{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T14:05:49Z","timestamp":1753884349180,"version":"3.41.2"},"reference-count":29,"publisher":"Oxford University Press (OUP)","issue":"1070","license":[{"start":{"date-parts":[[2017,1,6]],"date-time":"2017-01-06T00:00:00Z","timestamp":1483660800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2017,2,1]]},"abstract":"<jats:sec>\n                  <jats:title>Objective:<\/jats:title>\n                  <jats:p>Since the clinical symptoms of different types of dementia frequently overlap, especially in the earlier stages at onset, it is difficult to distinguish dementia with Lewy bodies (DLB) from other neurodegenerative dementias based on their clinical manifestations alone. Nuclear medicine imaging has been reported as a high-value index for the objective evaluation and diagnosis of DLB. The aim of this study was to evaluate whether nuclear medicine imaging findings may yield core features to be added to the diagnosis of DLB.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods:<\/jats:title>\n                  <jats:p>We enrolled 332 patients with suspected DLB. All were evaluated by both 123I-metaiodobenzylguanidine (123I-MIBG) myocardial scintigraphy and 123I-labelled N-isopropyl-p-iodoamphetamine (123I-IMP). brain perfusion single-photon emission CT. The final clinical diagnosis indicated probable DLB in 92 patients (40 males, 52 females; mean age\u2009\u00b1\u2009standard deviation, 77.4\u2009\u00b1\u20096.4 years; range, 56\u201389 years); 240 patients (98 males, 142 females; mean age, 75.5\u2009\u00b1\u20099.0 years; range, 70\u201387 years) were recorded as being without DLB. The accepted core features used for clinical evaluations were fluctuating cognition, visual hallucinations and Parkinsonism. The nuclear medicine evaluation indices were the severity score of cerebral blood flow on 123I-IMP scintigraphs of the posterior cingulate and praecuneus and a reduction in the blood flow in the occipital lobe. For 123I-MIBG evaluation, we recorded the early and delayed heart-to-mediastinum (H\/M) ratios and the washout rate.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results:<\/jats:title>\n                  <jats:p>Univariate and multivariate analyses of fluctuating cognition, visual hallucinations, Parkinsonism and early H\/M ratio in patients with probable and without DLB revealed significant differences. Parameters based on 123I-IMP studies did not show any significant differences by multivariate analysis. The area under the curve for the early H\/M ratio was 0.918; for fluctuating cognition, visual hallucinations and Parkinsonism, it was 0.693, 0.760 and 0.611, respectively, by receiver-operating characteristic analysis. The early H\/M ratio of &amp;lt;2.0 on 123I-MIBG scintigraphs was of the highest diagnostic accuracy. The sensitivity, specificity and accuracy for the diagnosis of probable DLB were 82.4%, 96.3% and 92.5%, respectively.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusion:<\/jats:title>\n                  <jats:p>The early H\/M ratio obtained by 123I-MIBG myocardial scintigraphy can serve as a reliable diagnostic index for the core clinical features of DLB. It can be used for the early diagnosis and treatment of DLB.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Advances in knowledge:<\/jats:title>\n                  <jats:p>123I-MIBG myocardial scintigraphy performed at the initial clinical examination can facilitate the early identification or exclusion of DLB and the early H\/M ratio may be a diagnostic biomarker for DLB.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1259\/bjr.20160156","type":"journal-article","created":{"date-parts":[[2016,11,29]],"date-time":"2016-11-29T11:29:03Z","timestamp":1480418943000},"source":"Crossref","is-referenced-by-count":13,"title":["Diagnosis of dementia with Lewy bodies: can 123I-IMP and 123I-MIBG scintigraphy yield new core features?"],"prefix":"10.1093","volume":"90","author":[{"given":"Fumi","family":"Sakamoto","sequence":"first","affiliation":[{"name":"Department of Diagnostic Radiology, Graduate School of Life Sciences, Kumamoto University, Kumamoto, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shinya","family":"Shiraishi","sequence":"additional","affiliation":[{"name":"Department of Diagnostic Radiology, Graduate School of Life Sciences, Kumamoto University, Kumamoto, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Noriko","family":"Tsuda","sequence":"additional","affiliation":[{"name":"Department of Diagnostic Radiology, Graduate School of Life Sciences, Kumamoto University, Kumamoto, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mamoru","family":"Hashimoto","sequence":"additional","affiliation":[{"name":"Department of Neuropsychiatry, Graduate School of Life Sciences, Kumamoto University, Kumamoto, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Seiji","family":"Tomiguchi","sequence":"additional","affiliation":[{"name":"Department of Diagnostic Medical Imaging, School of Health Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Manabu","family":"Ikeda","sequence":"additional","affiliation":[{"name":"Department of Neuropsychiatry, Graduate School of Life Sciences, Kumamoto University, Kumamoto, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yasuyuki","family":"Yamashita","sequence":"additional","affiliation":[{"name":"Department of Diagnostic Radiology, Graduate School of Life Sciences, Kumamoto University, Kumamoto, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2017,1,6]]},"reference":[{"key":"2024050213541729400_b1","doi-asserted-by":"crossref","first-page":"561","DOI":"10.1093\/ageing\/afi190","article-title":"A systematic review of prevalence and incidence studies of dementia with Lewy bodies","volume":"34","author":"Zaccai","year":"2005","journal-title":"Age 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