Evidence map›Paper›PMID 40722468›Full record

ArticleBioengineering (Basel, Switzerland)2025

Flow Characteristics by Blood Speckle Imaging in Non-Stenotic Congenital Aortic Root Disease Surrounding Valve-Preserving Operations.

Shihao Liu, Justin T Tretter, Lama Dakik, Hani K Najm, Debkalpa Goswami, Jennifer K Ryan, Elias Sundström

Abstract read
In one paragraph

Article in Bioengineering (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Shihao LiuDepartment of Mathematics, KTH Royal Institute of Technology, 114 28 Stockholm, Sweden.
Justin T TretterCongenital Valve Procedural Planning Program, Department of Pediatric Cardiology and Division of Pediatric Cardiac Surgery, The Heart, Vascular, and Thoracic Institute, Cleveland Clinic, Cleveland, OH 44195, USA.ORCID 0000-0001-8926-3752
Lama DakikCongenital Valve Procedural Planning Program, Department of Pediatric Cardiology and Division of Pediatric Cardiac Surgery, The Heart, Vascular, and Thoracic Institute, Cleveland Clinic, Cleveland, OH 44195, USA.
Hani K NajmDepartment of Pediatric Cardiology, Cleveland Clinic, Cleveland, OH 44195, USA.
Debkalpa GoswamiCardiovascular Innovation Research Center, Department of Cardiovascular Medicine, The Heart, Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, OH 44195, USA.ORCID 0000-0002-6698-0027
Jennifer K RyanDepartment of Mathematics, KTH Royal Institute of Technology, 114 28 Stockholm, Sweden.ORCID 0000-0002-6252-8199
Elias SundströmDepartment of Engineering Mechanics, FLOW Research Center, KTH Royal Institute of Technology, 100 44 Stockholm, Sweden.ORCID 0000-0002-0543-5148

Funding

Swedish Research Council grant number 2021-04894
6 · The paper itself

Abstract

Contemporary evaluation and surgical approaches in congenital aortic valve disease have yielded limited success. The ability to evaluate and understand detailed flow characteristics surrounding surgical repair may be beneficial. This study explores the feasibility and utility of echocardiographic-based blood speckle imaging (BSI) in assessing pre- and post-operative flow characteristics in those with non-stenotic congenital aortic root disease undergoing aortic valve repair or valve-sparing root replacement (VSRR) surgery. Transesophageal echocardiogram was performed during the pre-operative and post-operative assessment surrounding aortic surgery for ten patients with non-stenotic congenital aortic root disease. BSI, utilizing block-matching algorithms, enabled detailed visualization and quantification of flow parameters from the echocardiographic data. Post-operative BSI unveiled enhanced hemodynamic patterns, characterized by quantified changes suggestive of the absence of stenosis and no more than trivial regurgitation. Rectification of an asymmetric jet and the reversal of flow on the posterior aspect of the ascending aorta resulted in a reduced oscillatory shear index (OSI) of 0.0543±0.0207 (pre-op) vs. 0.0275±0.0159 (post-op) and p=0.0044, increased peak wall shear stress of 1.9423±0.6974 (pre-op) vs. 3.6956±1.4934 (post-op) and p=0.0035, and increased time-averaged wall shear stress of 0.6885±0.8004 (pre-op) vs. 0.8312±0.303 (post-op) and p=0.23. This correction potentially attenuates cellular alterations within the endothelium. This study demonstrates that children and young adults with non-stenotic congenital aortic root disease undergoing valve-preserving operations experience significant improvements in flow dynamics within the left ventricular outflow tract and aortic root, accompanied by a reduction in OSI. These hemodynamic enhancements extend beyond the conventional echocardiographic assessments, offering immediate and valuable insights into the efficacy of surgical interventions.

Indexed as

aortic regurgitationaortic valve repairaortic valve-sparing root replacementblood speckle imagingcongenital heart diseasehemodynamics

Identifiers

PMID40722468
PMCPMC12292923

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.