Delayed Foreign Body Reaction Due to Bioabsorbable Pins Used for Femoral Fixation in Anterior Cruciate Ligament Reconstruction

Lee, Byung Ill; Yoo, Jae Ho; Chun, Dong-Il; Choi, Hwan Jun; Min, Kyoung Dae; Jeen, Yoon-Mi

doi:10.1177/0363546509336345

Cited by 7 publications

(2 citation statements)

References 26 publications

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“…However, low cell adhesion to PLLA because of its hydrophobic surface is disadvantageous (Nakagawa et al 2006). Moreover, PLLA causes inflammatory reactions and foreign-body reactions (Böstman and Pihlajamäki, 2000;Seino et al 2007;Lee et al 2010), and its degradation releases oligomers and monomers which involve the possible risk of tumor formation (Yanagida et al 2009). …”

Section: Introductionmentioning

confidence: 99%

Optimization of β-carotene production by a newly isolated Serratia marcescens strain

Shuai

Nie

Gao

et al. 2012

Electron. J. Biotechnol.

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Cracks often occur when nano-hydroxyapatite bone scaffolds are fabricated with selective laser sintering, which affect the performance of scaffolds. In this study, a small amount of poly (l-lactide acid) (PLLA) was added into nano-hydroxyapatite (nano-HAP) powder by mechanical blending in order to improve the sintering properties. The nano-HAP powder combined with 1wt % PLLA was sintered under different laser power (5W, 7.5W, 10W, 12.5W, 15W and 20W). The fabricated scaffolds were characterized using Scanning Electron Microscope (SEM), X-ray Diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR) and Micro Hardness Tester. The results showed that nano-HAP particles grew up quickly with the laser power increasing, and there were many strip-like cracks on the surface of sintering zone. The cracks gradually reduced until disappeared when the laser power increased to 15W, together with a great improvement of density. Large pores were observed on the specimen when the laser power further increases, accompanied with the decomposition of HAP into β-tricalcium phosphate (β-TCP) and tetracalcium phosphate (TTCP). And the optimum parameters were eventually obtained with laser power of 15W, scanning speed of 1000 mm/min, powder bed temperature of 150ºC, laser spot diameter of 2 mm and layer thickness of 0.2 mm. We summarized that the molten PLLA enhanced the particle rearrangement of nano-HAP by capillary force and may absorb thermal stress in laser sintering process, while PLLA would be oxidized gradually until completely excluded from the sintered nano-HAP scaffolds, which was confirmed by FTIR analysis. This study provides a novel method to improve the sintering properties of nano-HAP with no adverse effects which would be used in the application of bone tissue engineering potentially.

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Section: Introductionmentioning

confidence: 99%

Optimization of β-carotene production by a newly isolated Serratia marcescens strain

Shuai

Nie

Gao

et al. 2012

Electron. J. Biotechnol.

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“…Kokkinakis et al5) also reported a case of wire breakage that also showed good stability. As reported by Lee et al7), there is some possibility of a delayed foreign body reaction to the Bio-Transfix implant. However, in our case, the cyst may have been due to the irritation caused by the broken metal tip because the cyst formed just adjacent to the metal wire tip and the Transfix implant was intact and well-fixed at the original site (Figs.…”

Section: Discussionmentioning

confidence: 72%

Delayed Knee Locking after Complicated Anterior Cruciate Ligament Reconstruction Despite Good Stability Using A Bio-Transfix

Lee

Sim

et al. 2011

Knee Surg Relat Res

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We describe a case of delayed cyst formation that presented as intermittent knee locking after complicated anterior cruciate ligament (ACL) reconstruction using a Bio-TransFix implant in a 21-year-old male patient. During femoral fixation, we could not pull out the guide wire that was temporarily used for the femoral fixation. However, stability was good, and the guide wire was not removed. This was shown to be a wrong type of fixation in a later study. During follow-up, the patient was satisfied and stability was relatively good until 18 months post-operatively. From the 2nd post-operative year, he experienced intermittent knee swelling and locking and pain around the lateral femoral condyle. Follow-up magnetic resonance imaging showed a large cyst around the broken wire tip, but the reconstructed ACL was fine.

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MRI of broken bioabsorbable crosspin fixation in hamstring graft reconstruction of the anterior cruciate ligament

et al. 2010

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Bioabsorbable crosspins utilized in femoral fixation of hamstring graft reconstruction of the ACL may become fractured. While the natural history of osteo-integration of these devices as demonstrated by MRI has not been defined, osteolysis surrounding the fragments, extrusion or displacement of the fragments, and graft laxity or failure would suggest that these are abnormal findings that should be reported.

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Delayed Foreign Body Reaction Due to Bioabsorbable Pins Used for Femoral Fixation in Anterior Cruciate Ligament Reconstruction

Cited by 7 publications

References 26 publications

Optimization of β-carotene production by a newly isolated Serratia marcescens strain

Optimization of β-carotene production by a newly isolated Serratia marcescens strain

Delayed Knee Locking after Complicated Anterior Cruciate Ligament Reconstruction Despite Good Stability Using A Bio-Transfix

MRI of broken bioabsorbable crosspin fixation in hamstring graft reconstruction of the anterior cruciate ligament

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