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Residence could influence the surgical outcome after corrective surgery in adult spinal deformity: comparison study between urban and rural area in Korea

 Un-Yong Choi  ;  Ji-In Kang  ;  Jeong-Yoon Park  ;  Sung-Uk Kuh  ;  Dong-Kyu Chin  ;  Keun-Su Kim  ;  Yong-Eun Cho  ;  Kyung-Hyun Kim 
 EUROPEAN SPINE JOURNAL, Vol.28(9) : 2216-2222, 2019 
Journal Title
Issue Date
Adult spinal deformity ; Proximal junctional kyphosis ; Rural living ; Trunk extensor muscle ; Urban living
PURPOSE: Numerous factors affect the surgical outcomes in patients with adult spinal deformity (ASD). However, no study has examined the relationship between residence and physical factors and surgical outcomes in patients with ASD. Here, we analysed the impact of residence and physical factors on the post-operative outcomes of patients with ASD residing in urban (U) and rural (R) environments. METHODS: We retrospectively reviewed data from patients who had undergone ASD surgery with sacropelvic fixation at a single institution between June 2011 and May 2017 with a minimum 1 year follow-up. We divided the patients into two groups (U and R). Preoperative demographic data were reviewed, and radiographic parameters were measured preoperatively, immediately postoperatively, at 1, 3, and 6 months, and at the final follow-up. The L4 axial paraspinal muscles were measured preoperatively using magnetic resonance imaging. RESULTS: There were 25 and 34 patients in the U and R groups, respectively. Both groups had similar preoperative demographic and radiological parameters. There were no differences between the groups in post-operative radiographic parameters, clinical outcomes, and complications, but proximal junctional kyphosis (PJK) was significantly higher in the R group. Additionally, muscle mass in the multifidus and erector spinae was lower in the R than in the U group. CONCLUSIONS: Patient residence influenced PJK in patients with ASD. Mass reduction in the trunk extensor muscle is an important and existing risk factor for PJK. Surgeons should be aware of this information for preoperative counselling, informed consent, and post-operative education of patients with ASD. These slides can be retrieved from Electronic Supplementary Material.
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1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Jiin(강지인)
Kuh, Sung Uk(구성욱) ORCID logo https://orcid.org/0000-0003-2566-3209
Kim, Kyung Hyun(김경현)
Kim, Keun Su(김근수) ORCID logo https://orcid.org/0000-0002-3384-5638
Park, Jeong Yoon(박정윤) ORCID logo https://orcid.org/0000-0002-3728-7784
Cho, Yong Eun(조용은) ORCID logo https://orcid.org/0000-0001-9815-2720
Chin, Dong Kyu(진동규) ORCID logo https://orcid.org/0000-0002-9835-9294
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