Hiroki Nishikawa

7.5k total citations · 3 hit papers
316 papers, 4.9k citations indexed

About

Hiroki Nishikawa is a scholar working on Hepatology, Epidemiology and Surgery. According to data from OpenAlex, Hiroki Nishikawa has authored 316 papers receiving a total of 4.9k indexed citations (citations by other indexed papers that have themselves been cited), including 134 papers in Hepatology, 129 papers in Epidemiology and 91 papers in Surgery. Recurrent topics in Hiroki Nishikawa's work include Liver Disease Diagnosis and Treatment (105 papers), Nutrition and Health in Aging (72 papers) and Hepatocellular Carcinoma Treatment and Prognosis (62 papers). Hiroki Nishikawa is often cited by papers focused on Liver Disease Diagnosis and Treatment (105 papers), Nutrition and Health in Aging (72 papers) and Hepatocellular Carcinoma Treatment and Prognosis (62 papers). Hiroki Nishikawa collaborates with scholars based in Japan, United States and United Kingdom. Hiroki Nishikawa's co-authors include Shuhei Nishiguchi, Yukio Osaki, Tōru Kimura, Ryuichi Kita, Akira Asai, Hirayuki Enomoto, Shinya Fukunishi, Kazuhide Higuchi, Hiroko Iijima and Kyoji Moriya and has published in prestigious journals such as Journal of Biological Chemistry, Circulation and SHILAP Revista de lepidopterología.

In The Last Decade

Hiroki Nishikawa

275 papers receiving 4.8k 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.

Japan Society of Hepatology guidelines for sarcopenia in liver disease (1st edition): Recommendation from the working group for creation of sarcopenia assessment criteria

2016 474 citations Hiroki Nishikawa et al. profile →
Metabolic Syndrome and Sarcopenia

2021 190 citations Hiroki Nishikawa, Akira Asai et al. profile →
Cancer Cachexia: Its Mechanism and Clinical Significance

2021 149 citations Hiroki Nishikawa, Masahiro Goto et al. profile →

Peers

Countries citing papers authored by Hiroki Nishikawa

Since Specialization

Citations

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

Fields of papers citing papers by Hiroki Nishikawa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hiroki Nishikawa

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

#	Work	Indexed citations
1	Chemotherapy Efficacy in Patients With Colorectal Cancer Experiencing Early Recurrence During or After Adjuvant Chemotherapy 2025 ·Anticancer Research ·(unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), Hiroyuki Kodama, Hiroki Yukami, Elham Fakhrejahani, Hiroki Nishikawa	0
2	Endoscopic ultrasound-guided hepaticogastrostomy using a novel double-lumen tapered dilator combined with a 22-G needle 2025 ·Endoscopy ·(unknown), (unknown), (unknown), Nobuhiro Hattori, Hiroki Nishikawa	0
3	Diagnostic Yield of a Novel 11‐Fr Digital Cholangioscope for Indeterminate Biliary Disease Using Macroscopic‐On‐Site Evaluation: Prospective Comparative Study 2025 ·Journal of Gastroenterology and Hepatology ·Takeshi Ogura, Saori Ueno, (unknown), (unknown), Atsushi Okuda, Nobu Nishioka, (unknown), Jun Matsuno, (unknown), (unknown), Nobuhiro Hattori, Junichi Nakamura, (unknown), Hiroki Nishikawa	1
4	Stent-in-stent deployment for malignant hilar obstruction using multi-hole stent can prevent tumor ingrowth during 6-month cholangioscopic follow-up 2025 ·Endoscopy ·Takeshi Ogura, (unknown), (unknown), (unknown), Hiroki Nishikawa	0
5	Multi-hole metal stent can prevent cystic and pancreatic duct obstruction during endoscopic ultrasound-guided antegrade stenting combined with hepaticogastrostomy 2025 ·Endoscopy ·(unknown), (unknown), (unknown), (unknown), Hiroki Nishikawa	0
6	Evaluation of exclusive internal endoscopic drainage for complex biloma with transluminal and transpapillary stenting 2024 ·SHILAP Revista de lepidopterología ·(unknown), Takeshi Ogura, Saori Ueno, Atsushi Okuda, Nobu Nishioka, (unknown), (unknown), (unknown), Nobuhiro Hattori, (unknown), (unknown), Hiroki Nishikawa	1
7	Reintervention using a through-the-mesh technique within the abdominal cavity following stent migration after endoscopic ultrasound-guided hepaticogastrostomy 2024 ·Endoscopy ·Takeshi Ogura, (unknown), (unknown), (unknown), Hiroki Nishikawa	1
8	Duration of PCR positivity by type of respiratory virus among children using a multiplex PCR test 2024 ·Journal of Medical Virology ·Taito Kitano, (unknown), Masayuki Murata, (unknown), Takahiro Mori, (unknown), (unknown), (unknown), Hiroki Nishikawa, (unknown), Rika Suzuki, (unknown), (unknown), (unknown), Sayaka Yoshida	3
9	Endoscopic ultrasound-guided hepaticogastrostomy for patients with frequent respiratory fluctuations using a novel hybrid guidewire to prevent guidewire shearing 2024 ·Endoscopy ·(unknown), (unknown), Nobuhiro Hattori, Jun Matsuno, Hiroki Nishikawa	1
10	Multicenter study comparing EUS‐guided hepaticogastrostomy and ERCP for malignant biliary obstruction in patients with accessible papillae 2024 ·Journal of Hepato-Biliary-Pancreatic Sciences ·Takeshi Ogura, Hirotoshi Ishiwatari, Susumu Hijioka, (unknown), Junya Sato, Mamoru Takenaka, (unknown), Shunsuke Omoto, Nao Fujimori, (unknown), Keiichi Hatamaru, Tomohiro Tamura, (unknown), Masanori Yamada, (unknown), Hiroki Nishikawa, Masayuki Kitano	2
11	Risk of admission requirement among children with respiratory infection in the post-COVID-19 pandemic era 2024 ·Journal of Infection and Public Health ·Takahiro Mori, Taito Kitano, (unknown), Masayuki Murata, (unknown), (unknown), (unknown), (unknown), Hiroki Nishikawa, (unknown), Rika Suzuki, (unknown), (unknown), (unknown), Sayaka Yoshida	1
12	Endoscopic ultrasound-guided antegrade dilation using a drill dilator for a pancreatojejunostomy anastomotic stricture, with pancreatoscopic findings 2023 ·Endoscopy ·Takeshi Ogura, (unknown), (unknown), (unknown), Hiroki Nishikawa	1
13	Embankment method to prevent PuraStat dislocation into the third part of the duodenum during endoscopic sphincterotomy bleeding (with video) 2023 ·Journal of Hepato-Biliary-Pancreatic Sciences ·Takeshi Ogura, (unknown), (unknown), (unknown), Hiroki Nishikawa	1
14	Intraoperative modification of total elbow arthroplasty implants 2023 ·Journal of Shoulder and Elbow Surgery ·(unknown), Andrew R. Jensen, Hiroki Nishikawa, Mark E. Morrey, Joaquín Sánchez‐Sotelo, Shawn W. O’Driscoll	1
15	Impact of the COVID-19 pandemic and multiplex polymerase chain reaction test on outpatient antibiotic prescriptions for pediatric respiratory infection 2023 ·PLoS ONE ·(unknown), Taito Kitano, (unknown), (unknown), (unknown), Hiroki Nishikawa, Rika Suzuki, (unknown), (unknown), (unknown), (unknown), (unknown), Yuki Suzuki, Akiyo Nakano, Ryuichi Nakano, Hisakazu Yano, Koichi Maeda, Sayaka Yoshida, Fumihiko Nakamura	1
16	Accurate SARC-F Score in Patients with Liver Disease 2023 ·Diagnostics ·Masahiro Matsui, Akira Asai, (unknown), (unknown), Tomohiro Nishikawa, Keisuke Yokohama, Hideko Ohama, Yusuke Tsuchimoto, Soo Ki Kim, Hiroki Nishikawa	0
17	The Relationship between the SARC-F Score and the Controlling Nutritional Status Score in Gastrointestinal Diseases 2022 ·Journal of Clinical Medicine ·(unknown), Hiroki Nishikawa, Masahiro Goto, Masahiro Matsui, Akira Asai, (unknown), Takeshi Ogura, Toshihisa Takeuchi, Shirô Nakamura, Kazuki Kakimoto, Takako Miyazaki, Shinya Fukunishi, Hideko Ohama, Keisuke Yokohama, (unknown), Kazuhide Higuchi	7
18	Grip Strength in Patients with Gastrointestinal Diseases 2022 ·Journal of Clinical Medicine ·(unknown), Masahiro Matsui, Hiroki Nishikawa, Masahiro Goto, Akira Asai, (unknown), Takeshi Ogura, Toshihisa Takeuchi, Shirô Nakamura, Kazuki Kakimoto, Takako Miyazaki, Shinya Fukunishi, Hideko Ohama, Keisuke Yokohama, (unknown), Kazuhide Higuchi	3
19	Prognostic Impact of the SARC-F Score in Gastrointestinal Advanced Cancers 2021 ·Cancers ·Masahiro Matsui, Hiroki Nishikawa, Masahiro Goto, Akira Asai, (unknown), Takeshi Ogura, Toshihisa Takeuchi, Shirô Nakamura, Kazuki Kakimoto, Takako Miyazaki, Shinya Fukunishi, Hideko Ohama, Keisuke Yokohama, (unknown), Kazuhide Higuchi	7
20	[Evaluation of lymph nodes metastasis in lung cancer by endoscopic ultrasonography]. 1993 ·PubMed ·Hiroki Nishikawa	2

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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