Measurements Of Lower Limbs And Spine Based On Biplanar Radiographs: Microdose Compared To Standard Dose Protocol

Two-dimensional And Three-dimensional Measurements Of Torsion And Length Of Lower Limbs And Spine Based On Biplanar Radiographs: Microdose Imaging Protocol Compared To Standard Dose Imaging Protocol

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT02332018

Enrollment

100

Registered

2015-01-06

Start date

2014-07-31

Completion date

2016-01-06

Last updated

2017-02-20

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

Conditions

Scoliosis, Underdevelopment; Congenital Malformation, Lower Limb

Brief summary

Evaluation of accuracy and reliability of 2D and 3D measurements of the spine and lower limbs in adults based on biplanar radiographs with MicroDose protocol compared to a standard dose protocol

Detailed description

Evaluation of accuracy and reliability of 2D and 3D measurements of the spine and lower limbs in adults based on biplanar radiographs with MicroDose protocol compared to a standard dose protocol Part 1: retrospective evaluation of 50 patients: lower limb images with MicroDose protocol and lower limb images with standard dose protocol Part 2: prospective evaluation of 100 patients: lower limb images with MicroDose protocol and lower limb images with standard dose protocol Part 3: prospective evaluation of 150 patients: spine images with MicroDose protocol and spine limb images with standard dose protocol

Interventions

RADIATIONBiplanar x-ray images

biplanar x-ray images with microdose and low-dose protocol

Study design

Observational model

COHORT

Time perspective

OTHER

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Yes

Inclusion criteria

* Inclusion: All patients referred for biplanar radiographs of spine and lower limb (from 18 to 99 years of age)

Exclusion criteria

Design outcomes

Primary

Measure	Time frame
2D- and 3D- measurements (torsion angles, scoliotic and kyphotic angles, length etc.) on biplanar radiographs with and without MicroDose-protocol and comparison of image quality parameters	12 month

Countries

Switzerland

Outcome results

None listed

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