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논문 기본 정보

자료유형
학술저널
저자정보
Yamato Yu (Hamamatsu University School of Medicine) Hasegawa Tomohiko (Hamamatsu University School of Medicine) Yoshida Go (Hamamatsu University School of Medicine) Banno Tomohiro (Hamamatsu University School of Medicine) Oe Shin (Hamamatsu University School of Medicine Hamamatsu) Arima Hideyuki (Hamamatsu University School of Medicine) Mihara Yuki (Hamamatsu University School of Medicine) Ushirozako Hiroki (Hamamatsu University School of Medicine) Yamada Tomohiro (Hamamatsu University School of Medicine) Watanabe Yuh (Hamamatsu University School of Medicine) Ide Koichiro (Hamamatsu University School of Medicine) Nakai Keiichi (Hamamatsu University School of Medicine Hamamatsu Japan) Kurosu Kenta (Hamamatsu University School of Medicine Hamamatsu Japan) Matsuyama Yukihiro (Hamamatsu University School of Medicine)
저널정보
대한척추외과학회 Asian Spine Journal Asian Spine Journal Vol.16 No.5
발행연도
2022.10
수록면
740 - 748 (9page)
DOI
10.31616/asj.2021.0244

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Study Design: Single-center retrospective case series.Purpose: We aimed to evaluate the clinical results of revision surgery for a rod fracture using a posterior-only approach and determine the best procedure to prevent refracture in patients with adult spinal deformity (ASD).Overview of Literature: ASD affects the thoracolumbar spine and often requires surgical correction. However, surgery for extensive spinal fusion causes rod fracture, a major mechanical complication. Few studies have described the treatment methods for rod fractures. Furthermore, the clinical outcomes of revision surgery for rod fractures in patients with ASD are currently unclear.Methods: We retrospectively reviewed the medical records of 404 patients who underwent corrective fusion surgery for ASD with a minimum 2-year follow-up. We studied cases of reoperation for postoperative rod fractures and investigated surgical procedure, intraoperative findings, clinical course, and rod refracture following revision surgery.Results: Rod fracture was observed in 88 patients (21.8%). Fifty-three patients (average age, 68.3 years; average blood loss, 502.2 mL [% estimated blood volume=16.4%]; and operation time, 203.3 minutes) who suffered from a rod fracture at an average of 28.3 months after the primary operation underwent reoperation. Surgical invasiveness had no significant differences in total or partial rod replacement; however, the procedures with and without an anterior bone graft significantly differed. The replaced rod refractured at an average of 35.3 months after the revision surgery of five patients. The rod also refractured at a level outside multiple rods in two patients and with traumatic episodes in three patients. Three patients had bone grafts in the anterior column.Conclusions: Revision surgery involving a multirod with a posterior-only approach for a rod fracture that occurred after ASD was performed successfully. Bone grafting in the anterior column is unnecessary for patients without massive bone defects.

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