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Prosthetic tibial stems were required for both

the study and control groups. A longer tibial

stem was used in 10 cases of the study group

and in 5 cases of the control group (p=0.2). The

tibial cut thickness was over 9 mm in 8 cases of

the study group and 7 cases of the control group

(p=0.8). An augmentation of the polyethylene

insert thickness was necessary in 10 cases of the

study group and 5 cases of the control group to

obtain appropriate laxity (p=0.2).

There were references in the TKA operative

notes which described increased technical dif-

ficulty secondary to the previous ligament

injury. We observed two intra-operative com-

plications in the study group corresponding to

the exposure: one patellar tendon partial avul-

sion and one femoral fracture (condylar fractu-

re). No intra-operative complications were

observed in the control group.

In the early postoperative period, one mobili-

zation under anesthesia was required in the

study group for a lack of flexion and none in

the control group.

The mean follow-up after TKA in the study

group was 37 months (20-153 months), and

the control group was 40 months (19-103

months) (p=0.4).

Preoperatively, the mean loss of extension

was 3.5° ± 4 (0-15) and 5° ± (0-30) in the

study group and the control group, respective-

ly (p=0.4). The mean flexion was 119° ± 17

(50-150) and 118.5° ± (30-160) (p=0.9). The

mean IKS knee score was 43 ± 20 (0-89) and

43 ± 17 (2-74) (p=0.9). The mean IKS func-

tion score was 63 ± 17 (15-100) and 61.5 ± 18

(15-100) (p=0.5).

TOTAL KNEE ARTHROPLASTY: A SAFE AND EFFECTIVE PROCEDURE FOR ADVANCED OSTEOARTHRITIS…

309

Fig. 1 : Bony defect management using screw or medial tibial wedge