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Purpose Of Review: This evidence-based systematic review will focus on the use of dexmedetomidine and its role as adjuvant anesthetics in regional blocks to help better guide physicians in their practice. This review will cover background and mechanism of dexmedetomidine as well as the use in various regional blocks.
Recent Findings: Local anesthetics are preferred for nerve blocks over opioids; however, both due come with its own side effects. Local anesthetics may be toxic as they disrupt cell membrane and proteins, but by using adjuvants such as dexmedetomidine, that can prolong sensory and motor blocks can reduce total amount of local anesthetics needed. Dexmedetomidine is an alpha-2-adrenergic agonist used as additive for regional nerve block. It has a relatively low side effect profile and have been researched in various regional blocks (intrathecal, paravertebral, axillary, infraclavicular brachial plexus, interscalene). Dexmedetomidine shows promising results as adjuvant anesthetics in most regional blocks.
Summary: Many studies have been done and many show promising results for the use of dexmedetomidine in regional blocks. It may significantly increase in duration of sensory and motor blocks that correlates with lower pain scores and less need of morphine in various regional blocks.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7901136 | PMC |
Protoplasma
September 2025
Vavilov Institute of General Genetics RAS, Moscow, Russia.
Large interstitial telomeric regions are considered remnants and markers of chromosomal rearrangements or a result of several suggested molecular mechanisms of telomere repeats accumulation. More rare are cases when large interstitial repeats are found not close to, but at a distance from the centromere. However, synapsis, recombination, and effects on chromatin near these regions during meiotic prophase I have not been sufficiently studied.
View Article and Find Full Text PDFAerosp Med Hum Perform
September 2025
Introduction: Pilots have an increased incidence of cutaneous melanoma compared to the general population; occupational exposure to ultraviolet (UV) radiation is one of several potential risk factors. Cockpit windshields effectively block UVB (280-315 nm) but further analysis is needed for UVA (315-400 nm). The objective of this observational study was to assess transmission of UVA through cockpit windshields and to measure doses of UVA at pilots' skin under daytime flying conditions.
View Article and Find Full Text PDFJMIR Res Protoc
September 2025
Moores Cancer Center, University of California, San Diego, La Jolla, CA, United States.
Background: Cancer screening nonadherence persists among adults who are deaf, deafblind, and hard of hearing (DDBHH). These barriers span individual, clinician, and health care system levels, contributing to difficulties understanding cancer information, accessing screening services, and following treatment directives. Critical communication barriers include ineffective patient-physician communication, limited access to American Sign Language (ASL) cancer information, misconceptions about medical procedures, insurance navigation difficulties, and intersectional barriers for multiply marginalized individuals.
View Article and Find Full Text PDFInt J Biol Macromol
September 2025
National Demonstration Center for Experimental Fisheries Science Education (Shanghai Ocean University), Shanghai, 201306, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources (Shanghai Ocean University), Ministry of Education, Shanghai, 201306, China; International Resea
Phase separation has been discovered as a new form of regulation in innate immunity. Here, we found that IL6Ra in teleost fish has a unique intrinsic disordered region (IDR) in its amino acid sequence, distinguishing it from the IL6Ra of higher vertebrates. This unique feature endows IL6Ra with the ability to undergo liquid-liquid phase separation, enabling the organism to swiftly initiate an immune response at the early stages of viral infection.
View Article and Find Full Text PDFAnn Afr Med
September 2025
Department of Anaesthesiology, Kasturba Medical College Mangalore Manipal Academy of Higher Education, Manipal, India.
Background: Regional anesthesia techniques, such as unilateral spinal anesthesia and peripheral nerve blocks, are essential components of multimodal analgesia. Nonetheless, "rebound pain," an abrupt increase in nociceptive intensity following the cessation of the block, is inadequately defined and may compromise patient satisfaction and functional recovery.
Aims And Objectives: This study aimed to compare postoperative pain profiles, the incidence of rebound pain, and patient satisfaction following popliteal sciatic nerve block versus unilateral spinal anesthesia in elective foot surgeries.