Works by Chida, Koichi

Results: 69

Radiation Exposure to the Brains of Interventional Radiology Staff: A Phantom Study.

Published in:

Bioengineering (Basel), 2024, v. 11, n. 11, p. 1083, doi. 10.3390/bioengineering11111083

By:

Ohno, Saya;
Shindo, Ryota;
Konta, Satoe;
Yamamoto, Keisuke;
Inaba, Yohei;
Chida, Koichi

Publication type:

Article

Spatial Scattering Radiation to the Radiological Technologist during Medical Mobile Radiography.

Published in:

Bioengineering (Basel), 2023, v. 10, n. 2, p. 259, doi. 10.3390/bioengineering10020259

By:

Otomo, Kazuki;
Inaba, Yohei;
Abe, Keisuke;
Onodera, Mana;
Suzuki, Tomohiro;
Sota, Masahiro;
Haga, Yoshihiro;
Suzuki, Masatoshi;
Zuguchi, Masayuki;
Chida, Koichi

Publication type:

Article

Development of a New Radiation Shield for the Face and Neck of IVR Physicians.

Published in:

Bioengineering (Basel), 2022, v. 9, n. 8, p. N.PAG, doi. 10.3390/bioengineering9080354

By:

Sato, Toshimitsu;
Eguchi, Yoichi;
Yamazaki, Chika;
Hino, Takanobu;
Saida, Toshikazu;
Chida, Koichi

Publication type:

Article

Treatment outcome of high-dose image-guided intensity-modulated radiotherapy using intra-prostate fiducial markers for localized prostate cancer at a single institute in Japan.

Published in:

Radiation Oncology, 2012, v. 7, n. 1, p. 105, doi. 10.1186/1748-717X-7-105

By:

Takeda, Ken;
Takai, Yoshihiro;
Narazaki, Kakataro;
Mitsuya, Masatoshi;
Umezawa, Rei;
Kadoya, Noriyuki;
Fujita, Yukio;
Sugawara, Toshiyuki;
Kubozono, Masaki;
Shimizu, Eiji;
Abe, Keiko;
Shirata, Yuko;
Ishikawa, Yohjiro;
Yamamoto, Takaya;
Kozumi, Maiko;
Dobashi, Suguru;
Matsushita, Haruo;
Chida, Koichi;
Ishidoya, Shigeto;
Arai, Yoichi

Publication type:

Article

The Relationship between Plasma BNP Level and the Myocardial Phosphocreatine/Adenosine Triphosphate Ratio Determined by Phosphorus-31 Magnetic Resonance Spectroscopy in Patients with Dilated Cardiomyopathy.

Published in:

Cardiology, 2006, v. 106, n. 3, p. 132, doi. 10.1159/000092767

By:

Chida, Koichi;
Otani, Hiroki;
Kohzuki, Masahiro;
Saito, Haruo;
Kagaya, Yutaka;
Takai, Yoshihiro;
Takahashi, Shoki;
Yamada, Shogo;
Zuguchi, Masayuki

Publication type:

Article

Effect of backscatter radiation on the occupational eye-lens dose.

Published in:

Journal of Radiation Research, 2024, v. 65, n. 4, p. 450, doi. 10.1093/jrr/rrae034

By:

Ohno, Saya;
Konta, Satoe;
Shindo, Ryota;
Yamamoto, Keisuke;
Isobe, Rio;
Inaba, Yohei;
Suzuki, Masatoshi;
Zuguchi, Masayuki;
Chida, Koichi

Publication type:

Article

Internal organ dose rate conversion coefficients of Japanese macaques to 134Cs,137Cs and 131I.

Published in:

Journal of Radiation Research, 2023, v. 64, n. 5, p. 804, doi. 10.1093/jrr/rrad055

By:

Takamura, Yuta;
Kajimoto, Tsuyoshi;
Tanaka, Kenichi;
Yamamoto, Tomoya;
Suzuki, Masatoshi;
Inaba, Yohei;
Chida, Koichi;
Fukumoto, Manabu;
Rangacharyulu, Chary;
Endo, Satoru

Publication type:

Article

Analysis of whole-blood antioxidant capacity after chronic and localized irradiation using the i-STrap method.

Published in:

Journal of Radiation Research, 2022, v. 63, n. 1, p. 30, doi. 10.1093/jrr/rrab099

By:

Sun, Lue;
Inaba, Yohei;
Sogo, Yu;
Morikawa, Kumi;
Kunugita, Naoki;
Chida, Koichi;
Moritake, Takashi

Publication type:

Article

Evaluation of novel X-ray protective eyewear in reducing the eye dose to interventional radiology physicians.

Published in:

Journal of Radiation Research, 2021, v. 62, n. 3, p. 414, doi. 10.1093/jrr/rrab014

By:

Endo, Mime;
Haga, Yoshihiro;
Sota, Masahiro;
Tanaka, Akiko;
Otomo, Kazuki;
Murabayashi, Yuuki;
Abe, Mitsuya;
Kaga, Yuji;
Inaba, Yohei;
Suzuki, Msatoshi;
Meguro, Taiichiro;
Chida, Koichi

Publication type:

Article

Radiation eye dose to medical staff during respiratory endoscopy under X-ray fluoroscopy.

Published in:

Journal of Radiation Research, 2020, v. 61, n. 5, p. 691, doi. 10.1093/jrr/rraa034

By:

Haga, Yoshihiro;
Chida, Koichi;
Kimura, Yuichiro;
Yamanda, Shinsuke;
Sota, Masahiro;
Abe, Mitsuya;
Kaga, Yuji;
Meguro, Taiichiro;
Zuguchi, Masayuki

Publication type:

Article

New real-time patient radiation dosimeter for use in radiofrequency catheter ablation.

Published in:

Journal of Radiation Research, 2019, v. 60, n. 2, p. 215, doi. 10.1093/jrr/rry110

By:

Kato, Mamoru;
Chida, Koichi;
Nakamura, Masaaki;
Toyoshima, Hideto;
Terata, Ken;
Abe, Yoshihisa

Publication type:

Article

Image Quality and Radiation Dose of Conventional and Wide-Field High-Resolution Cone-Beam Computed Tomography for Cerebral Angiography: A Phantom Study.

Published in:

2023

By:

Kawauchi, Satoru;
Chida, Koichi;
Hamada, Yusuke;
Tsuruta, Wataro

Publication type:

Case Study

Radiation Eye Dose for Physicians in CT Fluoroscopy-Guided Biopsy.

Published in:

Tomography: A Journal for Imaging Research, 2022, v. 8, n. 1, p. 438, doi. 10.3390/tomography8010036

By:

Inaba, Yohei;
Hitachi, Shin;
Watanuki, Munenori;
Chida, Koichi

Publication type:

Article

Total body irradiation causes a chronic decrease in antioxidant levels.

Published in:

Scientific Reports, 2021, v. 11, n. 1, p. 1, doi. 10.1038/s41598-021-86187-1

By:

Sun, Lue;
Inaba, Yohei;
Sogo, Yu;
Ito, Atsuo;
Bekal, Mahesh;
Chida, Koichi;
Moritake, Takashi

Publication type:

Article

Basic Performance Evaluation of a Radiation Survey Meter That Uses a Plastic-Scintillation Sensor.

Published in:

Sensors (14248220), 2024, v. 24, n. 10, p. 2973, doi. 10.3390/s24102973

By:

Yamamoto, Keisuke;
Shindo, Ryota;
Ohno, Saya;
Konta, Satoe;
Isobe, Rio;
Inaba, Yohei;
Suzuki, Masatoshi;
Hosoi, Yoshio;
Chida, Koichi

Publication type:

Article

Evaluation of a New Real-Time Dosimeter Sensor for Interventional Radiology Staff.

Published in:

Sensors (14248220), 2023, v. 23, n. 1, p. 512, doi. 10.3390/s23010512

By:

Hattori, Kenshin;
Inaba, Yohei;
Kato, Toshiki;
Fujisawa, Masaki;
Yasuno, Hikaru;
Yamada, Ayumi;
Haga, Yoshihiro;
Suzuki, Masatoshi;
Zuguchi, Masayuki;
Chida, Koichi

Publication type:

Article

Development of Novel Real-Time Radiation Systems Using 4-Channel Sensors.

Published in:

Sensors (14248220), 2020, v. 20, n. 9, p. 2741, doi. 10.3390/s20092741

By:

Inaba, Yohei;
Nakamura, Masaaki;
Zuguchi, Masayuki;
Chida, Koichi

Publication type:

Article

Effective Risk Communications through Personalized Consultations with Pregnant Women and Parents by Radiologic Technologists after the 2011 Fukushima Daiichi Nuclear Disaster.

Published in:

Tohoku Journal of Experimental Medicine, 2022, v. 256, n. 4, p. 259, doi. 10.1620/tjem.2022.J001

By:

Sachiko Yashima;
Koichi Chida

Publication type:

Article

Awareness of Medical Radiologic Technologists of Ionizing Radiation and Radiation Protection.

Published in:

International Journal of Environmental Research & Public Health, 2023, v. 20, n. 1, p. 497, doi. 10.3390/ijerph20010497

By:

Yashima, Sachiko;
Chida, Koichi

Publication type:

Article

The effectiveness of additional lead-shielding drape and low pulse rate fluoroscopy in protecting staff from scatter radiation during cardiac resynchronization therapy (CRT).

Published in:

2019

By:

Morishima, Yoshiaki;
Chida, Koichi;
Katahira, Yoshiaki

Publication type:

journal article

Need for radiation safety education for interventional cardiology staff, especially nurses.

Published in:

Acta Cardiologica, 2016, v. 71, n. 2, p. 151, doi. 10.1080/AC.71.2.3141844

By:

Yoshiaki MORISHIMA;
Koichi CHIDA;
Yoshiaki KATAHIRA;
Hatsue SETO;
Hiroo CHIBA;
Koichi TABAYASHI

Publication type:

Article

Radiation dose of cardiac IVR x-ray systems: a comparison of present and past.

Published in:

Acta Cardiologica, 2015, v. 70, n. 3, p. 299, doi. 10.1080/ac.70.3.3080634

By:

Yohei INABA;
Koichi CHIDA;
Ryota KOBAYASHI;
Yoshihiro HAGA;
Masayuki ZUGUCHI

Publication type:

Article

Evaluation of radiation dose for inferior vena cava filter placement during pregnancy: A comparison of dosimetry and dose calculation software.

Published in:

Journal of Applied Clinical Medical Physics, 2023, v. 24, n. 2, p. 1, doi. 10.1002/acm2.13884

By:

Matsunaga, Yuta;
Haba, Tomonobu;
Kobayashi, Masanao;
Suzuki, Shoichi;
Asada, Yasuki;
Chida, Koichi

Publication type:

Article

Radiation dose for 320‐row dose‐modulated dynamic coronary CT angiography.

Published in:

Journal of Applied Clinical Medical Physics, 2021, v. 22, n. 9, p. 307, doi. 10.1002/acm2.13390

By:

Izoe, Yukako;
Nagao, Michinobu;
Tokai, Mei;
Hashimoto, Hiroyuki;
Tanaka, Isao;
Chida, Koichi

Publication type:

Article

Fetal radiation dose of four tube voltages in abdominal CT examinations during pregnancy: A phantom study.

Published in:

Journal of Applied Clinical Medical Physics, 2021, v. 22, n. 2, p. 178, doi. 10.1002/acm2.13171

By:

Matsunaga, Yuta;
Haba, Tomonobu;
Kobayashi, Masanao;
Suzuki, Shoichi;
Asada, Yasuki;
Chida, Koichi

Publication type:

Article

Fetal dose conversion factor for fetal computed tomography examinations: A mathematical phantom study.

Published in:

Journal of Applied Clinical Medical Physics, 2017, v. 18, n. 5, p. 330, doi. 10.1002/acm2.12154

By:

Matsunaga, Yuta;
Kawaguchi, Ai;
Kobayashi, Masanao;
Suzuki, Shoichi;
Asada, Yasuki;
Ito, Kiyoshi;
Chida, Koichi

Publication type:

Article

Energy dependence and angular dependence of an optically stimulated luminescence dosimeter in the mammography energy range.

Published in:

Journal of Applied Clinical Medical Physics, 2017, v. 18, n. 2, p. 191, doi. 10.1002/acm2.12041

By:

Kawaguchi, Ai;
Matsunaga, Yuta;
Suzuki, Shoichi;
Chida, Koichi

Publication type:

Article

Patient skin dose in cardiac interventional procedures: Conventional fluoroscopy versus pulsed fluoroscopy.

Published in:

Catheterization & Cardiovascular Interventions, 2007, v. 69, n. 1, p. 115, doi. 10.1002/ccd.20961

By:

Koichi Chida;
Kenji Fuda;
Haruo Saito;
Yoshihiro Takai;
Shoki Takahashi;
Shogo Yamada;
Masahiro Kohzuki;
Masayuki Zuguchi

Publication type:

Article

Indicators of the maximum radiation dose to the skin during percutaneous coronary intervention in different target vessels.

Published in:

Catheterization & Cardiovascular Interventions, 2006, v. 68, n. 2, p. 236, doi. 10.1002/ccd.20830

By:

Koichi Chida;
Haruo Saito;
Yutaka Kagaya;
Masahiro Kohzuki;
Yoshihiro Takai;
Shoki Takahashi;
Shogo Yamada;
Masayuki Zuguchi

Publication type:

Article

Safety and clinical benefits of transsubxiphoidal left ventricular puncture.

Published in:

Catheterization & Cardiovascular Interventions, 2002, v. 55, n. 1, p. 58, doi. 10.1002/ccd.10073

By:

Zuguchi, Masayuki;
Shindoh, Chiyohiko;
Chida, Koichi;
Saito, Haruo;
Takai, Yosihiro;
Yamada, Shogo;
Iguchi, Atsushi;
Endo, Masato;
Akimoto, Hiroji;
Tabayashi, Koichi

Publication type:

Article

Usefulness of the spectral shaping dual-source computed tomography imaging technique in posterior corrective fusion for adolescent idiopathic scoliosis.

Published in:

European Spine Journal, 2024, v. 33, n. 2, p. 706, doi. 10.1007/s00586-023-08006-7

By:

Noto, Yoshiyuki;
Endo, Yuki;
Ohashi, Masayuki;
Hirano, Toru;
Kuramoto, Tatsuya;
Chida, Koichi;
Watanabe, Kei

Publication type:

Article

Eye Lens Radiation Dose to Nurses during Cardiac Interventional Radiology: An Initial Study.

Published in:

Diagnostics (2075-4418), 2023, v. 13, n. 18, p. 3003, doi. 10.3390/diagnostics13183003

By:

Yamada, Ayumi;
Haga, Yoshihiro;
Sota, Masahiro;
Abe, Mitsuya;
Kaga, Yuji;
Inaba, Yohei;
Suzuki, Masatoshi;
Tada, Norio;
Zuguchi, Masayuki;
Chida, Koichi

Publication type:

Article

Non-Lead Protective Aprons for the Protection of Interventional Radiology Physicians from Radiation Exposure in Clinical Settings: An Initial Study.

Published in:

Diagnostics (2075-4418), 2021, v. 11, n. 9, p. 1613, doi. 10.3390/diagnostics11091613

By:

Kato, Mamoru;
Chida, Koichi;
Munehisa, Masato;
Sato, Tadaya;
Inaba, Yohei;
Suzuki, Masatoshi;
Zuguchi, Masayuki

Publication type:

Article

Occupational Radiation Dose to Eye Lenses in CT-Guided Interventions Using MDCT-Fluoroscopy.

Published in:

Diagnostics (2075-4418), 2021, v. 11, n. 4, p. 646, doi. 10.3390/diagnostics11040646

By:

Inaba, Yohei;
Hitachi, Shin;
Watanuki, Munenori;
Chida, Koichi

Publication type:

Article

Hybrid Operating Room System for the Treatment of Thoracic and Abdominal Aortic Aneurysms: Evaluation of the Radiation Dose Received by Patients.

Published in:

Diagnostics (2075-4418), 2020, v. 10, n. 10, p. 846, doi. 10.3390/diagnostics10100846

By:

Haga, Yoshihiro;
Chida, Koichi;
Sota, Masahiro;
Kaga, Yuji;
Abe, Mitsuya;
Inaba, Yohei;
Suzuki, Masatoshi;
Meguro, Taiichiro;
Zuguchi, Masayuki

Publication type:

Article

Reducing the Breast Cancer Risk and Radiation Dose of Radiography for Scoliosis in Children: A Phantom Study.

Published in:

Diagnostics (2075-4418), 2020, v. 10, n. 10, p. 753, doi. 10.3390/diagnostics10100753

By:

Nemoto, Manami;
Chida, Koichi

Publication type:

Article

A Rotatable Quality Control Phantom for Evaluating the Performance of Flat Panel Detectors in Imaging Moving Objects.

Published in:

Journal of Digital Imaging, 2016, v. 29, n. 1, p. 38, doi. 10.1007/s10278-015-9816-2

By:

Haga, Yoshihiro;
Chida, Koichi;
Inaba, Yohei;
Kaga, Yuji;
Meguro, Taiichiro;
Zuguchi, Masayuki

Publication type:

Article

Identification of Potential Biomarkers of Radiation Exposure in Blood Cells by Capillary Electrophoresis Time-of-Flight Mass Spectrometry.

Published in:

International Journal of Molecular Sciences, 2020, v. 21, n. 3, p. 812, doi. 10.3390/ijms21030812

By:

Sun, Lue;
Inaba, Yohei;
Kanzaki, Norie;
Bekal, Mahesh;
Chida, Koichi;
Moritake, Takashi

Publication type:

Article

Establishment of acquired radioresistant cells to fractionated radiation from hTERT-immortalized normal human epithelial cell.

Published in:

Radiation Protection Dosimetry, 2024, v. 200, n. 16-18, p. 1636, doi. 10.1093/rpd/ncae118

By:

Suzuki, Masatoshi;
Isobe, Rio;
Sato, Taku;
Ishikawa, Ryoya;
Suzuki, Keiji;
Kino, Yasushi;
Miura, Tomisato;
Inaba, Yohei;
Chida, Koichi;
Fukumoto, Manabu

Publication type:

Article

Analysis of cellular effects by continuous exposure AT low concentration of tritium.

Published in:

Radiation Protection Dosimetry, 2024, v. 200, n. 16-18, p. 1631, doi. 10.1093/rpd/ncae112

By:

Isobe, Rio;
Suzuki, Masatoshi;
Endo, Satoru;
Kino, Yasushi;
Ishikawa, Ryoya;
Inaba, Yohei;
Fukumoto, Manabu;
Chida, Koichi

Publication type:

Article

Assessment of fetal radiation exposure in pregnant women undergoing computed tomography and rotational angiography examinations for pelvic trauma.

Published in:

Radiation Protection Dosimetry, 2024, v. 200, n. 6, p. 580, doi. 10.1093/rpd/ncae058

By:

Matsunaga, Yuta;
Haba, Tomonobu;
Kobayashi, Masanao;
Suzuki, Shoichi;
Asada, Yasuki;
Chida, Koichi

Publication type:

Article

LENS EQUIVALENT DOSE OF STAFF DURING ENDOSCOPIC RETROGRADE CHOLANGIOPANCREATOGRAPHY: DOSE COMPARISON USING TWO TYPES OF DOSEMETERS.

Published in:

Radiation Protection Dosimetry, 2022, v. 198, n. 18, p. 1368, doi. 10.1093/rpd/ncac160

By:

Morishima, Yoshiaki;
Chida, Koichi;
Meguro, Takayoshi;
Hirota, Morihisa;
Chiba, Hiroo;
Fukuda, Hiroshi

Publication type:

Article

PHANTOM STUDY OF THE ENTRANCE SURFACE DOSE OF A NEW CT SCOUT ACQUISITION THAT ALSO SERVES AS A TUBE WARM-UP.

Published in:

Radiation Protection Dosimetry, 2022, v. 198, n. 6, p. 334, doi. 10.1093/rpd/ncac057

By:

Ota, Joji;
Yokota, Hajime;
Higashida, Reona;
Komiya, Ryota;
Kawakami, Yuya;
Chida, Koichi;
Masuda, Yoshitada;
Uno, Takashi

Publication type:

Article

Head CT dose reduction with organ‐based tube current modulation.

Published in:

Medical Physics, 2022, v. 49, n. 3, p. 1964, doi. 10.1002/mp.15467

By:

Ota, Joji;
Yokota, Hajime;
Kobayashi, Takenori;
Ogata, Yuki;
Kubo, Takumi;
Chida, Koichi;
Masuda, Yoshitada;
Uno, Takashi

Publication type:

Article

Red emission phosphor for real-time skin dosimeter for fluoroscopy and interventional radiology.

Published in:

Medical Physics, 2014, v. 41, n. 10, p. 1, doi. 10.1118/1.4893534

By:

Nakamura, Masaaki;
Chida, Koichi;
Zuguchi, Masayuki

Publication type:

Article

Radiation dose to the eye of physicians during radio frequency catheter ablation: a small-scale study.

Published in:

Irish Journal of Medical Science, 2024, v. 193, n. 6, p. 2745, doi. 10.1007/s11845-024-03802-6

By:

Morishima, Yoshiaki;
Chida, Koichi;
Chiba, Hiroo;
Kumagai, Koji

Publication type:

Article

New Radioprotective Device that can be Used for Fluoroscopic Exam: Possibility to Contribute to Staff Exposure Protection During VFSS.

Published in:

Dysphagia (0179051X), 2022, v. 37, n. 6, p. 1519, doi. 10.1007/s00455-022-10411-x

By:

Morishima, Yoshiaki;
Chida, Koichi;
Ito, Osamu

Publication type:

Article

Effectiveness of a New Lead-Shielding Device and Additional Filter for Reducing Staff and Patient Radiation Exposure During Videofluoroscopic Swallowing Study Using a Human Phantom.

Published in:

2018

By:

Morishima, Yoshiaki;
Chida, Koichi;
Muroya, Yoshikazu;
Utsumi, Yoshiya

Publication type:

journal article

Estimation of the Dose of Radiation Received by Patient and Physician During a Videofluoroscopic Swallowing Study.

Published in:

2016

By:

Morishima, Yoshiaki;
Chida, Koichi;
Watanabe, Hiroshi

Publication type:

journal article

Correlation of Radiocesium Activity between Muscle and Peripheral Blood of Live Cattle Depending on Presence or Absence of Radiocontamination in Feed.

Published in:

Radiation Research, 2019, v. 192, n. 6, p. 589, doi. 10.1667/RR15418.1

By:

Suzuki, Masatoshi;
Suzuki, Hidehiko;
Ishiguro, Hirotoshi;
Saito, Yosuke;
Watanabe, Satoshi;
Kozutsumi, Tomoyuki;
Sochi, Yuichiro;
Nishi, Kiyoshi;
Urushihara, Yusuke;
Kino, Yasushi;
Numabe, Takashi;
Sekine, Tsutomu;
Chida, Koichi;
Fukumoto, Manabu

Publication type:

Article