Relationship between arrhythmogenesis and disease activity in cardiac sarcoidosis.

Relationship between arrhythmogenesis and disease activity in cardiac sarcoidosis. Research Abstract Details 

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Relationship between arrhythmogenesis and disease activity in cardiac sarcoidosis. Abstract Text:

Kimikazu Banba,Kengo Fukushima Kusano,Kazufumi Nakamura,Hiroshi Morita,Aiko Ogawa,Fuyo Ohtsuka,Keiko Ohta Ogo,Nobuhiro Nishii,Atsuyuki Watanabe,Satoshi Nagase,Satoru Sakuragi,Tohru Ohe,Kimikazu Banba,Kengo Fukushima Kusano,Kazufumi Nakamura,Hiroshi Morita,Aiko Ogawa,Fuyo Ohtsuka,Keiko Ohta Ogo,Nobuhiro Nishii,Atsuyuki Watanabe,Satoshi Nagase,Satoru Sakuragi,Tohru Ohe,

BACKGROUND: In patients with cardiac sarcoidosis, ventricular arrhythmias and/or conduction disturbances are frequently observed and sometimes fatal. However, few reports on disease activity and arrhythmic events in cardiac sarcoidosis are available. OBJECTIVE: The purpose of this study was to investigate the relationship between disease activity and arrhythmic events in cardiac sarcoidosis and the effect of corticosteroid therapy. METHODS: The study population consisted of 15 cardiac sarcoidosis patients with new-onset symptomatic arrhythmia, including eight patients admitted once for complete atrioventricular block (CAVB), five patients admitted once for sustained ventricular tachycardia (VT), and two patients admitted twice for two arrhythmic events (one for CAVB and the other for sustained VT). Disease activity was evaluated by gallium-67 citrate (Ga) scintigraphy. All patients with positive Ga uptake were treated with corticosteroids, and arrhythmic events were evaluated by repeat Holter recordings. RESULTS: Positive uptake of Ga was observed in 8 (80%) of the 10 CAVB events and in 1 (14%) of the 7 sustained VT events (80% vs 14%, P = .02). Corticosteroids abolished myocardial Ga uptake in all nine patients with positive Ga uptake. After corticosteroid therapy was started, AV conduction improved in 5 of 9 CAVB patients (including 8 patients with new-onset CAVB and one patient with history of CAVB). However, ventricular arrhythmias were not improved after corticosteroid therapy. CONCLUSION: In cardiac sarcoidosis patients, CAVB develops mainly during the active phase of the disease. Early treatment with corticosteroids might improve AV conduction disturbance. However, sustained VT is not closely linked with disease activity and frequently develops in the advanced stage of disease.

Relationship between arrhythmogenesis and disease activity in cardiac sarcoidosis. Publishing Authors By Initials

K Banba,KF Kusano,K Nakamura,H Morita,A Ogawa,F Ohtsuka,KO Ogo,N Nishii,A Watanabe,S Nagase,S Sakuragi,T Ohe,K Banba,KF Kusano,K Nakamura,H Morita,A Ogawa,F Ohtsuka,KO Ogo,N Nishii,A Watanabe,S Nagase,S Sakuragi,T Ohe,

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Relationship between arrhythmogenesis and disease activity in cardiac sarcoidosis. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Heart rhythm : the official journal of the Heart R

VOLUME: 4

Page Numbers: 1292-9

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ISSN: 1547-5271

DAY: 16

MONTH: 06

YEAR: 2007

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LANGUAGE: eng

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AFFILIATION: Department of Cardiovascular Medicine, Graduate School of Medicine and Dentistry and Pharmaceutical Sciences, Okayama University, 2-5-1 Shikata-cho, Okayama 700-8558, Japan. kbanban818@yahoo.co.jp

Country: United States

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MEDLINETA: Heart Rhythm

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