ArticleCVIR endovascular2026
Lumbosacral spondylodiscitis following superior hypogastric nerve block performed during uterine artery embolization: a case report.
Article in CVIR endovascular, 2026. 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
backgroundUterine artery embolization (UAE) is a minimally invasive, uterus-preserving treatment for symptomatic uterine fibroids with a low infection rate, and post-procedural infections are typically confined to the pelvis. Extra-pelvic deep infections are exceptionally rare. We describe an unusual delayed presentation of lumbosacral spondylodiscitis following an otherwise uncomplicated UAE. CASE PRESENTATION: A 30-year-old woman with symptomatic uterine fibroids underwent bilateral UAE. Embolization was performed with 700-900 μm microspheres to angiographic stasis, with adjunct superior hypogastric nerve block (SHNB) for analgesia via an anterior suprapubic approach. Recovery was initially uneventful; however, new low back pain developed approximately 1 week post-procedure. At day 20, inflammatory markers were mildly elevated with a normal white blood cell count, and lumbar magnetic resonance imaging (MRI) demonstrated no abnormality. Despite conservative management, pain progressively worsened with functional limitation. Repeat MRI at 7 weeks revealed L5-S1 spondylodiscitis. After antibiotic therapy, follow-up MRI at 11 weeks demonstrated progression with abscess formation, prompting referral to neurosurgery for further management.
conclusionPersistent or progressive back pain after UAE, particularly when inflammatory markers rise, warrants reassessment and consideration of spondylodiscitis. Early MRI may be normal; repeat MRI is appropriate when symptoms persist or worsen. This case highlights spondylodiscitis as a rare but serious complication in the procedural setting, with SHNB representing a possible contributory mechanism.
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