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In vivo elongation of cortical suspension device after double bundle ACL reconstruction -A three dimensional MRI and CT study

In vivo elongation of cortical suspension device after double bundle ACL reconstruction -A three dimensional MRI and CT study - In vivo elongation of cortical suspension device after double bundle ACLR

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000022376
Enrollment
30
Registered
2016-05-20
Start date
2016-07-20
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Anterior cruciate ligament injury

Interventions

end button CL tight rope

Sponsors

chiba university hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: The patient corresponding to all of the following conditions of interest Grade2 or 3 in Lachman's test Lateral pivot shift test is positive and, visualization of the ACL torn on MRI examination. knee joint range of motion(flextion) is 120 degree or more Patients enforce the range of motion training and muscle strength maintenance training preoperative. the age less than 50 years from the epiphyseal line closed

Exclusion criteria

Exclusion criteria: The patients who falls under any of the following conditions are not included Reinjury Patients do not hope to sports activities and choose conservative treatment Patients who wish to surgery with autologous tendon other than hamstring tendon Patients with a medical disease that movement restriction has been instructed

Design outcomes

Primary

MeasureTime frame
Subjects will receive three-dimentional, proton emphasis fat suppression MR images(132 slices) captured by 3.0T GE within a week after reconstruction, at 3, 6, and 12 months post op. CT data will be collect within a week after surgery and 12 months after surgery. Graft position is to be assessed using MRI data by imaging software where slices that run through the axis of femoral tunnel are reconstructed and distance between bottom of bone socket and the tip of graft are measured.

Countries

Japan

Contacts

Public ContactYoshimasa Ono

chiba university hospital orthopedics

y.ono@kbe.biglobe.ne.jp043-222-7171

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026