S-Space College of Medicine/School of Medicine (의과대학/대학원) Orthopedic Surgery (정형외과학전공) Journal Papers (저널논문_정형외과학전공)
Percutaneous sacroplasty with the use of C-arm flat-panel detector CT: technical feasibility and clinical outcome
- Kang, Sung Eun; Lee, Joon Woo; Kim, Joo Hyung; Park, Kun Woo; Yeom, Jin S.; Kang, Heung Sik
- Issue Date
- SKELETAL RADIOLOGY Vol.40 No.4, pp. 453-460
- 복합학; Sacroplasty; Sacral insufficiency fracture; C-arm flat-panel detector CT; C-arm CT; Cement distribution
- Sacroplasty for sacral insufficiency fractures (SIFs) has been performed mostly under computed tomography (CT) or fluoroscopy guidance. The purposes of this study are to describe technical tips and clinical outcomes of sacroplasty under C-arm flat panel detector CT (C-arm CT) guidance, and to compare the cement distributions shown on C-arm CT with those on multi-detector CT (MDCT).This study consisted of patients who underwent sacroplasty for SIF using C-arm CT from May 2006 to May 2009. Technical success was assessed in terms of cement filling and leakage. Clinical outcome was assessed at short-term (less than 1 month) and long-term (more than 1 month) follow-up using a four-grade patient satisfaction scale: poor, fair, good, and excellent. After sacroplasty, all patients underwent MDCT and three radiologists compared MDCT images with C-arm CT images in consensus, focusing on the cement distribution and cement leakage.Sacroplasties were performed on both sacral alae in all 8 patients (male:female = 2:6, mean age = 76.9, range = 63-82). The technical success rate was 100%. At short-term follow up, 6 patients (87.5%) reported significant improvement. Five patients (62.5%) were available for long-term follow-up and all 5 patients reported a reduced pain and an improved ability to ambulate. Using MDCT as the standard of reference, the cement distribution was visualized equally well by C-arm CT.Sacroplasty under C-arm CT showed excellent technical success and good clinical outcome. There was an excellent correlation between C-arm CT and MDCT in evaluating cement distribution and cement leakage.
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