ArticleEchocardiography (Mount Kisco, N.Y.)2022
Peri-operative changes in diastolic function and outcomes in congenital aortic valve surgery.
Article in Echocardiography (Mount Kisco, N.Y.), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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
1 citing paper in PubMed, 2 citations in OpenAlex.
- Peri-operative changes in diastolic function and outcomes in congenital aortic valve surgery.Echocardiography (Mount Kisco, N.Y.) · 2022Article
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Authors and funding
5 authors at 3 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundThe ratio of early diastolic mitral inflow velocity (E) to early diastolic mitral annular tissue velocity (e'), or E/e', is an echocardiographic measure of left ventricular filling pressure. Peri-operative changes in E/e' and association with outcomes have been demonstrated in adults undergoing surgery for aortic stenosis (AS). We sought to explore changes in E/e' and other diastolic indices in the setting of congenital AS surgery and to assess for association with post-operative outcomes among children and young adults.
methodsA retrospective, single-center study was performed among patients 6 months to 30 years of age who underwent congenital AS surgery from 2006 to 2018. Tissue Doppler indices were collected from pre- and post-operative echocardiograms. Post-operative outcomes were reviewed.
resultsSixty-six subjects with subvalvar (45%), valvar (47%), and supravalvar (8%) AS underwent surgery at a median age of 9.5 years (IQR: 4.0-14.8). Pre-operatively, the lateral E/e' ratio was 8.6 (6.7-11.0); 33% had E/e'≥10. Post-operatively, the lateral e' decreased to 9.9 cm/s (8.0-11.4), the E/e' ratio increased to 10.4 (8.3-13.1); and 53% had E/e'≥10 (p-values < 0.0001, 0.0072, and < 0.001, respectively). Pre-operative lateral e' correlated modestly with duration of intubation (ρ = -0.24, p-value 0.048) and post-operative lateral e' correlated modestly with duration of intubation and length of hospital stay (ρ = -0.28 and -0.26, p-values = 0.02 and 0.04, respectively).
conclusionsChildren and young adults who underwent congenital AS surgery had echocardiographic evidence of diastolic dysfunction pre-operatively that worsened post-operatively. Lateral e' may be a sensitive indicator of impaired ventricular relaxation in these patients and may impact duration of intubation and hospital stay.
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