Monday, February 2, 2009

Revision Arthoplasty May Be Useful for Failed Total Ankle Arthoplasty Cases

From the American College of Foot and Ankle Surgeons:

A study by researchers in Switzerland suggests that revision arthroplasty may be a good alternative for failed total ankle arthroplasty. Co-authors of the study, Beat Hintermann, MD, and Alexej Barg, MD, conducted a prospective study that evaluated the ankles of 37 patients who had a failed total ankle arthroplasty. A total of 19 women and 18 men underwent revision arthroplasty using a three-part ankle prosthesis at an average of 4.4. years after their initial arthroplasty. Causes for the revision arthroplasty included loosening of one component (29 ankles), loosening of both components (7), granuloma (1) formation, and pain (9). Surgeons used 20 standard components for the talus and 19 standard components for the tibia for the revision arthroplasty. A mean follow-up of three years revealed that nearly 65 percent of the ankles were pain-free, there was a 33-point increase in AOFAS scores, and 78 percent satisfaction. “The hindfoot score improved from 39 to 72 at the mean follow-up of 3 years,” Hintermann says.

Dr. Tina A. Boucher, DPM
Central Connecticut Foot Care, LLC
Podiatrist in Meriden CT
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