Comparison of near- and midterm outcomes of two unilateral percutaneous translaminar vertebral kyphoplasty procedures for the treatment of single-segment OVCF: a single-center randomized controlled study
Abstract
Background: Osteoporotic vertebral compression fractures (OVCFs) have become a significant public health concern due to the high morbidity and limited efficacy of conservative treatment. Conventional unilateral percutaneous vertebral kyphoplasty (UPKP) is beset by technical limitations, including the uneven distribution of cement and the inherent risk of leakage. Conversely, percutaneous curved kyphoplasty (PCKP) involves the creation of an accessible contralateral bone tunnel through a curved bone auger, a technique that, in theory, optimizes cement distribution. However, the clinical benefits of PCKP remain a subject of debate.
Objective: To prospectively compare the difference in near- and midterm efficacy between PCKP and UPKP for the treatment of single-segment OVCFs, and to clarify the clinical value of PCKP.
Methodology: A total of 89 patients with single-segment OVCFs were selected from October 2021 to March 2024 and divided into two groups: the PCKP group (n = 43) and the UPKP group (n = 46). At the 12-month follow-up, pain visual analog scores (VAS, Oswestry Dysfunction Index (ODI)) and cement distribution were assessed preoperatively, at 2 days, 3 months, and 12 months postoperatively. The duration of surgery was recorded, as were the number of fluoroscopy, bone cement dose, and complications. Compare the two sets of parameters.
Results: (1) Functional improvement: the VAS score and ODI of patients in PCKP group was better than that of UPKP group at 2 days…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 89 participants or records.
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