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Morselized Femoral Head Impaction Bone Grafting of Large Defects in Ankle and Hindfoot Fusions.
Foot Ankle Int
January 2025
Royal National Orthopaedic Hospital NHS Trust, Foot & Ankle Unit, Stanmore, United Kingdom.
Background: Ankle and hindfoot fusion in the presence of large bony defects represents a challenging problem. The purpose of this study was to evaluate outcomes of patients who underwent ankle-hindfoot fusions with impaction bone grafting (IBG) with morselized femoral head allograft to fill large bony void defects.
Methods: This was a 3-center, retrospective review of a consecutive series of 49 patients undergoing ankle or hindfoot fusions with femoral head IBG for filling large bony defects.
Improving Septicemia Diagnostics: A Comparative Analysis of Direct and Post-Culture MALDI-TOF MS Methods for Bacterial Identification.
Tunis Med
December 2024
Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, Morocco.
Article Synopsis
- Bloodstream infections need quick bacterial identification for effective treatment, with traditional methods being slow.
- The study compared direct identification using MALDI-TOF MS with the post-culture method, finding that while direct identification had a lower success rate (64.8%), it provided results in under an hour.
- Despite its limitations, the direct method could significantly enhance diagnosis speed, making it a potentially valuable tool in conjunction with established methods.
Ultrasound-guided percutaneous release of the ulnar nerve at the elbow.
Hand Surg Rehabil
December 2024
Ultrasound-guided Hand Surgery Center, Versailles, France.
Introduction: Surgical treatment of ulnar tunnel syndrome is controversial, with no consensus on the ideal procedure. Nevertheless, in-situ decompression seems to provide faster recovery with less morbidity than neurolysis-transposition. The aim of this retrospective study was to validate a new percutaneous technique using ultrasonography.
View Article and Find Full Text PDFFirst-Principles Insights into Highly Sensitive and Reusable MoS Monolayers for Heavy Metal Detection.
Micromachines (Basel)
July 2024
Centre for Optical and Electromagnetic Research, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China.
Article Synopsis
- - This study investigates the use of MoS monolayers as sensors for heavy metals like As, Cd, Hg, and Pb, using advanced simulation techniques (DFT and NEGF) to analyze their electronic properties upon adsorption.
- - The findings show that As and Pb affect the MoS structure and electronic characteristics the most, leading to significant sensitivity levels for detection: 126,452.28% for As, 1862.67% for Cd, 427.71% for Hg, and 83,438.90% for Pb.
- - The sensors are not only highly sensitive and selective—displaying unique responses for As and Pb—but also can recover quickly from adsorption, enhancing their reusability for
Rapid volcanic ash entombment reveals the 3D anatomy of Cambrian trilobites.
Science
June 2024
Palaeoscience Research Centre, School of Environmental and Rural Science, University of New England, Armidale, NSW 2351, Australia.
Knowledge of Cambrian animal anatomy is limited by preservational processes that result in compaction, size bias, and incompleteness. We documented pristine three-dimensional (3D) anatomy of trilobites fossilized through rapid ash burial from a pyroclastic flow entering a shallow marine environment. Cambrian ellipsocephaloid trilobites from Morocco are articulated and undistorted, revealing exquisite details of the appendages and digestive system.
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