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(123)I-MIBG imaging detects cardiac involvement and predicts cardiac events in Churg-Strauss syndrome.
MedLine Citation:
PMID:  20862470     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
PURPOSE: In Churg-Strauss syndrome (CSS) it is important to detect cardiac involvement, which predicts poor prognosis. This study evaluated whether (123)I-metaiodobenzylguanidine (MIBG) scintigraphy could detect cardiac damage and predict cardiac events in CSS.
METHODS: (123)I-MIBG scintigraphy was performed in 28 patients with CSS, 12 of whom had cardiac involvement. The early and delayed heart to mediastinum ratio (early H/M and delayed H/M) and washout rate were calculated by using (123)I-MIBG scintigraphy and compared with those in control subjects.
RESULTS: Early H/M and delayed H/M were significantly lower and the washout rate was significantly higher in patients with cardiac involvement than in those without and in controls (early H/M, p = 0.0024, p = 0.0001; delayed H/M, p = 0.0002, p = 0.0001; washout rate, p = 0.0012, p = 0.0052 vs those without and vs controls, respectively). Accuracy for detecting cardiac involvement was 86% for delayed H/M and washout rate and 79% for early H/M and B-type natriuretic peptide (BNP). Kaplan-Meier analysis showed significantly lower cardiac event-free rates in patients with early H/M ≤ 2.18 and BNP > 21.8 pg/ml than those with early H/M > 2.18 and BNP ≤ 21.8 pg/ml (log-rank test p = 0.006).
CONCLUSION: Cardiac sympathetic nerve function was damaged in CSS patients with cardiac involvement. (123)I-MIBG scintigraphy was useful in detecting cardiac involvement and in predicting cardiac events.
Authors:
Yoriko Horiguchi; Yukiko Morita; Naomi Tsurikisawa; Kazuo Akiyama
Publication Detail:
Type:  Journal Article     Date:  2010-09-23
Journal Detail:
Title:  European journal of nuclear medicine and molecular imaging     Volume:  38     ISSN:  1619-7089     ISO Abbreviation:  Eur. J. Nucl. Med. Mol. Imaging     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-01-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101140988     Medline TA:  Eur J Nucl Med Mol Imaging     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  221-9     Citation Subset:  IM    
Affiliation:
Department of Cardiology, National Hospital Organization Sagamihara National Hospital, 18-1 Sakuradai, Minami-ku, Sagamihara City, Kanagawa, 252-0392, Japan, DZQ04361@nifty.com.
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