Clinical data collection
Low back pain, pain, organ failure, primary malignant tumor, Cancer
PRIMARY TUMOR, DISEASES OF THE HEART, SPINAL METASTASES, CANCER
The subjects of this study were inpatients in the Department of Orthopedics, Chengdu Seventh People’s Hospital (Affiliated Cancer Hospital of Chengdu Medical College), between February 2016 and June 2019.The inclusion criteria were (a) clinical diagnosis of spinal metastases with a pathological diagnosis of the primary tumor or diseased vertebral body, (b) osteogenetic destruction of the lumbosacral vertebrae, (c) Low back pain is the main clinical manifestation, (d) expected survival time > 3 months, (e) Frankel classification of spinal cord function evaluation grade D, Karnofsky Performance Status (KPS) score > 60 points, (f) systemic conditions permit the procedure; no serious diseases of the heart and brain and other important organs, and ability to lie in the prone position for 1–2 h (g) persistent pain, no significant improvement with drugs, physical therapy, among others. (h) All patients received conventional chemotherapy and other comprehensive treatments according to the primary tumor regimen after the operation.The exclusion criteria were as follows: (a) diagnosed as primary malignant tumor of the spine, (b) refused or unable to cooperate with the completion of clinical data collection or follow-up because of objective reasons, (c) patients or their family members refuse surgical treatment, (d) KPS score ≤ 40 or combined with heart, lung and other organ failure and unable to tolerate surgery.