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Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_I | Pages 134 - 134
1 Mar 2008
Turcotte R Chivas D Deheshi B Ferguson P Isler M Wunder J Bell R
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Purpose: To determine the outcome of patients 80 years old and greater that were diagnosed with a primary soft tissue sarcoma and if these patients should be treated as aggressively as younger patients.

Methods: One-hundred two patients were retrospectively reviewed.Well differentiated liposarcoma and der-matofibrosarcoma were excluded.

Results: There were 52 males. Average age was 84 years (80–94). Malignant fibrous histiocytoma was most common (36 patients) followed by leiomyosarcoma (22 pts) and liposarcoma (17 pts). Tumors were superficial in 25 patients and deep in 75. The lower extremity was most frequent site(70 patients), 27 patients had upper extremity involvement and 9 had a back lesion. MSTS stages were IA 6 patients, IB 22 patients, IIA 55 patients, IIB 9 patients, III 1 patient, and was unknown for 9 cases. Lesions were larger than 5cm in 80%. Four patients had no surgery, 89 patients had limb salvage, and 8 patients underwent amputation. Thirty-two patients had pre-operative radiotherapy, 30 patients had post-operative radiation, and 3 patients received both. No patients were given chemotherapy. The average follow up was 24 months (0–107months). Seventeen patients experienced local recurrence. Thirty-one patients developed metastatic disease. At latest follow-up 49 patients were alive without disease, 21 patients were alive with disease, 22 patients died of their disease, 8 patients died of another cause and the final status was unknown for 2 patients.. The MSTS functional score pre-treatment was 24 (11–72) and 31 (20–77) one year following treatment.

Conclusions: Elderly patients with soft tissue sarcoma have a poor outcome. Taking into account their associated medical condition, this group should likely be managed as younger patients although chemotherapy has no role according to our experience Funding: Other Education Grant Funding Parties: CIHR,|Stryker Canada


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_I | Pages 110 - 111
1 Mar 2008
Chivas D Smith K Tanzer M
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This is the first study to determine if closure of the posterior capsule during revision total hip arthroplasty (THA) results in a reduction in the historically high dislocation rate. Seventy-nine consecutive patients undergoing revision THA with a posterolateral approach and closure of the posterior hip capsule were retrospectively reviewed. At a mean follow-up of fifty-seven months (range twenty-four to one hundred and twenty months), there were only two dislocations (2.5%). The historically high dislocation rates with the posterolateral approach in revision THA, can be significantly decreased with posterior capsular closure from approximately 15% to 2.5%.

To determine if closure of the posterior capsule during revision total hip arthroplasty results in a reduction in the historically high dislocation rate.

The dislocation rate after revision THA with a posterior approach can be minimized by repairing the posterior capsule and rotators.

The historically high dislocation rates with the pos-terolateral approach in revision THA, can be significantly decreased with posterior capsular closure from approximately 15% to 2.5%.

A retrospective study was carried out to review seventy-nine consecutive revision THAs. In all cases, the surgery was done by a single surgeon using the posterolateral approach. In every case, the posterior capsule was meticulously repaired at the end of the procedure. All patients had a minimum two- year follow-up and no patients were lost to follow up.

At a mean follow-up of fifty-seven months (range twenty-four to one hundred and twenty months), there were only two dislocations (2.5%). Both dislocations occurred early postoperatively were anterior. One occurred in a high risk case- a proximal femoral replacement with a trochanteric osteotomy, high hip center and skirted head. The other was due to a technical error, with the cup being excessively anteverted. There were no late dislocations or subluxations.

The dislocation rate after revision THA with a posterior approach can be minimized by balancing soft tissues, correct implant alignment and repairing the posterior capsule and rotators.