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KMID : 1143720230190030348
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Korean Journal of Neurotrauma
2023 Volume.19 No. 3 p.348 ~ p.355
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Open Surgery for Osteoporotic Compression Fracture Within One Month of Single Level Balloon Kyphoplasty
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Kim Chi-Ho
Kim Pius
Ju Chang-Il
Kim Seok-Won
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Abstract
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Objective : This study aimed to analyze the reasons for open surgery performed within one month of balloon kyphoplasty (BKP) for osteoporotic compression fractures.
Methods : This study included 15 patients treated with open surgery within one month of BKP in our institution from 2013 to 2020. Among them, 10 patients underwent BKP in our institution and 5 patients were transferred because of adverse events after undergoing BKP at another hospital. Clinical findings including main indications, neurological deficits, and clinical course were analyzed.
Results : All patients were followed up for at least 12 months after surgery (average time 15.5 months, range 12?39 months). Their mean age was 73.7 years and the mean T-score of the spine on bone densitometry was ?3.35. The main reasons for open surgery included dislodgement of the cement mass or spinal instability (7 cases, 47%), neural injury due to cement leakage (3 cases, 20%), and spinal cord injury caused by a puncture mistake (3 cases, 20%). Two patients developed acute spinal subdural hematoma, and spinal epidural fluid was pushed out at the back edge of the vertebral body following BKP without signs of major cement leakage into the spinal canal. At the final follow-up, 7 patients with cement mass dislodgement showed complete improvement of related symptoms after posterior fusion with screw fixation. Among the 8 patients with neural injury, 6 improved; however, 2 remained at the same American Spinal Injury Association level.
Conclusion : The main reasons for open surgery were cement mass dislodgement and neural injury caused by puncture errors or cement leakage into the spinal canal. It should be noted that proper selection of cases, detailed imaging evaluation, and optimal surgical techniques are key to reducing open surgery after BKP.
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KEYWORD
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Surgery, Kyphoplasty
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