Growth-preserving instrumentation in early-onset scoliosis patients with multi-level congenital anomalies
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Growth‑preserving instrumentation in early‑onset scoliosis patients with multi‑level congenital anomalies R. Carter Clement1,2 · Burt Yaszay3 · Anna McClung4 · Carrie E. Bartley3 · Naveed Nabizadeh5 · David L. Skaggs6 · George H. Thompson7 · Ohenaba Boachie‑Adjei8 · Paul D. Sponseller9 · Suken A. Shah10 · James O. Sanders11 · Jeff Pawelek4 · Gregory M. Mundis12 · Behrooz A. Akbarnia13 · Growing Spine Study Group Received: 8 April 2020 / Accepted: 15 April 2020 © Scoliosis Research Society 2020
Abstract Study design Retrospective. Objectives To assess final outcomes in patients with early-onset scoliosis (EOS) who underwent growth-preserving instrumentation (GPI). Summary of background data Various types of growth-preserving instrumentation (GPI) are frequently employed, but until recently had not been utilized long enough to assess final outcomes. Methods GPI “graduates” with multi-level congenital curves were identified. Graduation was defined as a final fusion or 5 years of follow-up without planned future surgeries. Outcomes included radiographic parameters and complications. Results 26 patients were included. 11 had associated diagnoses; eight had fused ribs. 17 were treated with traditional growing rods, seven with vertically expandable prosthetic ribs, and two with Shilla procedures. The mean GPI spanned 12.3 levels including 10.7 motion segments, age at index surgery was 5.5 years, treatment spanned 7.5 years, and follow-up was 9.2 years. 24 patients underwent final fusion. Mean major curve decreased from 73° to 49° with index surgery (p
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