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The Journal of Bone & Joint Surgery British Volume
Vol. 84-B, Issue 4 | Pages 535 - 539
1 May 2002
Jingushi S Sugioka Y Noguchi Y Miura H Iwamoto Y

Our study describes the mid-term clinical results of the use of transtrochanteric valgus osteotomy (TVO) for the treatment of osteoarthritis of the hip secondary to acetabular dysplasia. The operation included valgus displacement at the level of the lesser trochanter, and lateral displacement of the greater trochanter by inserting a wedge of bone. We reviewed 70 hips. The mean age of the patients at operation was 44 years (14 to 59). Most (90%) had advanced osteoarthritis.

The scores for pain and gait had improved significantly at a mean follow-up of 9.4 years. The rate of survival until an endpoint of a further operation during a follow-up of ten years was 82%. The survival rate was 95% in patients with unilateral involvement who were less than 50 years of age at operation. TVO is a useful form of treatment for advanced osteoarthritis of the hip, particularly in young patients with unilateral disease.


The Journal of Bone & Joint Surgery British Volume
Vol. 82-B, Issue 4 | Pages 512 - 516
1 May 2000
Miyanishi K Noguchi Y Yamamoto T Irisa T Suenaga E Jingushi S Sugioka Y Iwamoto Y

We have studied the correlation between the prevention of progressive collapse and the ratio of the intact articular surface of the femoral head, after transtrochanteric rotational osteotomy for osteonecrosis. We used probit analysis on 125 hips in order to assess the ratio necessary to prevent progressive radiological collapse over a ten-year period. The results show that a minimum postoperative intact ratio of 34% was required. This critical ratio may be useful for surgical planning and in assessing the natural history of the condition.


The Journal of Bone & Joint Surgery British Volume
Vol. 74-B, Issue 5 | Pages 686 - 690
1 Sep 1992
Naito M Ogata K Nakamoto M Goya T Sugioka Y

We reviewed 29 patients who had developed destructive arthropathy of the spine during long-term haemodialysis. Their mean age when haemodialysis began was 43.8 years; at diagnosis they had been dialysed for an average of 8.6 years. In 26 patients, the lesions were between C4 and C7; in six they were between L4 and S1, three having lesions in both regions. Sixteen patients had had previous surgery for carpal tunnel syndrome. Spinal surgery was performed in nine patients with satisfactory results in only five. We demonstrated beta-2 microglobulin amyloid deposits in the discs and surrounding ligaments in all biopsied cases. The natural history and management of this condition are not yet clear.


The Journal of Bone & Joint Surgery British Volume
Vol. 73-B, Issue 6 | Pages 927 - 931
1 Nov 1991
Ogata K Yoshii I Kawamura H Miura H Arizono T Sugioka Y

The use of standing radiographs to determine correction angles for high tibial osteotomy is not appropriate because the relative angle of the articular surfaces (condylar-plateau angle) in the weight-bearing knee changes after the osteotomy. This may give unpredictable results postoperatively. We found that the condylar-plateau angle in postoperative standing films is very similar to that seen in non-weight-bearing supine views, and suggest that these latter radiographs be used for pre-operative planning. We describe our early results, using a special osteotomy jig, in 140 knees.


The Journal of Bone & Joint Surgery British Volume
Vol. 73-B, Issue 5 | Pages 846 - 850
1 Sep 1991
Uchida Y Kojima T Sugioka Y

Five children with congenital pseudarthrosis of the tibia treated by free vascularised fibular grafts were followed up until skeletal maturity. The ipsilateral fibula was used in four cases, the contralateral fibula in one. All our cases achieved bone union, but leg length discrepancy, atrophy of the foot and ankle stiffness were frequent complications, due perhaps to the many previous operations. Vascularised fibular grafting might achieve better results if it were done as the primary procedure.