Toru Oga

7.0k citations

165 papers · 5.0k · 2 hit papers · h-index 34

Impact in

Pulmonary and Respiratory Medicine top 0.5%
- Chronic Obstructive Pulmonary Disease (COPD) Research
- Respiratory Support and Mechanisms
- Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis
Physiology top 1%
- Obstructive Sleep Apnea Research
- Asthma and respiratory diseases

Papers in

Pulmonary and Respiratory Medicine 78
- Chronic Obstructive Pulmonary Disease (COPD) Research 43
- Respiratory Support and Mechanisms 23
- Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis 14
- Cardiovascular and Diving-Related Complications 5
Physiology 66
- Obstructive Sleep Apnea Research 37
- Asthma and respiratory diseases 23
- Sarcoidosis and Beryllium Toxicity Research 6

Co-authors: Mitsuhiro Tsukino (30 shared papers)Koichi Nishimura (39 shared papers)Takashi Hajiro (28 shared papers)Michiaki Mishima (82 shared papers)Takateru Izumi (8 shared papers)Susumu Satô (18 shared papers)Kazuo Chin (90 shared papers)Kiminobu Tanizawa (47 shared papers)
Journals: Respiratory Medicine (12 papers)Journal of Asthma (7 papers)CHEST Journal (6 papers)Sleep And Breathing (6 papers)Respiratory Research (6 papers)
Partner nations: Japan United Kingdom Australia

In The Last Decade

Toru Oga

158 papers receiving 4.8k citations

Toru Oga's Hit Papers

align trajectories log scale

Analysis of the Factors Related to Mortality in Chronic Obstructive Pulmonary Disease: Role of Exercise Capacity and Health Status 2003 · 476 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2003 American Journal of Respiratory and Critical Care Medicine
2002 CHEST Journal

Peers

Countries citing papers authored by Toru Oga

Since Specialization

Citations

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

Fields of papers citing papers by Toru Oga

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authors

The 25 scholars most cited alongside Toru Oga, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Toru Oga Line = papers co-authored together Toru Oga links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 165 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Dyspnea Is a Better Predictor of 5-Year Survival Than Airway Obstruction in Patients With COPD CHEST Journal ·Koichi Nishimura, Takateru Izumi, Mitsuhiro Tsukino, Toru Oga Hit paper breakdown →	2002	768
2	Analysis of the Factors Related to Mortality in Chronic Obstructive Pulmonary Disease: Role of Exercise Capacity and Health Status American Journal of Respiratory and Critical Care Medicine ·Toru Oga, Koichi Nishimura, Mitsuhiro Tsukino, Susumu Satô, Takashi Hajiro Hit paper breakdown →	2003	476
3	TRPA1 underlies a sensing mechanism for O2 Nature Chemical Biology ·Nobuaki Takahashi, Tomoyuki Kuwaki, Shigeki Kiyonaka, Tomohiro Numata, Daisuke Kozai, Yusuke Mizuno, Shinichiro Yamamoto, Shinji Naito, Ellen Knevels, Peter Carmeliet, Toru Oga, Shuji Kaneko, Seiji Suga, Toshiki Nokami, Junichi Yoshida, Yasuo Mori	2011	229
4	A Comparison of the Level of Dyspnea vs Disease Severity in Indicating the Health-Related Quality of Life of Patients With COPD CHEST Journal ·Takashi Hajiro, (unknown), Mitsuhiro Tsukino, (unknown), Toru Oga, (unknown)	1999	186
5	Prostaglandin F2α receptor signaling facilitates bleomycin-induced pulmonary fibrosis independently of transforming growth factor-β Nature Medicine ·Toru Oga, Toshiyuki Matsuoka, Chengcan Yao, Kimiko Nonomura, Shiho Kitaoka, Daiji Sakata, Yoshihiro Kita, Kiminobu Tanizawa, Yoshio Taguchi, Kazuo Chin, Michiaki Mishima, Takao Shimizu, Shuh Narumiya	2009	159
6	The Effects of Oxitropium Bromide on Exercise Performance in Patients with Stable Chronic Obstructive Pulmonary Disease: A Comparison of Three Different Exercise Tests American Journal of Respiratory and Critical Care Medicine ·Toru Oga, Koichi Nishimura, Mitsuhiro Tsukino, Takashi Hajiro, Akihiko Ikeda, Takateru Izumi	2000	139
7	Relationship between Small Airway Function and Health Status, Dyspnea and Disease Control in Asthma Respiration ·Tomoshi Takeda, Toru Oga, Akio Niimi, Hisako Matsumoto, Isao Ito, Masafumi Yamaguchi, Hirofumi Matsuoka, Makiko Jinnai, Kojiro Otsuka, Tsuyoshi Oguma, Hitoshi Nakaji, Kazuo Chin, Michiaki Mishima	2009	121
8	HRCT features of interstitial lung disease in dermatomyositis with anti-CADM-140 antibody Respiratory Medicine ·Kiminobu Tanizawa, Tomohiro Handa, Ran Nakashima, Takeshi Kubo, Yuji Hosono, Kizuku Watanabe, Kensaku Aihara, Toru Oga, Kazuo Chin, Sonoko Nagai, Tsuneyo Mimori, Michiaki Mishima	2011	109
9	Stages of disease severity and factors that affect the health status of patients with chronic obstructive pulmonary disease Respiratory Medicine ·Takashi Hajiro, Koichi Nishimura, Mitsuhiro Tsukino, A Ikeda, Toru Oga	2000	99
10	Longitudinal deteriorations in patient reported outcomes in patients with COPD Respiratory Medicine ·Toru Oga, Koichi Nishimura, Mitsuhiro Tsukino, Susumu Satô, Takashi Hajiro, Michiaki Mishima	2006	98
11	Exercise Capacity Deterioration in Patients With COPD CHEST Journal ·Toru Oga, Koichi Nishimura, Mitsuhiro Tsukino, Susumu Satô, Takashi Hajiro, Michiaki Mishima	2005	92
12	The prognostic value of HRCT in myositis-associated interstitial lung disease Respiratory Medicine ·Kiminobu Tanizawa, Tomohiro Handa, Ran Nakashima, Takeshi Kubo, Yuji Hosono, Kensaku Aihara, Kohei Ikezoe, Kizuku Watanabe, Yoshio Taguchi, Kazuhiro Hatta, Toru Oga, Kazuo Chin, Sonoko Nagai, Tsuneyo Mimori, Michiaki Mishima	2013	89
13	Hereditary ceruloplasmin deficiency with hemosiderosis Human Genetics ·Nobuhiko Okamoto, Shun‐ichi Wada, Toru Oga, Yumiko Kawabata, Yasuto Baba, Daiki Habu, Z Takeda, Yoshiro Wada	1996	89
14	Relationship between peripheral airway function and patient-reported outcomes in COPD: a cross-sectional study BMC Pulmonary Medicine ·Akane Haruna, Toru Oga, Shigeo Muro, Tadashi Ohara, Susumu Satô, Satoshi Marumo, Daisuke Kinose, Kunihiko Terada, Michiyoshi Nishioka, Emiko Ogawa, Yuma Hoshino, Toyohiro Hirai, Kazuo Chin, Michiaki Mishima	2010	73
15	Changes in Energy Metabolism after Continuous Positive Airway Pressure for Obstructive Sleep Apnea American Journal of Respiratory and Critical Care Medicine ·Ryo Tachikawa, Kaori Ikeda, Takuma Minami, Takeshi Matsumoto, Satoshi Hamada, Kimihiko Murase, Kiminobu Tanizawa, Morito Inouchi, Toru Oga, Takashi Akamizu, Michiaki Mishima, Kazuo Chin	2016	70
16	Optimal Cutoff Level of Breath Carbon Monoxide for Assessing Smoking Status in Patients With Asthma and COPD * CHEST Journal ·Susumu Satô, Koichi Nishimura, Hiroshi Koyama, Mitsuhiro Tsukino, Toru Oga, Takashi Hajiro, Michiaki Mishima	2003	70
17	Analysis of systemic and airway inflammation in obstructive sleep apnea Sleep And Breathing ·Kensaku Aihara, Toru Oga, Yuichi Chihara, Yuka Harada, Kiminobu Tanizawa, Tomohiro Handa, Takefumi Hitomi, Kazuko Uno, Michiaki Mishima, Kazuo Chin	2012	64
18	Plasma Thioredoxin, a Novel Oxidative Stress Marker, in Patients with Obstructive Sleep Apnea Before and After Nasal Continuous Positive Airway Pressure Antioxidants and Redox Signaling ·Kenichi Takahashi, Kazuo Chin, Hajime Nakamura, Satoshi Morita, Kensuke Sumi, Toru Oga, Hisako Matsumoto, Akio Niimi, Shunichi Fukuhara, Junji Yodoi, Michiaki Mishima	2008	64
19	Associations Between Obstructive Sleep Apnea, Metabolic Syndrome, and Sleep Duration, As Measured With an Actigraph, in an Urban Male Working Population in Japan SLEEP ·Kazuo Chin, Toru Oga, Kenichi Takahashi, Misa Takegami, Yukiyo Nakayama-Ashida, Tomoko Wakamura, Kensuke Sumi, Takaya Nakamura, Sachiko Horita, Yasunori Oka, Itsunari Minami, Shunichi Fukuhara, Hiroshi Kadotani	2010	62
20	Effects of Obstructive Sleep Apnea with Intermittent Hypoxia on Platelet Aggregability Journal of Atherosclerosis and Thrombosis ·Toru Oga, Kazuo Chin, Arata Tabuchi, Mitsunori Kawato, Takeshi Morimoto, Kenichi Takahashi, Tomohiro Handa, Kanako Takahashi, Ryoji Taniguchi, Hirokazu Kondo, Michiaki Mishima, Toru Kita, Hisanori Horiuchi	2009	59

About Toru Oga

Toru Oga is a scholar working on Pulmonary and Respiratory Medicine, Physiology, Epidemiology, Endocrine and Autonomic Systems and Surgery, having authored 165 papers that have together received 5.0k indexed citations. Recurring topics across this work include Chronic Obstructive Pulmonary Disease (COPD) Research (43 papers), Obstructive Sleep Apnea Research (37 papers), Respiratory Support and Mechanisms (23 papers), Asthma and respiratory diseases (23 papers), Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis (14 papers), Neuroscience of respiration and sleep (9 papers), Sarcoidosis and Beryllium Toxicity Research (6 papers) and Cardiovascular and Diving-Related Complications (5 papers). The work is most often cited by research in Pulmonary and Respiratory Medicine (2.8k citations), Physiology (1.5k citations), Endocrine and Autonomic Systems (341 citations), Issues, ethics and legal aspects (54 citations) and Sensory Systems (161 citations). Toru Oga has collaborated with scholars based in Japan, United Kingdom and Australia. Frequent co-authors include Mitsuhiro Tsukino, Koichi Nishimura, Takashi Hajiro, Michiaki Mishima, Takateru Izumi, Susumu Satô, Kazuo Chin, Kiminobu Tanizawa, Tomohiro Handa and Akihiko Ikeda. Their work appears in journals such as Respiratory Medicine, Journal of Asthma, CHEST Journal, Sleep And Breathing and Respiratory Research.

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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Toru Oga

Toru Oga's Hit Papers

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All Works

About Toru Oga

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