| Assessment of atrial conduction time in patients with sarcoidosis. | |
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MedLine Citation:
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PMID: 21060284 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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OBJECTIVES: Sarcoidosis is an inflammatory granulomatous disease of unknown cause that involves multiple organ systems. Myocardial involvement is usually associated with poor prognosis, but diagnosis of cardiac sarcoidosis is frequently difficult. The aim of this study was to investigate the atrial conduction time in patients with sarcoidosis by using high-usefulness tissue Doppler echocardiography. METHODS: The study population included 49 patients with sarcoidosis (19 men; mean age, 40.5 ± 9.8 years; mean disease duration, 35.7 ± 15.3 months) and 45 healthy control subjects (17 men; mean age, 40.7 ± 7.2 years). From the 12-lead electrocardiogram, P wave dispersion (PWD) was calculated. The timing of atrial contractions (PA) was measured as the intervals between the onset of P wave on electrocardiogram and the beginning of A-wave on TDI, and atrial electromechanical delay (EMD) was calculated from the lateral (PA lateral) and septal (PA septal) mitral annulus and lateral tricuspid annulus (PA tricuspid). RESULTS: Both PA lateral and PA septal were significantly longer in patients with sarcoidosis than control subjects (67.9 ± 16.1 vs 56.3 ± 13.1, P < 0.001; and 54.8 ± 15.2 vs 45.1 ± 14.2 ms, P = 0.002, respectively). Intra-atrial (PA septal-PA tricuspid) and interatrial (PA lateral-PA tricuspid) EMD were significantly higher in sarcoidosis groups (12.6 ± 7.5 vs 8.0 ± 7.1, P = 0.003; and 25.7 ± 9.8 vs 19.3 ± 7.7 ms, P = 0.001, respectively). Similarly, maximum P-wave duration and PWD were significantly longer in patients with sarcoidosis than control subjects (105.2 ± 11.8 vs 96.7 ± 15.4, P = 0.004 and 24.7 ± 5.6 vs 19.7 ± 7.1 ms, P = 0.001, respectively). There were significant positive correlations between the disease duration and interatrial EMD (r = 0.56, P < 0.001) and intra-atrial EMD (r = 0.66, P < 0.001). Positive correlation also was present between the disease duration and PWD (r = .62, P < 0.001). CONCLUSIONS: Atrial EMD was found prolonged in patients with sarcoidosis. We also have demonstrated that PWD, interatrial and intra-atrial EMD were significantly correlated with disease duration. This study calls attention to measurement of atrial conduction time that may be clinically helpful in the recognition of cardiac involvement. |
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Authors:
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Hakan Buyukoglan; Mehmet Gungor Kaya; Idris Ardic; Mikail Yarlioglues; Orhan Dogdu; Canan Bol; Omer Sahin; Asiye Kanbay; Fatih Koç; Ibrahim Ozdogru |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of investigative medicine : the official publication of the American Federation for Clinical Research Volume: 59 ISSN: 1708-8267 ISO Abbreviation: J. Investig. Med. Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2010-12-23 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9501229 Medline TA: J Investig Med Country: Canada |
Other Details:
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Languages: eng Pagination: 15-21 Citation Subset: IM |
Affiliation:
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Departments of Respiratory Disease, Erciyes University School of Medicine, Kayseri, Turkey. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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