Trial reportWorld journal of orthopedics2025
Role of WARP sequence magnetic resonance imaging with the removal of metal artifacts in the evaluation of lumbar adjacent.
Trial report in World journal of orthopedics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundPosterior lumbar interbody fusion has good clinical results, but adjacent segment disease (ASD) affects its long-term efficacy. In patients with L4-5 fusion who were followed up for more than 10 years, the ASD incidence was 33.3%. Magnetic resonance imaging (MRI) is key for ASD diagnosis, but metal artifacts from internal fixation limit its use; therefore, removing the artifacts is crucial for ASD diagnosis and treatment.
aimTo evaluate the value of WARP MRI for patients with lumbar ASD.
methodsIn our hospital, the lumbar spines of patients with ASD were assessed
resultsA total of 30 patients with ASD after lumbar fusion and internal fixation were included in the study; the patients included 13 male and 17 female patients and were aged 66.03 ± 5.83 years. The metal artifact area of the WARP T2-tirm sequence was significantly smaller than that of the conventional STIR sequence [(20.85 ± 6.27) cm²
conclusionWARP sequences can significantly reduce the artifact area in the sagittal and cross-sectional images of titanium alloy spinal fixation, providing a good imaging reference for the diagnosis of ASD.
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