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Minimally invasive transforaminal lumbar interbody fusion (MIS TLIF) using conventional fluoroscopy and 3D fluoroscopy-based navigation - a prospective, randomized comparative study regarding radiation exposure as well as radiological and clinical results.

Minimally invasive transforaminal lumbar interbody fusion (MIS TLIF) using conventional fluoroscopy and 3D fluoroscopy-based navigation - a prospective, randomized comparative study regarding radiation exposure as well as radiological and clinical results.

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00004514
Enrollment
55
Registered
2012-11-08
Start date
2013-02-07
Completion date
Unknown
Last updated
2025-04-07

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

Conditions

M53.26 M43.16 M43.17 M43.06 M47.26

Interventions

Group 1: Conventional fluoroscopy (FLUORO group) Group 2: 3D fluoroscopy-based navigation (NAV group)

Sponsors

Neurochirurgische Universitätsklinik Freiburg
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: • Full age to competent patients with planned mono- or bisegmental MIS TLIF between LWK 2 and SWK 1 due to degeneration and / or instability including spondylolisthesis Meyerding grade I and II. • Both imaging techniques are considered suitable for MIS TLIF. • No improvement in symptoms for at least 3 months under conservative treatment. • Pain score (VAS for low back pain) of at least 3/10.

Exclusion criteria

Exclusion criteria: • Previous surgery in the affected or directly adjacent vertebral segment. • Spondylodiscitis, traumatic instability, osteoporotic vertebral fractures, neoplastic disease of the operating segment(s), spondylolisthesis Meyerding grade III and IV. • Indication for stabilization > 2 segments. • One of the imaging techniques is not considered suitable for MIS TLIF. • Scoliosis with a Cobb angle > 10 ° in the operating segment(s).

Design outcomes

Primary

MeasureTime frame
Radiation exposure of the surgeon, operating room staff and patient per monosegmental MIS TLIF in the FLUORO and NAV group (measured with dosimeters)

Secondary

MeasureTime frame
- Radiation exposure of patients with bisegmental MIS TLIF in the FLUORO and NAV group - Radiation exposure of the surgeon, operating room staff and patient depending on the body mass index (BMI) of patients in the FLUORO and NAV group - Radiation exposure of the surgeon, operating room staff and patient per MIS TLIF with or without cement augmentation - Clinical outcome (examination findings, questionnaires), fusion rate (follow-up, 12 months) - Comparison of the accuracy of pedicle screws in the FLUORO and NAV group - Comparison of the parameters of the sagittal balance (C7 plumb line, segmental / lumbar lordosis, pelvic tilt, sacral slope, pelvic incidence) between follow-up (12 months) and preoperatively in the FLUORO and NAV group in lateral X-rays

Countries

Germany

Contacts

Public ContactJan-Helge Klingler

Neurochirurgische Universitätsklinik Freiburg

jan-helge.klingler@uniklinik-freiburg.de+49 761 270 50010

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Mar 5, 2026