Takayuki Shibutani1, Koichi Okuda2, Hajime Ichikawa3, Toyohiro Kato3, Kenta Miwa4, Hiroyuki Tsushima5, Masahisa Onoguchi6, Akio Nagaki7. 1. Department of Quantum Medical Technology, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 5-11-80, Kodatsuno, Kanazawa, Ishikawa, Japan. iwsb03100621@staff.kanazawa-u.ac.jp. 2. Department of Physics, Kanazawa Medical University, Kahoku, Japan. 3. Department of Radiology, Toyohashi Municipal Hospital, Toyohashi, Japan. 4. Department of Radiological Sciences, School of Health Sciences, International University of Health and Welfare, Ohtawara, Japan. 5. Department of Radiological Sciences, Ibaraki Prefectural University of Health Sciences, Ibaraki, Japan. 6. Department of Quantum Medical Technology, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 5-11-80, Kodatsuno, Kanazawa, Ishikawa, Japan. 7. Department of Radiological Technology, Kurashiki Central Hospital, Kurashiki, Japan.
Abstract
AIM: Recently, nuclear cardiology has dramatically advanced by a new technology development such as the device, short-term acquisition system, image reconstruction algorithm and image analysis. Although these innovations have been gradually employed in routine examinations, we did not investigate the current use of image acquisition, image reconstruction, and image analysis with myocardial perfusion single-photon emission computed tomography (MPS). We investigated the current status of MPS imaging technology in Japan. METHODS: We carried out a survey using a Web-based questionnaire system, the opening of which was announced via e-mail, and it was available on a website for 3 months. We collected data on the current use of MPS with 201Tl and/or 99mTc agents with respect to routine protocols, image acquisition, image reconstruction, and image analysis. RESULTS: We received responses to the Web-based questionnaire from 178 and 174 people for 99mTc and 201Tl MPS, respectively. The routine protocols of MPS of stress-rest and rest-stress MPS on 1-day protocols with 99mTc were 41.2% and 14.5%, respectively, and the rest-only scan response rate was 23.7%, whereas that of 201Tl MPS was 65.9% with stress-rest MPS, 19.0% with rest-only MPS, and 10.9% with stress-rest MPS adding a rest scan 24 h after injection. The filtered back projection (FBP) method is most commonly used image reconstruction method, yielding 70.5% for 99mTc MPS and 76.8% for 201Tl MPS, including combined FBP and ordered subset expectation maximization method. The results for no-correction (NC) images were 49.2% with 99mTc MPS and 55.2% with 201Tl MPS including the response of NC and combined attenuation correction (AC) and scatter correction (SC) (i.e., ACSC) images. The AC or ACSC images of 99mTc and 201Tl were provided by 30-40% of the institutions surveyed. CONCLUSIONS: We investigated the current status of MPS imaging technology in Japan, and found that although the use of various technical developments has been reported, some of these technologies have not been utilized effectively. Hence, we expect that nuclear medicine technology will be used more effectively to improve diagnosis.
AIM: Recently, nuclear cardiology has dramatically advanced by a new technology development such as the device, short-term acquisition system, image reconstruction algorithm and image analysis. Although these innovations have been gradually employed in routine examinations, we did not investigate the current use of image acquisition, image reconstruction, and image analysis with myocardial perfusion single-photon emission computed tomography (MPS). We investigated the current status of MPS imaging technology in Japan. METHODS: We carried out a survey using a Web-based questionnaire system, the opening of which was announced via e-mail, and it was available on a website for 3 months. We collected data on the current use of MPS with 201Tl and/or 99mTc agents with respect to routine protocols, image acquisition, image reconstruction, and image analysis. RESULTS: We received responses to the Web-based questionnaire from 178 and 174 people for 99mTc and 201Tl MPS, respectively. The routine protocols of MPS of stress-rest and rest-stress MPS on 1-day protocols with 99mTc were 41.2% and 14.5%, respectively, and the rest-only scan response rate was 23.7%, whereas that of 201Tl MPS was 65.9% with stress-rest MPS, 19.0% with rest-only MPS, and 10.9% with stress-rest MPS adding a rest scan 24 h after injection. The filtered back projection (FBP) method is most commonly used image reconstruction method, yielding 70.5% for 99mTcMPS and 76.8% for 201Tl MPS, including combined FBP and ordered subset expectation maximization method. The results for no-correction (NC) images were 49.2% with 99mTcMPS and 55.2% with 201Tl MPS including the response of NC and combined attenuation correction (AC) and scatter correction (SC) (i.e., ACSC) images. The AC or ACSC images of 99mTc and 201Tl were provided by 30-40% of the institutions surveyed. CONCLUSIONS: We investigated the current status of MPS imaging technology in Japan, and found that although the use of various technical developments has been reported, some of these technologies have not been utilized effectively. Hence, we expect that nuclear medicine technology will be used more effectively to improve diagnosis.
Authors: Y Ohyama; S Tomiguchi; T Kira; M Kira; A Tsuji; A Koi; M Matsumoto; M Takahashi; Y Inobe; H Yasue Journal: Ann Nucl Med Date: 2001-02 Impact factor: 2.668
Authors: Rene Nkoulou; Tobias A Fuchs; Aju P Pazhenkottil; Silke M Kuest; Jelena R Ghadri; Julia Stehli; Michael Fiechter; Bernhard A Herzog; Oliver Gaemperli; Ronny R Buechel; Philipp A Kaufmann Journal: J Nucl Med Date: 2016-06-30 Impact factor: 10.057
Authors: T M Bateman; J Maddahi; R J Gray; F L Murphy; E V Garcia; C M Conklin; M J Raymond; M E Stewart; H J Swan; D S Berman Journal: J Am Coll Cardiol Date: 1984-07 Impact factor: 24.094
Authors: Cesar A Santana; Ernest V Garcia; Tracy L Faber; Gopi K R Sirineni; Fabio P Esteves; Rupan Sanyal; Raghuveer Halkar; Mario Ornelas; Liudmila Verdes; Stamatios Lerakis; Julie J Ramos; Santiago Aguadé-Bruix; Hugo Cuéllar; Jaume Candell-Riera; Paolo Raggi Journal: J Nucl Cardiol Date: 2009-01-22 Impact factor: 5.952