Michael Janssen

1.9k total citations · 1 hit paper
37 papers, 1.4k citations indexed

About

Michael Janssen is a scholar working on Surgery, Pathology and Forensic Medicine and Pharmacology. According to data from OpenAlex, Michael Janssen has authored 37 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 32 papers in Surgery, 31 papers in Pathology and Forensic Medicine and 7 papers in Pharmacology. Recurrent topics in Michael Janssen's work include Spine and Intervertebral Disc Pathology (31 papers), Cervical and Thoracic Myelopathy (23 papers) and Spinal Fractures and Fixation Techniques (15 papers). Michael Janssen is often cited by papers focused on Spine and Intervertebral Disc Pathology (31 papers), Cervical and Thoracic Myelopathy (23 papers) and Spinal Fractures and Fixation Techniques (15 papers). Michael Janssen collaborates with scholars based in United States, Canada and Belgium. Michael Janssen's co-authors include Jack E. Zigler, Rick B. Delamarter, Bruce V. Darden, Daniel B. Murrey, Bobby Tay, Jeffrey A. Goldstein, Jeffrey M. Spivak, Branko Kopjar, John Devine and Dena J. Fischer and has published in prestigious journals such as Journal of Bone and Joint Surgery, Spine and Neurosurgery.

In The Last Decade

Michael Janssen

36 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.

Results of the prospective, randomized, controlled multicenter Food and Drug Administration investigational device exemption study of the ProDisc-C total disc replacement versus anterior discectomy and fusion for the treatment of 1-level symptomatic cervical disc disease

2008 433 citations Daniel B. Murrey, Michael Janssen et al. The Spine Journal profile →

Peers

Countries citing papers authored by Michael Janssen

Since Specialization

Citations

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

Fields of papers citing papers by Michael Janssen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Michael Janssen

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work	Indexed citations
1	From static X-rays to dynamic 3D tracking: A scoping review of cervical spine Imaging-Based motion assessment 2025 ·European Spine Journal ·(unknown), (unknown), (unknown), (unknown), (unknown), Michael Janssen, (unknown)	0
2	Segmental Motion of Cervical Arthroplasty Leads to Decreased Adjacent-Level Degeneration: Analysis of the 7-Year Postoperative Results of a Multicenter Randomized Controlled Trial 2022 ·The International Journal of Spine Surgery ·Jeffrey M. Spivak, Jack E. Zigler, (unknown), Michael Janssen, Bruce V. Darden, Kris E. Radcliff	9
3	Bone substitutes and expanders in Spine Surgery: A review of their fusion efficacies 2016 ·The International Journal of Spine Surgery ·(unknown), Paul W. Millhouse, Christopher K. Kepler, Kris E. Radcliff, Michael G. Fehlings, Michael Janssen, Rick C. Sasso, James J. Benedict, Alexander R. Vaccaro	72
4	ProDisc-C Total Disc Replacement Versus Anterior Cervical Discectomy and Fusion for Single-Level Symptomatic Cervical Disc Disease 2015 ·Journal of Bone and Joint Surgery ·Michael Janssen, Jack E. Zigler, Jeffrey M. Spivak, Rick B. Delamarter, Bruce V. Darden, Branko Kopjar	137
5	ProDisc-C and Anterior Cervical Discectomy and Fusion as Surgical Treatment for Single-Level Cervical Symptomatic Degenerative Disc Disease 2012 ·Spine ·Jack E. Zigler, Rick B. Delamarter, (unknown), Jeffrey M. Spivak, Michael Janssen	185
6	Seven-Year Results of the ProDisc-C Multicenter Randomized Clinical Trial 2012 ·The Spine Journal ·Daniel B. Murrey, Jack E. Zigler, Rick B. Delamarter, Jeffrey M. Spivak, Michael Janssen	1
7	Vascular Injury in Elective Anterior Lumbosacral Surgery 2010 ·Spine ·Kirkham B. Wood, John Devine, Dena J. Fischer, Joseph R. Dettori, Michael Janssen	101
8	Results at 24 months from the prospective, randomized, multicenter Investigational Device Exemption trial of ProDisc-C versus anterior cervical discectomy and fusion with 4-year follow-up and continued access patients 2010 ·PubMed ·Rick B. Delamarter, Daniel B. Murrey, Michael Janssen, Jeffrey A. Goldstein, Jack E. Zigler, Bobby Tay, Bruce V. Darden	59
9	Incidence of dysphagia comparing cervical arthroplasty and ACDF 2009 ·PubMed ·(unknown), (unknown), Bruce V. Darden, Michael Janssen, Daniel B. Murrey, Alfred L. Rhyne, (unknown), (unknown)	30
10	Results of the prospective, randomized, controlled multicenter Food and Drug Administration investigational device exemption study of the ProDisc-C total disc replacement versus anterior discectomy and fusion for the treatment of 1-level symptomatic cervical disc disease breakdown → 2008 ·The Spine Journal ·Daniel B. Murrey, Michael Janssen, Rick B. Delamarter, Jeffrey A. Goldstein, Jack E. Zigler, Bobby Tay, Bruce V. Darden	433
11	Two-Year Results of a Randomized Controlled Clinical Trial Comparing ProDisc-C and Anterior Cervical Discectomy and Fusion 2008 ·The International Journal of Spine Surgery ·Daniel B. Murrey, Michael Janssen, Susan M. Odum, (unknown), Leo R. Spector, Bruce V. Darden	17
12	The Use of Computed Tomography Angiography to Define the Prevertebral Vascular Anatomy Prior to Anterior Lumbar Procedures 2007 ·Spine ·(unknown), Michael Janssen, (unknown), (unknown)	34
13	Sagittal Split Fractures in Multilevel Cervical Arthroplasty Using a Keeled Prosthesis 2007 ·Journal of Spinal Disorders & Techniques ·(unknown), Michael Janssen, (unknown), (unknown)	29
14	Anterior Lumbar Interbody Fusion Using Femoral Ring Allograft for Treatment of Degenerative Disc Disease 2005 ·Seminars in Spine Surgery ·Michael Janssen, (unknown)	1
15	Outcomes of allogenic cages in anterior and posterior lumbar interbody fusion 2001 ·European Spine Journal ·Michael Janssen, (unknown), (unknown)	45
16	Biological cages 2000 ·European Spine Journal ·Michael Janssen, (unknown), (unknown), (unknown)	10
17	LUMBAR HERNIATED DISK DISEASE: COMPARISON OF MRI, MYELOGRAPHY, AND POST-MYELOGRAPHIC CT SCAN WITH SURGICAL FINDINGS 1994 ·Orthopedics ·Michael Janssen, Styles Bertrand, (unknown), (unknown)	30
18	A Correlation of Cervical Magnetic Resonance Imaging and Discography/Computed Tomographic Discograms 1994 ·Spine ·(unknown), Michael Janssen	46
19	A prospective, randomized study of pefloxacin versus teicoplanin in the treatment of gram-positive coccal infections in cancer patients: early termination due to emergence of resistance to fluoroquinolones 1994 ·Supportive Care in Cancer ·M. Aoun, P Van der Auwera, Ioannis Varthalitis, (unknown), Michael Janssen, D. Daneau, F. Meunier	3
20	Congenital Absence of Pericardium: An Unusual Cause of Atypical Angina 1988 ·The Annals of Thoracic Surgery ·James Chapman, Joseph W. Rubin, Charles M. Gross, Michael Janssen	14

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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