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  • Title: [A comparison study of clinical application between balloon percutaneous kyphoplasty and "Sky-bone expander" percutaneous kyphoplasty].
    Author: Zheng ZM, Kuang GM, Dong ZY, Li FB, Wan Y.
    Journal: Zhonghua Wai Ke Za Zhi; 2006 Dec 15; 44(24):1667-71. PubMed ID: 17359710.
    Abstract:
    OBJECTIVE: To compare the clinical results of balloon percutaneous kyphoplasty (PKP) and "Sky-bone expander" PKP. METHODS: From October 2004 to February 2006, 25 cases (57 vertebrae) balloon PKP and 24 cases (29 vertebrae) "Sky-bone expander" PKP procedures were performed. The operation time, bleeding volume, cement injected volume were recorded during operation. The patients' pain relief and functional activities recovery were evaluated after operation. The distribution of the cement and the restoration of vertebral height were also observed post-operation. All these patients were followed-up by telephone or clinic consults after discharged. RESULTS: All cases were successfully experienced procedures. There are no significant differences in operative time, bleeding volume and cost of every vertebrae in these two group (P > 0.05). The balloon group had larger cement injected volume per pedicle than Sky group (4.27 +/- 1.08) ml vs. (3.15 +/- 0.78) ml (P < 0.05). The VAS and ODI scoring of these two groups were both decreased significantly after operation. The vertebral height were restored in both two groups with anterior height and midline height restored significantly in balloon group and midline height restored significantly in Sky group. The cement distribution of "Sky-bone expander" PKP with unipediclar injection mostly limited in the injective side of the vertebral body, but most of the balloon PKP vertebrae with unipediclar injection can be seen a cross-midline cement distribution in the anterior-posterior position X ray film. CONCLUSIONS: Both balloon PKP and "Sky-bone expander" PKP are efficacious and safety in the treatment of vertebral compression fractures. "Sky-bone expander" PKP is more suitable for single level compressive fracture while balloon PKP is especially suitable for multiple level compressive fractures.
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