Utility of gallium-67 scintigraphy for evaluation of cardiac sarcoidosis with ventricular tachycardia View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2006-03-14

AUTHORS

Hideki Futamatsu, Jun-ichi Suzuki, Susumu Adachi, Hiroyuki Okada, Kenichiro Otomo, Takahiro Ohara, Yuji Hashimoto, Tsunekazu Kakuta, Yoshito Iesaka, Hiroaki Yamaguchi, Harumizu Sakurada, Akira Sato, Tohru Obayashi, Akihiro Niwa, Kenzo Hirao, Mitsuaki Isobe

ABSTRACT

BackgroundThe outcome of cardiac sarcoidosis is sometimes very poor. Ventricular tachycardia (VT) associated with cardiac sarcoidosis is the most common cause of sudden death among most patients. However, there is no established method for potential VT in patients with cardiac sarcoidosis. Thus, we investigated the utility of evaluation of gallium-67 scintigraphy for potential VT in patients with cardiac sarcoidosis.Methods and ResultsCardiac sarcoidosis was diagnosed in 25 patients at ours or collaborating hospitals during the period 1982 through 2004. Twenty-one of these patients were treated with corticosteroid, and these patients were divided into two groups, depending on whether VT was present: a non-VT group (n=7) and a VT group (n=14). Laboratory and gallium-67 scintigraphy findings were examined in both groups. During the follow-up period, initial and maintenance dosages of corticosteroid did not differ significantly between the groups. Accumulation of gallium-67 in the heart at the time of diagnosis was detected more frequently in the VT group than in the non-VT group (14.3 vs. 71.4%, p<0.05). Six of the seven VT patients who underwent follow-up examination showed improvement on the scintigram obtained after treatment. Five of the six showed no VT recurrence in terms of Holter electrocardiogram, electrophysiologic study, or delivery of implantable cardioverter defibrillator shock. Serum angiotensin-converting enzyme and lysozyme concentrations were within normal limits in most patients in both groups.ConclusionsActivity of sarcoid granulomas may be associated with the occurrence of VT. Gallium-67 scintigraphy reflects the activity of sarcoid granulomas and thus is useful for evaluation of cardiac sarcoidosis in patients with potential VT. More... »

PAGES

443-448

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s10554-005-9043-x

DOI

http://dx.doi.org/10.1007/s10554-005-9043-x

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1016495927

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/16763884


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25 schema:description BackgroundThe outcome of cardiac sarcoidosis is sometimes very poor. Ventricular tachycardia (VT) associated with cardiac sarcoidosis is the most common cause of sudden death among most patients. However, there is no established method for potential VT in patients with cardiac sarcoidosis. Thus, we investigated the utility of evaluation of gallium-67 scintigraphy for potential VT in patients with cardiac sarcoidosis.Methods and ResultsCardiac sarcoidosis was diagnosed in 25 patients at ours or collaborating hospitals during the period 1982 through 2004. Twenty-one of these patients were treated with corticosteroid, and these patients were divided into two groups, depending on whether VT was present: a non-VT group (n=7) and a VT group (n=14). Laboratory and gallium-67 scintigraphy findings were examined in both groups. During the follow-up period, initial and maintenance dosages of corticosteroid did not differ significantly between the groups. Accumulation of gallium-67 in the heart at the time of diagnosis was detected more frequently in the VT group than in the non-VT group (14.3 vs. 71.4%, p<0.05). Six of the seven VT patients who underwent follow-up examination showed improvement on the scintigram obtained after treatment. Five of the six showed no VT recurrence in terms of Holter electrocardiogram, electrophysiologic study, or delivery of implantable cardioverter defibrillator shock. Serum angiotensin-converting enzyme and lysozyme concentrations were within normal limits in most patients in both groups.ConclusionsActivity of sarcoid granulomas may be associated with the occurrence of VT. Gallium-67 scintigraphy reflects the activity of sarcoid granulomas and thus is useful for evaluation of cardiac sarcoidosis in patients with potential VT.
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32 schema:keywords ConclusionsActivity
33 Gallium-67 scintigraphy
34 Holter electrocardiogram
35 ResultsCardiac sarcoidosis
36 Serum angiotensin-converting enzyme
37 VT group
38 VT patients
39 VT recurrence
40 accumulation
41 activity
42 angiotensin-converting enzyme
43 cardiac sarcoidosis
44 cardioverter defibrillator shock
45 cause
46 common cause
47 concentration
48 corticosteroids
49 death
50 defibrillator shocks
51 delivery
52 diagnosis
53 dosage
54 electrocardiogram
55 electrophysiologic study
56 enzyme
57 established method
58 evaluation
59 examination
60 findings
61 follow
62 granulomas
63 group
64 heart
65 hospital
66 implantable cardioverter defibrillator shocks
67 improvement
68 laboratory
69 limit
70 lysozyme concentration
71 maintenance dosage
72 method
73 most patients
74 normal limits
75 occurrence
76 occurrence of VT
77 ours
78 outcomes
79 patients
80 period
81 potential VT
82 recurrence
83 sarcoid granulomas
84 sarcoidosis
85 scintigrams
86 scintigraphy
87 scintigraphy findings
88 shock
89 study
90 sudden death
91 tachycardia
92 terms
93 time
94 time of diagnosis
95 treatment
96 utility
97 utility of evaluation
98 ventricular tachycardia
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