Results 61 to 70 of about 131,212 (218)

Videoassisted mitral valve replacement

Revista Cubana de Cardiología y Cirugía Cardiovascular, 2012
The surgery of the mitral valve has been a great challenge since the beginnings of the cardiovascular surgery, the surgical options to board this valverange from percutaneous methods to dilate it, till the substitution for a prosthetic heart valve ...
Alexander Candeaux, Antonio de Arazoza Hernández, Aylen Pérez Barreda, Fausto Rodríguez Salgueiro, Osvaldo Valdés Dupeirón, Miguel Ángel Carrasco Molina   +5 more
doaj  

Gradient‐Conductivity Architecture Enables Synchronous Enhancement of Sensitivity and Detection Range in Multifunctional All‐Paper Sensors

Advanced Functional Materials, EarlyView.
A gradient‐engineered all‐paper sensor is fabricated by integrating MXene and in situ grown AgNPs within hierarchical cellulose networks. The device breaks the sensitivity–detection range trade‐off through cascaded conductive pathways, enabling ultrahigh pressure sensitivity, humidity–pressure decoupled dual‐mode sensing, and outstanding EMI shielding,
Ao Li, Jun Xu, Dezhong Xu, Zhaohui Zhang, Jiyi Li, Daxian Cao, Kefu Chen, Mizi Fan   +7 more
wiley   +1 more source

Microscale Patterning of Ultrahigh‐Viscosity Metallic‐Polymer Composites via Embedded Droplet Writing

Advanced Functional Materials, EarlyView.
A hybrid additive manufacturing platform integrates direct droplet writing of metallic composite with VAT photopolymerization to fabricate architected soft magnetic composites. This approach enables microscale patterning of high‐viscosity materials for programmable actuators, adaptive fluidic devices, and switchable adhesives, offering tunable ...
Yeowon Yoon, Jian Ni, Sungmo Park, Yang Xu, Yong Chen   +4 more
wiley   +1 more source

Melanin's Role in Balancing Mechanical Strength and Reproductive Output in Environmentally Stressed Fungal Spores

Advanced Functional Materials, EarlyView.
Melanin content directly controls fungal spore mechanical properties, with pigmented spores achieving rupture forces two orders of magnitude higher than hyaline spores. Environmental stress drives this quantity‐quality tradeoff; stressed species invest energy in melanin‐reinforced, mechanically superior thick‐walled, super‐hydrophobic spores, while ...
Atul Agrawal, Steven E. Naleway
wiley   +1 more source

Hernias diafragmáticas: desafío clínico y quirúrgico Diaphragmatic hernias: a clinical and surgical challenge

Revista Colombiana de Cirugía, 2009
Las hernias diafragmáticas se definen como el paso del contenido abdominal a la cavidad torácica a través de un defecto en el diafragma. Se dividen en congénitas (anteriores o de Morgagni y postero-laterales o de Bochdalek) y adquiridas (traumáticas ...
Leonidas Tapias, Leonidas Tapias-Vargas, Luis Felipe Tapias-Vargas   +2 more
doaj  

Early and late outcomes of video thoracoscopic versus open approach for bronchiectasis lung resections [PDF]

Revista do Colégio Brasileiro de Cirurgiões
Objectives: To evaluate the early and late results of surgical treatment of patients with bronchiectasis, comparing the Video-Assisted Thoracic Surgery (VATS) vs. the open thoracotomy (OT).
ANTERO GOMES NETO, LUCAS CASTRO DE OLIVEIRA, FLÁVIO MENDES ALVES, LEONARDO FREIRE ALVES NOGUEIRA, VANESSA FERNANDES OLIVEIRA, ISRAEL LOPES MEDEIROS, ALESSANDRO WASUM MARIANI   +6 more
doaj   +1 more source

Forward‐Biased Perovskite Photodiodes for In‐Sensor Optical Change Sensing

Advanced Functional Materials, EarlyView.
A forward‐biased perovskite photodiode is introduced as an in‐sensor analog preprocessing unit that uses current balancing between photocurrent and injection current to generate optical changes relative to programmable optical reference levels. The device directly converts reference‐relative optical changes into bipolar current signals, enabling sensor‐
Eungseon Yeon, Je‐Jun Lee, Somin Yun, Sangin Hahn, Chanhyeok Kim, Jinsoo Park, Jung Pyo Hong, Seong‐Jun Han, Jung Woo Kim, Jeong Hwan Lee, Subin Jeon, Youngmin Kim, Gunuk Wang, Hanul Min, Do Kyung Hwang   +14 more
wiley   +1 more source

Non-Robotic Endoscopic-Assisted Internal Mammary Artery Harvest—A Historical Review and Recent Advancements

Journal of Cardiovascular Development and Disease
Background: The non-robotic endoscopic harvest of the internal mammary artery (IMA) facilitates minimally invasive bypass grafting while minimizing chest wall trauma. The technique was pioneered in the early 1990s and has recently regained popularity due
De Qing Görtzen, Fleur Sampon, Joost Ter Woorst, Ferdi Akca   +3 more
doaj   +1 more source

Accelerated Discovery of Topological Spin Phase Diagrams in CrSBr Magnets Via High‐Throughput Optimization

Advanced Functional Materials, EarlyView.
Here, we develop a high‐throughput algorithm that accelerates the elucidation of phase diagrams of topological spin textures using limited computational resources at high numerical accuracy. Applying this framework to the van der Waals magnet CrSBr, we unveiled a hierarchy of previously unknown topological textures (domain‐wall bimerons, bimeron chains,
Andrew Lyall, Mohammad H. Badarneh, Cristian Bonato, Rebecca Cheung, Elton J. G. Santos   +4 more
wiley   +1 more source

Video assisted Laser Ablation of Pilonidal Sinus: A Minimally Invasive Technique with High Success and Rapid Return to Normal Activity: A Long term Retrospective Study Over 5 Years

Indian Journal of Colo-Rectal Surgery
Background: Pilonidal sinus disease (PSD) predominantly affects young adults and is known for its recurrent nature and significant morbidity. Conventional surgical approaches are often associated with prolonged recovery, high recurrence, and patient ...
Neeraj Goyal, Purvi Varma, Nikhil Choudhary   +2 more
doaj   +1 more source