Results 61 to 70 of about 122,838 (298)

Dynamic Echocardiographic Imaging of a Valve-in-Valve Mitral Prosthesis

Case Reports in Radiology, 2022
Dynamic imaging of heart valves and specifically prosthetic valves is a central benefit of echocardiography. Most bioprosthetic heart valves degenerate over a given time and hence require repeat valve replacement which carries a significant risk of ...
Bishoy Wassef, Mina Masry, Mounir Ghali, John N. Makaryus, Amgad N. Makaryus   +4 more
doaj   +1 more source

Recent Advances in Variable‐Stiffness Robotic Systems Enabled by Phase‐Change Materials

Advanced Robotics Research, EarlyView.
Phase‐change materials (PCMs), such as shape memory alloys, hydrogels, shape memory polymers, liquid crystal elastomers, and low‐melting‐point alloys, are driving advancements in stiffness‐tunable robotic systems across a wide range of applications. This review highlights recent progress in PCM‐enabled robotics, focusing on their underlying mechanisms,
Sukrit Gaira, Liao Wu, Ming Li, Priyank Kumar, Xiaopeng Li, Shi‐Yang Tang   +5 more
wiley   +1 more source

Emergently Alteration of Procedural Strategy During Transcatheter Aortic Valve Replacement to Prevent Coronary Occlusion: A Case Report

Frontiers in Cardiovascular Medicine, 2022
BackgroundCoronary occlusion is an uncommon but fatal complication of transcatheter aortic valve replacement (TAVR) with a poor prognosis.Case PresentationA patient with symptomatic severe bicuspid aortic valve stenosis was admitted to a high-volume ...
Hanyi Dai, Hanyi Dai, Dao Zhou, Dao Zhou, Jiaqi Fan, Lihan Wang, Abuduwufuer Yidilisi, Abuduwufuer Yidilisi, Gangjie Zhu, Gangjie Zhu, Jubo Jiang, Huajun Li, Xianbao Liu, Xianbao Liu, Jian’an Wang, Jian’an Wang   +15 more
doaj   +1 more source

Heart valve replacement with the Sorin tilting-disc prosthesis

The Journal of Thoracic and Cardiovascular Surgery, 1992
From 1978 to 1988, 697 patients with a mean age of 48 +/- 11 years (range 5 to 75 years) received a Sorin tilting-disc prosthesis; 358 had had aortic valve replacement, 247 mitral valve replacement, and 92 mitral and aortic valve replacement. Operative mortality rates were 7.8%, 11.3%, and 10.8%, respectively, in the three groups.
MILANO A, BORTOLOTTI U, MAZZUCCO A, MOSSUTO E, TESTOLIN L, THIENE, GAETANO, GALLUCCI V.   +6 more
openaire   +7 more sources

Toward Wireless Implantable Robotic Systems Driven by Magnetic Field for Personalized Therapy

Advanced Robotics Research, EarlyView.
Robotic materials are playing an increasingly vital role in enabling sensing and actuation at small scales. This perspective highlights recent advances in magnetic materials and magnetically actuated devices for wireless sensing, actuation, and energy harvesting toward implantable robotic systems for closed‐loop therapy.
Yusheng Wang, Ruijian Ge, Xiaoguang Dong
wiley   +1 more source

Various clinical factors’ influence on long-term results of valve prosthetic surgery in heart valve disease

Кардиоваскулярная терапия и профилактика, 2005
Aim. To assess factors influencing the long-term results of valve prosthetic surgery in heart valve disease. Material and methods. In total, 310 patients with heart valve surgery in anamnesis were examined: 168 females (54%), 142 males (46%); mean age 54.
L. I. Murzabekova, V. A. Orlov
doaj  

Bioprosthetic Aortic Valve Replacement in <50 Years Old Patients – Where is the Evidence?

Brazilian Journal of Cardiovascular Surgery, 2019
Aortic valve disease is one of the most common valvular heart diseases in the cardiovascular category. Surgical replacement of the diseased aortic valve remains the definitive intervention for most diseases.
Amer Harky, Michael Man Yuen Suen, Chris Ho Ming Wong, Abdul Rahman Maaliki, Mohamad Bashir   +4 more
doaj   +1 more source

Artificial Nervous Systems

Advanced Science, EarlyView.
By drawing inspiration from biological neural hierarchies and the working mechanisms of plasticity, researchers have constructed a series of bionic devices, including sensory devices, synapse devices, and artificial neural systems. They committed to simulating and surpassing the biological information processing function, thereby realizing the ...
Lu Yang, Qingwen Cheng, Yue Li, Ning Wu, Zhipeng Xu, Wentao Xu   +5 more
wiley   +1 more source

Impact of Prosthesis‐Patient Mismatch After Surgical Aortic Valve Replacement: Systematic Review and Meta‐Analysis of Reconstructed Time‐to‐Event Data of 122 989 Patients With 592 952 Patient‐Years

Journal of the American Heart Association : Cardiovascular and Cerebrovascular Disease
Background It remains controversial whether prosthesis‐patient mismatch (PPM) impacts long‐term outcomes after surgical aortic valve replacement.
M. P. Sá, X. Jacquemyn, Jef Van den Eynde, Danny Chu, D. Serna-Gallegos, T. Ebels, M. Clavel, Philippe Pibarot, Ibrahim S Sultan   +8 more
semanticscholar   +1 more source

Smart Transfemoral Prosthetic Socket with Motorized Cable‐Driven System

Advanced Intelligent Systems, EarlyView.
This study presents an innovative transfemoral socket featuring a motorized cable‐driven system and a sensorized liner, designed to adapt to changes in residual limb volume while monitoring interface pressures. Users can seamlessly control the socket in both open‐ and closed‐loop modes via a customized mobile application, enhancing comfort and ...
Linda Paternò, Ahmed Zohaib Zaidi, Maria Grazia Polizzotto, Sofia Dalmiani, Djoeke Helsloot, Sybren Heikens, Emanuele Gruppioni, Arianna Menciassi   +7 more
wiley   +1 more source