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Arthroscopy. 2008 Jun;24(6):732-3. doi: 10.1016/j.arthro.2006.12.029. Epub 2007 Apr 16.

Allergic reaction to biodegradable interference poly-L-lactic acid screws after anterior cruciate ligament reconstruction with bone-patellar tendon-bone graft.

Author information

1
First Orthopaedical Department, University of Athens, General University Hospital ATTIKON, Haidari, Greece. D.S.Mastrokalos@otenet.gr

Abstract

We report a case of a systemic allergic reaction to biodegradable poly-L-lactic acid (PLLA) interference screws after anterior cruciate ligament (ACL) reconstruction with bone-patellar tendon-bone graft. A 30-year-old patient complained of certain symptoms, such as an inability to focus mentally, rash on the right femur, chronic fatigue, decreased sex drive, and localized alopecia, 3 months after ACL reconstruction in the right knee. Two biodegradable PLLA interference screws had been used for proximal and distal graft fixation. Allergy testing showed a value of 7 in PLLA antigen. After removal of 1 screw in August 2000, the patient reported marked improvement, but some symptoms remained. In July 2001 he underwent arthroscopic revision ACL reconstruction with hamstrings via an implant-free technique with intensive debridement of the tunnels and removal of all scar tissue and screw rests. All symptoms disappeared, and the PLLA antigen number fell from 3 to "concentrate" 2 months postoperatively.

PMID:
18514119
DOI:
10.1016/j.arthro.2006.12.029
[Indexed for MEDLINE]

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