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Left ventricular assist devices (LVADs) are mechanical pumps, which can be used to support heart failure (HF) patients as bridge to transplant and destination therapy. To automatically adjust the LVAD speed, a physiological control system…

Systems and Control · Electrical Eng. & Systems 2021-05-04 Masoud Fetanat , Michael Stevens , Christopher Hayward , Nigel H. Lovell

The left ventricular assist device (LVAD) has been used for end-stage heart failure patients as a therapeutic option. The aortic valve plays a critical role in heart failure and its treatment with LVAD. The cardiovascular-LVAD model is…

Tissues and Organs · Quantitative Biology 2018-12-19 Jeongeun Son , Dongping Du , Yuncheng Du

Mean arterial blood pressure (MAP) dynamics estimation and its automated regulation could benefit the clinical and emergency resuscitation of critical patients. In order to address the variability and complexity of the MAP response of a…

Systems and Control · Electrical Eng. & Systems 2020-07-09 Shahin Tasoujian , Saeed Salavati , Matthew Franchek , Karolos Grigoriadis

This paper presents a delay-dependent parameter-varying control design approach to address the automated blood pressure regulation problem in the critical patient resuscitation using closed-loop administration of vasopressors. The mean…

Systems and Control · Electrical Eng. & Systems 2019-10-03 Shahin Tasoujian , Karolos Grigoriadis , Matthew Franchek

Left ventricular diastolic dysfunction (LVDD) is a group of diseases that adversely affect the passive phase of the cardiac cycle and can lead to heart failure. While left ventricular end-diastolic pressure (LVEDP) is a valuable prognostic…

Tissues and Organs · Quantitative Biology 2025-01-23 Emilio A. Mendiola , Raza Rana Mehdi , Dipan J. Shah , Reza Avazmohammadi

Left ventricular assist devices (LVADs) are surgically implanted mechanical pumps that improve survival rates for individuals with advanced heart failure. While life-saving, LVAD therapy is also associated with high morbidity, which can be…

Signal Processing · Electrical Eng. & Systems 2020-02-28 Xinlin J. Chen , Emma T. LaPorte , Leslie M. Collins , Priyesh Patel , Ravi Karra , Boyla O. Mainsah

Sufferers of heart failure disease have a life expectancy of one year and heart transplantation is usually the only guarantee of survival beyond this period. The number of donor hearts available currently is less than 3,000 per annum…

Quantitative Methods · Quantitative Biology 2014-05-13 Mohsen A. Bakouri

Closed loop anesthesia delivery (CLAD) systems can help anesthesiologists efficiently achieve and maintain desired anesthetic depth over an extended period of time. A typical CLAD system would use an anesthetic marker, calculated from…

Quantitative Methods · Quantitative Biology 2020-07-14 Sourish Chakravarty , Ayan S. Waite , John H. Abel , Emery N. Brown

Left ventricular assist devices (LVADs) are used to provide haemodynamic support to patients with critical cardiac failure. Severe complications can occur because of the modifications of the blood flow in the aortic region. In this work,…

Medical therapy for patients with severe heart disease often relies on left ventricular assist devices (LVADs). It is an ongoing topic of research how complications like stagnation and thrombosis can be prevented by using artificial…

Fluid Dynamics · Physics 2025-03-31 Maximilian R. Schuster , Nico Dirkes , Fabian Key , Stefanie Elgeti , Marek Behr

Percutaneous catheter pumps are intraventricular temporary mechanical circulatory support (MCS) devices that are positioned across the aortic valve into the left ventricle (LV) and provide continuous antegrade blood flow from the LV into…

Medical Physics · Physics 2023-12-11 Greg W. Burgreen , Mansur Zhussupbekov , Rodrigo Méndez Rojano , James F. Antaki

Fontan patients often develop circulatory failure and are in desperate need of a therapeutic solution. A blood pump surgically placed in the cavopulmonary pathway can substitute the function of the absent sub-pulmonary ventricle by…

Tissues and Organs · Quantitative Biology 2019-04-19 Masoud Farahmand , Minoo N. Kavarana , Ethan O. Kung

A blood turbine-pump system (iATVA), resembling a turbocharger was proposed as a mechanical right-heart assist device without external drive power. In this study, the iATVA system is investigated with particular emphasis on the blood…

Fluid Dynamics · Physics 2024-04-17 Kagan Ucak , Faruk Karatas , Emre Cetinkaya , Kerem Pekkan

Background. Despite the routine prescription of rate control therapy for atrial fibrillation (AF), clinical evidence demonstrating a heart rate target is lacking. Aim of the present study was to run a mathematical model simulating AF…

This paper proposes Mode-Aware Probabilistic Scheduling (MAPS), a novel adaptive control framework tailored for DC motor systems experiencing varying friction. MAPS uniquely integrates an Interacting Multiple Model (IMM) estimator with a…

Systems and Control · Electrical Eng. & Systems 2025-11-07 Taehun Kim , Guntae Kim , Cheolmin Jeong , Chang Mook Kang

Resuscitative thoracotomy, a high-risk procedure involving open heart massage, serves as a last resort for life-threatening conditions like penetrating chest wounds, severe blunt trauma, or surgery-related cardiac arrest. However, its…

Left ventricular assist devices (LVADs) are an increasingly common therapy for patients with advanced heart failure. However, implantation of the LVAD increases the risk of stroke, infection, bleeding, and other serious adverse events…

Ventricular Fibrillation is a disorganized electrical excitation of the heart that results in inadequate blood flow to the body. It usually ends in death within seconds. The most common way to treat the symptoms of fibrillation is to…

Systems and Control · Computer Science 2015-12-29 Houssam Abbas , Kuk Jin Jang , Zhihao Jiang , Rahul Mangharam

Predicting cardiac indices has long been a focal point in the medical imaging community. While various deep learning models have demonstrated success in quantifying cardiac indices, they remain susceptible to mild input perturbations, e.g.,…

Image and Video Processing · Electrical Eng. & Systems 2024-07-03 Xiangyang Zhu , Kede Ma , Wufeng Xue

This Artificial left ventricle is based on a simple conic assumption shape for left ventricle where its motion is made by attached compressed elastic tubes to its walls which are regarded to electrical points at each nodal .This compressed…

Medical Physics · Physics 2014-08-05 Saeed Ranjbar , Tohid Emami Meybodi , Mahmood Emami Meybodi
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