Growth-Friendly Implants With Rib Clawing Hooks as Proximal Anchors in Early-Onset Scoliosis.

Global Spine J 2020 Jun 21;10(4):370-374. Epub 2019 May 21.

An-Najah National University, Nablus, Palestine.

Study Design: Retrospective study.

Objectives: This study retrospectively evaluates the outcome of the surgical treatment of early-onset scoliosis with proximal clawing rib fixation in hybrid growing-rod constructs. The study examines spinal deformity correction with spinal growth maintenance, and the complications associated with this technique.

Method: A hybrid rib construct surgery with serial lengthening was utilized for the treatment of 71 patients. Mean age at surgery was 66.6 months and mean time for follow-up was 43.9 months.

Results: The coronal Cobb angle in patients fell from 63.1° preoperatively to 51.6° at the last follow-up, with a correction of 16.8%. The sagittal Cobb angle fell from 66.7° preoperatively to 38° at the last follow-up, with a correction of 42.6%. Coronal balance fell from 22.8° preoperatively to 22.3°, and sagittal balance fell from 35.4 mm preoperatively to 24.39 mm. T1-S1 spine height increased from 248.7 mm preoperatively to 282.4 mm, with a mean change of 1.13 cm per year. No neurological complications were detected.

Conclusion: Surgical management for early-onset scoliosis using proximal clawing rib fixation technique is a good choice in terms of safety, ease of placing the proximal anchors, ability to use more than one form of instrumentation, and a lower complication rate.

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Source
http://dx.doi.org/10.1177/2192568219848143DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7222689PMC
June 2020

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