Hiromasa Horiguchi

7.2k total citations · 1 hit paper
203 papers, 5.3k citations indexed

About

Hiromasa Horiguchi is a scholar working on Surgery, Epidemiology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Hiromasa Horiguchi has authored 203 papers receiving a total of 5.3k indexed citations (citations by other indexed papers that have themselves been cited), including 85 papers in Surgery, 53 papers in Epidemiology and 49 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Hiromasa Horiguchi's work include Pancreatic and Hepatic Oncology Research (19 papers), Emergency and Acute Care Studies (19 papers) and Cardiac, Anesthesia and Surgical Outcomes (15 papers). Hiromasa Horiguchi is often cited by papers focused on Pancreatic and Hepatic Oncology Research (19 papers), Emergency and Acute Care Studies (19 papers) and Cardiac, Anesthesia and Surgical Outcomes (15 papers). Hiromasa Horiguchi collaborates with scholars based in Japan, United States and Ireland. Hiromasa Horiguchi's co-authors include Hideo Yasunaga, Shinya Matsuda, Kiyohide Fushimi, Kiyohide Fushimi, Hiroki Matsui, Hideki Hashimoto, Hayato Yamana, Kazuaki Kuwabara, Mutsuko Moriwaki and Kenji Fujimori and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Journal of Bone and Joint Surgery.

In The Last Decade

Hiromasa Horiguchi

201 papers receiving 5.2k 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.

Validity of diagnoses, procedures, and laboratory data in Japanese administrative data

2017 623 citations Hayato Yamana, Mutsuko Moriwaki et al. Journal of Epidemiology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Hiromasa Horiguchi Japan	39	2.2k	1.2k	1.1k	1.1k	859	203	5.3k
Kiyohide Fushimi Japan	29	2.6k 1.2×	1.4k 1.2×	1.7k 1.5×	895 0.8×	1.2k 1.4×	302	8.1k
John S. Sampalis Canada	46	3.4k 1.6×	1.2k 1.0×	806 0.7×	2.0k 1.9×	562 0.7×	218	8.8k
Hiroki Matsui Japan	40	2.9k 1.3×	1.8k 1.5×	1.6k 1.4×	1.1k 1.1×	1.2k 1.3×	646	8.0k
Gregory B. Russell United States	44	2.7k 1.2×	1.1k 1.0×	509 0.5×	1.5k 1.4×	1.0k 1.2×	228	7.1k
Jesper Brok Denmark	31	1.4k 0.7×	1.3k 1.1×	1.8k 1.6×	624 0.6×	817 1.0×	86	6.7k
Paul J. Karanicolas Canada	39	2.9k 1.3×	1.4k 1.2×	655 0.6×	603 0.6×	1.1k 1.3×	176	6.6k
P Hider New Zealand	11	1.1k 0.5×	773 0.7×	1.0k 0.9×	468 0.4×	713 0.8×	19	4.8k
Steffen Christensen Denmark	33	1.0k 0.5×	699 0.6×	857 0.8×	528 0.5×	766 0.9×	123	4.2k
Chantal Marie Couris France	20	1.3k 0.6×	656 0.6×	1.1k 1.0×	619 0.6×	666 0.8×	37	5.3k
Oscar D. Guillamondegui United States	36	2.8k 1.3×	781 0.7×	707 0.6×	1.6k 1.5×	653 0.8×	136	4.9k

Countries citing papers authored by Hiromasa Horiguchi

Since Specialization

Citations

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

Fields of papers citing papers by Hiromasa Horiguchi

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hiromasa Horiguchi

This figure shows the co-authorship network connecting the top 25 collaborators of Hiromasa Horiguchi. A scholar is included among the top collaborators of Hiromasa Horiguchi 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 Hiromasa Horiguchi. Hiromasa Horiguchi 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

Moriwaki, Mutsuko, et al.. (2025). Impact of Nurse Staffing Levels on Patient Fall Rates: A Retrospective Cross-Sectional Study in General Wards in Japan. Healthcare. 13(1). 88–88. 1 indexed citations

Suzukawa, Maho, et al.. (2024). Differences in asthma-related outcomes by anti-IL-5 biologics, omalizumab, and dupilumab based on blood eosinophil counts. Asian Pacific Journal of Allergy and Immunology. 43(2). 290–299. 1 indexed citations

Imai, Shinobu, et al.. (2022). Existing Data Sources for Clinical Epidemiology: Database of the National Hospital Organization in Japan. Clinical Epidemiology. Volume 14. 689–698. 12 indexed citations

Fukuda, Taeko, et al.. (2020). Deterioration of Postoperative Daily Living Activities in Elderly Patients: Incidence and Associated Factors. International journal of gerontology. 14(2). 124–128.

Horiguchi, Hiromasa, et al.. (2020). De-identifying free text of Japanese electronic health records. Journal of Biomedical Semantics. 11(1). 11–11. 5 indexed citations

Imai, Shinobu, Hayato Yamana, Manabu Akazawa, et al.. (2019). Validity of administrative database detection of previously resolved hepatitis B virus in Japan. Journal of Medical Virology. 91(11). 1944–1948. 8 indexed citations

Kubo, Tatsuhiko, Makoto Otani, Keiji Muramatsu, et al.. (2017). Coexisting infectious diseases on admission as a risk factor for mechanical ventilation in patients with Guillain–Barré syndrome. Journal of Epidemiology. 27(7). 311–316. 13 indexed citations

Niikura, Ryota, Hideo Yasunaga, Yutaka Yamaji, et al.. (2014). Factors affecting in-hospital mortality in patients with lower gastrointestinal tract bleeding: a retrospective study using a national database in Japan. Journal of Gastroenterology. 50(5). 533–540. 35 indexed citations

Isogai, Toshiaki, Hideo Yasunaga, Hiroki Matsui, et al.. (2014). Effect of weekend admission for acute myocardial infarction on in-hospital mortality: A retrospective cohort study. International Journal of Cardiology. 179. 315–320. 53 indexed citations

10.

Hamada, Tsuyoshi, Hideo Yasunaga, Yousuke Nakai, et al.. (2014). Severe Bleeding and Perforation Are Rare Complications of Endoscopic Ultrasound-Guided Fine Needle Aspiration for Pancreatic Masses: An Analysis of 3,090 Patients from 212 Hospitals. Gut and Liver. 8(2). 215–218. 29 indexed citations

11.

Akiyama, T., Hirotaka Chikuda, Hideo Yasunaga, et al.. (2013). Incidence and risk factors for mortality of vertebral osteomyelitis: a retrospective analysis using the Japanese diagnosis procedure combination database. BMJ Open. 3(3). e002412–e002412. 144 indexed citations

12.

Nakamura, Mitsuhiro, Hideo Yasunaga, Takafumi Shimada, et al.. (2013). Body mass index and in-hospital mortality in anorexia nervosa: data from the Japanese Diagnosis Procedure Combination Database. Eating and Weight Disorders - Studies on Anorexia Bulimia and Obesity. 18(4). 437–439. 18 indexed citations

13.

Hamada, Tsuyoshi, Hideo Yasunaga, Yousuke Nakai, et al.. (2013). Impact of hospital volume on outcomes in acute pancreatitis: a study using a nationwide administrative database. Journal of Gastroenterology. 49(1). 148–155. 15 indexed citations

14.

Sugihara, Toru, Hideo Yasunaga, Hiromasa Horiguchi, et al.. (2012). Impact of surgical intervention timing on the case fatality rate for Fournier's gangrene: an analysis of 379 cases. British Journal of Urology. 110(11c). E1096–100. 68 indexed citations

15.

Kuwabara, Kazuaki, Shinya Matsuda, Kiyohide Fushimi, et al.. (2011). Relationships of age, cholecystectomy approach and timing with the surgical and functional outcomes of elderly patients with cholecystitis. International Journal of Surgery. 9(5). 392–399. 13 indexed citations

16.

Yasunaga, Hideo, Hiroaki Miyata, Hiromasa Horiguchi, et al.. (2011). Effect of the Japanese Herbal Kampo Medicine Dai‐Kenchu‐To on Postoperative Adhesive Small Bowel Obstruction Requiring Long‐Tube Decompression: A Propensity Score Analysis. Evidence-based Complementary and Alternative Medicine. 2011(1). 264289–264289. 29 indexed citations

17.

Kuwabara, Kazuaki, Shinya Matsuda, Koichi Ishikawa, Hiromasa Horiguchi, & Kenji Fujimori. (2011). Association of Operating Time and Gastrectomy with Initiation of Postoperative Oral Food Intake. Digestive Surgery. 28(3). 157–162. 6 indexed citations

18.

Sumitani, Masahiko, Kanji Uchida, Hideo Yasunaga, et al.. (2010). Prevalence of Malignant Hyperthermia and Relationship with Anesthetics in Japan. Anesthesiology. 114(1). 84–90. 75 indexed citations

19.

Kuwabara, Kazuaki, Shinya Matsuda, Yuichi Imanaka, et al.. (2010). Injury Severity Score, Resource Use, and Outcome for Trauma Patients Within a Japanese Administrative Database. The Journal of Trauma: Injury, Infection, and Critical Care. 68(2). 463–470. 38 indexed citations

20.

Kuwabara, Kazuaki, Yuichi Imanaka, Shinya Matsuda, et al.. (2008). The association of the number of comorbidities and complications with length of stay, hospital mortality and LOS high outlier, based on administrative data. Environmental Health and Preventive Medicine. 13(3). 130–137. 25 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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