Orthopaedic surgery · 2012
Value of bone scan imaging in determining painful vertebrae of osteoporotic vertebral compression fractures patients with contraindications to MRI.
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Tang Zhi-bing, Lei Zhang, Yang Hui-lin, Chen Kang-wu
Аннотация
OBJECTIVE: To assess the value of bone scan imaging in determining painful vertebrae of osteoporotic vertebral compression fractures (OVCFs) patients with contraindications to MRI.
METHODS: Twenty-three OVCFs patients with contraindications to MRI, diagnosed and treated in our hospital between December 2007 and November 2010, were enrolled in this retrospective study. There were 18 females and five males, aged from 57 to 87 years, with a mean age of 69.5 years. All patients underwent X-ray, CT scans examinations and bone scan to determine painful vertebrae. After the painful vertebra was defined, percutaneous kyphoplasty (PKP) was performed. Efficacy of PKP was assessed with visual analog (VAS) pain scale and the Oswestry Disability Index (ODI) preoperatively, postoperatively and during final follow-up assessments.
RESULTS: The painful vertebrae shown on radiological films did not accord with those found based on bone scan imaging, with a high rate of incongruent findings (27.3%, 9/33). Radiological films showed 33 vertebrae with fractures, but only 26 vertebrae (22 patients) were selected as painful vertebrae for PKP based on bone scan imaging. There were statistically significant differences in mean VAS and ODI between the preoperative and the postoperative assessments; no significant differences were observed between postoperative and final follow-up assessments.
CONCLUSIONS: For the OVCFs patients with contraindications to MRI, bone scan imaging could be used to determine painful vertebrae, which is an effective method.
METHODS: Twenty-three OVCFs patients with contraindications to MRI, diagnosed and treated in our hospital between December 2007 and November 2010, were enrolled in this retrospective study. There were 18 females and five males, aged from 57 to 87 years, with a mean age of 69.5 years. All patients underwent X-ray, CT scans examinations and bone scan to determine painful vertebrae. After the painful vertebra was defined, percutaneous kyphoplasty (PKP) was performed. Efficacy of PKP was assessed with visual analog (VAS) pain scale and the Oswestry Disability Index (ODI) preoperatively, postoperatively and during final follow-up assessments.
RESULTS: The painful vertebrae shown on radiological films did not accord with those found based on bone scan imaging, with a high rate of incongruent findings (27.3%, 9/33). Radiological films showed 33 vertebrae with fractures, but only 26 vertebrae (22 patients) were selected as painful vertebrae for PKP based on bone scan imaging. There were statistically significant differences in mean VAS and ODI between the preoperative and the postoperative assessments; no significant differences were observed between postoperative and final follow-up assessments.
CONCLUSIONS: For the OVCFs patients with contraindications to MRI, bone scan imaging could be used to determine painful vertebrae, which is an effective method.