Proximal Junctional Kyphosis in Adult Spinal Deformity: Definition, Classification, Risk Factors, and Prevention Strategiesopen accessProximal Junctional Kyphosis in Adult Spinal Deformity: Definition, Classification, Risk Factors, and Prevention Strategies
- Authors
- Kim, Hong Jin; Yang, Jae Hyuk; Chang, Dong-Gune; Suk, Se-Il; Suh, Seung Woo; Kim, Sang-Il; Song, Kwang-Sup; Park, Jong-Beom; Cho, Woojin
- Issue Date
- Jun-2022
- Publisher
- KOREAN SOC SPINE SURGERY
- Keywords
- Proximal junctional problems; Proximal junctional kyphosis; Proximal junctional failure; Adult spinal deformity; Prevention strategies
- Citation
- ASIAN SPINE JOURNAL, v.16, no.3, pp 440 - 450
- Pages
- 11
- Journal Title
- ASIAN SPINE JOURNAL
- Volume
- 16
- Number
- 3
- Start Page
- 440
- End Page
- 450
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/52247
- DOI
- 10.31616/asj.2020.0574
- ISSN
- 1976-1902
1976-7846
- Abstract
- Proximal junctional problems are among the potential complications of surgery for adult spinal deformity (ASD) and are associated with higher morbidity and increased rates of revision surgery. The diverse manifestations of proximal junctional problems range from proximal junctional kyphosis (PJK) to proximal junctional failure (PJF). Although there is no universally accepted definition for PJK, the most common is a proximal junctional angle greater than 10 degrees that is at least 10 degrees greater than the preoperative measurement. PJF represents a progression from PJK and is characterized by pain, gait disturbances, and neurological deficits. The risk factors for PJK can be classified according to patient-related, radiological, and surgical factors. Based on an understanding of the modifiable factors that contribute to reducing the risk of PJK, prevention strategies are critical for patients with ASD.
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