Successful replantation of the leg in a pre-ambulatory infant

Neil F Jones1, Eon K Shin, Amir Mostofi

  • 1UCLA Hand Center, Department of Orthopaedic Surgery, Division of Plastic and Reconstructive Surgery, Los Angeles, California 90095, USA.

Insights

This study details the first successful below-knee amputation replantation in a 7-month-old infant. Seven years post-surgery, the child exhibits excellent function, walking and running without aids, showcasing remarkable pediatric limb replantation success.

Area of Science:

  • Pediatric Orthopedics
  • Reconstructive Surgery
  • Traumatology

Background:

  • Limb replantation in infants presents unique challenges due to rapid growth and developmental plasticity.
  • Below-knee amputations in very young children require specialized surgical approaches to optimize long-term function.

Purpose of the Study:

  • To document the long-term functional outcomes of a below-knee amputation replantation in a 7-month-old infant.
  • To evaluate the potential for spontaneous correction of limb length discrepancy in pediatric replantation.
  • To highlight the benefits of early intervention in pediatric limb trauma.

Main Methods:

  • Successful surgical replantation of a traumatically amputated below-knee limb in a 7-month-old infant.
  • Long-term clinical follow-up over seven years, assessing range of motion, sensation, and functional mobility.
  • Radiographic evaluation of limb length discrepancy.

Main Results:

  • The child demonstrates excellent ankle and knee range of motion and regained plantar sensation.
  • The patient can walk, run, and jump without assistive devices.
  • A 5.5 cm leg-length discrepancy is present but expected to improve with future bone overgrowth.

Conclusions:

  • Early below-knee replantation in infancy can lead to excellent functional recovery and near-normal gait.
  • The plasticity of the pediatric central nervous system and skeletal system supports successful long-term outcomes.
  • This case underscores the viability of limb replantation in very young children, even prior to ambulation.

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