Custom-design implants for severe distorted proximal anatomy of the femur in young adults followed for 4–8 years

Figures & data

Figure 1. Measurement of the dimensions of the true aetabulum.

Figure 2. The design of the custom implant from the manufacturer with all elements of the preoperative planning defined: center of rotation, level arm, neck cut, and ante-version axis.

Figure 3. The stems selected for the trial implantation and CAD-CAM analysis.

Figure 4. The design of the custom prosthesis from the surgeon.

Figure 5. The custom-made femoral rasp and implant.

Outcome according to the D'Aubigne-Postel scale

	Preoperatively	Postoperatively	P-value
Pain	3.0 (2–4)	5.9 (4–6)	<0.001
Mobility	3.6 (2–5)	5.6 (3–6)	<0.001
Walking	3.5 (2–5)	5.6 (3–6)	<0.001

Figure 6. A. Low CDH of the right hip and high CDH of the left hip. B. The same patient: right THA at 55 months and left THA at 65 months after surgery.