Current trends on limb length discrepancy treatment: results of a survey among 11 dedicated Italian centres

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Abstract
Limb length discrepancies (LLD) are quite frequent, especially in lower limbs. The evolution of the available devices and the refinement of the techniques for correcting the differences in limb length have progressively improved the approach to these deformities. Nevertheless, several points still remain debated. The aim of the study was to investigate the Italian pediatric orthopedic surgeons’ choices in approaching and treating LLD in both lower and upper limbs. A survey on the treatment of limb length discrepancy was sent to a group of 11 Italian orthopedic centers, specialising in limb lengthening and belonging to the Italian Society of Pediatric Orthopedics and Trauma and the Italian Society of External Fixation. Despite improvements in knowledge of bone biology and distractional osteogenesis as well as the increase in available hardware for lengthening, many aspects of LLD correction still remain debated. Both the relative rarity of the conditions which lead to significant shortening and the lack of wide groups of patients analysed at adult age, continue to be the main limitations for every surgeon who deals with LLD. Only by overcoming our own convictions and sharing our experiences in multicentric studies, may we reach our goal of developing a shared treatment protocol.

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