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Comparison of GAP-score With Schwab-score

Failure Prediction of Adult Spinal Deformity Surgery Comparing GAP-score With Schwab-score

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT03859609
Enrollment
94
Registered
2019-03-01
Start date
2019-03-01
Completion date
2019-06-30
Last updated
2019-08-16

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

Conditions

Adjacent Segment Degeneration, Spinal Fusion

Keywords

GAP-score, Schwab score, Proximal Junctional Failure, Spinal Fusion

Brief summary

The predictive value of two different score-systems with regard to failure rate following long extent spinal fusion is subject of evaluation.

Detailed description

The multilevel spinal fusion is associated with high rate of failure. This results from insufficient adaptation of the fused spine to the proper individual spinal alignment. In the recent years, comprehensive understanding of spinal alignment and definition of several parameters contributed to develop score systems to evaluate the alignment of the multilevel spinal fusion and to predict failure. In the following study the results of multilevel spinal fusion were evaluated retrospectively according to two scoring systems: GAP-score und Schwab-score. The predictive value of each score system is analyzed by the correlation of the failure rate with its corresponding score value.

Interventions

PROCEDURESpinal Fusion

Spinal alignment was evaluated according to two different score-systems

Sponsors

Mohammad ARAB MOTLAGH
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
RETROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* 3 and more fusion levels

Exclusion criteria

* Neuromuscular disease

Design outcomes

Primary

MeasureTime frameDescription
Radiological Evaluation2 monthsPelvic tilt in degree, Pelvic incidence in degree, Sacral slope in degree, Lumbar lordosis in degree, L5-S1 lordosis in degree, Thoracic kyphosis in degree, Sagittal vertical axis in degree, Thoracolumbar kyphosis in degree, Global tilt in degree, Cobb angle in degree

Countries

Germany

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026