Proximal junctional kyphosis in Lenke 5 AIS patients: the important factor of pelvic incidence

The purpose of the study was to investigate whether pelvic incidence (PI) will affect the occurrence of PJK in Lenke 5 AIS patients after correction surgery and try to explore a better surgical scheme based on PI. Lenke 5C AIS patients that underwent correction surgery with a minimum of a 2-year fol...

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Bibliographic Details
Published in:BMC musculoskeletal disorders 2021-02, Vol.22 (1), p.185-185, Article 185
Main Authors: Zhou, Quan, Hu, Bowen, Yang, Xi, Song, Yueming, Liu, Limin, Wang, Linnan, Wang, Lei, Zhou, Chunguang, Zhou, Zhongjie, Xiu, Peng, Wang, Liang
Format: Article
Language:English
Subjects:
Adolescent idiopathic scoliosis
Age
Care and treatment
Humans
Kyphosis
Kyphosis - diagnostic imaging
Kyphosis - epidemiology
Kyphosis - surgery
Morphology
Musculoskeletal diseases
Patient outcomes
Patients
Pediatric research
Pelvic incidences
Pelvis
Posterior surgery
Postoperative Complications - diagnostic imaging
Postoperative Complications - epidemiology
Postoperative Complications - etiology
Proximal junctional kyphosis
Quality of life
Retrospective Studies
Risk Factors
Sagittal alignment
Scoliosis
Scoliosis - diagnostic imaging
Scoliosis - epidemiology
Scoliosis - surgery
Spinal Fusion
Surgeons
Surgery
Teenagers
Thoracic Vertebrae - diagnostic imaging
Thoracic Vertebrae - surgery
Thoracolumbar/lumbar curve
Thorax
Vertebrae
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Summary:The purpose of the study was to investigate whether pelvic incidence (PI) will affect the occurrence of PJK in Lenke 5 AIS patients after correction surgery and try to explore a better surgical scheme based on PI. Lenke 5C AIS patients that underwent correction surgery with a minimum of a 2-year follow-up were identified. Demographic and radiographic data were collected preoperatively, postoperatively, and at the final follow-up. The comparison between the PJK and the Non-PJK group was conducted and the subgroup analysis was performed based on the preoperative value of PI to investigate the potential mechanism of PJK. Clinical assessments were performed using the Scoliosis Research Society (SRS)-22 questionnaire. The mean preoperative Cobb angle of the TL/L curve was 53.4°±8.6. At the final follow-up, the mean TL/L Cobb angle was drastically decreased to 7.3°±6.8 (P 
ISSN:1471-2474
1471-2474
DOI:10.1186/s12891-021-04052-8