Results 71 to 80 of about 12,436 (203)

Mono‐ and Bivalent Poly(iso‐butylene)‐Alanines for Drug‐Delivery of Nimodipine and Triamcinolone Acetonide

Macromolecular Rapid Communications, EarlyView.
Mono‐ and bivalent‐, alanine‐modified poly‐iso‐butylenes, folding into beta‐sheets, were prepared by living carbocationic polymerization and subsequent endgroup modification. These PIB‐conjugates are useful as solid polymers for the drug release of triamcinolone and nimodipine. ABSTRACT Poly‐iso‐butylene (PIB) is a well known biocompatible polymer with
Philipp S. Hilgeroth, Julius F. Butter, Wolfgang H. Binder   +2 more
wiley   +1 more source

Characterization of Enhanced UHMWPE‐Hap Composites Manufactured by Hot Pressing

Polymer Composites, EarlyView.
Illustration of the production and examination of prepared composite samples. ABSTRACT In the present study, a hip joint cup/liner material has been developed using ultra high molecular weight polyethylene (UHMWPE) matrix material which is reinforced by hydroxyapatite (HAp) particles with the 0.5, 1, 2, and 4 wt.% using mechanical activation followed ...
Gözde Çelebİ Efe, Tuba Yener, Merve Seda Zor, Serbülent Türk, Cuma Bİndal   +4 more
wiley   +1 more source

Engineering stimuli‐responsive shape‐morphing through high‐resolution 4D printing

Responsive Materials, EarlyView.
This review summarizes recent progress in high‐resolution 4D printing with smart materials and micro/nanoscale techniques. It covers actuation strategies, key applications, and future challenges for scalable, precise shape‐morphing systems. Abstract 4D printing extends conventional additive manufacturing (AM) by enabling dynamic shape‐morphing ...
Shuheng Li, Ming Gao, Wenwan Shi, Xiaolu Sun, Yuning Zhou, Lihao Liu, Ji Qiu, Xiaoxiang Gao, Jing Sun, Xiaojiang Liu, Zhongze Gu   +10 more
wiley   +1 more source

Transcatheter aortic valve implantation with the new-generation Evolut R™

International Journal of Cardiology: Heart & Vasculature, 2016
Background: The Medtronic Evolut R (EVR) is a novel transcatheter heart valve designed to allow precise implantation at the intended position and to minimize prosthesis dysfunction as well as procedural complications.
Eberhard Schulz, Alexander Jabs, Tommaso Gori, Stephan von Bardeleben, Ulrich Hink, Walter Kasper-König, Christian Friedrich Vahl, Thomas Münzel   +7 more
doaj   +1 more source

Transcatheter vs surgical aortic valve replacement for bicuspid aortic valve disease

Surgical Practice, EarlyView.
Abstract Background Transcatheter aortic valve replacement (TAVR) has emerged as an acceptable and often preferred alternative to surgical aortic valve replacement (SAVR) for patients with severe aortic stenosis. However, the mid‐ and long‐term efficacy of TAVR in patients with bicuspid aortic valves (BAVs) remains unclear.
Divyaam Satija, Asvin M. Ganapathi, Rachel E. Wolf, Victor Heh, Scott Lilly, Konstantinos Dean Boudoulas, Nancy Matre, Bryan A. Whitson, John Bozinovski, Nahush A. Mokadam, Matthew C. Henn   +10 more
wiley   +1 more source

Impact of Frailty in Patients With Continuous‐Flow Left Ventricular Assist Device Therapy in End‐Stage Heart Failure: A Systematic Review and Meta‐Analysis

Artificial Organs, EarlyView.
Frailty significantly impacts clinical outcomes in LVAD recipients. This systematic review and meta‐analysis reveal that frail patients experience higher long‐term mortality but comparable short‐term mortality, hospital stay, and complication rates to non‐frail patients.
Christos Costa, Arian Arjomandi Rad, Yi Ting Yu, Nithiananthan Mayooran, Andrew Xanthopoulos, Marinos Koulouroudias, Robert Vardanyan, Gustavo Antonio Guida, Lydia Wilkinson, Jan Schmitto, Arjang Ruhparwar, Alina Zubarevich, Alexander Weymann, Peyman Sardari Nia, Antonios Kourliouros, Thanos Athanasiou   +15 more
wiley   +1 more source

Influence of Preoperative Anatomical Characteristics on the Direction of Inflow Cannula in HeartMate 3

Artificial Organs, EarlyView.
The IC direction in HM3 was influenced by the mitral valve height from the LV apex, distance between the LV apex and chest wall, and thoracic depth from the LV apex. Moreover, the IC direction in HM3 had little influence on the flow, PAWP and the survival rate of patients.
Shusuke Imaoka, Daisuke Yoshioka, Shunsuke Saito, Takuji Kawamura, Ai Kawamura, Ryohei Matsuura, Yusuke Misumi, Koichi Toda, Shigeru Miyagawa   +8 more
wiley   +1 more source

Management of giant left atrial thrombus late after transcatheter mitral valve-in-ring replacement using a transcatheter aortic valve: a case report

BMC Cardiovascular Disorders
Background In symptomatic high-risk patients with severe mitral valve regurgitation (MR), who are not eligible for surgery, Transcatheter edge-to-edge repair (TEER) or transcatheter mitral valve replacement (TMVR) may be an option, especially when ...
A. Maloku, A. Hamadanchi, L. Bäz, M. Richter, S. Bargenda, S. Möbius-Winkler, P. C. Schulze, Marcus Franz   +7 more
doaj   +1 more source

Physiological Control of Realheart Total Artificial Heart

Artificial Organs, EarlyView.
This study evaluates the Realheart Total Artificial Heart's preload‐based physiological controller, which dynamically adjusts heart rate and stroke volume to mimic the heart's natural responses during sleep, rest, and exercise using a hybrid mock circulation loop of the cardiovascular system.
Emanuele Perra, Daniel Jonasson, Shaikh Faisal Zaman, Nils Brynedal Ignell, Michael Broomé, Thomas Finocchiaro, Ina Laura Perkins, Seraina Anne Dual   +7 more
wiley   +1 more source

Transcatheter aortic valve‐in‐valve implantation of a corevalve in a degenerated stenotic sapien heart valve prosthesis [PDF]

, 2012
Rainer Hoffmann, Helge Möllmann, Shahram Lotfi   +2 more
openalex   +1 more source