Sensory Outcome in Children Following Microsurgery for Brachial Plexus Birth Injury

Emily S Ho1, Kristen Davidge2, Christine G Curtis3

  • 1Division of Plastic and Reconstructive Surgery, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada; Rehabilitation Sciences Institute, University of Toronto, Toronto, Ontario, Canada.

Insights

Microsurgical reconstruction for brachial plexus birth injury (BPBI) in children can lead to good sensory recovery. Most children achieve normal sensation, with deficits typically being mild.

Area of Science:

  • Pediatric Orthopedics
  • Neurology
  • Microsurgery

Background:

  • Limited data exists on sensory outcomes in children with brachial plexus birth injury (BPBI).
  • Microsurgical reconstruction is a key intervention for BPBI.
  • Evaluating sensory function is crucial for assessing treatment efficacy.

Purpose of the Study:

  • To assess the sensory function of the hand in children with BPBI following microsurgical reconstruction.
  • To compare sensory outcomes between different types of brachial plexus injuries.

Main Methods:

  • The study evaluated sensory thresholds using the Weinstein Enhanced Sensory Test and stereognosis testing.
  • Participants included children with upper and total plexus injuries.
  • The study design was prognostic, Level IV evidence.

Main Results:

  • Out of 63 children, 38% had abnormal sensory thresholds in the affected hand; most deficits were mild.
  • Sensory impairment was observed in 43% of upper plexus and 34% of total plexus injury groups.
  • Stereognosis was impaired in 29% of children, with no significant difference between injury types.

Conclusions:

  • Microsurgical reconstruction, particularly for total plexus injuries involving the lower trunk, can yield sensory recovery comparable to upper plexus injuries.
  • A significant proportion of children achieve normal sensory outcomes post-surgery.
  • When sensory deficits occur, they are generally mild.
Abstract

Related Concept Videos

Birth Control Methods01:22

Birth Control Methods

Vasectomy is a surgical form of male sterilization that involves severing and sealing the vasa deferentia, preventing sperm from mixing with semen during ejaculation. Because a vasectomy does not impact the testes' ability to produce testosterone, hormone levels, libido, and sexual function generally remain unchanged. While vasectomy is highly effective in preventing pregnancy, with a success rate near 99.85%, rare cases of recanalization (spontaneous reconnection) can occur. Although...
6.8K
What is a Sensory System?01:31

What is a Sensory System?

Sensory systems detect stimuli—such as light and sound waves—and transduce them into neural signals that can be interpreted by the nervous system. In addition to external stimuli detected by the senses, some sensory systems detect internal stimuli—such as the proprioceptors in muscles and tendons that send feedback about limb position.
101.2K
Spinal Nerves: Plexus I01:22

Spinal Nerves: Plexus I

Nerve plexuses are networks of interlacing nerves that serve as communication hubs to distribute and organize nerve action across various body regions. The nerve plexuses are organized into the cervical plexus located in the neck region, brachial plexus in the shoulder area, lumbar plexus found in the lower back, sacral plexus situated in the pelvis, and coccygeal plexus located in the coccygeal region.
The Cervical Plexus
The cervical plexus, formed by the anterior rami of the first four...
2.8K
Spinal Nerves: Plexus II01:21

Spinal Nerves: Plexus II

The plexuses of the lower body include the lumbar, sacral, and coccygeal plexuses, which innervate the abdomen, pelvis, legs, and coccygeal region. These plexuses control the transmission of sensory information and coordinate motor functions of the lower body.
The Lumbar Plexus
The lumbar plexus is situated within the lumbar region of the back and is primarily formed by the first four lumbar spinal nerves (L1 to L4). This plexus extends its branches into several nerves, including the...
2.5K
Predicting Reaction Outcomes02:24

Predicting Reaction Outcomes

Kinetics describes the rate and path by which a reaction occurs. In contrast, thermodynamics deals with state functions and describes the properties, behavior, and components of a system. It is not concerned with the path taken by the process and cannot address the rate at which a reaction occurs. Although it does provide information about what can happen during a reaction process, it does not describe the detailed steps of what appears on an atomic or a molecular level. On the other hand,...
10.9K
Outcomes of Glycolysis01:13

Outcomes of Glycolysis

Nearly all the energy used by cells comes from the bonds that make up complex organic compounds. These organic compounds are broken down into simpler molecules, such as glucose. As a result, cells extract energy from glucose over many chemical reactions—a process called cellular respiration.
Cellular respiration can occur aerobically (with oxygen) or anaerobically (without oxygen). In the presence of oxygen, cellular respiration starts with glycolysis and continues with pyruvate...
107.3K