Longitudinal growth of a congenitally shortened lower limb after its surgical lengthening

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Abstract

Based on the results of treatment of 150 patients, aged 2-15 years,5 types of growth rate changes of the lengthened segment in early and long-term postoperative periods were detected. Stimulation of longitudinal growth takes place after primary lengthening of the segment, performed prior to prepuberty growth leap when conditions for weigh bearing of lengthened limb and its functional activity exist and are being created. Repeated lengthening of segment, significant limitation of functional load as well as reconstructive operation on foot bones exert negative influence on the following growth. Stimulation of longitudinal growth of lengthened segment is accompanied by the increase of contractive muscular capacity and peripheral hemodynamics indices in long-term period.

About the authors

D. A. Popkov

Russian Research Center "Restorative Traumatology and Orthopedics" G.A. Ilizarov

Email: info@eco-vector.com
Russian Federation, Kurgan

V. A. Shchurov

Russian Research Center "Restorative Traumatology and Orthopedics" G.A. Ilizarov

Author for correspondence.
Email: info@eco-vector.com
Russian Federation, Kurgan

References

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Supplementary files

Supplementary Files
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1. JATS XML
2. Fig. 1. Patient K.: a — hip lengthening at the age of 11 years; b - at the age of 15 years.

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3. Fig. 2. Graphs of the longitudinal growth of the femur and tibia of the same patient K. (along the abscissa axis is age in years, along the ordinate axis is the length of the segment in millimeters). A — intact femur, B — elongated femur (dashed line indicates operative lengthening); C — intact tibia, D — shortened tibia.

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4. Fig. 3. Volumetric blood flow velocity and peak blood flow (in % of the parameters of a healthy limb) in case of an increase in the rate of longitudinal growth (type I) of the lower leg after its lengthening. DO - before surgery; PSA - after removal of the device.

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5. Fig. 4. Index of peak blood flow (in % of the healthy limb) in the case of an increase in the rate of longitudinal growth (type I) of the lower leg after its lengthening. DO - before surgery; PSA - after removal of the device.

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6. Fig. 5

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