Sacroiliac Joint Ablation Using MR-HIFU

  • Arash NajafiEmail author
  • Elisabeth Sartoretti
  • Christoph A. Binkert
Case Report


The sacroiliac joint is the culprit in 15–30% of patients with chronic lumbar back pain. Ablation of the posterior sensory nerves supplying the joint is an established treatment option before arthrodesis. We report the successful application of MR-HIFU in a patient with therapy–refractory pain using the Sonalleve MR-HIFU system. The outpatient procedure was performed under spinal anaesthesia and analgosedation. The ramus dorsalis of L5 as well as the lateral branches of the ramus dorsalis S1–S3 was targeted, and tissue peak temperature per sonication was controlled using MR-thermometry. There were no post-interventional complications. Clinical improvement began 4 days post-intervention with complete resolution of the pain after 1 month.


HIFU SIJ Chronic back pain Nerve ablation 



The corresponding author receives funding from Philips for part-time (20%) dedicated research time.

Compliance with Ethical Standards

Conflict of interest

The authors declare that they have no conflict of interest.

Informed Consent

Informed consent was obtained from all individual participants included in the study.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature and the Cardiovascular and Interventional Radiological Society of Europe (CIRSE) 2019

Authors and Affiliations

  1. 1.Department of Radiology and Nuclear MedicineCanton Hospital WinterthurWinterthurSwitzerland
  2. 2.University of ZurichZurichSwitzerland

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