NCT02801474

Brief Summary

Patients with a posterior malleolar fracture were recruited and assigned to the direct reduction (DR) group or the indirect reduction (IR) group. Following reduction and fixation of the fracture, the quality of fracture reduction was evaluated in radiograph and CT images. Functional outcome was evaluated at the last follow-up.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
148

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Jan 2012

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 1, 2012

Completed
3.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2015

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2015

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

June 1, 2016

Completed
14 days until next milestone

First Posted

Study publicly available on registry

June 15, 2016

Completed
Last Updated

June 17, 2016

Status Verified

June 1, 2016

Enrollment Period

3.9 years

First QC Date

June 1, 2016

Last Update Submit

June 15, 2016

Conditions

Outcome Measures

Primary Outcomes (1)

  • American Orthopaedic Foot and Ankle Society ankle-hindfoot score

    1 year

Secondary Outcomes (2)

  • ankle range of motion in degrees

    1 year

  • residual displacement of the posterior malleolus in mm

    3 days postoperatively

Study Arms (2)

direct reduction

EXPERIMENTAL

Intervention: The posterior and lateral malleoli were accessed via a posterolateral approach with the patients in prone position. The fibular fracture was exposed and reduced anatomically in the first place. The posterior malleolus was then exposed between the fiexor halluces longus and peroneus longus interval. The posterior malleolar fragment was then reduced with reference to the typical metaphyseal-diaphyseal spike of the posterior malleolus. One-third tubular plate, reconstruction plate, or distal radius plate were applied spanning the fracture in a buttress mode. Cannulated screws could also be used.

Procedure: direct fracture reduction and fixation

indirect reduction

EXPERIMENTAL

Intervention: After open reduction and internal fixation of lateral and medial malleolar fractures, the posterior malleolus was then reduced through ligamentotaxis with the ankle in dorsiflexion. One or two 4.0 mm cannulated screws were used to fix the posterior malleolar in anterior-to-posterior direction.

Procedure: indirect fracture reduction and fixation

Interventions

In the DR group, the posterior malleolar fracture was reduced and fixed in a direct way via a posterolateral approach with the patients in prone position.

direct reduction

In the IR group, the posterior malleolus was reduced through ligamentotaxis following open reduction and internal fixation of lateral and medial malleolar fractures. Percutaneous cannulated screws were used to fix the posterior malleolar in anterior-to-posterior direction.

indirect reduction

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • unstable ankle fracture requiring surgical intervention
  • with posterior malleolar fracture

You may not qualify if:

  • open fractures
  • pathological fractures

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School

Nanjing, Jiangsu, 210008, China

Location

Related Publications (1)

  • Shi HF, Xiong J, Chen YX, Wang JF, Qiu XS, Huang J, Gui XY, Wen SY, Wang YH. Comparison of the direct and indirect reduction techniques during the surgical management of posterior malleolar fractures. BMC Musculoskelet Disord. 2017 Mar 14;18(1):109. doi: 10.1186/s12891-017-1475-7.

MeSH Terms

Conditions

Ankle Fractures

Condition Hierarchy (Ancestors)

Fractures, BoneWounds and InjuriesAnkle InjuriesLeg Injuries

Study Officials

  • Jin XIONG, M.D.

    The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Director in the Department of Orthopaedics

Study Record Dates

First Submitted

June 1, 2016

First Posted

June 15, 2016

Study Start

January 1, 2012

Primary Completion

December 1, 2015

Study Completion

December 1, 2015

Last Updated

June 17, 2016

Record last verified: 2016-06

Data Sharing

IPD Sharing
Will not share

Locations