The investigators conducted such a prospective randomized controlled study aiming to reach a satisfactory outcome and to compare supra-pectineal QL buttress plating versus infra-pectineal for management of anterior column with or without posterior hemi-transverse component and quadrilateral plate involvement.
Our hypothesis was that supra-pectineal quadrilateral buttress plating provides much more rigid fixation and a strong buttress for medial wall migration, also it could correlate with a better functional and radiological outcome. However, there is a lack of knowledge in the prospective assessment of functional and radiological outcomes and follow up of postoperative complications of supra-pectineal quadrilateral buttress plating versus infra-pectineal plating in fixation of QLS and to our knowledge, it will be the first study to include such measures of outcome together in a prospective randomized fashion.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
30
15 cases will undergo anatomical supra-pectineal quadrilateral plate
15 cases will undergo conventional manually contoured infra-pectineal plate
Ain Shams university
Cairo, Abassia, Egypt
Rate of Excellent, very good, Good, Average or Poor functional outcomes using Modified Merle d'Aubigné scoring system
Clinical assessment was done via Modified Merle d'Aubigné scoring system that was calculated at each follow-up visit (out of 18) and presented the mean value; the score evaluates three factors: pain, mobility \& ability to walk. the score maximum being 18 (excellent) and minimum 6 (poor)
Time frame: one-year post-operative
Rate of Anatomical, Congruent or Incongruent Radiological Outcomes using Matta & Tornetta radiological principles
Radiological assesment was done according to the grading of Matta and Tornetta, The investigators classified the results into: Anatomical, congruent \& incongruent; based on the restoration of the five anatomical lines (iliopectineal line, ilioischial line, acetabular dome, posterior wall \& anterior wall) \& best judged on the anteroposterior view.
Time frame: 1 year postoperative
Amount of residual displacement
Residual displacement was measured in millimeters and compared between the two study groups
Time frame: immediate post-operative and throughout study completion
post-operative complications' rate
The investigators focused the evaluation of Postoperative complications on the local complications related to fixation principles and technique: LLD, AVN of the hip joint, wound infection, residual malunion or non-union of the quadrilateral plate, and loss of reduction
Time frame: 1-year post-operative
Mean intraoperative blood loss
The mean blood loss was calculated and compared between the two study groups, it was measured intraoperative and postoperative from suction drains
Time frame: up to 4 days post-operative
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Mean operative time
The mean operation time was calculated in minutes and compared between the two study groups
Time frame: it was calculated intra-operative