| Diagnostic yield and therapeutic impact of transthoracic echocardiography in patients with potential cardiac sources of cerebral embolism. | |
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MedLine Citation:
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PMID: 20563364 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To explore the diagnostic yield of transthoracic echocardiography (TTE), and assess the effect of echocardiographic findings on subsequent therapy. METHODS: In this retrospective study, we reviewed TTE reports and hospital records of patients diagnosed with a stroke or transient ischemic attack (TIA), screening for potential cardiac sources of embolism (CSE) from January 2006 to December 2008 at King Khalid University Hospital, Riyadh, Kingdom of Saudi Arabia by considering at least 15 predefined TTE criteria. The therapeutic interventions employed as a consequence of the TTE findings were sought. RESULTS: We analyzed 240 patients (mean patient age 58.514) out of 10563 TTEs. While only one patient exhibited a definite CSE on TTE, potential CSEs were found in 35 patients (14.6%), most commonly caused by left ventricular (LV) systolic dysfunction (31.4%), followed by LV regional wall motion abnormalities (25.7%). Multivariate analysis revealed 2 independent predictors for identifying a CSE on TTE: history of coronary artery disease (odds ratio [OR] 6.2, 95% confidence interval [CI]:2.6-14.8, p=0.0001), and nationality (OR 0.16, 95% CI: 0.3-0.7, p=0.019). The TTE findings affected therapy in only 3 patients (1.2%). CONCLUSION: The TTE performed to exclude a CSE in patients with stroke or TIA resulted in low diagnostic yield, and had little impact on therapeutic decisions. Future refinement of clinical strategies to predict a CSE is needed to improve diagnosis, and possibly cost-effectiveness, of TTE. |
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Authors:
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Hussam F Al-Faleh; Amjad O Al-Qadi; Ahmed S Hersi |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Saudi medical journal Volume: 31 ISSN: 0379-5284 ISO Abbreviation: Saudi Med J Publication Date: 2010 Jun |
Date Detail:
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Created Date: 2010-06-21 Completed Date: 2010-11-08 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7909441 Medline TA: Saudi Med J Country: Saudi Arabia |
Other Details:
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Languages: eng Pagination: 658-62 Citation Subset: IM |
Affiliation:
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Department of Cardiac Sciences, Cardiac Catheterization Lab, College of Medicine, King Saud University, PO Box 7805, Riyadh 11472, Kingdom of Saudi Arabia. halfaleh@ksu.edu.sa |
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Echocardiography* Female Heart Diseases / complications* Humans Intracranial Embolism / etiology*, ultrasonography Male Middle Aged Retrospective Studies |
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