Naoto Kitajima

2.3k total citations · 1 hit paper
39 papers, 1.8k citations indexed

About

Naoto Kitajima is a scholar working on Surgery, Hepatology and Epidemiology. According to data from OpenAlex, Naoto Kitajima has authored 39 papers receiving a total of 1.8k indexed citations (citations by other indexed papers that have themselves been cited), including 17 papers in Surgery, 9 papers in Hepatology and 6 papers in Epidemiology. Recurrent topics in Naoto Kitajima's work include Hepatitis Viruses Studies and Epidemiology (6 papers), Viral gastroenteritis research and epidemiology (5 papers) and Veterinary medicine and infectious diseases (5 papers). Naoto Kitajima is often cited by papers focused on Hepatitis Viruses Studies and Epidemiology (6 papers), Viral gastroenteritis research and epidemiology (5 papers) and Veterinary medicine and infectious diseases (5 papers). Naoto Kitajima collaborates with scholars based in Japan, United States and Canada. Naoto Kitajima's co-authors include Shunji Mishiro, Kazuaki Takahashi, Natsumi Abe, Tsutomu Chiba, Yoshikazu Kinoshita, Toshio Itoh, Yasuhiko Okimura, Kazuo Chihara, Hisashi Fukuzaki and Yoshikazu Kinoshita and has published in prestigious journals such as The Lancet, Annals of Internal Medicine and The Journal of Clinical Endocrinology & Metabolism.

In The Last Decade

Naoto Kitajima

38 papers receiving 1.7k citations

Hit Papers

Zoonotic transmission of hepatitis E virus from deer to h... 2003 2026 2010 2018 2003 250 500 750
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. Zoonotic transmission of hepatitis E virus from deer to human beings
    2003 776 citations Naoto Kitajima, Kazuaki Takahashi et al. profile →

Peers

Naoto Kitajima
E.V. Tsianos Greece
Jeong Kee Seo South Korea
Buket Dalgıç Türkiye
Michael Stormon Australia
Keith Richter United States
Ping‐I Hsu Taiwan
Susan E. Bunch United States
E Adám United States
Sinan Sarı Türkiye
Lindsay Mollison Australia
E.V. Tsianos Greece
Naoto Kitajima
Citations per year, relative to Naoto Kitajima Naoto Kitajima (= 1×) peers E.V. Tsianos

Countries citing papers authored by Naoto Kitajima

Since Specialization
Citations

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

Fields of papers citing papers by Naoto Kitajima

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Naoto Kitajima

This figure shows the co-authorship network connecting the top 25 collaborators of Naoto Kitajima. A scholar is included among the top collaborators of Naoto Kitajima 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 Naoto Kitajima. Naoto Kitajima 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.
2.
Terashima, Kazuki, Takayuki Ose, Naoto Kitajima, et al.. (2013). Upper gastrointestinal complications associated with gemcitabine-concurrent proton radiotherapy for inoperable pancreatic cancer. Journal of Gastroenterology. 49(6). 1074–1080. 36 indexed citations
3.
Ose, Takayuki, et al.. (2012). Therapeutic effects of mosapride citrate and lansoprazole for prevention of aspiration pneumonia in patients receiving gastrostomy feeding. Journal of Gastroenterology. 48(10). 1105–1110. 13 indexed citations
4.
Terashima, Kazuki, Yusuke Demizu, Naoki Hashimoto, et al.. (2012). A phase I/II study of gemcitabine-concurrent proton radiotherapy for locally advanced pancreatic cancer without distant metastasis. Radiotherapy and Oncology. 103(1). 25–31. 87 indexed citations
5.
Furuta, Kenji, Yoshinori Kushiyama, Kousaku Kawashima, et al.. (2011). Comparisons of symptoms reported by elderly and non-elderly patients with GERD. Journal of Gastroenterology. 47(2). 144–149. 8 indexed citations
6.
Kinoshita, Yoshikazu, Taku Hashimoto, Akira Kawamura, et al.. (2005). Effects of famotidine, mosapride and tandospirone for treatment of functional dyspepsia. Alimentary Pharmacology & Therapeutics. 21(s2). 37–41. 42 indexed citations
7.
Takahashi, Kazuaki, Naoto Kitajima, Natsumi Abe, & Shunji Mishiro. (2004). Complete or near-complete nucleotide sequences of hepatitis E virus genome recovered from a wild boar, a deer, and four patients who ate the deer. Virology. 330(2). 501–505. 254 indexed citations
8.
Tojo, Masahiro, et al.. (1996). A case of simple ulcer at the ileocecal region successfully treated by conservative treatment. Acta gastro-enterologica belgica. 38(10). 2464–2469.
9.
Kinoshita, Yoshikazu, et al.. (1995). Correlation between serum pepsinogen concentration and gastric acidity measured by 24 h pH monitoring. Journal of Gastroenterology and Hepatology. 10(2). 152–157. 3 indexed citations
10.
Kinoshita, Yoshikazu, Masahide Tojo, Takashi Yano, et al.. (1993). Cytomegalovirus mononucleosis-associated gastric ulcers in normal host. Gastroenterologia Japonica. 28(1). 88–94. 11 indexed citations
11.
Kinoshita, Yoshikazu, Masahide Tojo, Takashi Yano, et al.. (1993). Incidence of fundic gland polyps in patients without familial adenomatous polyposis. Gastrointestinal Endoscopy. 39(2). 161–163. 35 indexed citations
12.
Kinoshita, Yoshikazu, Naoto Kitajima, Toshio Itoh, et al.. (1992). Fentanyl for sedation during upper gastrointestinal endoscopy. Gastrointestinal Endoscopy. 38(6). 689–692. 19 indexed citations
13.
Kinoshita, Yoshikazu, Katsuhito Nishiyama, Naoto Kitajima, et al.. (1992). Age-related Effects of Gastroduodenoscopy on Arterial Oxygen Saturation.. Nippon Ronen Igakkai Zasshi Japanese Journal of Geriatrics. 29(3). 185–189. 2 indexed citations
14.
Kinoshita, Yoshikazu, et al.. (1991). A Case of Diabetic Ketoacidosis Associated with Rhabdomyolysis, Acute Renal Failure and DIC. 34(9). 825–831. 2 indexed citations
15.
Kinoshita, Yoshikazu, Katsuhito Nishiyama, Naoto Kitajima, et al.. (1991). Arterial Oxygen Saturation, Blood Pressure, and Pulse Rate During Upper Gastrointestinal Endoscopy— Influence of Sedation and Age. Journal of Clinical Gastroenterology. 13(6). 656–660. 21 indexed citations
16.
Kitajima, Naoto, et al.. (1990). Galanin stimulates immunoreactive growth hormone-releasing factor secretion from rat hypothalamic slices perifused in vitro. Life Sciences. 47(25). 2371–2376. 25 indexed citations
17.
Iwasaki, Akira, et al.. (1989). Orchiopexy for Intravaginal Testicular TorsionRing-Shaped Fixation of the Lower Part of the Testis. European Urology. 16(4). 295–297. 1 indexed citations
18.
Okimura, Yasuhiko, et al.. (1989). Insulin-like growth factor I (IGF-I) production and the presence of IGF-I receptors in rat medullary thyroid carcinoma cell line 6–23 (clone 6). Biochemical and Biophysical Research Communications. 161(2). 589–595. 7 indexed citations
19.
Kitajima, Naoto, Kazuo Chihara, Hiromi Abe, et al.. (1989). Effects of Dopamine on Immunoreactive Growth Hormone-Releasing Factor and Somatostatin Secretion from Rat Hypothalamic Slices Perifusedin Vitro*. Endocrinology. 124(1). 69–76. 34 indexed citations
20.
Takeda, Mamoru, Masahiko Hosaka, Naoto Kitajima, et al.. (1985). [Effect of anticancer agents on rat prostate. Evaluation of organ weight, histological finding and 5 alpha-reductase activities].. PubMed. 31(1). 71–80. 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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