PMC5290082_01
PMC5290082_02
Lateral projection knee radiographs after bilateral patellar tendon rupture, showing cephalic patellar migration ("patella alta"), avulsion fractures of inferior poles of both patellae and an isolated undisplaced spiral fracture of the left fibular neck (left side).
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An isolated undisplaced spiral fracture of the left fibular neck was also identified (Fig. 1).
Bilateral patella tendon rupture at surgery: monofilament loop suture that allowed, by its passage in the middle of the loop, a proper tendon suture tension.
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We chose a nonabsorbable monofilament loop suture that allowed a proper tendon suture tension, by its second passage through the middle of the loop (Fig. 2).
Flexion knee movement testing the sewing integrity and resistance.
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The strength of the repair was tested by careful flexion of both knees (Fig. 3).
Two weeks after surgery: radiographic control.
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The postoperative course was uneventful and radiographic control was satisfactory (Fig. 5).
Five months after surgery: 135  flexion, 0  extension at both knees.
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On examination 5 months after surgery, the patient presented a satisfactory range of motion of both knees (135  flexion, 0  extension) good quadriceps strength and no signs of muscular atrophies or extensor lag (fig. 6).