ArticleThe Journal of thoracic and cardiovascular surgery2019
Ventricular interactions and electromechanical dyssynchrony after Ross and Ross-Konno operations.
Article in The Journal of thoracic and cardiovascular surgery, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Konno aortic valve replacement in adults: Enabling larger prosthetic valve implantation and adequate aortic root enlargement for coronary clearance.JTCVS techniques · 2026Article
- Posterior aortoventricular enlargement of root and outflow tract: Early and mid-term results.JTCVS techniques · 2026Article
- Mid- and Late-term Left Ventricular Diastolic Function After the Ross Procedure.Pediatric cardiology · 2025Article
- Article
- Late Outcomes of Konno-Rastan and Modified Konno for Left Ventricular Outflow Tract Obstruction.The Annals of thoracic surgery · 2024Article
- The Ross-Konno procedure for congenital aortic stenosis.Annals of cardiothoracic surgery · 2021Article
- Cardiovascular disease in young People with Type 1 Diabetes: Search for Cardiovascular Biomarkers.Journal of diabetes and its complications · 2020Review
- Frequency of Reduced Left Ventricular Contractile Efficiency and Discoordinated Myocardial Relaxation in Patients Aged 16 to 21 Years With Type 1 Diabetes Mellitus (from the Emerald Study).The American journal of cardiology · 2020Article
- Subclinical myocardial dysfunction and dyssynchrony after Ross or Ross-Konno procedure.Translational pediatrics · 2020Article
- Increased systolic vorticity in the left ventricular outflow tract is associated with abnormal aortic flow formations in Tetralogy of Fallot.The international journal of cardiovascular imaging · 2020Article
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7 authors.
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No grant is acknowledged in the PubMed record.
Abstract
objectivesRoss and Ross-Konno operations are associated with the inherent risk of residual ventricular septal dysfunction and injury to the conduction system. However, comprehensive biventricular functional outcomes on magnetic resonance imaging after Ross and Ross-Konno procedures are unknown. The purpose of this study was to evaluate and compare the degree of electrical and mechanical dyssynchrony using cardiac magnetic resonance imaging in patients late after Ross and Ross-Konno operations.
methodsPatients following Ross operation (n = 16), Ross-Konno operation (n = 13), and healthy controls (n = 12) underwent cardiac magnetic resonance imaging strain deformation analysis to quantify left ventricular (LV) intraventricular dyssynchrony and right ventricular (RV)-LV interventricular dyssynchrony. Mechanical dyssynchrony indices were correlated with the degree of electrical dyssynchrony as assessed by QRS duration, as well as with magnetic resonance imaging-derived biventricular and autograft regurgitation parameters.
resultsPatients in the Ross and Ross-Konno groups had reduced LV global longitudinal strain when compared with controls (both P values < .01). Both Ross (P < .05) and Ross-Konno (P < .01) groups demonstrated increased RV-LV interventricular dyssynchrony compared with controls. Patients in the Ross-Konno group also had increased septal LV intraventricular dyssynchrony when compared with control and Ross groups (both P values < .01). The global LV intramechanical dyssynchrony strongly correlated with QRS duration (R = 0.716; P < .001). There was no association between mechanical dyssynchrony and aortic regurgitation fraction.
conclusionsLong-term follow-up of patients who underwent Ross and Ross-Konno operations demonstrates reduced LV global longitudinal strain suggestive of chronically increased afterload independent of autograft function. Additionally, Ross-Konno operation is associated with impaired LV intraventricular mechanics and electrical dyssynchrony.
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