Related Experiment Video
Updated: Aug 8, 2026
08:03
In Vivo Mouse Model of Spinal Implant Infection
Published on: June 23, 2020
Incidence and Independent Risk Factors of Spinal Infection After Vertebral Augmentation: A Multicenter
Rongbin Chen1, Jianquan Chen1, Tianhang Xuan2
1Guangdong Province Hospital of Chinese Medicine Zhuhai Branch, Zhuhai, China.
Neurospine
|August 7, 2026
Summary
The incidence of spinal infection after vertebral augmentation (SIAVA) is 0.54%. Key risk factors include preoperative pulmonary infection, MRI fluid signs, cement leakage, and low serum albumin, aiding in risk reduction.
Area of Science:
- Orthopedics
- Neurosurgery
- Infectious Disease
Background:
- Vertebral augmentation (PVA) is a common procedure for osteoporotic vertebral compression fractures.
- Spinal infection after vertebral augmentation (SIAVA) is a serious complication.
- Identifying risk factors for SIAVA is crucial for patient safety.
Purpose of the Study:
- To determine the incidence of SIAVA.
- To identify independent risk factors associated with SIAVA.
Main Methods:
- A multicenter, retrospective case-control study involving 7,797 PVA procedures.
- Propensity score matching was used to select 126 controls for 42 SIAVA cases.
- LASSO and multivariable conditional logistic regression identified risk factors.
Main Results:
- The incidence of SIAVA was 0.54% (42 cases out of 7,797 procedures).
- Independent risk factors identified: preoperative pulmonary infection (OR 3.64), intravertebral fluid sign on MRI (OR 6.17), type D cement leakage (OR 2.93), and serum albumin ≤35 g/L (OR 3.29).
- Median time to diagnosis was 4.3 weeks; 59.5% required revision surgery, and 4.8% experienced mortality.
Conclusions:
- SIAVA occurs in 0.54% of PVA procedures.
- Preoperative pulmonary infection, intravertebral fluid sign on MRI, type D cement leakage, and low serum albumin are significant independent risk factors.
- These findings support the development of preoperative risk-reduction strategies for SIAVA.
