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3D Printing in Preoperative Planning in Thoracic and Lumbar Spine Trauma

Impact of 3D Printed Models on Preoperative Planing in Thoracic and Lumbar Spine Trauma

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07727161
Enrollment
16
Registered
2026-07-27
Start date
2026-07-07
Completion date
2027-04-15
Last updated
2026-07-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Spine Trauma (Thoracic and Lumbar)

Brief summary

Case series of 16 patients with lower lumbar or lower thoracic traumatic injuries treated with pedicle screw fixation. Patients were divided into two groups (n≈8 per group). The control group underwent standard fluoroscopy-controlled pedicle screw fixation with conventional preoperative CT planning. The experimental group underwent identical fluoroscopy-controlled fixation with preoperative planning using a patient-specific 3D-printed model.

Interventions

PROCEDURESpine stabilization using CT planning

Spine stabilization using CT planning

PROCEDURESpine stabilization using 3D-printed model planning

Spine stabilization using 3D-printed model planning

Sponsors

Masarykova Nemocnice v Usti nad Labem, Krajska Zdravotni a.s.
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Subject)

Eligibility

Sex/Gender
ALL
Healthy volunteers
No

Inclusion criteria

* Single vertebra AO A2-A4 thoracic or lumbar spine fracture indicated for spine fixation.

Exclusion criteria

* Neurological impairment caused by the fracture.

Design outcomes

Primary

MeasureTime frameDescription
Blood LossPeroperative (during surgery)The amount of blood lost during the surgical procedure, measured in mililitres (mL). This outcome measure has no fixed upper limit and can vary widely, typically between 10 and 1,000 mL.

Secondary

MeasureTime frameDescription
Surgical durationPeroperative (during surgery)The operation time measured in minutes. This measure does not have a specific upper limit and can reach various values, typically between 30-90 minutes.
Pedicle screw placement accuracyThe parameter will be measured once on the first postoperative dayWe will measure the accuracy of pedicle screw placement using the postoperative CT scan. Specifically, axial CT slices will be used to assess the positioning of the screw thread within the pedicle, i.e., its distance in millimeters from the cortical margins of the pedicle according to the Rampersaud classification: A: completely within pedicle B: cortical breach \< 2 mm (often considered clinically acceptable) C: cortical breach 2-4 mm D: cortical breach \> 4 mm (more likely clinically significant)
Incision lengthThis parameter will be assessed during the postoperative period, specifically on the day of suture removal, which is typically on day 10-14 after surgery.Incision length measured with a standard ruler. This outcome measure does not have a physiological range and can vary individually, typically 10-15 centimeters in bisegmental spine fixation.

Countries

Czechia

Contacts

CONTACTMarek Zrzavecky, M.D.
marek.zrzavecky@kzcr.eu+420 775 714 266

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jul 28, 2026