Koji Otani

3.4k total citations · 1 hit paper
158 papers, 2.3k citations indexed

About

Koji Otani is a scholar working on Surgery, Pathology and Forensic Medicine and Pharmacology. According to data from OpenAlex, Koji Otani has authored 158 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 86 papers in Surgery, 81 papers in Pathology and Forensic Medicine and 61 papers in Pharmacology. Recurrent topics in Koji Otani's work include Spine and Intervertebral Disc Pathology (80 papers), Musculoskeletal pain and rehabilitation (58 papers) and Scoliosis diagnosis and treatment (28 papers). Koji Otani is often cited by papers focused on Spine and Intervertebral Disc Pathology (80 papers), Musculoskeletal pain and rehabilitation (58 papers) and Scoliosis diagnosis and treatment (28 papers). Koji Otani collaborates with scholars based in Japan, Sweden and United States. Koji Otani's co-authors include Shin‐ichi Konno, Shinichi Kikuchi, Miho Sekiguchi, Shoji Yabuki, Kjell Olmarker, Yoshihiro Ônishi, Misa Takegami, Shunichi Fukuhara, Takuya Nikaido and Shin Yamazaki and has published in prestigious journals such as Gastroenterology, PLoS ONE and Scientific Reports.

In The Last Decade

Koji Otani

144 papers receiving 2.2k citations

Hit Papers

XR (Extended Reality: Virtual Reality, Augmented Reality,... 2022 2026 2023 2024 2022 40 80 120
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. XR (Extended Reality: Virtual Reality, Augmented Reality, Mixed Reality) Technology in Spine Medicine: Status Quo and Quo Vadis
    2022 143 citations Tadatsugu Morimoto, Takaomi Kobayashi et al. Journal of Clinical Medicine profile →

Peers

Koji Otani
Matthew Smuck United States
Suzanne J. Snodgrass Australia
Raymond Lee United Kingdom
Henk van Mameren Netherlands
Jean‐Michel Brismée United States
Martin N. Stienen Switzerland
Marco Invernizzi Italy
Liset Pengel United Kingdom
Morey J. Kolber United States
Nicola Marotta Italy
Matthew Smuck United States
Koji Otani
Citations per year, relative to Koji Otani Koji Otani (= 1×) peers Matthew Smuck

Countries citing papers authored by Koji Otani

Since Specialization
Citations

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

Fields of papers citing papers by Koji Otani

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Koji Otani

This figure shows the co-authorship network connecting the top 25 collaborators of Koji Otani. A scholar is included among the top collaborators of Koji Otani 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 Koji Otani. Koji Otani 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.
Kobayashi, Hiroshi, Takuya Nikaido, Kazuyuki Watanabe, et al.. (2025). Impact of Cervical Micro-endoscopic Laminotomy on Postoperative Neck Pain and Range of Motion. Spine. 51(4). 257–263.
2.
Shikama, Yayoi, et al.. (2024). Culturally-aligned clinical leadership competencies for effective teamwork in Japanese healthcare. BMC Medical Education. 24(1). 1315–1315.
3.
Kobayashi, Hiroshi, Kazuyuki Watanabe, Koji Otani, et al.. (2024). Radiographic Knee Osteoarthritis Is a Risk Factor for the Development of Dementia: Locomotive Syndrome and Health Outcomes in the Aizu Cohort Study. Journal of Clinical Medicine. 13(16). 4956–4956. 2 indexed citations
4.
Watanabe, Kazuyuki, Koji Otani, Takuya Nikaido, et al.. (2024). Time Course of Asymptomatic Stenosis in Multiple Lumbar Spinal Stenosis—Five-Year Results of Selective Decompression of Symptomatic Levels. Medicina. 60(4). 636–636.
5.
6.
Otani, Koji, Miho Sekiguchi, Kenichi Otoshi, et al.. (2024). Influence of Knee Osteoarthritis Severity, Knee Pain, and Depression on Physical Function: A Cross-Sectional Study. Clinical Interventions in Aging. Volume 19. 1653–1662. 3 indexed citations
7.
Kobayashi, Takaomi, Tadatsugu Morimoto, Chisato Shimanoe, et al.. (2023). Risk factors for progression of the severity of locomotive syndrome: A two-year longitudinal observational study. Journal of Orthopaedic Science. 29(2). 646–652. 6 indexed citations
8.
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Ishii, Shiro, Tatsuya Ando, Takeyasu Kakamu, et al.. (2023). Lumbar intradural space reduction during the Valsalva maneuver observed using cine MRI and MR myelography: a single-case experimental study. Acta Neurochirurgica. 165(8). 2111–2120. 3 indexed citations
10.
Tang, Zunyi, Yayoi Shikama, & Koji Otani. (2023). Comparison of student self-assessment and teacher assessment of medical interview performance during bedside learning. FUKUSHIMA JOURNAL OF MEDICAL SCIENCE. 69(1). 21–28. 5 indexed citations
11.
Kurita, Noriaki, et al.. (2023). Relationship between dysphagia and motor function in community‐dwelling older people. Geriatrics and gerontology international. 23(8). 603–608. 5 indexed citations
12.
Uchida, Kazuaki, et al.. (2023). Effect of car use on social frailty among community-dwelling older adults in rural areas. Journal of Transport & Health. 30. 101609–101609. 1 indexed citations
13.
Kato, Kinshi, Shoji Yabuki, Koji Otani, et al.. (2023). A muscle-preserving, spinous process-splitting approach for ossification of the ligamentum flavum in the thoracic spine in professional athletes: a report of three cases. FUKUSHIMA JOURNAL OF MEDICAL SCIENCE. 69(2). 143–150.
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Kurita, Noriaki, Shin Yamazaki, Norio Fukumori, et al.. (2013). Overactive bladder symptom severity is associated with falls in community-dwelling adults: LOHAS study. BMJ Open. 3(5). e002413–e002413. 30 indexed citations
16.
Otani, Koji, et al.. (2013). Surgery for Lumbar Spinal Stenosis : Treatment Strategy for Outstanding Treatment Results. THE JOURNAL OF JAPAN SOCIETY FOR CLINICAL ANESTHESIA. 33(2). 307–311.
17.
Otani, Koji. (2012). Failed Back Surgery Syndrome (FBSS). THE JOURNAL OF JAPAN SOCIETY FOR CLINICAL ANESTHESIA. 32(2). 266–270. 1 indexed citations
18.
Nikaido, Takuya, Shinichi Kikuchi, Shoji Yabuki, Koji Otani, & Shin‐ichi Konno. (2009). Surgical Treatment Assessment Using the Japanese Orthopedic Association Cervical Myelopathy Evaluation Questionnaire in Patients With Cervical Myelopathy. Spine. 34(23). 2568–2572. 29 indexed citations
19.
Otani, Koji. (2005). Pathogenesis of failed back syndrome. 12(2). 59–68.
20.
Otani, Koji, Shin‐ichi Konno, & S. Kikuchi. (2001). Lumbosacral transitional vertebrae and nerve-root symptoms. Journal of Bone and Joint Surgery - British Volume. 83-B(8). 1137–1140. 39 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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