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12 Results Found

  • Article
  • Open Access
16 Citations
5,580 Views
12 Pages

Effect of Edge-to-Edge Mitral Valve Repair on Chordal Strain: Fluid-Structure Interaction Simulations

  • Milan Toma,
  • Daniel R. Einstein,
  • Keshav Kohli,
  • Sheridan L. Caroll,
  • Charles H. Bloodworth,
  • Richard P. Cochran,
  • Karyn S. Kunzelman and
  • Ajit P. Yoganathan

18 July 2020

Edge-to-edge repair for mitral valve regurgitation is being increasingly performed in high-surgical risk patients using minimally invasive mitral clipping devices. Known procedural complications include chordal rupture and mitral leaflet perforation....

  • Technical Note
  • Open Access
10 Citations
3,785 Views
7 Pages

Addressing Discrepancies between Experimental and Computational Procedures

  • Milan Toma,
  • Satvinder K. Guru,
  • Wayne Wu,
  • May Ali and
  • Chi Wei Ong

15 June 2021

Imaging subject-specific heart valve, a crucial step to its design, has experimental variables that if unaccounted for, may lead to erroneous computational analysis and geometric errors of the resulting model. Preparation methods are developed to mit...

  • Article
  • Open Access
1,145 Views
25 Pages

24 December 2024

An algebraic graph is defined in terms of graph theory as a graph with related algebraic structures or characteristics. If the vertex set of a graph G is a group, a ring, or a field, then G is called an algebraic structure graph. This work uses an al...

  • Article
  • Open Access
4 Citations
5,638 Views
23 Pages

25 January 2017

The algorithm MLS (Maximal Label Search) is a graph search algorithm that generalizes the algorithms Maximum Cardinality Search (MCS), Lexicographic Breadth-First Search (LexBFS), Lexicographic Depth-First Search (LexDFS) and Maximal Neighborhood Sea...

  • Article
  • Open Access
14 Citations
2,779 Views
16 Pages

Numerical Analysis of the Influence of Different Flow Patterns on Power and Reactant Transmission in Tubular-Shaped PEMFC

  • Lei Yuan,
  • Zunlong Jin,
  • Penghui Yang,
  • Youchen Yang,
  • Dingbiao Wang and
  • Xiaotang Chen

10 April 2021

The influence of a tubular structure PEMFC (proton exchange membrane fuel cell) with different flow patterns is investigated in this study. A complete 3D non-isothermal model is constructed for square and circular tubular PEMFCs, and the distribution...

  • Article
  • Open Access
1,578 Views
20 Pages

2 September 2024

The chordal ring (CR) graphs are a well-known family of graphs used to model some interconnection networks for computer systems in which all nodes are in a cycle. Generalizing the CR graphs, in this paper, we introduce the families of chordal multi-r...

  • Article
  • Open Access
8 Citations
2,610 Views
22 Pages

12 December 2022

Food classification is an important part of food safety standards. In this paper, we propose a novel visual comparative analysis method for food classification trees (FCTs) in pesticide maximum residue limit (MRL) standards, called TreeMerge, to lay...

  • Article
  • Open Access
10 Citations
2,714 Views
17 Pages

14 September 2024

Precisely determining how cables distribute their current-carrying capacity and temperature field is crucial for the dependable and cost-effective functioning of power grids. Firstly, the power cable structure and the advantages and disadvantages of...

  • Article
  • Open Access
8 Citations
2,859 Views
9 Pages

Transaortic Shallow Septal Myectomy and Cutting of Secondary Fibrotic Mitral Valve Chordae—A 5-Year Single-Center Experience in the Treatment of Hypertrophic Obstructive Cardiomyopathy

  • Lucian Florin Dorobantu,
  • Toma Andrei Iosifescu,
  • Razvan Ticulescu,
  • Maria Greavu,
  • Maria Alexandrescu,
  • Andrei Dermengiu,
  • Miruna Mihaela Micheu and
  • Monica Trofin

30 May 2022

Background: Anomalies of the mitral apparatus have been shown to contribute to left ventricular outflow obstruction in patients with hypertrophic cardiomyopathy (HCM). We report our 5-year single-center experience with a shallow myectomy procedure as...

  • Article
  • Open Access
2 Citations
2,424 Views
19 Pages

15 November 2024

Yunnan Dendrocalamus sinicus Chia et J. L. Sun (YDS) is a giant bamboo species with a diameter at breast height of up to nearly 40 cm. It is endemic to Yunnan, China, and only a very small portion of it is directly used as load-bearing beams and colu...

  • Case Report
  • Open Access
226 Views
3 Pages

Delayed Intervention’s Impact on Transcatheter Mitral Valve Implantation Strategy

  • Ion Vasiloi,
  • Thomas Nestelberger,
  • Beat A. Kaufmann,
  • Fabien Praz and
  • Oliver T. Reuthebuch

Transcatheter mitral valve implantation (TMVI) is used for treating severe mitral valve regurgitation in patients deemed unsuitable for open-heart surgery. However, delays between preoperative workup and therapy can lead to changes in the clinical co...

  • Article
  • Open Access
1 Citations
605 Views
18 Pages

A Pipeline Hoop Stress Measurement Method Based on Propagation Path Correction of LCR Waves

  • Bing Chen,
  • Binbin Wang,
  • Feifei Qiu,
  • Chunlang Luo,
  • Jiakai Chen and
  • Guoqing Gou

24 September 2025

Pipelines are extensively used in offshore equipment. Accurate and non-destructive measurement of hoop stress conditions within pipes is critical for ensuring the integrity of offshore structures. However, the existing technology to measure the hoop...