Percutaneous pedicle screw fixation combined with percutaneous vertebroplasty for the treatment of thoracic and lumbar metastatic tumors
Background and aim: With the greatly prolonged survival of cancer patients, more and more patients develop bone metastasis, especially spinal metastasis. Therefore, it is very important to choose the best surgical plan for patients with spinal metastasis in different conditions. This paper aims to evaluate the clinical efficacy of percutaneous pedicle screw fixation (PPSF) combined with percutaneous vertebroplasty (PVP) for the treatment of thoracic and lumbar metastatic tumors.
Methods: Forty patients with thoracic and lumbar metastatic tumors were treated with PPSF combined with PVP and followed up for 6-33 months. The visual analogue scale (VAS) and the Barthel Index of Activities of Daily Living (BIADL) were used to evaluate the pain intensity and quality of life before surgery and at 7 days, 3 months, and 6 months after treatment.
Results: In this study, a total of 40 patients were followed up for 6-33 months (the mean time was 14.87 months). The VAS scores of all patients were significantly decreased, while the BIADL scores were significantly increased. No patients suffered from complications such as infection, pedicle screw loosening or polymethyl methacrylate (PMMA) leakage. Spine stability was observed in all surviving patients during the follow-up.
Conclusions: PPSF combined with PVP is a new and viable treatment for thoracolumbar metastases in patients with a poor systemic condition, patients who refuse to undergo a conventional open procedure such as en bloc corpectomy, and in patients with vertebral instability or pathological fracture without significant spinal compression.
Relevance for Patients: Patients with spinal metastases have a great risk of spinal instability and even spinal cord compression while enduring pain. Therefore, timely and appropriate surgical treatment is an effective means to stabilize the spine and avoid spinal cord compression. PPSF combined with PVP is an effective new surgical method for the treatment of multilevel spinal metastases.
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