Abstract
Background
Disadvantages of fluoroscopically guided lumbar puncture include delivery of ionizing radiation and limited resolution of incompletely ossified posterior elements. Ultrasound (US) allows visualization of critical soft tissues and the cerebrospinal fluid (CSF) space without ionizing radiation.
Objective
To determine the technical success and safety of US-guided lumbar puncture in pediatric patients.
Materials and methods
A retrospective review identified all patients referred to interventional radiology for lumbar puncture between June 2010 and June 2017. Patients who underwent lumbar puncture with fluoroscopic guidance alone were excluded. For the remaining procedures, technical success and procedural complications were assessed. Two hundred and one image-guided lumbar punctures in 161 patients were included. Eighty patients (43%) had previously failed landmark-based attempts.
Results
One hundred ninety-six (97.5%) patients underwent lumbar puncture. Five procedures (2.5%) were not attempted after US assessment, either due to a paucity of CSF or unsafe window for needle placement. Technical success was achieved in 187 (95.4%) of lumbar punctures attempted with US guidance. One hundred seventy-seven (90.3%) were technically successful with US alone (age range: 2 days-15 years, weight range: 1.9-53.1 kg) and an additional 10 (5.1%) were successful with US-guided thecal access and subsequent fluoroscopic confirmation. Three (1.5%) cases were unsuccessful with US guidance but were subsequently successful with fluoroscopic guidance. Of the 80 previously failed landmark-based lumbar punctures, 77 (96.3%) were successful with US guidance alone. There were no reported complications.
Conclusion
US guidance is safe and effective for lumbar punctures and has specific advantages over fluoroscopy in pediatric patients.
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Pierce, D.B., Shivaram, G., Koo, K.S.H. et al. Ultrasound-guided lumbar puncture in pediatric patients: technical success and safety. Pediatr Radiol 48, 875–881 (2018). https://doi.org/10.1007/s00247-018-4091-2
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DOI: https://doi.org/10.1007/s00247-018-4091-2