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What is the importance of "halo" phenomenon around bone cement following vertebral augmentation for osteoporotic compression fracture?

 K. H. Kim  ;  S. U. Kuh  ;  J. Y. Park  ;  K. S. Kim  ;  D. K. Chin  ;  Y. E. Cho 
 OSTEOPOROSIS INTERNATIONAL, Vol.23(10) : 2559-2565, 2012 
Journal Title
Issue Date
Aged ; Bone Cements/adverse effects* ; Bone Cements/therapeutic use ; Female ; Fractures, Compression/etiology ; Fractures, Compression/surgery* ; Humans ; Kyphoplasty/adverse effects ; Kyphoplasty/methods ; Male ; Middle Aged ; Osteonecrosis/complications ; Osteoporotic Fractures/surgery* ; Prognosis ; Radiography ; Recurrence ; Risk Factors ; Spinal Fractures/etiology ; Spinal Fractures/surgery* ; Spine/diagnostic imaging ; Treatment Outcome ; Vertebroplasty/adverse effects ; Vertebroplasty/methods
Cement distribution ; Kyphoplasty ; Osteonecrosis ; Osteoporotic vertebral compression fracture ; Recollapse ; Vertebroplasty
We investigated the importance, risk factors, and clinical course of the radiolucent "halo" phenomenon around bone cement following vertebral augmentation for osteoporotic compression fracture. Preoperative osteonecrosis and a lump cement pattern were the most important risk factors for the peri-cement halo phenomenon, and it was associated with vertebral recollapse. INTRODUCTION: We observed a newly developed radiolucent area around the bone cement following vertebral augmentation for osteoporotic compression fractures. Here, we describe the importance of the peri-cement halo phenomenon, as well as any associated risk factors and long-term sequelae. METHODS: In total, 175 patients (202 treated vertebrae) were enrolled in this study. The treated vertebrae were subdivided into two groups: Group A (with halo, n = 32) and Group B (without halo, n = 170), and the groups were compared with respect to multiple preoperative (age, sex, BMD, preoperative osteonecrosis) and perioperative factors (operative approach: vertebroplasty or kyphoplasty; cement distribution pattern; cement leakage; cement volume), and postoperative results (VAS score, recollapse). Logistic regression analysis was used to evaluate the relationship between the incidence of the peri-cement halo and all of the parameters described above. RESULTS: Rates of osteonecrosis were also significantly higher in Group A than in Group B (62.5% vs. 31.2%, p < 0.05), and kyphoplasty (KP) was performed more frequently in Group A (43.8% vs. 17.6%, p < 0.05). Lump cement (93.8% vs. 30.6%, p < 0.05) and recollapse (78.1% vs. 24.7%, p < 0.05) were also more common among individuals in Group A. Logistic regression analysis also showed that preoperative osteonecrosis (OR = 3.679; 95% CI = 1.677-8.073; p = 0.001), KP (OR = 3.630; 95% CI = 1.628-8.095; p = 0.002), lump pattern (OR = 13.870; 95% CI = 2.907-66.188; p = 0.001), and vertebral recollapse (OR = 5.356; 95% CI = 1.897-15.122; p = 0.002) were significantly associated with peri-cement halo.
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1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
Yonsei Authors
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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