Retrospective comparing fusion rate analysis of a TLIF PEEK cage according to the addressed spinal segments.

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00004832

Enrollment

Registered

2013-05-14

Start date

2013-08-15

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

Degnerative Discopathie, Postnukleotomiesyndrom, Osteochondrose, Neuroforamenstenose, Spondylolisthesis M40-M54

Interventions

Group 1: A retrospective analysis of cases treated with a TLIF procedure during 2009 and 2012 either monosegmental in level L3/4 bis L4/5 or bisegmental in levels L3 bis L5 is done. Fusion rate in ope

Eligibility

Sex/Gender

All

Age

18 Years to 99 Years

Inclusion criteria

Inclusion criteria: - age > 18 years - male and female - Surgery done with TLIF monosegmental (L4/5 or L5/S1) or bisegmental (L4-S1) - degenerative disc desease, postnucleotomy syndrome, spondylosis, neuroforaminal stenosis or spondylolisthesis

Exclusion criteria

Exclusion criteria: - Smoking - Diabets - Spondylodiscitis - Revision Surgery on former TLIF Procedures - former lumbar interbody fusion in other segments (non L4/5 and L5/S1)

Design outcomes

Primary

Measure	Time frame
Fusion rate: standarized X-ray of lumbar spine after minimum 6 months post OP	—

Secondary

Measure	Time frame
Oswestry Disability Index (ODI) Clinical Outcome Measurement (COMI Score) Patient Sactisfaction Index (PSI) Minimu 6 months up to 3 years post OP	—

Countries

Germany

Contacts

Public ContactMichael Breitenfelder

St. Marienkrankenhaus, Ludwigshafen am Rhein

michael.breitenfelder@st-marienkrankenhaus.de0621-5501-2680

Outcome results

None listed

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