| Summary: | Introduction. Posterior knee joint dislocation associated with injury of the
popliteal artery in children is an extremely rare condition. Rapid diagnosis
and treatment are essential for limb salvage and function. Case report. We
reported a 14-year-old boy who suffered traumatic displacement of the right
knee and contusion of the popliteal artery during motorcycle accident. The
diagnosis was confirmed using Doppler and duplex ultrasonography and digital
substraction transfemoral arteriography. The urgent surgical procedure was
performed using posterior approach to the popliteal artery. During the
surgical exploration, rupture of the posterior cruciate ligament associated
with thrombosed popliteal artery have been found. The damaged popliteal
artery was resected and replaced with autologous saphenous vein graft. The
last stage of the procedure was a transosseous femoral fixation of posterior
circuate ligament. A 3-year-follow-up after the surgery demonstrated intact
arterial perfusion and very good function of the knee with a minimal
difference as compared with the contralateral knee. Conclusion. Combined
orthopedic and vascular injuries are very rare in children. They require
combined treatment. [Projekat Ministarstva nauke Republike Srbije, br.
175008]
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