Hajime Yamazaki

5.8k total citations
214 papers, 3.4k citations indexed

About

Hajime Yamazaki is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Epidemiology. According to data from OpenAlex, Hajime Yamazaki has authored 214 papers receiving a total of 3.4k indexed citations (citations by other indexed papers that have themselves been cited), including 74 papers in Surgery, 49 papers in Pulmonary and Respiratory Medicine and 49 papers in Epidemiology. Recurrent topics in Hajime Yamazaki's work include Gallbladder and Bile Duct Disorders (17 papers), Inflammatory Bowel Disease (14 papers) and Renal Diseases and Glomerulopathies (13 papers). Hajime Yamazaki is often cited by papers focused on Gallbladder and Bile Duct Disorders (17 papers), Inflammatory Bowel Disease (14 papers) and Renal Diseases and Glomerulopathies (13 papers). Hajime Yamazaki collaborates with scholars based in Japan, United States and Taiwan. Hajime Yamazaki's co-authors include Fuminori Katsukawa, Takako Saeki, Shohei Onishi, Hiroyuki Maguchi, Shuji Oguchi, Koichiro Azuma, Tomoyuki Ito, Takao Saruta, Mitsuru Dohke and Akira Shimada and has published in prestigious journals such as Circulation, SHILAP Revista de lepidopterología and PLoS ONE.

In The Last Decade

Hajime Yamazaki

195 papers receiving 3.3k citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Hajime Yamazaki Japan 31 1.2k 1.1k 637 554 507 214 3.4k
Ralf Junker Germany 37 730 0.6× 1.1k 1.0× 1.1k 1.7× 526 0.9× 192 0.4× 93 4.7k
Hsin‐Bang Leu Taiwan 35 686 0.6× 574 0.5× 1.1k 1.7× 523 0.9× 600 1.2× 136 3.5k
Maria Teresa Garcı́a-Unzueta Spain 33 476 0.4× 483 0.4× 295 0.5× 524 0.9× 560 1.1× 143 3.0k
W. Woloszczuk Austria 32 435 0.4× 543 0.5× 553 0.9× 1.0k 1.9× 398 0.8× 156 3.7k
Lori B. Daniels United States 39 562 0.5× 1.1k 1.0× 2.9k 4.5× 430 0.8× 382 0.8× 153 4.8k
Jean-François Ménard France 40 1.2k 1.1× 607 0.6× 305 0.5× 666 1.2× 236 0.5× 119 4.3k
Ranuccio Nuti Italy 43 582 0.5× 1.0k 1.0× 927 1.5× 1.4k 2.6× 606 1.2× 253 6.4k
Kyung Rae Kim South Korea 37 1.0k 0.9× 1.5k 1.4× 658 1.0× 568 1.0× 651 1.3× 221 4.3k
M. Sund Germany 20 1.1k 0.9× 563 0.5× 759 1.2× 271 0.5× 381 0.8× 34 2.9k
Michał Myśliwiec Poland 31 474 0.4× 571 0.5× 530 0.8× 584 1.1× 294 0.6× 190 3.5k

Countries citing papers authored by Hajime Yamazaki

Since Specialization
Citations

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

Fields of papers citing papers by Hajime Yamazaki

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hajime Yamazaki

This figure shows the co-authorship network connecting the top 25 collaborators of Hajime Yamazaki. A scholar is included among the top collaborators of Hajime Yamazaki 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 Hajime Yamazaki. Hajime Yamazaki 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.
Nakagawa, Hiroaki, Hajime Yamazaki, Ryohei Yamamoto, et al.. (2026). Association Between Constipation and Fecal Incontinence in Community-Dwelling Older Adults in Japan. Journal of the American Medical Directors Association. 27(3). 105581–105581.
2.
Okada, Hirokazu, Norimitsu Uza, Tomoaki Matsumori, et al.. (2025). Efficacy and Safety of a Novel Tapered-Tip Sheath System for Biliary-Lesion Tissue Sampling: A Randomized Controlled Trial. Gut and Liver. 19(1). 136–144.
3.
Yamazaki, Hajime, Brian Z. Huang, Yoji Hirayama, et al.. (2025). Multiorgan Fibrosis and Risk of Type 2 Diabetes: Genetic and Observational Evidence Highlighting a Causal Role of Pancreatic Fibrosis. Diabetes. 75(2). 369–378.
4.
Yamazaki, Hajime, Samantha A. Streicher, Jianyu Rao, et al.. (2024). Genetically Determined Circulating Lactase/Phlorizin Hydrolase Concentrations and Risk of Colorectal Cancer: A Two-Sample Mendelian Randomization Study. Nutrients. 16(6). 808–808. 2 indexed citations
5.
Fukuda, T., Hajime Yamazaki, Tsunaki Sawada, et al.. (2024). Recent steroid use and the relapse risk in ulcerative colitis patients with endoscopic healing. Alimentary Pharmacology & Therapeutics. 60(1). 43–51. 1 indexed citations
6.
Ozeki, Keiji, Hajime Yamazaki, Shinji Okabayashi, et al.. (2023). Immunomodulators after the discontinuation of anti‐tumor necrosis factor‐alpha antibody treatment and relapse in ulcerative colitis: A multicenter cohort study. Journal of Gastroenterology and Hepatology. 39(1). 66–73. 1 indexed citations
7.
Kamitani, Tsukasa, Tsubasa Sakai, Takahiro Itaya, et al.. (2023). Development and Internal Validation of a Clinical Prediction Model for Acute Adjacent Vertebral Fracture after Vertebral Augmentation―The AVA Score―. Spinal Surgery. 37(2). 152–154.
8.
Hayashi, Tsuyoshi, Hajime Yamazaki, Ryõ Andõ, et al.. (2023). Risk factors for early and late cholecystitis after covered metal stent placement for distal biliary obstruction. Journal of Hepato-Biliary-Pancreatic Sciences. 30(10). 1180–1187. 3 indexed citations
9.
Okabayashi, Shinji, Hajime Yamazaki, Keiichi Tominaga, et al.. (2022). Lower effectiveness of intravenous steroid treatment for moderate‐to‐severe ulcerative colitis in hospitalised patients with older onset: a multicentre cohort study. Alimentary Pharmacology & Therapeutics. 55(12). 1569–1580. 8 indexed citations
10.
Takahashi, Megumi, et al.. (2022). A Case of Granulocyte Colony-stimulating Factor Associated Aortitis Successfully Treated with Glucocorticoid. Nihon Naika Gakkai Zasshi. 111(11). 2299–2304. 1 indexed citations
11.
Makita, Noriko, Junichiro Sato, Katsunori Manaka, et al.. (2022). Successful prednisolone or calcimimetic treatment of acquired hypocalciuric hypercalcemia caused by biased allosteric CaSR autoantibodies. JCI Insight. 7(20). 6 indexed citations
12.
Kataoka, Yuki, et al.. (2020). Background styles in systematic review articles are not related to the publication in high-impact-factor journals. Medicine. 99(51). e23801–e23801. 2 indexed citations
13.
Sagami, Shintaro, Taku Kobayashi, Shinji Okabayashi, et al.. (2020). Accuracy of Ultrasound for Evaluation of Colorectal Segments in Patients With Inflammatory Bowel Diseases: A Systematic Review and Meta-analysis. Clinical Gastroenterology and Hepatology. 19(5). 908–921.e6. 60 indexed citations
14.
Iguchi, Akira, Tomomi Ishikawa, Hajime Yamazaki, et al.. (2013). A case of antiglomerular basement membrane glomerulonephritis complicated by membranous nephropathy. CEN Case Reports. 3(1). 94–99. 1 indexed citations
15.
Yamazaki, Hajime, Nishiyama, & Сузуки. (2012). Use of perfusion index from pulse oximetry to determine efficacy of stellate ganglion block. Local and Regional Anesthesia. 5. 9–9. 49 indexed citations
16.
Sato, Takashi, et al.. (2009). Massive pulmonary gas embolism in a neonate with ileal atresia and meconium peritonitis. Journal of Pediatric Surgery. 44(2). e21–e23. 5 indexed citations
17.
Kinoshita, N., et al.. (2003). Recognition of left ventricular hypertrophy in new recruits of professional sumo wrestling. Journal of science and medicine in sport. 6(4). 379–386. 5 indexed citations
18.
Goto, Shunsuke, Ichiei Narita, Noriko Saito, et al.. (2002). A(-20)C polymorphism of the angiotensinogen gene and progression of IgA nephropathy. Kidney International. 62(3). 980–985. 19 indexed citations
19.
Yamazaki, Hajime, et al.. (1992). [Molecular genetics of Alport syndrome].. PubMed. 50(12). 3021–6. 1 indexed citations
20.
Yamazaki, Hajime, et al.. (1976). EXPERIMENTAL AND CLINICAL STUDIES ON CORONARY VASCULAR RESERVE : Vth Auditorium : PROCEEDINGS OF THE 40TH ANNUAL MEETING OF THE JAPANESE CIRCULATION SOCIETY. Japanese Circulation Journal-english Edition. 40(5). 470. 1 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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