Kiyohiko Omichi

1.0k total citations
33 papers, 748 citations indexed

About

Kiyohiko Omichi is a scholar working on Surgery, Hepatology and Oncology. According to data from OpenAlex, Kiyohiko Omichi has authored 33 papers receiving a total of 748 indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in Surgery, 18 papers in Hepatology and 15 papers in Oncology. Recurrent topics in Kiyohiko Omichi's work include Hepatocellular Carcinoma Treatment and Prognosis (15 papers), Cholangiocarcinoma and Gallbladder Cancer Studies (13 papers) and Pancreatic and Hepatic Oncology Research (8 papers). Kiyohiko Omichi is often cited by papers focused on Hepatocellular Carcinoma Treatment and Prognosis (15 papers), Cholangiocarcinoma and Gallbladder Cancer Studies (13 papers) and Pancreatic and Hepatic Oncology Research (8 papers). Kiyohiko Omichi collaborates with scholars based in Japan, United States and France. Kiyohiko Omichi's co-authors include Kiyoshi Hasegawa, Ching‐Wei D. Tzeng, Jean‐Nicolas Vauthey, Yun Shin Chun, Norihiro Kokudo, Thomas A. Aloia, Takashi Mizuno, Claudius Conrad, Jordan M. Cloyd and Taichi Ito and has published in prestigious journals such as Annals of Surgery, Biomacromolecules and Journal of the American College of Surgeons.

In The Last Decade

Kiyohiko Omichi

32 papers receiving 744 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Kiyohiko Omichi Japan 18 346 345 293 163 138 33 748
Xin‐Fei Xu China 11 449 1.3× 152 0.4× 160 0.5× 248 1.5× 112 0.8× 23 705
Zilin Huang China 13 175 0.5× 145 0.4× 149 0.5× 64 0.4× 169 1.2× 33 524
Li‐Chun Lu Taiwan 22 419 1.2× 234 0.7× 419 1.4× 194 1.2× 204 1.5× 60 1.2k
Elisa Montanari Switzerland 16 109 0.3× 254 0.7× 53 0.2× 118 0.7× 89 0.6× 25 907
Zhongzhen Guan China 8 191 0.6× 73 0.2× 233 0.8× 76 0.5× 133 1.0× 26 600
Yosuke Nakao Japan 14 160 0.5× 210 0.6× 245 0.8× 87 0.5× 112 0.8× 43 623
Michal Mauda‐Havakuk United States 9 156 0.5× 89 0.3× 106 0.4× 40 0.2× 59 0.4× 27 424
Qin Shi China 12 276 0.8× 151 0.4× 53 0.2× 197 1.2× 49 0.4× 38 523
Alessandra R. Garcia United States 4 356 1.0× 102 0.3× 109 0.4× 95 0.6× 97 0.7× 4 458
Cristian D. Valenzuela United States 12 60 0.2× 159 0.5× 98 0.3× 48 0.3× 180 1.3× 52 452

Countries citing papers authored by Kiyohiko Omichi

Since Specialization
Citations

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

Fields of papers citing papers by Kiyohiko Omichi

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kiyohiko Omichi

This figure shows the co-authorship network connecting the top 25 collaborators of Kiyohiko Omichi. A scholar is included among the top collaborators of Kiyohiko Omichi 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 Kiyohiko Omichi. Kiyohiko Omichi 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.
Omichi, Kiyohiko, Kiyoshi Hasegawa, Hiraku Kumamaru, et al.. (2021). Association between age and short-term outcomes of gastroenterological surgeries in older patients: an analysis using the National Clinical Database in Japan. Langenbeck s Archives of Surgery. 406(8). 2827–2836. 6 indexed citations
2.
Mise, Yoshihiro, Kiyohiko Omichi, Hirofumi Ichida, et al.. (2021). Anatomic Resection for Hepatocellular Carcinoma: Prognostic Impact Assessed from Recurrence Treatment. Annals of Surgical Oncology. 29(2). 913–921. 19 indexed citations
3.
Chun, Yun Shin, Takashi Mizuno, Jordan M. Cloyd, et al.. (2020). Hepatic resection for breast cancer liver metastases: Impact of intrinsic subtypes. European Journal of Surgical Oncology. 46(9). 1588–1595. 21 indexed citations
4.
Ohta, Seiichi, Fuyuki Inagaki, Kiyohiko Omichi, et al.. (2019). The Prevention of Hepatectomy-Induced Adhesions by Bilayer Sponge Composed of Ultrapure Alginate. Journal of Surgical Research. 242. 286–295. 17 indexed citations
5.
Mizuno, Takashi, Jordan M. Cloyd, Diego Vicente, et al.. (2018). SMAD4 gene mutation predicts poor prognosis in patients undergoing resection for colorectal liver metastases. European Journal of Surgical Oncology. 44(5). 684–692. 58 indexed citations
6.
Okuno, Masayuki, Claire Goumard, Scott Kopetz, et al.. (2018). RAS Mutation is Associated with Unsalvageable Recurrence Following Hepatectomy for Colorectal Cancer Liver Metastases. Annals of Surgical Oncology. 25(8). 2457–2466. 23 indexed citations
7.
Cloyd, Jordan M., Kiyohiko Omichi, Takashi Mizuno, et al.. (2018). Preoperative Fluorouracil, Doxorubicin, and Streptozocin for the Treatment of Pancreatic Neuroendocrine Liver Metastases. Annals of Surgical Oncology. 25(6). 1709–1715. 31 indexed citations
8.
Mizuno, Takashi, Jordan M. Cloyd, Kiyohiko Omichi, et al.. (2018). Two-Stage Hepatectomy vs One-Stage Major Hepatectomy with Contralateral Resection or Ablation for Advanced Bilobar Colorectal Liver Metastases. Journal of the American College of Surgeons. 226(5). 825–834. 26 indexed citations
9.
10.
Kobayashi, Yuta, Kiyohiko Omichi, Yoshikuni Kawaguchi, et al.. (2017). Intraoperative real-time tissue elastography during laparoscopic hepatectomy. HPB. 20(1). 93–99. 5 indexed citations
11.
Omichi, Kiyohiko, Suguru Yamashita, Jordan M. Cloyd, et al.. (2017). Portal Vein Embolization Reduces Postoperative Hepatic Insufficiency Associated with Postchemotherapy Hepatic Atrophy. Journal of Gastrointestinal Surgery. 22(1). 60–67. 11 indexed citations
12.
Omichi, Kiyohiko, Junichi Shindoh, Jordan M. Cloyd, et al.. (2017). Liver resection is justified for patients with bilateral multiple colorectal liver metastases: A propensity-score-matched analysis. European Journal of Surgical Oncology. 44(1). 122–129. 17 indexed citations
13.
14.
Okuno, Masayuki, Takashi Mizuno, Kiyohiko Omichi, et al.. (2017). Pathological diaphragmatic invasion by colorectal liver metastases is associated with RAS mutation, peritoneal recurrence and worse survival. HPB. 20(1). 57–63. 4 indexed citations
15.
Omichi, Kiyohiko, Jordan M. Cloyd, Suguru Yamashita, et al.. (2017). Neutrophil-to-lymphocyte ratio predicts prognosis after neoadjuvant chemotherapy and resection of intrahepatic cholangiocarcinoma. Surgery. 162(4). 752–765. 36 indexed citations
16.
Sakamoto, Yoshihiro, Fuyuki Inagaki, Kiyohiko Omichi, et al.. (2016). Associating Liver Partial Partition and Transileocecal Portal Vein Embolization for Staged Hepatectomy. Annals of Surgery. 264(6). e21–e22. 21 indexed citations
17.
Midorikawa, Yutaka, Tadatoshi Takayama, Satoshi Nara, et al.. (2016). No Need of Immediate Treatment for Hypovascular Tumors Associated with Hepatocellular Carcinoma. World Journal of Surgery. 40(10). 2460–2465. 2 indexed citations
18.
Omichi, Kiyohiko, Hirohiko Sakamoto, Amane Takahashi, et al.. (2015). A Case of Successful Management of Liver Metastasis from a Pancreatic Carcinoma by Combined Hepatectomy and Chemotherapy. Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association). 76(6). 1494–1498. 2 indexed citations
19.
Takahashi, Akira, Yukimitsu Suzuki, Kiyohiko Omichi, et al.. (2013). In Situ Cross-Linkable Hydrogel of Hyaluronan Produced via Copper-Free Click Chemistry. Biomacromolecules. 14(10). 3581–3588. 106 indexed citations
20.
Shimizu, Atsushi, Taichi Ito, Kiyohiko Omichi, et al.. (2013). A new hepatectomy-induced postoperative adhesion model in rats, and evaluation of the efficacy of anti-adhesion materials. Surgery Today. 44(2). 314–323. 26 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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