Koichi Hayakawa - Publications, H-index & Citations

Koichi Hayakawa

Nagasaki University

14H指数

98论文数

859被引数

收录论文 20

发表时间

Semi-nested PCR for molecular identification of snake species from human snakebite wounds: recovery of snake DNA where conventional PCR fails 半嵌套式PCR用于从人类蛇咬伤口进行蛇种分子鉴定：在常规PCR失败的情况下回收蛇DNA

Toxicon

IF2.4

2026-09-28

OAAI

Yoshihiro Aoki; Yoshinao Kubo; Kensuke Takahashi; Shuhei Yamano; Kazuki Suganuma; Goro Tajima; Tomohito Hirao; Ken Yoshimura; Atsushi Sakai; Chris Smith; Koichi Hayakawa; Osamu Tasaki; Hiroki Shibata; Ulrich Kuch; Koya Ariyoshi

Enhancing Snakebite Surveillance Through Molecular Tools: Development of Species-Specific Polymerase Chain Reaction Primers for Snakes in Japan 通过分子工具加强蛇咬监测：日本蛇类物种特异性聚合酶链式反应引物的开发

American Journal of Tropical Medicine and Hygiene

IF1.6

2026-05-01

PREAI

Aoki, Yoshihiro; Kubo, Yoshinao; Yoshimura, Ken; Sakai, Atsushi; Takahashi, Kensuke; Yamano, Shuhei; Smith, Chris; Hayakawa, Koichi; Tasaki, Osamu; Kuch, Ulrich; Ariyoshi, Koya

Painless Buccal Abscess With Intraoral Fistula in an Older Woman 老年女性无痛性颊部脓肿伴口内瘘管

Journal of the American College of Emergency Physicians Open

IF1.9

2026-05-01

PREAI

Yamamoto, Kyoko; Aoki, Yoshihiro; Harada, Hiromasa; Takahashi, Kensuke; Yamano, Shuhei; Hayakawa, Koichi; Tasaki, Osamu

Incidence of RSV- and Influenza-Associated Hospitalizations With Community-Acquired Pneumonia and Other Acute Respiratory Infection Among Adults in Japan in 2022–2024: APSG-J2 Study 2022–2024年日本成人社区获得性肺炎及其他急性呼吸道感染中与呼吸道合胞病毒和流感相关的住院发生率：APSG-J2研究

Influenza and Other Respiratory Viruses

IF4.2

2026-03-15

OAAI

Haruka Maeda; Shingo Masuda; Bhim Gopal Dhoubhadel; Yuka Fujita; Yuji Akiba; Yutaka Nishigaki; Kei Nakashima; Hiroyuki Ito; Masayuki Nogi; Yoshihito Otsuka; Masayuki Ishida; Eiji Takeuchi; Norichika Asoh; Toyomitsu Sawai; Koichi Hayakawa; Eileen M. Dunne; Claudia Schwarz; Bradford D. Gessner; Elizabeth Begier; Shuhei Ito; Ataru Igarashi; Shinobu Osanai; Konosuke Morimoto; Koya Ariyoshi; Adult Pneumonia Study Group-Japan 2 (APSG-J2)

A novel scoring algorithm for chest pain can effectively support the diagnosis of acute coronary syndrome in prehospital settings: a cross-sectional study

International Journal of Emergency Medicine

IF2

2025-10-31

OAAI

Iyama, Keita; Sato, Shuntaro; Akashi, Ryohei; Baba, Kensho; Hayakawa, Koichi; Ikeda, Satoshi; Maemura, Koji; Tasaki, Osamu

Incidental Detection of Asymptomatic Upper Extremity Deep Vein Thrombosis in an Elderly Patient With Pulmonary Embolism 肺栓塞老年患者中偶然发现的症状性上肢深静脉血栓形成

ACUTE MEDICINE & SURGERY

IF1.3

2025-10-18

OAAI

Uotani, Shuhei; Aoki, Yoshihiro; Iyama, Keita; Tachikawa, Atsuko; Sugawara, Daisuke; Takahashi, Kensuke; Yamano, Shuhei; Hayakawa, Koichi; Tasaki, Osamu

Rapid Antigen Detection Testing as Supportive Tool in Group A Streptococcal Necrotizing Soft Tissue Infection Management: A Case Series A组链球菌坏死性软组织感染管理中的快速抗原检测作为辅助工具：一例病例系列

ACUTE MEDICINE & SURGERY

IF1.3

2025-10-15

OAAI

Enomoto, Yutaka; Aoki, Yoshihiro; Akashi, Rina; Yoshino, Kentaro; Kuga, Kohei; Tachikawa, Atsuko; Sugawara, Daisuke; Hiraoka, Tomoko; Takahashi, Kensuke; Yamano, Shuhei; Nakano, Motoi; Hayakawa, Koichi; Tasaki, Osamu

Attitude of Emergency Medical Technicians Toward Electrocardiogram ― Needs of Electrocardiogram Training Courses and Other Learning Opportunities ―

CIRCULATION JOURNAL

IF3.7

2024-07-25

OAAI

Yokoyama, Makoto; Iyama, Keita; Honda, Tomoharu; Maekawa, Kenichiro; Baba, Kensho; Akashi, Ryohei; Hayakawa, Koichi; Maemura, Koji; Tasaki, Osamu

Effectiveness of near-infrared spectroscopy- guided continuous chest compression resuscitation without rhythm check in patients with out-of-hospital cardiac arrest: The prospective multicenter TripleCPR 16 study

RESUSCITATION

IF4.6

2021-12-01

PREAI

Takegawa, Ryosuke; Taniuchi, Satsuki; Ohnishi, Mitsuo; Muroya, Takashi; Hayakawa, Koichi; Tachino, Jotaro; Hirose, Tomoya; Nakao, Shunichiro; Muratsu, Arisa; Sakai, Tomohiko; Hayashida, Kei; Shintani, Ayumi; Becker, Lance B.; Shimazu, Takeshi; Shiozaki, Tadahiko

Serum potassium level on hospital arrival and survival after out-of-hospital cardiac arrest: The CRITICAL study in Osaka, Japan

EUROPEAN HEART JOURNAL-ACUTE CARDIOVASCULAR CARE

IF4.6

2020-11-01

OAAI

Shida, Haruka; Matsuyama, Tasuku; Iwami, Taku; Okabayashi, Satoe; Yamada, Tomoki; Hayakawa, Koichi; Yoshiya, Kazuhisa; Irisawa, Taro; Noguchi, Kazuo; Nishimura, Tetsuro; Uejima, Toshifumi; Yagi, Yoshiki; Kiguchi, Takeyuki; Kishimoto, Masafumi; Matsuura, Makoto; Hayashi, Yasuyuki; Sogabe, Taku; Morooka, Takaya; Sado, Junya; Kishimori, Takefumi; Kiyohara, Kosuke; Shimazu, Takeshi; Kitamura, Tetsuhisa; Kawamura, Takashi

Predictive accuracy of biomarkers for survival among cardiac arrest patients with hypothermia: a prospective observational cohort study in Japan

SCANDINAVIAN JOURNAL OF TRAUMA RESUSCITATION & EMERGENCY MEDICINE

IF3.1

2020-08-05

OAAI

Okada, Yohei; Kiguchi, Takeyuki; Irisawa, Taro; Yoshiya, Kazuhisa; Yamada, Tomoki; Hayakawa, Koichi; Noguchi, Kazuo; Nishimura, Tetsuro; Ishibe, Takuya; Yagi, Yoshiki; Kishimoto, Masafumi; Shintani, Hiroshi; Hayashi, Yasuyuki; Sogabe, Taku; Morooka, Takaya; Sakamoto, Haruko; Suzuki, Keitaro; Nakamura, Fumiko; Nishioka, Norihiro; Matsuyama, Tasuku; Matsui, Satoshi; Shimazu, Takeshi; Koike, Kaoru; Kawamura, Takashi; Kitamura, Tetsuhisa; Iwami, Taku

Impact of Low-Flow Duration on Favorable Neurological Outcomes of Extracorporeal Cardiopulmonary Resuscitation After Out-of-Hospital Cardiac Arrest A Multicenter Prospective Study

CIRCULATION

IF38.6

2020-03-24

OAAI

Matsuyama, Tasuku; Irisawa, Taro; Yamada, Tomoki; Hayakawa, Koichi; Yoshiya, Kazuhisa; Noguchi, Kazuo; Nishimura, Tetsuro; Ishibe, Takuya; Yagi, Yoshiki; Kiguchi, Takeyuki; Kishimoto, Masafumi; Shintani, Hiroshi; Hayashi, Yasuyuki; Sogabe, Taku; Morooka, Takaya; Sakamoto, Haruko; Suzuki, Keitaro; Nakamura, Fumiko; Nishioka, Norihiro; Okada, Yohei; Matsui, Satoshi; Sado, Junya; Shimazu, Takeshi; Ohta, Bon; Iwami, Taku; Kitamura, Tetsuhisa

lntra-aortic balloon pump and survival with favorable neurological outcome after out-of-hospital cardiac arrest: A multicenter, prospective propensity score-matched study

RESUSCITATION

IF4.6

2019-10-01

PREAI

Kishimori, Takefurni; Matsuyama, Tasuku; Yamada, Tomoki; Hayakawa, Koichi; Yoshiya, Kazuhisa; Irisawa, Taro; Noguchi, Kazuo; Nishimura, Tetsuro; Uejima, Toshifurni; Yagi, Yoshiki; Kiguchih, Takeyuki; Kishimoto, Masafurni; Matsuura, Makoto; Hayashi, Yasuyuki; Sogabe, Taku; Morooka, Takaya; Sado, Junya; Shida, Haruka; Kiyohara, Kosuke; Shimazu, Takeshi; Kawamura, Takashi; Iwami, Taku; Kitamura, Tetsuhisa

A paediatric case of severe tracheobronchial injury successfully treated surgically after early CT diagnosis and ECMO safely performed in the hybrid emergency room

SCANDINAVIAN JOURNAL OF TRAUMA RESUSCITATION & EMERGENCY MEDICINE

IF3.1

2019-04-23

OAAI

Wada, Daiki; Hayakawa, Koichi; Maruyama, Shuhei; Saito, Fukuki; Kaneda, Hiroyuki; Nakamori, Yasushi; Kuwagata, Yasuyuki

The effect of different target temperatures in targeted temperature management on neurologically favorable outcome after out-of-hospital cardiac arrest: A nationwide multicenter observational study in Japan (the JAAM-OHCA registry)

RESUSCITATION

IF4.6

2018-12-01

PREAI

Irisawa, Taro; Matsuyama, Tasuku; Iwami, Taku; Yamada, Tomoki; Hayakawa, Koichi; Yoshiya, Kazuhisa; Noguchi, Kazuo; Nishimura, Tetsuro; Uejima, Toshifumi; Yagi, Yoshiki; Kiguchi, Takeyuki; Kishimoto, Masafumi; Matsuura, Makoto; Hayashi, Yasuyuki; Sogabe, Taku; Morooka, Takaya; Kitamura, Tetsuhisa; Shimazu, Takeshi

First installation of a dual-room IVR-CT system in the emergency room

SCANDINAVIAN JOURNAL OF TRAUMA RESUSCITATION & EMERGENCY MEDICINE

IF3.1

2018-03-05

OAAI

Wada, Daiki; Nakamori, Yasushi; Kanayama, Shuji; Maruyama, Shuhei; Kawada, Masahiro; Iwamura, Hiromu; Hayakawa, Koichi; Saito, Fukuki; Kuwagata, Yasuyuki

A case of blunt thoracic aortic injury requiring ECMO for acute malperfusion before TEVAR

SCANDINAVIAN JOURNAL OF TRAUMA RESUSCITATION & EMERGENCY MEDICINE

IF3.1

2017-11-22

OAAI

Wada, Daiki; Hayakawa, Koichi; Kanayama, Shuji; Maruyama, Shuhei; Iwamura, Hiromu; Miyama, Noriyuki; Saito, Fukuki; Nakamori, Yasushi; Kuwagata, Yasuyuki

Prognostic indicators and outcome prediction model for patients with return of spontaneous circulation from cardiopulmonary arrest: The Utstein Osaka Project

RESUSCITATION

IF4.6

2011-07-01

PREAI

Hayakawa, Koichi; Tasaki, Osamu; Hamasaki, Toshimitsu; Sakai, Tomohiko; Shiozaki, Tadahiko; Nakagawa, Yuko; Ogura, Hiroshi; Kuwagata, Yasuyuki; Kajino, Kentaro; Iwami, Taku; Nishiuchi, Tatsuya; Hayashi, Yasuyuki; Hiraide, Atsushi; Sugimoto, Hisashi; Shimazu, Takeshi

A Method to Detect Occult Pneumothorax With Chest Radiography

ANNALS OF EMERGENCY MEDICINE

IF5

2011-04-01

PREAI

Matsumoto, Shokei; Kishikawa, Masanobu; Hayakawa, Koichi; Narumi, Atsushi; Matsunami, Katsutoshi; Kitano, Mitsuhide

Tyrosinase family proteins are antigens specific to Vogt-Koyanagi-Harada disease

JOURNAL OF IMMUNOLOGY

IF3.4

2000-12-15

166

OAAI

Yamaki, K; Gocho, K; Hayakawa, K; Kondo, I; Sakuragi, S

研究方向