie Lafage, Shay Bess, Frank J. Schwab, Robert A. Hart, Richard A. Hostin, Douglas C. Burton, Justin K. Scheer and Eric O. Klineberg. Their work appears in journals such as PLoS ONE, Neurology and Journal of Bone and Joint Surgery.

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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