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Can an unipedicular approach replace bipedicular percutaneous vertebroplasty for osteoporotic vertebral compression
Wentao Wang1, Kun Duan2, Minjie Ma1
1Department of Spine Surgery, Honghui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an 710054, Shaanxi, China.
Objective:
To compare outcomes of unipedicular versus bipedicular approach for percutaneous vertebroplasty for the treatment of thoracolumbar acute osteoporotic vertebral compression fracture (AOVCF).
Method:
From November 2014 to September 2015, 382 patients with AOVCF were randomly assigned to the unipedicular and bipedicular groups. Clinical outcomes and complications were compared.
Results:
Both groups were comparable with respect to bone cement leakage and adjacent vertebral fractures (P> 0.05). Although the bipedicular approach was found to be superior in terms of reduction of kyphosis and loss of reduction, frequency of x-ray fluoroscopy, VAS and ODI scores, the volume of cement injected and operating time, the between-group differences were not statistically significant (P> 0.05). Nerve root stimulation was more frequent in the unipedicular group (P< 0.05).
Conclusions:
The clinical and radiological outcomes of both procedures were comparable. The unipedicular approach was associated with more nerve root stimulation.
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