ArticleJournal of medical ultrasonics (2001)2012
Impact of transcatheter closure of atrial septal defects on cardiac function.
Article in Journal of medical ultrasonics (2001), 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed, 5 citations in OpenAlex.
- Pimobendan improves right ventricular myocardial contraction and attenuates pulmonary arterial hypertension in rats with monocrotaline-induced pulmonary arterial hypertension.Journal of medical ultrasonics (2001) · 2014Article
- Impact of milrinone on mitral annular velocity in patients with congestive heart failure.Journal of medical ultrasonics (2001) · 2013Article
Corrections and comments
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Authors and funding
4 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeThe purpose of this study was to investigate the effects of transcatheter closure of atrial septal defects (ASD) on left ventricular function.
methodsConventional and three-dimensional echocardiographic methods (3D) were performed in 20 patients who underwent ASD closure. Diastolic and systolic volumes (LVVd and LVVs) and ejection fractions (EF) were determined by 3D methods. Doppler and tissue Doppler indices were also measured before and 1 day after the procedure. We determined the predictors of patients with a mitral early Doppler/tissue Doppler velocity ratio (E/E') ≥8 after closure.
resultsEjection fraction decreased (from 70 ± 8 to 63 ± 8%, p = 0.005) after the procedure because of an equivalent increase in LVVs and LVVd maintaining the same cardiac output. Among the echocardiographic variables before ASD closure that correlated with E/E' after closure, the receiver operating characteristic curve of E' gave the largest area under the curve with E' of 12.2 cm/s as the best predictor of patients with E/E' ≥8 after ASD closure.
conclusionAtrial septal defect closure decreased EF on the surface, thereby maintaining the same stroke volume and cardiac output. Patients with diastolic dysfunction before closure might have a higher risk of developing congestive heart failure after ASD closure.
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