POSTER ABSTRACTS - ISAKOS
POSTER ABSTRACTS - ISAKOS
POSTER ABSTRACTS - ISAKOS
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angle was measured on axial views at 30 .We<br />
decided this surgical procedure in case of severe<br />
trochlear dysplasia or obvious abnormal tracking<br />
of the patella.We performed the trochleoplasty<br />
with special ancillary to preserve the cartilage in<br />
four steps:<br />
We did<br />
- a clearance of the subchondral region of<br />
the groove starting above the groove<br />
- a division of the cartilage at the midline<br />
- a progressive deepthening<br />
- and fixation with two millimetric staples<br />
embedded in the cartilage to recreate a groove.<br />
Results<br />
No serious complication was observed.<br />
The trochlear angle decreased from an average<br />
pre-operative value at 151 to a post-operative<br />
average value at 133 . No recurrence of patellar<br />
dislocation was noted at the last follow-up.<br />
Detailled clinical results will be reported.<br />
Discussion<br />
In severe trochlear dysplasia, the presence of a<br />
high bump and an insufficient trochlear depth are<br />
responsible for patellar instability, and their<br />
persistance may limit the efficiency of the others<br />
surgical procedures.<br />
Conclusion<br />
Trochleoplasty is an option either in case of<br />
severe trochlear dysplasia with a proeminent<br />
bump or in case of recurrent dislocation after<br />
surgery. Nevertheless, we are still concerned to<br />
propose this operation in young population. A<br />
longer follow-up is needing.<br />
(1) Dejour H, Walch G, Neyret P, Adeleine P,<br />
Dysplasia of the femoral trochlea, Rev Chir Orthop<br />
Reparatrice Appar Mot, 1990, 76(1):45-54<br />
E-poster #630<br />
Elevation of the Tibial Tubercle for<br />
Patellofemoral Pain Syndrome . An 3 to 10<br />
years follow up study .<br />
Matheos Tzourbakis, Athens, GREECE,<br />
Nikolaos Kanakaris, Athens, GREECE Presenter<br />
Vasilios Fotopoulos, Athens, GREECE<br />
Ioannis Georgilas, Athens, GREECE<br />
1st&2nd Orthopaedic Departments<br />
''Evangelismos'' GNA, Athens, GREECE<br />
Backround: The elevation of the anterior tibial<br />
tubercle,although it has been first described 40<br />
years ago,remains controversial both on a clinical<br />
and on a bio-mechanical basis.It still offers a<br />
solution to the problem of chronic patellofemoral<br />
pain for young patients in their most productive<br />
years,who fail to respond to concervative<br />
treatment.<br />
Objective: This study aims to present the mid to<br />
long term results of a modification of the original<br />
Maquet procedure of a selected patient group.<br />
Materials & Methods: Retrospective review of preand<br />
peri- operative findings of 11 patients (7<br />
males),aged 28-61 years,treated by elevation of<br />
the tibial tubercle between 1993 and 2002.In all<br />
the cases the indication was persistent anterior<br />
knee pain that has not responded to concervative<br />
measures,excluding cases with proven<br />
osteoarthrosis of the other knee<br />
compartments.The operation consisted of an 1,3<br />
to 1,9cm elevation of a short tibial shingle.At a<br />
median follow up period of 5 years we evaluated<br />
the post-operative results by using subjective<br />
criteria(Cox's,Schmid's),a pain questionnaire (GR-<br />
SF/MPQ),the Oxford Knee score and objective<br />
criteria (Fulkerson's,Kujala's functional knee<br />
scores).<br />
Results: All but one reported excellent results<br />
subjectively.We found a statistically significant<br />
improvement of the post-operative GR-McGill<br />
score and of the Oxford Knee score.An ''excellent''<br />
median Fulkerson score of 92 and a ''good''<br />
median Kujala score of 87 were found.No<br />
significant short and long term complications<br />
were noticed.Ten of the patients report difficult in<br />
kneeling.<br />
Conclusions: The modified Maquet technique<br />
seems to be an effective operative procedure only<br />
for the treatment of symptomatic patellofemoral<br />
osteoarthrosis after concervative means have<br />
failed.A strict patient selection process must be<br />
used.The complication rate can be limited by<br />
strict adherence to the details of the surgical<br />
technique.<br />
E-poster #632<br />
Double Bundle PCL Arthroscopic<br />
Reconstruction with Two Femoral and Two<br />
Tibia Tunnel<br />
Arturo Makino, Buenos Aires, ARGENTINA,<br />
Presenter<br />
Matias Costa-Paz, Buenos Aires, ARGENTINA<br />
Miguel Angel Ayerza, Buenos Aires, ARGENTINA<br />
D. Luis Muscolo, Buenos Aires, ARGENTINA<br />
Italian Hospital of Buenos Aires, Buenos Aires,<br />
ARGENTINA<br />
Recent biomechanical studies have shown than<br />
an anatomic double-bundle PCL reconstruction is<br />
superior in restoring normal knee laxity compared
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