Iontophoresed segmental allografts in revision arthroplasty for infection
Revision arthroplasty after infection can often be complicated by both extensive bone loss and a relatively high rate of re-infection. Using allograft to address the bone loss in such patients is controversial because of the perceived risk of bacterial infection from the use of avascular graft mater...
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Veröffentlicht in: | Journal of bone and joint surgery. British volume 2006-11, Vol.88 (11), p.1430-1437 |
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container_title | Journal of bone and joint surgery. British volume |
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creator | MICHALAK, K. A KHOO, P. P. C YATES, P. J DAY, R. E WOOD, D. J |
description | Revision arthroplasty after infection can often be complicated by both extensive bone loss and a relatively high rate of re-infection. Using allograft to address the bone loss in such patients is controversial because of the perceived risk of bacterial infection from the use of avascular graft material. We describe 12 two-stage revisions for infection in which segmental allografts were loaded with antibiotics using iontophoresis, a technique using an electrical potential to drive ionised antibiotics into cortical bone. Iontophoresis produced high levels of antibiotic in the allograft, which eluted into the surrounding tissues. We postulate that this offers protection from infection in the high-risk peri-operative period. None of the 12 patients who had two-stage revision with iontophoresed allografts had further infection after a mean period of 47 months (14 to 78). |
doi_str_mv | 10.1302/0301-620X.88B11.18335 |
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Iontophoresis produced high levels of antibiotic in the allograft, which eluted into the surrounding tissues. We postulate that this offers protection from infection in the high-risk peri-operative period. 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Using allograft to address the bone loss in such patients is controversial because of the perceived risk of bacterial infection from the use of avascular graft material. We describe 12 two-stage revisions for infection in which segmental allografts were loaded with antibiotics using iontophoresis, a technique using an electrical potential to drive ionised antibiotics into cortical bone. Iontophoresis produced high levels of antibiotic in the allograft, which eluted into the surrounding tissues. We postulate that this offers protection from infection in the high-risk peri-operative period. None of the 12 patients who had two-stage revision with iontophoresed allografts had further infection after a mean period of 47 months (14 to 78).</abstract><cop>London</cop><pub>British Editorial Society of Bone and Joint Surgery</pub><pmid>17075085</pmid><doi>10.1302/0301-620X.88B11.18335</doi><tpages>8</tpages><edition>British volume</edition><oa>free_for_read</oa></addata></record> |
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subjects | Aged Aged, 80 and over Anti-Infective Agents - administration & dosage Anti-Infective Agents - analysis Arthroplasty, Replacement Arthroplasty, Replacement, Hip Arthroplasty, Replacement, Knee Biological and medical sciences Female Humans Iontophoresis - methods Male Medical sciences Middle Aged Orthopedic surgery Osteoarthritis, Hip - surgery Osteoarthritis, Knee - surgery Postoperative Complications Recurrence Reoperation Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases Surgical Wound Infection - drug therapy Treatment Outcome |
title | Iontophoresed segmental allografts in revision arthroplasty for infection |
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