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      Practice recommendation for measuring washout rates in 123I-BMIPP fatty acid images

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          Abstract

          The purpose of this practice recommendation is to specifically identify the critical steps involved in performing and interpreting 123I-β-methyl-iodophenyl-pentadecanoic acid (BMIPP) single-photon emission computed tomography (SPECT) and measurement of washout rate (WR) from the heart. This document will cover backgrounds, patient preparation, testing procedure, visual image interpretation, quantitation methods using planar and SPECT studies, and reporting of WR. The pitfall and some tips for the calculation of 123I-BMIPP WR are also included. The targets of global and regional WR calculation include ischemic heart disease, cardiomyopathy, heart failure, and triglyceride deposit cardiomyovasculopathy, an emerging rare heart disease.

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          Most cited references31

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          Triglyceride deposit cardiomyovasculopathy.

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            JCS 2018 Guideline on Diagnosis of Chronic Coronary Heart Diseases

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              Triglyceride deposit cardiomyovasculopathy: a rare cardiovascular disorder

              Triglyceride deposit cardiomyovasculopathy (TGCV) is a phenotype primarily reported in patients carrying genetic mutations in PNPLA2 encoding adipose triglyceride lipase (ATGL) which releases long chain fatty acid (LCFA) as a major energy source by the intracellular TG hydrolysis. These patients suffered from intractable heart failure requiring cardiac transplantation. Moreover, we identified TGCV patients without PNPLA2 mutations based on pathological and clinical studies. We provided the diagnostic criteria, in which TGCV with and without PNPLA2 mutations were designated as primary TGCV (P-TGCV) and idiopathic TGCV (I-TGCV), respectively. We hereby report clinical profiles of TGCV patients. Between 2014 and 2018, 7 P-TGCV and 18 I-TGCV Japanese patients have been registered in the International Registry. Patients with I-TGCV, of which etiologies and causes are not known yet, suffered from adult-onset severe heart disease, including heart failure and coronary artery disease, associated with a marked reduction in ATGL activity and myocardial washout rate of LCFA tracer, as similar to those with P-TGCV. The present first registry-based study showed that TGCV is an intractable, at least at the moment, and heterogeneous cardiovascular disorder.
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                Author and article information

                Contributors
                nakajima@med.kanazawa-u.ac.jp
                Journal
                Ann Nucl Med
                Ann Nucl Med
                Annals of Nuclear Medicine
                Springer Nature Singapore (Singapore )
                0914-7187
                1864-6433
                11 September 2023
                11 September 2023
                2024
                : 38
                : 1
                : 1-8
                Affiliations
                [1 ]Department of Functional Imaging and Artificial Intelligence, Kanazawa University, ( https://ror.org/02hwp6a56) 13-1 Takara-Machi, Kanazawa, 920-8640 Japan
                [2 ]Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, ( https://ror.org/01hjzeq58) Chiba, Japan
                [3 ]Department of Triglyceride Science, Graduate School of Medicine, Osaka University, ( https://ror.org/035t8zc32) Osaka, Japan
                [4 ]Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, ( https://ror.org/01692sz90) Tokyo, Japan
                [5 ]Department of Cardiology, Shizuoka City Shizuoka Hospital, ( https://ror.org/00hswnf74) Shizuoka, Japan
                [6 ]Department of Radiation Technology, Chiba University Hospital, ( https://ror.org/0126xah18) Chiba, Japan
                [7 ]Department of Radioisotope Medicine, Atomic Bomb Disease and Hibakusha Medicine Unit, Atomic Bomb Disease Institute, Nagasaki University, ( https://ror.org/058h74p94) Nagasaki, Japan
                Author information
                http://orcid.org/0000-0001-7188-8746
                Article
                1863
                10.1007/s12149-023-01863-8
                10766729
                37691078
                558858a9-1688-4729-8b14-cb1c8807c82c
                © The Author(s) 2023, corrected publication 2023

                Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

                History
                : 28 July 2023
                : 1 August 2023
                Categories
                Special Article
                Custom metadata
                © The Japanese Society of Nuclear Medicine 2024

                Radiology & Imaging
                nuclear medicine imaging,fatty acid metabolism,imaging procedure,single-photon emission computed tomography,washout rate

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