{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T14:01:24Z","timestamp":1780495284206,"version":"3.54.1"},"reference-count":34,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2020,6,23]],"date-time":"2020-06-23T00:00:00Z","timestamp":1592870400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Orthopaedic Surgery"],"published-print":{"date-parts":[[2020,8]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To evaluate the safety and efficacy of O\u2010arm\u2010guided minimally invasive pedicle screw fixation combined with percutaneous kyphoplasty for metastatic spinal tumors with posterior wall destruction.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Patients who underwent minimally invasive pedicle screw fixation combined with percutaneous kyphoplasty for pathological vertebral fractures with posterior wall defects from January 2015 to December 2017 were followed up for 1\u2009year. Visual analogue scale (VAS), SF\u201036 scores, middle vertebral height, posterior vertebral height, and the accuracy of pedicle screws were assessed preoperatively, postoperatively, and 1\u2009year after surgery. The operation time, time from operation to discharge, blood loss, volume of bone cement, and leakage of bone cement were recorded.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Twenty\u2010three patients (13 females and 10 males) who met our criteria were followed up for 1\u2009year. The operation time of these patients was 162.61\u2009\u00b1\u200933.47\u2009min, the amount of bleeding was 230.87\u2009\u00b1\u200993.76\u2009mL, the time from operation to discharge was 4.35\u2009\u00b1\u20092.42\u2009days, and the volume of bone cement was 3.67\u2009\u00b1\u20090.63\u2009mL. The VAS score decreased from 7.04\u2009\u00b1\u20091.07 to 2.65\u2009\u00b1\u20090.93 before surgery (<jats:italic>P<\/jats:italic> = 0.000) and remained at 2.57\u2009\u00b1\u20090.79 1\u2009year after surgery. Compared with the preoperative SF\u201036 scores for physical pain, physiological function, energy, and social function, the postoperative scores were significantly improved (<jats:italic>P<\/jats:italic> = 0.000). The height of the middle vertebral body increased from 14.47\u2009\u00b1\u20092.96\u2009mm before surgery to 20.18\u2009\u00b1\u20092.94\u2009mm (<jats:italic>P<\/jats:italic> = 0.000), and remained at 20.44 to 3.01\u2009mm 1\u2009year after surgery. The height of the posterior vertebral body increased from 16.56\u2009\u00b1\u20093.07\u2009mm before operation to 22.79\u2009\u00b1\u20094.00\u2009mm (<jats:italic>P<\/jats:italic> = 0.000), and 22.45\u2009\u00b1\u20093.88\u2009mm 1\u2009year after surgery. The 23 patients had a total of 92 pedicle screws; 85 screws were Grade A and 7 screws were Grade B. There was no leakage of bone cement after surgery.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>In the short term, O\u2010arm\u2010guided minimally invasive pedicle screw fixation combined with kyphoplasty is safe and effective in the treatment of metastatic spinal tumors with posterior wall destruction.<\/jats:p><\/jats:sec>","DOI":"10.1111\/os.12712","type":"journal-article","created":{"date-parts":[[2020,6,24]],"date-time":"2020-06-24T02:30:10Z","timestamp":1592965810000},"page":"1131-1139","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Minimally Invasive Pedicle Screw Fixation Combined with Percutaneous Kyphoplasty Under O\u2010Arm Navigation for the Treatment of Metastatic Spinal Tumors with Posterior Wall Destruction"],"prefix":"10.1111","volume":"12","author":[{"given":"Zhang\u2010zhe","family":"Zhou","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery 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