| Echocardiographic evaluation of right ventricular function in patients with acute pulmonary embolism: a study using tricuspid annular motion. | |
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MedLine Citation:
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PMID: 20113327 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Assessment of right ventricular (RV) function is a challenge due to complex anatomy. We studied systolic and diastolic tricuspid annular excursion and longitudinal RV fractional shortening as geometry-independent measures in patients with acute pulmonary embolism (PE). Forty patients with PE were studied within 24 hours after admission and after 3 months, and compared to 23 healthy subjects used as controls. We recorded tricuspid annular plane systolic (TAPSE) and diastolic (TAPDE) excursion from the four-chamber view and calculated RV fractional shortening as TAPSE/RV diastolic length. The diastolic RV function was defined as the ratio of the amplitude of tricuspid annular plane excursion during atrial systole to total tricuspid annular plane diastolic excursion (atrial/total TAPDE). In the acute stage, the TAPSE was decreased in PE compared to healthy subjects (19 +/- 5 vs. 26 +/- 4 mm, P < 0.001), with greater reduction in patients with increased, compared to normal, RV pressure (16.6 +/- 5 vs. 20.5 +/- 5 mm, P < 0.05). The atrial/total TAPDE was increased in patients compared to healthy subjects (47 +/- 13% vs. 38 +/- 7%, P < 0.001) and normalized during the follow-up. Although the patients were asymptomatic after 3 months, the TAPSE recovered incompletely as compared to healthy subjects (21.4 +/- 4 vs. 26 +/- 4 mm, P < 0.001). Both systolic and diastolic RV function are impaired in acute PE. Diastolic function recovers faster than systolic; therefore, the atrial contribution to RV filling may be a useful measure to follow changes in diastolic function in PE. |
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Authors:
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Riikka Rydman; Mårten Söderberg; Flemming Larsen; Kenneth Caidahl; Mahbubul Alam |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-01-22 |
Journal Detail:
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Title: Echocardiography (Mount Kisco, N.Y.) Volume: 27 ISSN: 1540-8175 ISO Abbreviation: Echocardiography Publication Date: 2010 Mar |
Date Detail:
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Created Date: 2010-05-21 Completed Date: 2010-09-20 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8511187 Medline TA: Echocardiography Country: United States |
Other Details:
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Languages: eng Pagination: 286-93 Citation Subset: IM |
Affiliation:
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Section of Clinical Physiology, Department of Molecular Medicine and Surgery, Karolinska University Hospital, SE-171 76 Stockholm, Sweden. riikka.rydman@karolinska.se |
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| MeSH Terms | |
Descriptor/Qualifier:
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Diastole Echocardiography Female Humans Male Middle Aged Pulmonary Embolism / physiopathology*, ultrasonography* Reference Standards Systole Tricuspid Valve / physiopathology, ultrasonography* Ventricular Dysfunction, Right / physiopathology*, ultrasonography* Ventricular Function, Right* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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