Cranial facet joint injury in minmal-invasive implantation of pedicle screws - Conparison of conventional fluoroscopy and intraoperative 3D navigation

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00013634

Enrollment

400

Registered

2018-06-05

Start date

2016-10-01

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

M43.19

Interventions

Group 1: Evaluation of screw placement (position and degree of facet joint injury) during minimally invasive TLIF surgery using intraoperative navigation [NAV group]. Group 2: Evaluation of screw plac

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with minimal-invasive, lumbal, transforaminal, intercorporal disk fusion [MIS-TLIF] between January 2006 and May 2015 at our department.

Exclusion criteria

Exclusion criteria: a) age under 18 years, b) open surgery, c) missing follow-up CT of the lumbal spine

Design outcomes

Primary

Measure	Time frame
Number of cranial facet joint injuries in patients treated with MIS-TLIF and fluoroscopy-guided or navigation-guided screw placement	—

Secondary

Measure	Time frame
Association of these injuries to lumbal segment, body-mass-index and surgical revisions	—

Countries

Germany

Contacts

Public ContactMarc Hohenhaus

Klinik für Neurochirurgie, Universitätsklinikum Freiburg

marc.hohenhaus@uniklinik-freiburg.de076127050010

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026