Results of Revision Surgery for Proximal Junctional Kyphosis Following Posterior Segmental Instrumentation: Minimum 2-Year Postrevision Follow-Up

STUDY DESIGN.A retrospective cohort study. OBJECTIVES.The aim of this study was to evaluate radiographic and patient-reported outcomes at minimum 2 years after revision surgery for proximal junctional kyphosis (PJK), correlating these results with PJK etiology. SUMMARY OF BACKGROUND DATA.There are n...

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Published in:Spine (Philadelphia, Pa. 1976) Pa. 1976), 2016-12, Vol.41 (24), p.E1444-E1452
Main Authors: Kim, Yong-Chan, Lenke, Lawrence G, Bridwell, Keith H, Hyun, Seung-Jae, You, Ki-Han, Kim, Young-Woo, Chang, Ho-Guen, Kelly, Michael P, Koester, Linda A, Blanke, Kathy M, Bumpass, David B
Format: Article
Language:English
Subjects:
Adult
Aged
Aged, 80 and over
Female
Follow-Up Studies
Humans
Kyphosis - etiology
Kyphosis - surgery
Lordosis - surgery
Lumbar Vertebrae - surgery
Male
Middle Aged
Postoperative Complications - etiology
Reoperation
Retrospective Studies
Spinal Fusion - methods
Thoracic Vertebrae - surgery
Treatment Outcome
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Summary:STUDY DESIGN.A retrospective cohort study. OBJECTIVES.The aim of this study was to evaluate radiographic and patient-reported outcomes at minimum 2 years after revision surgery for proximal junctional kyphosis (PJK), correlating these results with PJK etiology. SUMMARY OF BACKGROUND DATA.There are no studies detailing the results of revision surgery for PJK following posterior segmental instrumentation. METHODS.Thirty-two consecutive patients treated with revision surgery after PJK above posterior fusions (25 women/7 men, average age at surgery 60.6 yrs) were reviewed for radiographic and patient-reported outcomes (mean follow-up, 4.5 yrs; range, 2–10 yrs). Patients were subdivided into fracture (F) and nonfracture (NF) groups on the basis of PJK etiology. RESULTS.Radiographic severity of PJK improved significantly with revision surgery and was maintained at ultimate follow-up (P 
ISSN:0362-2436
1528-1159
DOI:10.1097/BRS.0000000000001664