Pain medicine : the official journal of the American Academy of Pain Medicine
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Cervical medial branch radiofrequency ablation (CMBRFA) is an effective treatment for facetogenic pain in patients selected by Spine Intervention Society (SIS) guidelines of 100% symptom improvement with dual medial branch blocks (MBBs) ± placebo block. Patient selection for CMBRFA using ≥80% symptom improvement after dual concordant MBBs is common; however, this has not been studied. ⋯ CMBRFA is an effective treatment in patients who report ≥80% symptom relief with dual concordant MBBs. The present study demonstrated an overall ≥50% pain reduction rate of 54% and no significant difference between those selected by 80-99% vs 100% symptom relief with dual concordant MBBs.
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Review Case Reports
Anticoagulation Use During Dorsal Column Spinal Cord Stimulation Trial.
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To explore the features of high-intensity zone (HIZ) in anterior annulus fibrosus and assess the association of anterior HIZ with low back pain (LBP). ⋯ Anterior HIZ is a lower-prevalence, age-related sign on lumbar MR images. The spatial distribution of anterior HIZ can be distinguished from posterior HIZ. The number of consecutive anterior HIZ slides might suggest fewer Dallas grade 4 anterior annular disruptions in this sample. Anterior HIZ was correlated with LBP.