An increasing number of infections caused by community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) carrying the Panton-Valentine leukocidin (PVL) genes was recently identified in Greece. In the present study, 170 patients with S. aureus infections and 123 uninfected children (<15 years old) who had been tested for nasal carriage were evaluated during a 2-year period. The MecA, PVL and superantigen family genes, and MRSA clones, were investigated by molecular methods. Sites of infection and laboratory findings for patients were recorded. The results were compared and statistically analysed. Among 123 uninfected children 73 (59%) carried S. aureus, including four MRSA strains. Of these, three MRSA and three methicillin-sensitive S. aureus (MSSA) strains were PVL-positive (p <0.0001). Ninety-six patients (96/170) exhibited skin and soft-tissue infections (SSTIs), and 74 exhibited invasive infections. The incidence of staphylococcal infections increased during July to September each year. In total, 110 S. aureus isolates were PVL-positive (81 from SSTIs and 29 from invasive infections, p <0.0001). Ninety-nine out of 106 MRSA (93%) isolates from 170 patients carried the PVL genes (p <0.0001); 97 belonged to the clonal complex CC80. Leukocyte and polymorphonuclear cell counts were higher among children with MRSA infections (p <0.005). MSSA predominated among patients with invasive infections (43/74), and carried mainly genes of the superantigen family. Children <5 years of age showed a higher risk of MRSA infection. The present study demonstrates that infections due to PVL-positive CA-MRSA spread easily among children, and SSTIs can lead to invasive infections. Nasal colonization may be an additional factor contributing to the emergence of CA-MRSA.
Background
Variety of techniques for management of segmental femoral bone loss have been described, each with different advantages and challenges during treatment. The development of motorized lengthening nails has provided a potential for all internal bone transport, avoiding some of the difficulties with external fixation in the femur. At present, there is limited published literature on experiences in this technique.
Aim
The development of this technique aimed to overcome the difficulties previously reported for internal bone transport in the femur, particularly varus deformity and joint stiffness.
Technique
We describe the technique of double plating with bone transport utilizing a magnetic lengthening nail to manage segmental femoral bone loss. The benefits of the technique are discussed, along with specific challenges and lessons that have been learned through experience of internal bone transport.
Conclusion
Use of a magnetic lengthening nail and double plating as a method of all internal bone transport provides an option for the management of massive femoral bone loss, while avoiding some of the challenges that have been reported with the existing techniques.
Clinical significance
This technique provides an additional method in the armamentarium of the trauma or limb reconstruction surgeon treating massive femoral bone loss.
How to cite this article
Wright J, Bates P, Heidari N,
et al.
All Internal Bone Transport: Use of a Lengthening Nail and Double Plating for Management of Femoral Bone Loss. Strategies Trauma Limb Reconstr 2019;14(2):94–101.
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