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Regional anesthesia and acute pain medicine can add significant non-monetary value to a surgical practice and healthcare system in terms of pain relief, reduced incidence of anesthetic- and opioid-related side effects, and faster recovery. Advances in ultrasonic-guided regional anesthesia and analgesia have given clinicians the opportunity to apply new approaches to easily block peripheral nerves. As a result, improvements in outcomes such as analgesia quality, early rehabilitation and patient satisfaction were noted. The use of ultrasound results in faster sensory blocking, shorter performance time, fewer vascular punctures and needle passages. The practice of regional anesthesia has rapidly progressed in recent years with the application of ultrasound which has resulted in a significant improvement in nervous block quality and patient satisfaction. Regional anesthesia has always had a role to play in minimizing peri-operative opioid requirements, but it should no longer be seen as merely an alternative to general anesthesia, rather a complement to an overall multimodal anesthetic strategy.
This book gathers selected papers from the 28th International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2022 (ICEC28-ICMC 2022), held virtually in Hangzhou, China on 25-29 April 2022, due to COVID-19 pandemic. Highlighting the latest findings on cryogenic engineering and cryogenic materials, it covers topics including: large-scale cryogenic components, processes and systems for refrigeration, separation, and liquefaction of cryogenic fluids, small-scale cryocoolers, cryogenic space applications, thermal insulation, thermal-physical properties of cryogenic fluids and materials, superconducting materials, devices, systems and applications, etc. The book offers valuable information and insights for academic researchers, engineers in the industry, and operators in the cryogenic field.
The world is filled with electronics devices that use batteries and supercapacitors, such as laptops, cellphones, and cameras, creating the need for the efficient and effective production of good energy storage devices. The depletion of fossil fuels demands alternative sources of energy, which prompted the creation of solar cell (PV) technologies and fuel cells. The introduction of graphene oxides to these technologies help improve the performance of various energy storage and conversion devices. This book provides a broad review of graphene oxide synthesis and applications in various energy storage devices. The chapters explore various fundamental principles and the foundations of different...
Vols. for 1950-19 contained treaties and international agreements issued by the Secretary of State as United States treaties and other international agreements.
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