• Pain physician · Nov 2015

    Percutaneous Kyphoplasty for Kummell Disease with Severe Spinal Canal Stenosis.

    • Guang-Dong Chen, Qi Lu, Gen-Lin Wang, Jun Zou, Hui-Lin Yang, Yan Yang, and Zong-Ping Luo.
    • Department of Orthopedics of 1st Affiliated Hospital and Orthopedic Institute of Soochow University, Jiangsu Province, China.
    • Pain Physician. 2015 Nov 1; 18 (6): E1021-8.

    BackgroundPercutaneous kyphoplasty (PKP) has been proven as an effective, minimally invasive procedure for the treatment of Kummell's disease in the early stages. However, a risk of cement leakage and further neurological damage remains during and after PKP, especially in chronic osteoporotic stage III Kummell's disease with severe spinal canal stenosis.ObjectiveTo evaluate the feasibility and efficacy of PKP for the treatment of chronic osteoporotic stage III Kummell's disease with severe spinal canal stenosis.Study DesignA retrospective evaluation of postoperative radiographs.SettingPain management clinic.MethodsA retrospective study was performed on 9 patients with 11 levels managed with PKP for chronic osteoporotic stage III Kummell's disease with severe spinal canal stenosis. Clinical and radiological outcomes were assessed.ResultsSubstantial pain relief was attained in all the patients. Both visual analogue scale (VAS) and Oswestry Disability Index (ODI) scores improved significantly from pre- to post-operation (P < 0.05), and remained unchanged at every follow-up. No neurological deterioration was found. Postoperatively, the anterior and midline vertebral body heights were significantly corrected (P < 0.05), and were sustained at the final follow-up. Similar results were seen in the correction of kyphotic angle. Neither cement leakage into the spinal canal nor further dislodging of the posterior vertebral fragments occurred. Two cases experienced subsequent fractures with one having a second PKP and the other being treated conservatively.LimitationsRetrospective study of 9 cases with 11 levels due partly to the rarity of the disorder.ConclusionsPKP is an effective, minimally invasive procedure for the treatment of chronic osteoporotic stage III Kummell's disease with severe spinal stenosis, leading to a significant relief of symptoms and improvement of functional status. INSTITUTIONAL REVIEW: This study was approved by the Institutional Review Board.

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