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   Articles with "hrva" as a keyword



C2 pars interarticularis length on the side of high-riding vertebral artery with implications for pars screw insertion

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recommendations! Published in 2025 at "Scientific Reports"

DOI: 10.1038/s41598-025-02174-w

Abstract: C2 pars interarticularis length (C2PIL) required for pars screws has not been thoroughly studied in subjects with high-riding vertebral artery (HRVA). We aimed to measure C2PIL specifically on the sides with HRVA, define short pars,… read more here.

Keywords: c2pil; hrva; high riding; interarticularis length ... See more keywords

Bicortical Short C2 Pars Screw Fixation for High-Riding Vertebral Artery Provided Sufficient Biomechanical Stability

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recommendations! Published in 2021 at "SPINE"

DOI: 10.1097/brs.0000000000004141

Abstract: Fixation of C2 is demanding in the case of high-riding vertebral artery (HRVA). The bicortical short C2 pars screw presented comparable stability with the other two fixation methods and a smaller von Mises distribution on… read more here.

Keywords: hrva; short pars; bicortical short; fixation ... See more keywords

Effect of High-Riding Vertebral Artery on the Accuracy and Safety of C2 Pedicle Screw Placement in Basilar Invagination and Related Risk Factors.

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recommendations! Published in 2022 at "Global spine journal"

DOI: 10.1177/21925682221110180

Abstract: STUDY DESIGN Retrospective cohort study. OBJECTIVE To investigate the effect of HRVA on the intrapedicular accuracy of C2PS placement through the freehand method in patients with BI and analyse the possible risk factors for C2PS… read more here.

Keywords: intrapedicular accuracy; c2ps placement; accuracy; risk factors ... See more keywords

Correlation between osteoarthritis of the atlantoaxial facet joint and a high‐riding vertebral artery

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recommendations! Published in 2021 at "BMC Musculoskeletal Disorders"

DOI: 10.1186/s12891-021-04275-9

Abstract: Background A high-riding vertebral artery (HRVA) is an intraosseous anomaly that narrows the trajectory for C2 pedicle screws. The prevalence of a HRVA is high in patients who need surgery at the craniovertebral junction, but… read more here.

Keywords: subaxial group; patients subaxial; hrva; group ... See more keywords