Abstract Background Context Shoulder imbalance, coronal decompensation, and adding-on
phenomenon following corrective surgery in patients with adolescent idiopathic scoliosis are …

Study Design. A systematic review and meta-analysis. Objective. To discuss the prevalence,
risk factors, and characteristics of the “adding-on” phenomenon in idiopathic scoliosis (IS) …

Objectives There are many different systems recommending upper instrumented vertebra
(UIV) for Lenke type 2 adolescent idiopathic scoliosis (AIS), several of which suggest that all …

OBJECTIVE Postoperative shoulder imbalance (PSI) is a critical consideration after
corrective surgery for a double thoracic curve (Lenke Type 2); however, the radiographic …

Study Design This is a retrospective study. Purpose This study aimed to investigate the
incidence of and risk factors for postoperative shoulder imbalance (PSI) in patients with …

Background: Shoulder imbalance (SI) is among the most rated manifestations of adolescent
idiopathic scoliosis (AIS) pointed to by patients and spine surgeons. It serves as a criterion to …

Study Design. A retrospective study. Objective. The aim of this study was to detect risk
factors for Adding-on after posterior correction surgery in patients with Lenke 1 or 2 AIS, and …

Abstract Study Design Multicenter review of prospectively collected data. Objective The
purpose of this study was to evaluate whether a UIV of T2 reliably results in level shoulders …

Study Design. A systematic review and meta-analysis. Objective. The aim of this study was
to determine the differences in the sagittal spinopelvic parameters between the nonscoliotic …

Purpose To investigate whether an optimal upper instrumented vertebra (UIV) tilt angle
would prevent 'lateral'shoulder imbalance or neck tilt (with 'medial'shoulder imbalance) post …