الفهرس 
Soft tissue anatomy of the kneeOnly 14 pages are availabe for public view
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Abstract
Although TKA is one of the most commonly
performed operations in adult reconstructive surgery.
The surgical approaches in primary TKA remain
controversial. There are proponents for medial
parapatellar approach and proponents for lateral
parapatellar approach.
In our study, we aimed to compare the different
effects of medial parapatellar approach and lateral
parapatellar approach in total knee arthroplasty. 40
patients (46 knees) who are candidates for TKA were
enrolled in a pilot comparative randomized clinical trial
using a posterior-stabilized TKA. Evaluations were done
preoperatively and after 1, 3, 6 and 12 months.
Evaluation using Knee Society Score (KSS) and
functional knee society score were measured.
In our study, the surgeries were done by the same
team of surgeons relying on a randomized selection
basis, using the same surgical approach, the same
prosthesis design and the same surgical technique in all
patients. These are all considered points of strength in
this study as this decrease the number of potential variables as less as possible looking for a more
controlled comparison between the two groups.
We found that total knee arthroplasty results in a
significant improvement in the clinical and functional
knee society score in the majority of patients. But when
the two groups were compared, we observed no
difference in the clinical KSS and functional KSS.
The use of a lateral parapatellar approach may be
highly beneficial in severe fixed valgus deformities, as
the anatomical axis is restored accurately and direct soft
tissue release of the targeted lateral contracted structures
is facilitated to an important extent. The clinical
outcomes (KSS, KSS functional) did not significantly
differ between the two cohort groups.
The use of medial parapatellar approach may be
beneficial in mild and moderated correctable valgus
deformity, with mild lateral release.
Our data couldn’t be generalized on all TKA
systems as we used only (Nexgen, posterior stabilized
design).