ArticleThe British journal of radiology2022
Lumbar nerve root blocks using MRI - the effectiveness and safety of ultrasound/MRI fusion image guidance.
Article in The British journal of radiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed, 4 citations in OpenAlex.
- Updates in ultrasound-guided musculoskeletal interventions.The British journal of radiology · 2026Review
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4 authors at 2 institutions in 1 country.
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Abstract
objectiveTo compare the outcome of nerve root injection guided by ultrasound/MRI fusion with radiofrequency needle tracking (eTRAX
methodsThis is a retrospective audit of anonymised clinical records from before and after a change in the imaging technique used to perform nerve root blocks.We studied 181 consecutive patients who had undergone a nerve root block, the first 124 guided by fluoroscopic technique and the next 57 guided by ultrasound/MRI fusion with radiofrequency needle guidance.Using pain diaries, we reviewed the outcome scores at 24 h and 2 weeks. We recorded the use of analgesia, the patient's satisfaction, complications and the duration of the procedures.
resultsCompleted pain diaries were returned by 61% in the fluoroscopy group and 67% in the fusion imaging group.The visual analogue pain score was reduced at 24 h by 3.29 [standard deviation (SD) 2.35] for the fluoroscopy group and by 3.69 (SD 2.58) in the fusion group (p 0.399).At two weeks the pain reduction was 3.27 (SD 2.57) for the fluoroscopic group and 4.21 (SD 2.95) for the fusion group (p 0.083). There was no statistically significant difference between the groups.The patient's satisfaction scores were similar for both groups.The procedure by the two guidance methods took a similar time to perform.There were no serious complications in either group. One patient in the fusion-guided nerve root block group experienced paraesthesia in the nerve distribution for 2 h.
conclusionUltrasound/MRI fusion imaging with needle tracking is an effective alternative to fluoroscopic image-guided injection. ADVANCES IN KNOWLEDGE: Fusion imaging guidance provides the same outcome as fluoroscopic guidance.Fusion imaging guidance avoids the need for ionising radiation.
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