Naoko Okayama

431 total citations
12 papers, 74 citations indexed

About

Naoko Okayama is a scholar working on Surgery, Radiology, Nuclear Medicine and Imaging and Pathology and Forensic Medicine. According to data from OpenAlex, Naoko Okayama has authored 12 papers receiving a total of 74 indexed citations (citations by other indexed papers that have themselves been cited), including 5 papers in Surgery, 5 papers in Radiology, Nuclear Medicine and Imaging and 3 papers in Pathology and Forensic Medicine. Recurrent topics in Naoko Okayama's work include Optical Imaging and Spectroscopy Techniques (5 papers), Traumatic Brain Injury and Neurovascular Disturbances (3 papers) and Cardiac Ischemia and Reperfusion (3 papers). Naoko Okayama is often cited by papers focused on Optical Imaging and Spectroscopy Techniques (5 papers), Traumatic Brain Injury and Neurovascular Disturbances (3 papers) and Cardiac Ischemia and Reperfusion (3 papers). Naoko Okayama collaborates with scholars based in Japan. Naoko Okayama's co-authors include Yasuyuki Kakihana, Yuichi Kanmura, T Omae, Akira Matsunaga, Kazuhiko Inoue, Tomotsugu Yasuda, Atsuro Miyata, Takahiro Moriyama, Masaharu Takeyama and Mayumi Nakahara and has published in prestigious journals such as Anesthesia & Analgesia, Critical Care and Advances in experimental medicine and biology.

In The Last Decade

Naoko Okayama

11 papers receiving 73 citations

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Naoko Okayama Japan	5	28	15	14	13	13	12	74
Mayur Patel India	5	24 0.9×	17 1.1×	13 0.9×	9 0.7×	13 1.0×	12	88
Junko Goto Japan	7	32 1.1×	21 1.4×	5 0.4×	10 0.8×	8 0.6×	15	106
Julien Dang France	6	21 0.8×	15 1.0×	4 0.3×	18 1.4×	16 1.2×	15	91
George Morales United States	5	19 0.7×	6 0.4×	7 0.5×	8 0.6×	23 1.8×	11	100
Nobuyuki Katsumata Japan	6	22 0.8×	16 1.1×	8 0.6×	9 0.7×	9 0.7×	9	64
Angela Hall United Kingdom	6	22 0.8×	7 0.5×	7 0.5×	12 0.9×	5 0.4×	12	128
S. Peterson United States	6	113 4.0×	9 0.6×	14 1.0×	10 0.8×	15 1.2×	11	161
Cecilia López‐Martínez Spain	8	45 1.6×	13 0.9×	5 0.4×	29 2.2×	18 1.4×	19	141
Jiqiu Wen China	7	20 0.7×	7 0.5×	17 1.2×	11 0.8×	15 1.2×	15	88
Duncan Hite United States	4	32 1.1×	22 1.5×	4 0.3×	14 1.1×	25 1.9×	5	93

Countries citing papers authored by Naoko Okayama

Since Specialization

Citations

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

Fields of papers citing papers by Naoko Okayama

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Naoko Okayama

This figure shows the co-authorship network connecting the top 25 collaborators of Naoko Okayama. A scholar is included among the top collaborators of Naoko Okayama 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 Naoko Okayama. Naoko Okayama is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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12 of 12 papers shown

Nishioka, M., Yukiko Nakahara, Naoko Okayama, et al.. (2024). A case of asymptomatic infection of Ascaris suum identified by PCR-restriction fragment length polymorphism and DNA sequence analysis. Diagnostic Microbiology and Infectious Disease. 110(1). 116444–116444. 2 indexed citations

Okayama, Naoko, Akihiro Matsunaga, Tomotsugu Yasuda, et al.. (2011). Cerebral Monitoring Using Near-Infrared Time-Resolved Spectroscopy and Postoperative Cognitive Dysfunction. Advances in experimental medicine and biology. 737. 19–24. 7 indexed citations

Okayama, Naoko, Akira Matsunaga, Yasuyuki Kakihana, et al.. (2010). The Effects of the Phosphodiesterase Inhibitor Olprinone on Global Cerebral Ischemia. Anesthesia & Analgesia. 110(3). 888–894. 5 indexed citations

Yasuda, Tomotsugu, et al.. (2010). Dynamic changes in cerebral oxygenation by two methods during cardiac surgery and postoperative cognitive decline. Critical Care. 14(Suppl 1). P334–P334. 1 indexed citations

Kakihana, Yasuyuki, Naoko Okayama, Tsuyoshi Goromaru, et al.. (2008). Systematic evaluation of nitric oxide, tetrahydrobiopterin, and anandamide levels in a porcine model of endotoxemia. Journal of Anesthesia. 22(3). 213–220. 4 indexed citations

Okayama, Naoko, et al.. (2006). Clinical effects of a neutrophil elastase inhibitor, sivelestat, in patients with acute respiratory distress syndrome. Journal of Anesthesia. 20(1). 6–10. 34 indexed citations

Kakihana, Yasuyuki, et al.. (2005). Effects of olprinone on hepatosplanchnic circulation and mitochondrial oxidation in a porcine model of endotoxemia. Journal of Anesthesia. 19(4). 295–301. 8 indexed citations

Kakihana, Yasuyuki, Naoko Okayama, Takahiro Moriyama, et al.. (2003). Relationship between Redox Behavior of Brain Cytochrome Oxidase and Neurological Prognosis. Advances in experimental medicine and biology. 530. 413–419. 5 indexed citations

Kikuchi, Tetsuro, Kanako Kitahara, Naoko Okayama, et al.. (2003). Measurement of endotoxin, IL-6, IL-8 and blood lactate after cardiac surgery: re-evaluation of the systemic inflammatory response induced by cardiopulmonary bypass. Critical Care. 7(Suppl 2). P040–P040. 2 indexed citations

10.

Kakihana, Yasuyuki, Naoko Okayama, Takahiro Moriyama, et al.. (2003). Re-Evaluation of the Reliability of Cytochrome Oxidase—Signal Study of Cardiopulmonary Bypass. Advances in experimental medicine and biology. 540. 71–75. 4 indexed citations

11.

Iwai, Akira, Mitsuru Itoh, Yasuhiro Yokoyama, et al.. (1991). [Role of neutrophils-derived oxygen radicals for the formation of rat gastric mucosal injury by ischemia-reinfusion].. PubMed. 88(2). 117–24. 2 indexed citations

12.

Iwai, Akira, Masayoshi Itoh, Yukihiro Yokoyama, et al.. (1990). [Role of PAF for the formation of gastric mucosal injury induced by ischemia-reinfusion in the rat].. PubMed. 87(8). 1662–9.

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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