Age of patient | 5 yr | 9 yr | 15 yr |
---|---|---|---|
Rod inserted | Single right standard MCGR | Dual MCGR: left standard, right offset | Fusion |
Distraction episodes (rod lengthened) | 26 distractions (37.6 mm) | 28 distractions (left rod 46.4 mm, right rod 46.7 mm) | – |
Complications related to implant | Loss of distraction, crooked rod sign, metallosis | Crooked rod sign, metallosis | Nil |
Complications related to surgery | Proximal junctional kyphosis | Distal adding-on, autofusion | Nil |