[Purpose] The aim of this clinical study was to investigate the benefits and the basic principles of ultrasonographic examination in the evaluation of sciatic nerve injuries. [Subjects and Methods] Patients with sciatic nerve injury were evaluated using a real-time utrasonographic examination. The capabilty of ultrasonography in terms of determination of the type and the localization of injury, the position of the proximal and distal nerve segments, the presence or absence of a neuroma, and perilesional scar tissue were evaluated in all cases. [Results] Ten cases with sciatic nerve injury were evaluated with real time sonography. Perilesional scar tissue formation was found in 4 (40%) cases. Two (20%) cases had stump neuroma diagnosed by sonographic examination. The capability of ultrasonographic examination was satisfactory for all evaluation parameters. [Conclusion] Ultrasonographic examination of sciatic nerve lesions may be used for the description of the degree of injury, determination of complete or incomplete nerve sectioning, the presence of hematoma and foreign body, the continuity of nerve, determination of nerve stumps, formation of perilesional scar tissue, and the presence of neuroma.
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http://dx.doi.org/10.1589/jpts.25.1209 | DOI Listing |
Mater Today Bio
February 2025
Department of Orthopedics and Trauma, Peking University People's Hospital, Beijing, 100044, China.
Recent advancements in tissue engineering have promoted the development of nerve guidance conduits (NGCs) that significantly enhance peripheral nerve injury treatment, improving outcomes and recovery rates. However, utilising tailored biomimetic three-dimensional (3D) topological porous structures combined with multiple bio-effect neurotrophic factors to create environments similar to neural tissues, regulate local immune responses, and develop a supportive microenvironment to promote peripheral nerve regeneration and repair poses significant challenges. Herein, a biomimetic extracellular matrix (ECM) NGC featuring an interconnected 3D porous network and sustained delivery of insulin-like growth factor-1 (IGF-1) is designed using multi-functional gelatine microcapsules (GMs).
View Article and Find Full Text PDFJ Vet Diagn Invest
January 2025
Large Animal Clinical Sciences, Western College of Veterinary Medicine, Saskatoon, Saskatchewan, Canada.
An apparent outbreak of fenugreek forage toxicosis occurred in a beef cattle herd near Moose Jaw, Saskatchewan in February-May 2022. The herd had consumed fenugreek hay from late fall to early winter. Clinical signs included various degrees of weakness, ataxia, knuckling, walking on hocks, and recumbency.
View Article and Find Full Text PDFArthrosc Tech
December 2024
American Hip Institute Research Foundation, Chicago, Illinois, U.S.A.
Piriformis syndrome (PS) is an underdiagnosed condition, caused by entrapment of the sciatic nerve by the piriformis muscle tendon and adhesions in the deep gluteal space. We present a step-by-step endoscopic technique with the patient in a prone position through a posterior approach. This approach provides improved orientation for tracking the sciatic nerve from distal to proximal, facilitating the release of all adhesions and concluding with a piriformis tendon release.
View Article and Find Full Text PDFMuscle Nerve
January 2025
Division of Plastic Surgery, Department of Surgery, Washington University School of Medicine, St. Louis, Missouri, USA.
Introduction: Motor recovery following nerve injury is dependent on time required for muscle reinnervation. This process is imperfect, however, and recovery is often incomplete. At the neuromuscular junction (NMJ), macrophage signaling aids muscle reinnervation.
View Article and Find Full Text PDFSmall Methods
January 2025
Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon, 16419, Republic of Korea.
Recently, implantable devices for treating peripheral nerve disorders have demonstrated significant potential as neuroprosthetics for diagnostics and electrical stimulation. However, the mechanical mismatch between these devices and nerves frequently results in tissue damage and performance degradation. Although advances are made in stretchable electrodes, challenges, including complex patterning techniques and unstable performance, persist.
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