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Risk factors associated with the halo phenomenon after lumbar fusion surgery and its clinical significance

Authors
 Ho-Joong Kim  ;  Sul-Gee Kim  ;  Hwan-Mo Lee  ;  Hak-Sun Kim  ;  Eun-Su Moon  ;  Jin-Oh Park  ;  Nam-Heon Seol  ;  Seong-Hwan Moon 
Citation
 ASIAN SPINE JOURNAL, Vol.2(1) : 22-26, 2008 
Journal Title
 ASIAN SPINE JOURNAL 
ISSN
 1976-1902 
Issue Date
2008
Keywords
Bone mineral density ; Halo phenomenon ; Pedicle screw
Abstract
STUDY DESIGN: Retrospective study. PURPOSE: First, to examine the association between bone mineral density (BMD) and the halo phenomenon, and second, to investigate risk factors predisposing to the halo phenomenon and its correlation with clinical outcomes. OVERVIEW OF LITERATURE: The few in vivo studies regarding the relationship between pedicle screw stability and BMD have shown conflicting results. METHODS: Forty-four female patients who underwent spine fusion surgery due to spinal stenosis were included in this study. The halo phenomenon and fusion state were evaluated through plain radiographs performed immediately after surgery and through the final outpatient follow-up examination. BMD, osteoarthritis grade in the hip and knee joints, and surgical outcome were also evaluated. RESULTS: BMD was not related to the halo phenomenon, but age, absence of osteoarthritis in the knee, and non-union state were found to be significant risk factors for the halo phenomenon. However, the radiological halo phenomenon did not correlate with clinical outcome (visual analogue scale for back pain and leg pain). CONCLUSIONS: The halo phenomenon is a simple phenomenon that can develop during follow-up after pedicle screw fixation. It does not influence clinical outcomes, and thus it is thought that hydroxyapatite coating screws, expandable screws, cement augmentation, and additional surgeries are not required, if their purpose is to prevent the halo phenomenon.
Files in This Item:
T200801049.pdf Download
DOI
10.4184/asj.2008.2.1.22
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Sul Ki(김슬기)
Kim, Hak Sun(김학선) ORCID logo https://orcid.org/0000-0002-8330-4688
Kim, Ho Joong(김호중)
Moon, Seong Hwan(문성환)
Moon, Eun Su(문은수)
Park, Jin Oh(박진오)
Lee, Hwan Mo(이환모) ORCID logo https://orcid.org/0000-0002-5405-3832
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/107320
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