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http://dx.doi.org/10.1007/s00264-012-1729-9 | DOI Listing |
Orthop Surg
December 2024
The First School of Clinical Medicine, Southern Medical University, Guangzhou, China.
Objectives: To minimize the risk of V3 segment of vertebral artery (VA) injury in the atlantoaxial dislocation (AAD) patients with C1 pedicle height less than 4.0 mm and provide a strong toggle force in irreducible AAD and revision surgery. We evaluated the feasibility of C1 "Zero Angle" screw (C1ZAS) and safe entry point with "in-out-in" technique as an alternative option for C1 pedicle screw (PS) in cases with AAD.
View Article and Find Full Text PDFNeurosurg Rev
September 2024
Spine Center, Sanbo Brain Hospital, Capital Medical University, Beijing, People's Republic of China.
Objective: To propose a screw algorithm and investigate the anatomical feasibilities and clinical outcomes of five distinct fixation methods for C2-3 fused vertebra with high-ridding vertebral arteries (VA) (HRVA) when the C2 pedicle screw placement is unfeasible.
Methods: Thirty surgical patients with congenital C2-3 fusion, HRVA, and atlantoaxial dislocation (AAD) were included. We designed a algorithm for alternative screw implantation into C2-3 fused vertebrae, including C2 pedicle screw with in-out-in (passing VA groove) technique (in-out-in screw), subfacetal screw, translaminar screw, lateral mass screw, C3 pedicle screw.
Spine (Phila Pa 1976)
July 2024
Division of Spine Surgery, Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, China.
Med Phys
October 2024
Department of Electronic Science, Fujian Provincial Key Laboratory of Plasma and Magnetic Resonance, School of Electronic Science and Engineering, National Model Microelectronics College, Xiamen University, Xiamen, China.
Background: T and T* mapping are crucial components of quantitative magnetic resonance imaging, offering valuable insights into tissue characteristics and pathology. Single-shot methods can achieve ultrafast T or T* mapping by acquiring multiple readout echo trains. However, the extended echo trains pose challenges, such as compromised image quality and diminished quantification accuracy.
View Article and Find Full Text PDFIran J Biotechnol
January 2024
Diagnostic Laboratory Sciences and Technology Research Center, School of Paramedical Sciences, Shiraz University of Medical Sciences, Shiraz, Iran.
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