“…These studies also report that Harrington rod system has comparable clinical and radiological results with the modern instrumentation systems, however, the final deformitycorrection rates are very small and the overall lifequality at the last follow-up visit is almost unchanged when compared with the third-generation instrumentation systems [17,21,23,24,26,31,32,47]. Long-term results with the modern systems are limited [5,21,23,26,29,33].…”