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Electromagnetic Valve Control in Internal Combustion Engines by PID
Published 2024-02-01“…Engines with variable poppet valve timing systems are among numerous efforts that aim to reduce engine emissions and/or increase efficiency. …”
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System Identification of a Servo-Valve Controlled Hydraulic Cylinder Operating Under Variable Load
Published 2025-01-01“…This work presents an in-depth study on the system identification of a servo-valve controlled hydraulic cylinder operating under variable load. …”
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Autonomous dysfunction in young patients with mitral valve prolapse and Marfanoid habitus
Published 2013-02-01“…Aim. To assess autonomous regulation status in young patients with mitral valve prolapse (MVP), Marfanoid habitus (MH), and signs of systemic connective tissue involvement (SCTP). …”
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Effect of pregnancy on bioprosthetic structural valve degeneration
Published 2025-03-01“…Objectives: This study was aimed to determine the effect of pregnancy on the rate of bioprosthetic structural valve degeneration. …”
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Comparison of Valve Academic Research Consortium (VARC)‐2 and VARC‐3 Criteria for Bleeding Complications After Transcatheter Aortic Valve Replacement
Published 2025-08-01“…However, clinical validation of the VARC‐3 bleeding definition is scarce. The aim of this study was to evaluate incidence, associated variables, and clinical impact of VARC‐3 bleeding. …”
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The development of direct 3-dimensional printing of patient-specific mitral valve in soft material for simulation and procedural planningCentral MessagePerspective
Published 2024-10-01“…The aim of this study was to develop a method for a direct 3-dimensional printing of patient-specific mitral valves in soft material for simulation-based training and procedural planning. …”
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Bioprosthetic Aortic Valve Degeneration After TAVR and SAVR: Incidence, Diagnosis, Predictors, and Management
Published 2024-11-01“…The increasing use of bioprosthetic valves in aortic valve replacement in younger patients and the subsequent rise in cases of BAVD are acknowledged in this review which aims to provide a comprehensive overview of the incidence, diagnosis, predictors, and management of BAVD. …”
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Numerical Simulation Studies on the Design of the Prosthetic Heart Valves Belly Curves
Published 2024-09-01“…This study aimed to evaluate the effect of curvature of the belly curve on valve performance, so as to support a better comprehension of the relationship between valve design and its performance. …”
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Tricuspid Valve Regurgitation after Orthotopic Heart Transplantation: Prevalence and Etiology
Published 2012-01-01“…The aims of this study were to determine the prevalence of TR after OHT, to examine the correlation between its development and various variables, and to determine its outcomes. …”
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Long-term magnesium orotate therapy in patients with mitral valve prolapse
Published 2012-06-01“…Aim. To assess the effectiveness of long-term treatment with magnesium orotate (Magnerot®), as a pathogenetic therapy, in patients with mitral valve prolapse (MVP). …”
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Blood coagulation monitoring of patients with mechanical heart valve visiting Imam
Published 2025-01-01“…For this reason, the correct monitoring of INR via the Time in Therapeutic Range (TTR) is needed. The present study aimed to explore the blood coagulation monitoring of patients with mechanical heart valve in Imam Ali Hospital of Kermanshah in 2021. …”
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Posterior Urethral Valves and Fertility: Insight on Paternity Rates and Seminal Parameters
Published 2025-01-01“…Background: Posterior urethral valves (PUVs) represent the most common cause of male congenital lower urinary tract obstruction, often responsible for renal dysplasia and chronic renal failure. …”
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Predicting the Development of Complications After Mitral Valve Repair Using Mathematical Analysis
Published 2024-01-01“…AIM. To study the possibilities of using risk factors, data from instrumental research methods identified at the preoperative stage as independent variables for predicting the development of complications after mitral valve surgery. …”
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Evolution of Untreated Moderate Mitral Regurgitation After Transcatheter Aortic Valve Implantation
Published 2025-04-01“…This study aims to assess the evolution of moderate MR following TAVI. …”
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Impact of a New Preoperative Stratification Based on Cardiac Structural Compromise in Patients with Severe Aortic Stenosis Undergoing Valve Replacement Surgery
Published 2024-10-01“…<b>Introduction and objectives:</b> Aortic valve replacement surgery (SAVR) remains a recommended indication, though its pre-surgical stratification is an ongoing challenge. …”
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Cardiopulmonary exercise testing in aortic stenosis patients before and after aortic valve replacement
Published 2024-11-01“…Since exercise testing in patients with symptomatic AS is not advised, submaximal parameters could be of special interest. We aimed to investigate maximal and submaximal physical capacity by CPET before and 1 year after surgical aortic valve replacement (sAVR) in patients with severe AS.Methods In this prospective longitudinal study, 30 adult patients (age 66±10 years) with severe AS referred for sAVR underwent maximal CPET (respiratory exchange ratio ≥1.05) on a bicycle ergometer before (PRE) and 1 year after (POST) sAVR. …”
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Predictors of successful pulmonary valve-sparing repair in pediatric humanitarian patients with Tetralogy of Fallot
Published 2025-05-01“…Abstract Introduction The optimal surgical approach for right ventricular outflow tract obstruction in Tetralogy of Fallot aims to preserve the native pulmonary valve annulus, as this is associated with better long-term outcomes. …”
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Characteristic calcification behavior of five surgical aortic valve bioprostheses models: An in vitro study
Published 2024-08-01“…Abstract Background and Aims The durability of surgical aortic valve bioprostheses (SAV) is limited by the calcification of the leaflets, which results in degeneration. …”
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Risk factors and prognosis of silent cerebral infarction after transcatheter aortic valve replacement
Published 2025-04-01“…Abstract The Valve Academic Research Consortium (VARC)-3 definition of silent cerebral infarction among neurologic events after transcatheter aortic valve replacement (TAVR) lacks clinical validation, yet its impact on postoperative in-hospital outcomes and long-term prognosis remains uncertain. …”
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Design of Electronic Expanded Valve (EEV) Control System Based On the STC89S52 Microcontroller
Published 2013-01-01“…Aiming at the control problems of evaporator superheating in the household Variable frequency air conditioner, the Electronic Expanded Valve (EEV) control system was investigated based on a dead band integral-separation PID control algorithm and the STC89S52 single-chip microcontroller as the control core. …”
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