PMC9393417_01
The patient's preoperative x-ray of the hip joint. (Figure notes: Circles in the x-ray were marked to show that varying degrees of necrosis of both femoral heads, with a large amount of osteophytes forming around the hip joint).
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F1
The x-ray examination (Figure 1) revealed bilateral aseptic necrosis of the femoral head (Ficat Type IV), and the patient had a history of KBD for more than 20 years without treatment. From the preoperative period to the last follow-up, the patient's bilateral hip mobility and functional scores improved significantly (Figure 4 and Table 1), and no adverse events such as hip pain, prosthesis loosening or dislocation were found at the final follow-up.
Pre-operative standing and walking status of the patient. (Figure notes: The patient had bilateral hip inversion and showed a cross gait when walking).
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F2
The right and left feet were crossed (Figure 2).
Patient's hip x-ray 1 month after surgery. (Figure notes: X-rays showed that the bilateral hip prostheses were well positioned, with no obvious dislocation or other adverse effects).
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F3
At one month after surgery, x-ray radiographs (Figure 3) revealed normal alignment and the position of the hip protheses on both sides without no signs of loosening.
The Patient's standing and walking 1 month after surgery. (Figure notes: The patient's postoperative hip movement improved significantly and his gait was normal).
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F4
From the preoperative period to the last follow-up, the patient's bilateral hip mobility and functional scores improved significantly (Figure 4 and Table 1), and no adverse events such as hip pain, prosthesis loosening or dislocation were found at the final follow-up.