- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02963571
Posterior Percutaneous Pedicle Screw Fixation for Acute Thoracolumbar Vertebral Fractures
Posterior Percutaneous Pedicle Screw Fixation for Acute Thoracolumbar Vertebral Fractures With Simple Anterior Spinal Column Injury: a Retrospective, Self-controlled Trial
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
History and current related studies Thoracolumbar spinal fractures are frequently seen after trauma because of the biomechanical transitional junction of this structure. The primary treatment method used for traumatic thoracolumbar spinal fracture is posterior pedicle screw fixation, but this method has some disadvantages including severe trauma, extensive bleeding, long rehabilitation time, and long postoperative duration of intractable lumbar stiffness and low back pain. These complications occur mainly because of wide stripping and injury of the paraspinal muscles and peri-articular denervation. Percutaneous pedicle screw external fixation of spine fracture can reduce injury caused by screw insertion into the paraspinal muscles, particularly in the treatment of acute thoracolumbar vertebral compression fracture with simple anterior spinal column injury.
Adverse events We recorded possible adverse events, including wound pain, infection, back muscle pain, spinal cord/nerve injury, screw pull-out, or screw loosening. If severe adverse events occurred, details including the data of occurrence and measures taken to treat the adverse events were reported to the principle investigator and the institutional review board within 24 hours.
Possible biases and management measures Possible biases
- Diagnosis bias
- Admission rate bias (hospitalized patients were preferred to reduce loss to follow-up and to increase compliance)
- No response bias (subjects not responding to the questionnaire or not responding truthfully)
- Mixed bias (sex and age) Measures taken to control possible biases
- Formulation of strict inclusion and exclusion criteria
- Ensuring sample independence
- Discussion of the mixed factors that may potentially influence the curative effects, such as pathological factors, course of disease, and sex
Statistical analysis Statistical analysis was performed by a statistician using SPSS 19.0 software (IBM, Amrok, USA), and was conducted following the intention-to-treat principle. Normally distributed measurement data were expressed as the mean ± SD, and minimums and maximums. Non-normally distributed measurement data were expressed as lower quartile (q1), and median and upper quartile (q3). The Wilcoxon matched-pairs signed-ranks test was performed for comparison of the Cobb angle before surgery with the Cobb angle 3 years after surgery, and the McNemar's chi-squared test was used to compare the incidence of adverse reactions. The significance level was α = 0.05.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Meet the diagnostic criteria of acute thoracolumbar vertebral fracture with simple anterior spinal column injury as confirmed by radiography, CT and MRI
- AO classification type A
- Thoracolumbar injury severity score of 4-5 (Park et al., 2016)
- Traumatic fracture
- Age 25-47 years
Exclusion Criteria:
- Fracture complicated by spinal cord injury
- Fracture complicated by nerve injury
- Refusal to provide informed consent
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: screw fixation
The patients underwent minimally invasive posterior percutaneous pedicle screw internal fixation.
|
The patients underwent minimally invasive posterior percutaneous pedicle screw fixation in acute thoracolumbar vertebral fractures with simple anterior spinal column injury.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The Cobb angle of the injured vertebral body
Time Frame: before, immediately after, and 3 months after surgery
|
To investigate the change in the thoracolumbar spine curvature.
A greater Cobb angle indicates more severe kyphosis.
|
before, immediately after, and 3 months after surgery
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Anterior height of the injured vertebral body
Time Frame: before, immediately after, and 3 months after surgery
|
To evaluate the morphological recovery of the thoracolumbar spine.
A smaller anterior height of the injured vertebral body indicates less severe injury to the vertebral body.
|
before, immediately after, and 3 months after surgery
|
X-ray
Time Frame: before, immediately after, and 3 months after surgery
|
before, immediately after, and 3 months after surgery
|
Collaborators and Investigators
Investigators
- Principal Investigator: Lei Liang, Master, PLA 153 Central Hospital
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 153PLA_001
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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