Related Experiment Video
Updated: Jul 11, 2026
Three-Dimensional Printing Guide Template Assisted Percutaneous Vertebroplasty PVP
Published on: October 17, 2019
Unilateral Percutaneous Curved Kyphoplasty versus Bilateral Percutaneous Kyphoplasty for the Treatment of
Chuanjiang Xie1, Hong Tang1, Gang Liu1
1Department of Orthopedics, Nanan District People's Hospital, Chongqing, People's Republic of China.
Objective:
This study compared unilateral percutaneous curved kyphoplasty (PCK) and bilateral percutaneous kyphoplasty (PKP) for treating single-level osteoporotic vertebral compression fractures (OVCFs).
Methods:
A retrospective analysis was conducted on patients with single-level OVCF treated with either unilateral PCK or bilateral PKP between September 2023 and December 2024. Clinical and radiographic evaluations were performed preoperatively and postoperatively at 1 day, 1, 3, 6 months, and at the latest available follow-up. The final data analysis was conducted in July 2025. Given the study period, the latest follow-up time varied among patients, ranging from 6 to 12 months. The median follow-up time for the entire cohort was 12 months. Parameters assessed included operative time, blood loss, fluoroscopy frequency, cement volume, cement leakage, visual analogue scale (VAS) scores, Oswestry Disability Index (ODI), vertebral height restoration, Cobb angle correction, and complication rates.
Results:
The PCK group showed superior intraoperative outcomes, including shorter operative time (37.44 ± 6.52 min vs 44.56 ± 7.74 min), reduced blood loss (8.78 ± 2.91 mL vs 12.81 ± 2.51 mL), fewer fluoroscopic exposures (15.37 ± 2.09 vs 21.79 ± 2.46), and lower cement volume (4.62 ± 0.60 mL vs 5.14 ± 0.69 mL). Cement leakage was significantly less frequent with PCK (4.9% vs 18.8%). Both techniques achieved equivalent long-term clinical results, with no significant differences in VAS scores, ODI scores, vertebral height maintenance, Cobb angle correction, or refracture rates at final follow-up. No major complications occurred in either group.
Conclusion:
In this retrospective cohort, with a median follow-up of 12 months, unilateral PCK achieved clinical outcomes comparable to those of bilateral PKP. Furthermore, PCK was associated with superior intraoperative efficiency and reduced radiation exposure. These results suggest that PCK may be a viable and advantageous surgical alternative; however, these findings warrant validation in future randomised controlled trials.
