Hirobumi Okawa

1.1k total citations
42 papers, 823 citations indexed

About

Hirobumi Okawa is a scholar working on Surgery, Cardiology and Cardiovascular Medicine and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Hirobumi Okawa has authored 42 papers receiving a total of 823 indexed citations (citations by other indexed papers that have themselves been cited), including 20 papers in Surgery, 12 papers in Cardiology and Cardiovascular Medicine and 10 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Hirobumi Okawa's work include Hemodynamic Monitoring and Therapy (15 papers), Neuropeptides and Animal Physiology (8 papers) and Receptor Mechanisms and Signaling (7 papers). Hirobumi Okawa is often cited by papers focused on Hemodynamic Monitoring and Therapy (15 papers), Neuropeptides and Animal Physiology (8 papers) and Receptor Mechanisms and Signaling (7 papers). Hirobumi Okawa collaborates with scholars based in Japan, United Kingdom and United States. Hirobumi Okawa's co-authors include David G. Lambert, Toshihito Tsubo, Hironori Ishihara, Girolamo Calò, A Matsuki, Raffaella Bigoni, Remo Guerrini, David K. Grandy, D. Regoli and Akiko Suzuki and has published in prestigious journals such as CHEST Journal, European Heart Journal and Critical Care Medicine.

In The Last Decade

Hirobumi Okawa

42 papers receiving 807 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Hirobumi Okawa Japan 16 393 337 252 172 145 42 823
Veronica Segredo United States 13 348 0.9× 360 1.1× 235 0.9× 191 1.1× 59 0.4× 20 1.2k
Ris Dirksen Netherlands 16 211 0.5× 191 0.6× 420 1.7× 276 1.6× 124 0.9× 27 908
Jure Marijic United States 15 133 0.3× 270 0.8× 119 0.5× 148 0.9× 328 2.3× 36 759
D.J. Rowbotham United Kingdom 14 177 0.5× 155 0.5× 389 1.5× 122 0.7× 159 1.1× 32 845
Y. Hatano Japan 14 183 0.5× 129 0.4× 167 0.7× 183 1.1× 131 0.9× 35 714
Katherine H. Moore United States 13 45 0.1× 97 0.3× 523 2.1× 90 0.5× 182 1.3× 21 1.3k
John F. Tucker United Kingdom 19 287 0.7× 317 0.9× 132 0.5× 463 2.7× 341 2.4× 34 1.2k
Yohei Fujimoto Japan 14 163 0.4× 84 0.2× 238 0.9× 60 0.3× 123 0.8× 35 625
Kiyonobu Nishikawa Japan 16 119 0.3× 119 0.4× 406 1.6× 111 0.6× 354 2.4× 69 858
Zeljko J. Bosnjak United States 18 176 0.4× 282 0.8× 130 0.5× 105 0.6× 367 2.5× 36 1.1k

Countries citing papers authored by Hirobumi Okawa

Since Specialization
Citations

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

Fields of papers citing papers by Hirobumi Okawa

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hirobumi Okawa

This figure shows the co-authorship network connecting the top 25 collaborators of Hirobumi Okawa. A scholar is included among the top collaborators of Hirobumi Okawa 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 Hirobumi Okawa. Hirobumi Okawa 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.
Ishihara, Hironori, et al.. (2014). Basic and clinical assessment of initial distribution volume of glucose in hemodynamically stable pediatric intensive care patients. Journal of Intensive Care. 2(1). 59–59. 1 indexed citations
2.
Ishihara, Hironori, et al.. (2013). Neither dynamic, static, nor volumetric variables can accurately predict fluid responsiveness early after abdominothoracic esophagectomy. Perioperative Medicine. 2(1). 3–3. 11 indexed citations
3.
Saito, Junichi, Eiji Hashiba, Hirobumi Okawa, et al.. (2011). Atypical Clinical Presentation of Thrombotic Thrombocytopenic Purpura Just after Percutaneous Coronary Intervention. 62. 199–204. 1 indexed citations
4.
Okawa, Hirobumi, Tomoko Ono, Eiji Hashiba, et al.. (2010). Use of bispectral index monitoring for a patient with hepatic encephalopathy requiring living donor liver transplantation: a case report. Journal of Anesthesia. 25(1). 117–119. 5 indexed citations
5.
Hashiba, Eiji, Hironori Ishihara, Toshihito Tsubo, Hirobumi Okawa, & Kazuyoshi Hirota. (2008). Use of initial distribution volume of glucose to determine fluid volume loading in pulmonary thromboembolism and right ventricular myocardial infarction. Journal of Anesthesia. 22(4). 453–456. 3 indexed citations
6.
Tsubo, Toshihito, et al.. (2004). Evaluation of density area in dorsal lung region during prone position using transesophageal echocardiography. Critical Care Medicine. 32(1). 83–87. 26 indexed citations
7.
Ishihara, Hironori, et al.. (2004). A New Non-Invasive Continuous Cardiac Output Trend Solely Utilizing Routine Cardiovascular Monitors. Journal of Clinical Monitoring and Computing. 18(5-6). 313–320. 48 indexed citations
8.
McDonald, John, Hirobumi Okawa, John P. Williams, et al.. (2003). Partial agonist behaviour depends upon the level of nociceptin/orphanin FQ receptor expression: studies using the ecdysone‐inducible mammalian expression system. British Journal of Pharmacology. 140(1). 61–70. 57 indexed citations
9.
Bigoni, Raffaella, Girolamo Calò, A. Rizzi, et al.. (2002). Effects of naloxone benzoylhydrazone on native and recombinant nociceptin/orphanin FQ receptors. Canadian Journal of Physiology and Pharmacology. 80(5). 407–412. 20 indexed citations
10.
Ishihara, Hironori, et al.. (2002). Does Indocyanine Green Accurately Measure Plasma Volume Early After Cardiac Surgery?. Anesthesia & Analgesia. 94(4). 781–786. 17 indexed citations
11.
Tsubo, Toshihito, et al.. (2001). Daily changes of the area of density in the dependent lung region – evaluation using transesophageal echocardiography. Intensive Care Medicine. 27(12). 1881–1886. 18 indexed citations
12.
Ishihara, Hironori, et al.. (2001). Comparison of initial distribution volume of glucose and plasma volume in thoracic fluid-accumulated patients. Critical Care Medicine. 29(8). 1532–1538. 12 indexed citations
13.
Suzuki, Akiko, et al.. (2001). Can Initial Distribution Volume of Glucose Predict Hypovolemic Hypotension After Radical Surgery for Esophageal Cancer?. Anesthesia & Analgesia. 92(5). 1146–1151. 15 indexed citations
14.
Okawa, Hirobumi, Mihoko Kudo, Remo Guerrini, et al.. (2001). Effects of nociceptinNH2 and [Nphe1]nociceptin(1–13)NH2 on rat brain noradrenaline release in vivo and in vitro. Neuroscience Letters. 303(3). 173–176. 22 indexed citations
15.
Ishihara, Hironori, et al.. (2000). The initial distribution volume of glucose rather than indocyanine green derived plasma volume is correlated with cardiac output following major surgery. Intensive Care Medicine. 26(10). 1441–1448. 20 indexed citations
16.
Calò, Girolamo, Remo Guerrini, Raffaella Bigoni, et al.. (2000). Characterization of [Nphe1]nociceptin(1‐13)NH2, a new selective nociceptin receptor antagonist. British Journal of Pharmacology. 129(6). 1183–1193. 169 indexed citations
17.
Okawa, Hirobumi, Beverley Nicol, Raffaella Bigoni, et al.. (1999). Comparison of the effects of [Phe1Ψ(CH2‐NH)Gly2]Nociceptin (1–13)NH2 in rat brain, rat vas deferens and CHO cells expressing recombinant human nociceptin receptors. British Journal of Pharmacology. 127(1). 123–130. 72 indexed citations
18.
19.
Okawa, Hirobumi, Robert A. Hirst, D Smart, A.T. McKnight, & David G. Lambert. (1998). Rat central ORL-1 receptor uncouples from adenylyl cyclase during membrane preparation. Neuroscience Letters. 246(1). 49–52. 15 indexed citations
20.
Ishihara, Kazuhíko, et al.. (1989). [Analysis of gastric mucosal hexosamines for the determination of gastric mucus content].. PubMed. 86(1). 111–111. 4 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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