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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3741820 | PMC |
| http://dx.doi.org/10.3978/j.issn.2225-319X.2013.01.15 | DOI Listing |
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Numerical simulation of fluid-structure interaction analysis for the performance of leaflet reimplantation with different types of artificial graft.
Comput Methods Programs Biomed
January 2025
College of Chemistry and Life Science, Beijing University of Technology, Beijing 100124, China; Beijing International Science and Technology Cooperation Base for Intelligent Physiological Measurement and Clinical Transformation, Beijing 100124, China. Electronic address:
Background And Objective: In clinical practice, valve-sparing aortic root replacement surgery primarily addresses left ventricular dysfunction in patients due to severe aortic regurgitation, but there is controversy regarding the choice of surgical technique. In order to investigate which type of valve-sparing aortic root replacement surgeries can achieve better blood flow conditions, this study examines the impact of changes in the geometric morphology of the aortic root on the hemodynamic environment through numerical simulation.
Methods: An idealized model of the aortic root was established based on data obtained from clinical measurements, including using the model of the aortic root without significant lesions as the control group (Model C), while using surgical models of leaflet reimplantation with tubular graft (Model T), leaflet reimplantation with Valsalva graft (Model V), and the Florida sleeve procedure (Model F) as the experimental groups.
Transcatheter aortic valve replacement for aortic regurgitation following valve sparing root replacement: a case series.
Eur Heart J Case Rep
January 2025
Institute of Cardiovascular Sciences, University of Birmingham, Birmingham B15 2TT, UK.
Background: Valve sparing aortic root replacement (VSARR) is a treatment for aortic root dilatation and aortic regurgitation (AR), which preserves the aortic valve. However, AR may recur, and redo surgery often carries high risk. Transcatheter aortic valve replacement (TAVR) can be performed but there is a paucity of literature to guide procedural planning.
View Article and Find Full Text PDFValve Sparing Aortic Root Replacement in the Resternotomy Setting.
J Thorac Cardiovasc Surg
January 2025
Columbia University Irving Medical Center, New York, NY. Electronic address:
Objectives: While valve-sparing aortic root replacement (VSRR) has demonstrated satisfactory outcomes, its utility in a reoperative sternotomy setting remains uncertain. This study evaluates the perioperative safety and long-term durability of reoperative sternotomy VSRR.
Methods: All consecutive VSRR at two centers from 2005-2020 were included.
Aortopathy in repaired tetralogy of Fallot and David procedure.
Cardiovasc Diagn Ther
December 2024
Department of Cardiology, St. Luke's International Hospital, Tokyo, Japan.
Tetralogy of Fallot (TOF) is a condition that often leads to long-term enlargement of the aortic root in after surgery. The aortic dilation is believed to be caused by histological abnormalities of the aortic media and the hemodynamic characteristics of increased aortic flow, compared to pulmonary flow. Severe cyanosis, severe right ventricular outflow tract (RVOT) obstruction, older age at repair, a larger aortic size at the time of repair, and a history of an aortopulmonary shunt parameters related to long-standing volume overload of the aortic root were the reported risk factors.
View Article and Find Full Text PDFMultimodal analgesia with parasternal plane block protocol within an enhanced recovery after cardiac surgery program decreases opioid use.
JTCVS Open
December 2024
Department of Cardiac Surgery, Hôpitaux Universitaires de Strasbourg, Nouvel Hôpital Civil, Strasbourg, France.
Objective: This study investigated the efficacy of a multimodal analgesia (MMA) with an opioid-sparing strategy, incorporating a parasternal plane block (PPB) within a systematic standardized Enhanced Recovery After Surgery (ERAS) program for patients undergoing elective cardiac surgery.
Methods: From 2015 to 2021, 3153 patients underwent elective coronary artery bypass grafting and/or valve procedures. Patients were dichotomized by the presence or absence of an ERAS program including a perioperative MMA with an opioid-sparing approach and PPB protocols.
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