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

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.

Zoonotic transmission of hepatitis E virus from deer to human beings

2003 776 citations Naoto Kitajima, Kazuaki Takahashi et al. profile →

Peers

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

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20 of 20 papers shown

#	Work	Indexed citations
1	Factors associated with the decrease in hepatitis B surface antigen titers following interferon therapy in patients with chronic hepatitis B: Is interferon and adefovir combination therapy effective? 2017 ·Biomedical Reports ·Yoshihiko Yano, Yasushi Seo, Hiroki Hayashi, (unknown), (unknown), Akihiro Minami, Yuki Kawano, Masaya Saito, (unknown), Masahiko Sugano, Hajime Yamada, Naoto Kitajima, Seitetsu Yoon, Yoshitake Hayashi	4
2	Upper gastrointestinal complications associated with gemcitabine-concurrent proton radiotherapy for inoperable pancreatic cancer 2013 ·Journal of Gastroenterology ·(unknown), Kazuki Terashima, (unknown), (unknown), (unknown), Takayuki Ose, Naoto Kitajima, Yoshikazu Kinoshita, Yusuke Demizu, Nobukazu Fuwa	36
3	Therapeutic effects of mosapride citrate and lansoprazole for prevention of aspiration pneumonia in patients receiving gastrostomy feeding 2012 ·Journal of Gastroenterology ·(unknown), (unknown), (unknown), (unknown), Takayuki Ose, Naoto Kitajima, (unknown), Kyoichi Adachi, Yuji Amano, Yoshikazu Kinoshita	13
4	A phase I/II study of gemcitabine-concurrent proton radiotherapy for locally advanced pancreatic cancer without distant metastasis 2012 ·Radiotherapy and Oncology ·Kazuki Terashima, Yusuke Demizu, Naoki Hashimoto, Dongcun Jin, M. Mima, Osamu Fujii, Y. Niwa, (unknown), Naoto Kitajima, (unknown), Yonson Ku, Yoshio Hishikawa, Mitsuyuki Abe, Ryohei Sasaki, Kazuro Sugimura, Masao Murakami	87
5	Comparisons of symptoms reported by elderly and non-elderly patients with GERD 2011 ·Journal of Gastroenterology ·Kenji Furuta, Yoshinori Kushiyama, Kousaku Kawashima, Kotaro Shibagaki, Yoshinori Komazawa, Hirofumi Fujishiro, Naoto Kitajima, Kyoichi Adachi, Yoshikazu Kinoshita	8
6	Effects of famotidine, mosapride and tandospirone for treatment of functional dyspepsia 2005 ·Alimentary Pharmacology & Therapeutics ·Yoshikazu Kinoshita, Taku Hashimoto, Akira Kawamura, Mika Yuki, Kazutoshi Amano, (unknown), Kyoichi Adachi, Shiori Sato, (unknown), Toshiharu Takashima, Naoto Kitajima, Kazunori Abe, H. Suetsugu	42
7	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 2004 ·Virology ·Kazuaki Takahashi, Naoto Kitajima, Natsumi Abe, Shunji Mishiro	254
8	A case of simple ulcer at the ileocecal region successfully treated by conservative treatment 1996 ·Acta gastro-enterologica belgica ·Masahiro Tojo, (unknown), (unknown), Naoto Kitajima, Takeshi Itoh, (unknown), Manabu Watanabe, Toshimi Chiba	0
9	Correlation between serum pepsinogen concentration and gastric acidity measured by 24 h pH monitoring 1995 ·Journal of Gastroenterology and Hepatology ·Yoshikazu Kinoshita, (unknown), Naoto Kitajima, (unknown), Toshio Itoh, Hisashi Fukuzaki, Tsutomu Chiba	3
10	Cytomegalovirus mononucleosis-associated gastric ulcers in normal host 1993 ·Gastroenterologia Japonica ·Yoshikazu Kinoshita, Masahide Tojo, Takashi Yano, Naoto Kitajima, Toshio Itoh, (unknown), Hisashi Fukuzaki, Makoto Watanabe, Tsutomu Chiba	11
11	Incidence of fundic gland polyps in patients without familial adenomatous polyposis 1993 ·Gastrointestinal Endoscopy ·Yoshikazu Kinoshita, Masahide Tojo, Takashi Yano, Naoto Kitajima, Toshio Itoh, Katsuhito Nishiyama, (unknown), Hisashi Fukuzaki, Makoto Watanabe, Tsutomu Chiba	35
12	Fentanyl for sedation during upper gastrointestinal endoscopy 1992 ·Gastrointestinal Endoscopy ·(unknown), Yoshikazu Kinoshita, Naoto Kitajima, Toshio Itoh, Katsuhito Nishiyama, Masahide Tojo, Takashi Yano, (unknown), Hisashi Fukuzaki, Tsutomu Chiba	19
13	Age-related Effects of Gastroduodenoscopy on Arterial Oxygen Saturation. 1992 ·Nippon Ronen Igakkai Zasshi Japanese Journal of Geriatrics ·Yoshikazu Kinoshita, Katsuhito Nishiyama, Naoto Kitajima, Toshio Ito, (unknown), Hisashi Fukuzaki, Tsutomu Chiba	2
14	A Case of Diabetic Ketoacidosis Associated with Rhabdomyolysis, Acute Renal Failure and DIC 1991 ·Yoshikazu Kinoshita, Katsuhito Nishiyama, (unknown), Naoto Kitajima, Toshio Itoh, (unknown), (unknown), Tsutomu Chiba	2
15	Arterial Oxygen Saturation, Blood Pressure, and Pulse Rate During Upper Gastrointestinal Endoscopy— Influence of Sedation and Age 1991 ·Journal of Clinical Gastroenterology ·Yoshikazu Kinoshita, (unknown), Katsuhito Nishiyama, Naoto Kitajima, Toshio Itoh, (unknown), (unknown), Hisashi Fukuzaki, Tsutomu Chiba	21
16	Galanin stimulates immunoreactive growth hormone-releasing factor secretion from rat hypothalamic slices perifused in vitro 1990 ·Life Sciences ·Naoto Kitajima, Kazuo Chihara, Hiromi Abe, Yasuhiko Okimura, (unknown)	25
17	Orchiopexy for Intravaginal Testicular TorsionRing-Shaped Fixation of the Lower Part of the Testis 1989 ·European Urology ·(unknown), Akira Iwasaki, Kazuhiko Sato, Naoto Kitajima, (unknown), Hiroshi Fukuoka	1
18	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) 1989 ·Biochemical and Biophysical Research Communications ·Yasuhiko Okimura, Naoto Kitajima, (unknown), (unknown), Hiromi Abe, (unknown), Kazuo Chihara	7
19	Effects of Dopamine on Immunoreactive Growth Hormone-Releasing Factor and Somatostatin Secretion from Rat Hypothalamic Slices Perifusedin Vitro* 1989 ·Endocrinology ·Naoto Kitajima, Kazuo Chihara, Hiromi Abe, Yasuhiko Okimura, Yoshio Fujii, (unknown), (unknown), Makoto Watanabe, Takuo Fujita	34
20	[Effect of anticancer agents on rat prostate. Evaluation of organ weight, histological finding and 5 alpha-reductase activities]. 1985 ·PubMed ·Mamoru Takeda, Masahiko Hosaka, Naoto Kitajima, (unknown), H Fujii, Hirotaka Oshima, Miyuki Harada	1

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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