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KMID : 1189320190130030459
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Asian Spine Journal
2019 Volume.13 No. 3 p.459 ~ p.467
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The Outcome of Radiofrequency Kyphoplasty in the Treatment of Vertebral Compression Fractures in Osteoporotic Patients
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Hegazy Ramy
El-Mowafi Hesham
Hadhood Mahmood
Hannout Yasser
Allam Yasser
Silbermann Jeorg
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Abstract
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Study Design: Retrospective study.
Purpose: The study aims to assess the effectiveness and safety of radiofrequency (RF) kyphoplasty in the treatment of vertebral compression fractures (VCFs) in osteoporotic patients.
Overview of Literature: Vertebroplasty and balloon kyphoplasty are established procedures for the treatment of osteoporotic VCFs. However, RF kyphoplasty is a new method which controls cement viscosity.
Methods: We reviewed the results of 41 consecutive patients with 23 thoracic and 38 lumbar VCFs who underwent RF kyphoplasty. The study population included 14 males (34%) and 27 females (66%). The mean patients age was 78 years (range, 51?89 years), and the follow-up period was 1 year. Clinical and radiographic analyses were performed during follow-up at 6 weeks, 6 months, and 1 year. All patients were assessed clinically pre- and postoperative using the Visual Analog Scale (VAS) and Oswestry Disability Index (ODI). Radiological assessment with X-ray in two views preoperatively, postoperatively, and during follow-up visits.
Results: The mean preoperative VAS was 8.7 (range, 5?10; standard deviation [SD], 1.2). Postoperatively, VAS decreased by 3.3 (range, 2?5; SD, 0.9). At the end of the follow-up, VAS decreased by 1.22 (range, 0?7; SD, 1.6). The mean preoperative ODI score was 85.9, decreasing to 9.6 postoperatively and improving to 18.4 during the 1-year follow-up. The mean local kyphotic angle was 9.04° before the procedure and decreased by a mean of 6.16° after the operation and at the end of the follow-up. The mean increase in vertebral body height was 3.3 mm postoperatively and after 1-year follow-up. The rate of cement leakage was 8% (five out of 61 levels of fracture).
Conclusions: RF kyphoplasty is a safe and effective augmentation technique with an advantage of controlling the cement viscosity to minimize the risk of cement leakage. It also shortens operation time.
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KEYWORD
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Vertebral fractures, Osteoporosis, Radiofrequency, Kyphoplasty
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