Preoperative Cobb angle-guided surgical decision-making between percutaneous kyphoplasty and short-segment fixation with vertebroplasty in stage III Kümmell disease without neurological deficits: a two-center retrospective study - Takeaways - MDSpire

Guiding Surgical Choices in Stage III Kümmell Disease Without Neurological Deficits: A Retrospective Analysis of Preoperative Cobb Angle in Comparing Percutaneous Kyphoplasty and Short-Segment Fixation with Vertebroplasty Across Two Centers

  • By

  • Jun Hu

  • Long Tang

  • Yi Liu

  • Hong Yang

  • Yu Qiao

  • Xin Wang

  • July 17, 2026

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  • 1

    The study compared outcomes of percutaneous kyphoplasty (PKP) and short-segment fixation with vertebroplasty (SSF+VP) in stage III Kümmell disease.

  • 2

    A total of 117 patients without neurological deficits underwent surgery, with 71 receiving PKP and 46 undergoing SSF+VP.

  • 3

    PKP resulted in shorter operative time and greater early improvement in pain and function compared to SSF+VP.

  • 4

    SSF+VP demonstrated better maintenance of correction and lower pain levels at final follow-up, particularly in severe kyphosis cases.

  • 5

    The preoperative Cobb angle was identified as a predictive factor for residual pain after PKP, with an optimal cut-off of 25.95°.

Original Source(s)

Preoperative Cobb angle-guided surgical decision-making between percutaneous kyphoplasty and short-segment fixation with vertebroplasty in stage III Kümmell disease without neurological deficits: a two-center retrospective study

  • by Jun Hu, Long Tang, Yi Liu, Hong Yang, Yu Qiao, Xin Wang

  • July 17, 2026

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