Onset and remodeling of coronal imbalance after selective posterior thoracic fusion for Lenke 1C and 2C adolescent idiopathic scoliosis (a pilot study)

Scoliosis and Spinal Disorders
Masayuki IshikawaKota Watanabe

Abstract

Postoperative coronal imbalance is a significant problem after selective thoracic fusion for primary thoracic and compensatory lumbar curves in adolescent idiopathic scoliosis (AIS). However, longitudinal studies on postoperative behavior of coronal balance are lacking. This multicenter retrospective study was conducted to analyze factors related to onset and remodeling of postoperative coronal imbalance after posterior thoracic fusion for Lenke 1C and 2C AIS. Twenty-one Lenke 1C or 2C AIS patients, who underwent posterior thoracic fusion ending at L3 or above, were included with a minimum 2-year follow-up. The mean patients' age was 15.1 years at the time of surgery. Radiographic measurements were performed on Cobb angles of the main thoracic (MT) and thoracolumbar/lumbar (TLL) curves and coronal balance. Factors related to the onset of immediately postoperative coronal decompensation (IPCD) and postoperative coronal balance remodeling (PCBR), defined as an improvement of coronal balance during postoperative follow-up, were investigated using comparative and correlation analyses. Mean Cobb angles for the MT and TLL curves were 57.3° and 42.3° preoperatively and were corrected to 22.8° and 22.5° at final follow-up, respectively...Continue Reading

References

Dec 6, 2011·The Spine Journal : Official Journal of the North American Spine Society·Yu WangEbbe S Hansen
Feb 23, 2013·Spine·Satoru DemuraUNKNOWN Harms Study Group
Oct 14, 2014·Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association·Masayuki IshikawaMorio Matsumoto

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Citations

May 31, 2019·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Kai ChenMing Li

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Software Mentioned

AVT
MT
SPSS Statistics

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