Fig 1.
The schematic of injury zones.
Table 1.
Demographic data.
Fig 2.
Results of mechanism of injury.
Table 2.
Missed diagnosis rates and amputation rates of different patterns.
Table 3.
The correlation of initial diagnosis and amputation rate.▲
Table 4.
Results of duplex ultrasonography examination in diagnosis of multilevel arterial injuries.▲
Fig 3.
a. Preoperative view. The straight arrow indicates the popliteal fossa and the curved one indicates the medial femoral condyle. b. Intraoperative view during primary exploration. The yellow arrow on the top in the inset shows the appearance of the injured femoral artery; the black arrow on the bottom indicates the site of arterial injury. c. Intraoperative view during re-exploration. The black arrow on the top in the inset shows the appearance of the injured popliteal artery; the blue arrow on the bottom indicates the site of arterial injury. d. Postoperative view at 15-month follow-up. The black arrows on the top in the inset show the appearance of lateral incisions for fasciotomy and internal fixation of the femur fracture, respectively; the red arrows on the bottom show the sites of skin grafting for the coverage of wounds.