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Kyphoplasty - Springer Nature

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Last Updated: 27 July 2022

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The influence of diverse bone cement distribution patterns for metastatic vertebral lesions after bilateral percutaneous kyphoplasty

After bilateral percutaneous kyphoplasty, the aim is to determine the effect of many bone cement distribution patterns in patients with metastatic vertebral lesions. Fifty-nine patients with single-level metastatic vertebral lesions who had bilateral PKP were retrospectively reviewed. Patients were divided into confluent and separated groups according to the various bone cement distribution methods. Conclusions: In PKP for patients with metastatic vertebral lesions, more rapid pain relief was obtained with confluent rather than distinct bone cement distribution patterns.

Source link: https://doi.org/10.1186/s12891-022-05680-4


Radiographic adjacent segment degeneration and risk factors for osteoporotic vertebral compression fractures treated with percutaneous kyphoplasty

Purpose Objectives We aimed to determine if osteoporotic vertebral compression fracture following percutaneous kyphoplasty was associated with a high risk of radiographic adjacent segment degeneration in these individuals and identify the risk factors for radiographic ASD in these individuals. Methods We retrospectively reviewed prospective patients with OVCF who underwent PKP at our hospital between November 2015 and January 2021. ASD prevalence was estimated, and specific subgroups of ASD were identified. ASD that resulted from natural degeneration was 56% in this study. Patients with OVCF who underwent PKP were at a high risk of experiencing radiographic ASD, particularly disc degeneration. Patients with OVCFs who underwent PKP were more likely to experience radiographic ASD, and their progression was distinct from natural degeneration. In these patients, an independent risk factors for developing radiographic ASD were determined as intradiscal cement leakage and preoperative disc height.

Source link: https://doi.org/10.1007/s00264-022-05510-1


A finite element analysis on different bone cement forms and injection volumes injected into lumbar vertebral body in percutaneous kyphoplasty

Objectives: After percutaneous kyphoplasty by establishing a three-dimensional finite element model of osteoporosis, it was determined that the stress shifts between different bone cement types and injection volumes in adjacent vertebrae. After percutaneous kyphoplasty was applied to the L2 vertebral body, some significant differences can be discovered between different cement injection volumes and cement morphology on adjacent structures. When the bone cement injection volume was 2 ml, there was no significant difference between the two groups. When the amount of bone cement injected was 4 ml, the bone cement morphology of the bilateral integration group caused less friction between adjacent vertebral bodies. Conclusions According to the present finite element analysis, bilateral integration bone cement is a safe method of cement injection, and when the injection volume is 4 ml, it reduces stress on adjacent segments by about 15% while still maintaining the integrity of the injection vertebral body.

Source link: https://doi.org/10.1186/s12891-022-05522-3

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions