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Howard S. An

Active 1990–2025

142
Papers
20,645
Citations
85
h-index
140
i10-index

Citations

Citations per year for Howard S. An1991: 2 citations1994: 1 citations1995: 1 citations1996: 16 citations1997: 16 citations1998: 27 citations1999: 18 citations2000: 49 citations2001: 42 citations2002: 42 citations2003: 71 citations2004: 82 citations2005: 126 citations2006: 167 citations2007: 173 citations2008: 173 citations2009: 208 citations2010: 166 citations2011: 177 citations2012: 127 citations2013: 153 citations2014: 152 citations2015: 149 citations2016: 119 citations2017: 81 citations2018: 98 citations2019: 453 citations2020: 442 citations2021: 386 citations2022: 325 citations2023: 224 citations2024: 335 citations2025: 134 citations2026: 7 citations1992–1993: no citations, so these years are not shown

Citation sources

Countries

World map of the countries and regions citing this authorUnited States: 1,589 citing papers, 32.2% of this breakdownChina: 736 citing papers, 14.9% of this breakdownCanada: 224 citing papers, 4.5% of this breakdownUnited Kingdom: 216 citing papers, 4.4% of this breakdownGermany: 191 citing papers, 3.9% of this breakdownJapan: 188 citing papers, 3.8% of this breakdownSouth Korea: 186 citing papers, 3.8% of this breakdownItaly: 136 citing papers, 2.8% of this breakdownSwitzerland: 134 citing papers, 2.7% of this breakdownNetherlands: 113 citing papers, 2.3% of this breakdownAustralia: 111 citing papers, 2.2% of this breakdownHong Kong: 78 citing papers, 1.6% of this breakdown
0%32.2%Other 20.9%

Institutions

Fields

  • Medicine88.4%
  • Engineering5.9%
  • Biochemistry, Genetics and Molecular Biology2.9%
  • Health Professions0.5%
  • Computer Science0.4%
  • Neuroscience0.4%
  • Other1.5%

Topics

  • Spine and Intervertebral Disc Pathology23.1%
  • Cervical and Thoracic Myelopathy11.9%
  • Musculoskeletal pain and rehabilitation7.4%
  • Spinal Fractures and Fixation Techniques7.1%
  • Scoliosis diagnosis and treatment6.4%
  • Medical Imaging and Analysis3.1%
  • Other41%

Coauthors

All papers

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  1. A Novel Rabbit Model of Mild, Reproducible Disc Degeneration by an Anulus Needle Puncture: Correlation Between the Degree of Disc Injury and Radiological and Histological Appearances of Disc Degeneration

    Authors: Koichi Masuda, Yoichi Aota, Carol Muehleman, Yoshiyuki Imai, Masahiko Okuma, Eugene J-M.A. Thonar, Gunnar B. J. Andersson, Howard S. An - Spine 2005 cited by 723

  2. Surgical versus Nonsurgical Therapy for Lumbar Spinal Stenosis

    Authors: James N. Weinstein, Tor D. Tosteson, Jon D. Lurie, Anna N.A. Tosteson, Emily Blood, Brett Hanscom, Harry N. Herkowitz, Frank P. Cammisa, Todd J. Albert, Scott D. Boden, Alan S. Hilibrand, Harley Goldberg, Sigurd Berven, Howard S. An - New England Journal of Medicine 2008 cited by 1,224

  3. Fibroblast growth factor control of cartilage homeostasis

    Authors: Michael B. Ellman, Dongyao Yan, Kasra Ahmadinia, Dixiao Chen, Howard S. An, H.-J. Im - Journal of Cellular Biochemistry 2012 cited by 208

  4. Artificial intelligence in spine care: current applications and future utility

    Authors: Alexander L. Hornung, Christopher M. Hornung, G. Michael Mallow, J. Nicolás Barajas, A. John Rush, Arash J. Sayari, Fabio Galbusera, Hans‐Joachim Wilke, Matthew W. Colman, Frank M. Phillips, Howard S. An, Dino Samartzis - European Spine Journal 2022 cited by 86

  5. Complications with the use of bone morphogenetic protein 2 (BMP-2) in spine surgery

    Authors: Chadi Tannoury, Howard S. An - The Spine Journal 2014 cited by 425

  6. Novel model to analyze the effect of a large compressive follower pre-load on range of motions in a lumbar spine

    Authors: Susan M. Renner, Raghu N. Natarajan, Avinash G. Patwardhan, Robert M. Havey, Leonard I. Voronov, Bev Y. Guo, Gunnar B. J. Andersson, Howard S. An - Journal of Biomechanics 2006 cited by 247

  7. Quantum Computing: The Future of Big Data and Artificial Intelligence in Spine

    Authors: G. Michael Mallow, Alexander L. Hornung, J. Nicolás Barajas, Samuel S. Rudisill, Howard S. An, Dino Samartzis - Spine Surgery and Related Research 2022 cited by 34

  8. Trends in resource utilization and rate of cervical disc arthroplasty and anterior cervical discectomy and fusion throughout the United States from 2006 to 2013

    Authors: Comron Saifi, Arielle W. Fein, Alejandro Cazzulino, Ronald A. Lehman, Frank M. Phillips, Howard S. An, K. Daniel Riew - The Spine Journal 2017 cited by 300

  9. The Effect of Disc Degeneration and Facet Joint Osteoarthritis on the Segmental Flexibility of the Lumbar Spine

    Authors: Atsushi Fujiwara, Tae‐Hong Lim, Howard S. An, Nobuhiro Tanaka, Chang-Hoon Jeon, Gunnar B. J. Andersson, Victor M. Haughton - Spine 2000 cited by 600

  10. Proinflammatory Cytokines Stimulate the Expression of Nerve Growth Factor by Human Intervertebral Disc Cells

    Authors: Yumiko Abe, Koji Akeda, Howard S. An, Yasuchika Aoki, Rajeswari Pichika, Carol Muehleman, Tomoatsu Kimura, Koichi Masuda - Spine 2007 cited by 172

  11. Artificial intelligence predicts disk re-herniation following lumbar microdiscectomy: development of the “RAD” risk profile

    Authors: Garrett K. Harada, Zakariah K. Siyaji, G. Michael Mallow, Alexander L. Hornung, Fayyazul Hassan, Bryce A. Basques, Haseeb A. Mohammed, Arash J. Sayari, Dino Samartzis, Howard S. An - European Spine Journal 2021 cited by 39

  12. Surgical Versus Nonoperative Treatment for Lumbar Spinal Stenosis Four-Year Results of the Spine Patient Outcomes Research Trial

    Authors: James N. Weinstein, Tor D. Tosteson, Jon D. Lurie, Anna N.A. Tosteson, Emily Blood, Harry N. Herkowitz, Frank P. Cammisa, Todd J. Albert, Scott D. Boden, Alan S. Hilibrand, Harley Goldberg, Sigurd Berven, Howard S. An - Spine 2010 cited by 586

  13. The relationship between facet joint osteoarthritis and disc degeneration of the lumbar spine: an MRI study

    Authors: Atsushi Fujiwara, Kazuya Tamai, Minoru Yamato, Howard S. An, Hiroyuki Yoshida, Koichi Saotome, Akira Kurihashi - European Spine Journal 1999 cited by 443

  14. Age-Related Changes in the Extracellular Matrix of Nucleus Pulposus and Anulus Fibrosus of Human Intervertebral Disc

    Authors: Kern Singh, Koichi Masuda, Eugene J-M.A. Thonar, Howard S. An, Gabriella Cs‐Szabó - Spine 2008 cited by 200

  15. Imaging in Spine Surgery: Current Concepts and Future Directions

    Authors: Garrett K. Harada, Zakariah K. Siyaji, Sadaf Younis, Philip K. Louie, Dino Samartzis, Howard S. An - Spine Surgery and Related Research 2020 cited by 66

  16. Artificial intelligence in predicting early-onset adjacent segment degeneration following anterior cervical discectomy and fusion

    Authors: Samuel S. Rudisill, Alexander L. Hornung, J. Nicolás Barajas, Jack J. Bridge, G. Michael Mallow, Wylie Y. Lopez, Arash J. Sayari, Philip K. Louie, Garrett K. Harada, Youping Tao, Hans‐Joachim Wilke, Matthew W. Colman, Frank M. Phillips, Howard S. An, Dino Samartzis - European Spine Journal 2022 cited by 32

  17. The Relationship Between Disc Degeneration, Facet Joint Osteoarthritis, and Stability of the Degenerative Lumbar Spine

    Authors: Atsushi Fujiwara, Kazuya Tamai, Howard S. An, Akira Kurihashi, Tae‐Hong Lim, Hiroyuki Yoshida, Koichi Saotome - Journal of Spinal Disorders 2000 cited by 255

  18. Effects of Growth Differentiation Factor-5 on the Intervertebral Disc−In Vitro Bovine Study and In Vivo Rabbit Disc Degeneration Model Study

    Authors: Takehide Chujo, Howard S. An, Koji Akeda, Kei Miyamoto, Carol Muehleman, Mohamed Attawia, Gunnar B. J. Andersson, Koichi Masuda - Spine 2006 cited by 218

  19. Biological impact of the fibroblast growth factor family on articular cartilage and intervertebral disc homeostasis

    Authors: Michael B. Ellman, Howard S. An, Prasuna Muddasani, Hee‐Jeong Im - Gene 2008 cited by 183

  20. Preoperative paraspinal neck muscle characteristics predict early onset adjacent segment degeneration in anterior cervical fusion patients: A machine‐learning modeling analysis

    Authors: Arnold Yu Lok Wong, Garrett K. Harada, Remy Lee, Sapan D. Gandhi, Adam Dziedzic, Alejandro A. Espinoza Orías, Mohamad Parnianpour, Philip K. Louie, Bryce A. Basques, Howard S. An, Dino Samartzis - Journal of Orthopaedic Research® 2020 cited by 45

  21. Prediction of lumbar disc herniation resorption in symptomatic patients: a prospective, multi-imaging and clinical phenotype study

    Authors: Alexander L. Hornung, J. Nicolás Barajas, Samuel S. Rudisill, Khaled Aboushaala, Alexander W. Butler, Grant J. Park, Garrett K. Harada, Skylar F. Leonard, Ashley Roberts, Howard S. An, Anton Epifanov, H Albert, Alexander Tkachev, Dino Samartzis - The Spine Journal 2022 cited by 34

  22. Biomechanical Study on the Effect of Cervical Spine Fusion on Adjacent-Level Intradiscal Pressure and Segmental Motion

    Authors: Jason C. Eck, S. Craig Humphreys, Tae-Hong Lim, Soon Tack Jeong, Jesse G. Kim, Scott D. Hodges, Howard S. An - Spine 2002 cited by 793

  23. Platelet-rich plasma stimulates porcine articular chondrocyte proliferation and matrix biosynthesis

    Authors: Koji Akeda, Howard S. An, M Okuma, M. Attawia, Kei Miyamoto, Eugene J-M.A. Thonar, Mary Ellen Lenz, Robert L. Sah, Koichi Masuda - Osteoarthritis and Cartilage 2006 cited by 417

  24. Osteogenic Protein-1 Injection Into a Degenerated Disc Induces the Restoration of Disc Height and Structural Changes in the Rabbit Anular Puncture Model

    Authors: Koichi Masuda, Yoshiyuki Imai, Masahiko Okuma, Carol Muehleman, Koichi Nakagawa, Koji Akeda, Eugene J-M.A. Thonar, Gunnar B. J. Andersson, Howard S. An - Spine 2006 cited by 283