Toshitami Sawayama

1.2k total citations · 1 hit paper
35 papers, 915 citations indexed

About

Toshitami Sawayama is a scholar working on Cardiology and Cardiovascular Medicine, Pulmonary and Respiratory Medicine and Radiology, Nuclear Medicine and Imaging. According to data from OpenAlex, Toshitami Sawayama has authored 35 papers receiving a total of 915 indexed citations (citations by other indexed papers that have themselves been cited), including 20 papers in Cardiology and Cardiovascular Medicine, 10 papers in Pulmonary and Respiratory Medicine and 10 papers in Radiology, Nuclear Medicine and Imaging. Recurrent topics in Toshitami Sawayama's work include Cardiac Imaging and Diagnostics (9 papers), Cardiovascular Function and Risk Factors (8 papers) and Cardiac electrophysiology and arrhythmias (4 papers). Toshitami Sawayama is often cited by papers focused on Cardiac Imaging and Diagnostics (9 papers), Cardiovascular Function and Risk Factors (8 papers) and Cardiac electrophysiology and arrhythmias (4 papers). Toshitami Sawayama collaborates with scholars based in Japan, United States and Malaysia. Toshitami Sawayama's co-authors include Jun Sugawara, Hirofumi Tomiyama, Akira Yamashina, Toshio Ozawa, Tetsuo Shoji, Masanori Munakata, Yuhei Kawano, Hirofumi Tanaka, Hisayo Yasuda and Mitsuru Ohishi and has published in prestigious journals such as Circulation, Journal of the American College of Cardiology and CHEST Journal.

In The Last Decade

Toshitami Sawayama

31 papers receiving 868 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.

Comparison between carotid-femoral and brachial-ankle pulse wave velocity as measures of arterial stiffness

2009 466 citations Hirofumi Tanaka, Masanori Munakata et al. Journal of Hypertension profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Toshitami Sawayama Japan	11	753	180	177	150	107	35	915
Kenneth P. Brin United States	15	733 1.0×	156 0.9×	144 0.8×	217 1.4×	168 1.6×	18	1.0k
Shinichi Furuichi Japan	10	589 0.8×	162 0.9×	143 0.8×	299 2.0×	148 1.4×	22	874
P Cosnay France	19	1.3k 1.8×	139 0.8×	313 1.8×	199 1.3×	123 1.1×	101	1.7k
Yoshihiro Himura Japan	13	529 0.7×	68 0.4×	154 0.9×	141 0.9×	116 1.1×	44	689
R O'Brien United Kingdom	7	579 0.8×	68 0.4×	79 0.4×	96 0.6×	96 0.9×	7	749
John E. Gialafos Greece	14	1.4k 1.8×	95 0.5×	62 0.4×	100 0.7×	194 1.8×	18	1.5k
Ole Nyvad Denmark	13	329 0.4×	134 0.7×	75 0.4×	82 0.5×	101 0.9×	22	582
J. Weil Germany	16	494 0.7×	272 1.5×	90 0.5×	136 0.9×	37 0.3×	35	767
Saeb F. Khoury United States	11	448 0.6×	102 0.6×	181 1.0×	278 1.9×	124 1.2×	19	670
M Carnovali Italy	11	447 0.6×	82 0.5×	53 0.3×	222 1.5×	56 0.5×	27	747

Countries citing papers authored by Toshitami Sawayama

Since Specialization

Citations

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

Fields of papers citing papers by Toshitami Sawayama

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Toshitami Sawayama

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Sawayama, Toshitami, et al.. (2017). Factors associated with high brachial–ankle pulse wave velocity in non-hypertensive and appropriately treated hypertensive patients with atherosclerotic risk factors. Vascular Health and Risk Management. Volume 13. 383–392. 10 indexed citations

Tanaka, Hirofumi, Masanori Munakata, Yuhei Kawano, et al.. (2009). Comparison between carotid-femoral and brachial-ankle pulse wave velocity as measures of arterial stiffness. Journal of Hypertension. 27(10). 2022–2027. 466 indexed citations breakdown →

Itoh, Toshio, Toshihiro Tanaka, Ryozo Nagai, et al.. (1998). Genomic organization and mutational analysis of HERG , a gene responsible for familial long QT syndrome. Human Genetics. 102(4). 435–439. 57 indexed citations

Sawayama, Toshitami, et al.. (1998). [Mechanism and clinical usefulness of S4-S1 interval in heart failure associated with left ventricular inflow pattern].. PubMed. 31(5). 273–9. 2 indexed citations

Miyashita, Naoyuki, Eiji Toyota, Toshitami Sawayama, et al.. (1998). Association of Chronic Infection of Chlamydia pneumoniae and Coronary Heart Disease in the Japanese.. Internal Medicine. 37(11). 913–916. 28 indexed citations

Sawayama, Toshitami, et al.. (1997). Electrocardiographic features differentiating dilated cardiomyopathy from hypertrophic cardiomyopathy. Journal of Electrocardiology. 30(4). 301–306. 2 indexed citations

Matsumori, Akira, Makoto Tominaga, Shunnosuke Handa, et al.. (1991). The effect of beta-adrenergic blockade in dilated cardiomyopathy — a questionnaire study in Japan. Heart and Vessels. 6(S1). 6–10.

Tadaoka, S, Mitsuyasu Kagiyama, Osamu Hiramatsu, et al.. (1990). Accuracy of 20‐MHz doppler catheter coronary artery velocimetry for measurement of coronary blood flow velocity. Catheterization and Cardiovascular Diagnosis. 19(3). 205–213. 49 indexed citations

Inoue, Shinichi, Takashi Nakamura, S Tadaoka, et al.. (1989). [Pulmonary hypertension due to glycogen storage disease type II (Pompe's disease): a case report].. PubMed. 19(1). 323–32. 8 indexed citations

10.

Hiroki, Tadayuki, et al.. (1988). New electrocardiographic criteria for diagnosing right ventricular hypertrophy in mitral stenosis. Comparison with Bonner's and Mortara's criteria.. Japanese Circulation Journal. 52(10). 1114–1120. 7 indexed citations

11.

Sawayama, Toshitami, et al.. (1985). Left recurrent laryngeal nerve palsy associated with primary pulmonary hypertension and patent ductus arteriosus. Journal of the American College of Cardiology. 5(3). 788–792. 22 indexed citations

12.

Sawayama, Toshitami, et al.. (1984). Significant coronary artery disease detected by amyl nitrite and systolic time intervals. The American Journal of Cardiology. 54(1). 79–83. 2 indexed citations

13.

Tsuda, Tsukasa, et al.. (1980). Echocardiographic measurement of right ventricular wall thickness in adults by anterior approach.. Heart. 44(1). 55–61. 24 indexed citations

14.

Sawayama, Toshitami, et al.. (1980). [Diagnostic value of carotid arterial pulse on hypertrophic obstructive cardiomyopathy seen in the elderly (author's transl)].. PubMed. 28(8). 909–13.

15.

Sawayama, Toshitami, et al.. (1977). Thallium-201 imaging with color display computer system in old myocardial infarction. The American Journal of Cardiology. 40(2). 277–281. 7 indexed citations

16.

Sawayama, Toshitami, et al.. (1975). Non-invasive recording of His bundle potential in man. Simplified method.. Heart. 37(6). 635–639. 39 indexed citations

17.

Sawayama, Toshitami, et al.. (1969). Influence of Amyl Nitrite Inhalation on the Systolic Time Intervals in Normal Subjects and in Patients with Ischemic Heart Disease. Circulation. 40(3). 327–335. 32 indexed citations

18.

Matsuura, Tohru, et al.. (1968). The Origin and Clinical Significance of Thyroid Murmur. Japanese Heart Journal. 9(3). 247–257.

19.

Sawayama, Toshitami, et al.. (1966). Subclavian Steal Syndrome Two Cases : Case Report. Japanese Circulation Journal. 30(4). 379–383. 1 indexed citations

20.

Sawayama, Toshitami, et al.. (1965). Unusual Form of Impending Myocardial Infarction in a Premenopausal Woman. Japanese Circulation Journal. 29(10). 943–950. 3 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.

Explore authors with similar magnitude of impact