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
Hauptverfasser: MICHALAK, K. A, KHOO, P. P. C, YATES, P. J, DAY, R. E, WOOD, D. J
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container_end_page 1437
container_issue 11
container_start_page 1430
container_title Journal of bone and joint surgery. British volume
container_volume 88
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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source MEDLINE; Alma/SFX Local Collection
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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