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J Spine Surg
December 2024
Spinal Surgery Team, Wirbelsäulenzentrum Ostschweiz AG, St. Gallen, Switzerland.
Background: The objective of this report is to present a case of two cervical spine artificial discs (Bryan Cervical Disk) that completely disappeared within 6 months as a result of a high-energy trauma more than 10 years after the initial surgery. Implant dislocation is a known complication in artificial cervical disc replacement. However, this report presents the case of an exceptional migration path with esophageal ingrowth and rectal excretion, not only for one artificial disc but for two at different times It highlights the need for long-term follow-up examinations after artificial cervical disc arthroplasty (ACDA).
View Article and Find Full Text PDFJ Mol Model
December 2024
School of Mechanical and Electrical Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, China.
Context: Bi-containing free-cutting steel has consistently attracted attention in the field of materials processing. The molecular dynamics (MD) simulations were used to investigate the impact of bismuth (Bi) nanoparticles on the internal structural evolution and mechanical properties of single-crystal Fe during the rolling process. The influence of varying rolling depths in the presence of nanoparticles is also examined.
View Article and Find Full Text PDFCraniomaxillofac Trauma Reconstr
April 2024
ENT, Head and Neck Surgery, Karolinska University Hospital, Stockholm, Sweden.
Study Design: Retrospective cohort study.
Objective: Frontal sinus fractures (FSFs) can lead to a range of clinical challenges, including facial deformity, impaired facial sensation, cerebrospinal fluid (CSF) leakage, sinus drainage impairment, chronic sinus pain and mucocele formation. The optimal management approach, whether surgical or conservative, remains a topic of ongoing discussion.
Cureus
September 2024
Department of Neurosurgery, International University of Health and Welfare, Narita Hospital, Narita, JPN.
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