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Transient electric changes immediately after surgical trauma.

Jeffrey B Driban1, C Buz Swanik, Kellie C Huxel

  • 1Temple University, Philadelphia, PA, USA.

Journal of Athletic Training
|January 5, 2008
PubMed
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Soft tissue trauma, such as incisions, creates significant negative electrical changes in skin and muscle. These findings enhance our understanding of tissue electrophysiology and healing potential.

Area of Science:

  • Biophysics
  • Tissue Engineering
  • Electrophysiology

Background:

  • Electric stimulation is utilized for soft tissue healing.
  • The electromagnetic properties of tissues are not fully understood.
  • Understanding these properties is crucial for optimizing therapeutic electrical stimulation.

Purpose of the Study:

  • To quantify the immediate transient electrical alterations in skin and muscle tissue post-trauma.
  • To investigate the relationship between soft tissue injury and electrical potential changes.

Main Methods:

  • A 1-group time series design was employed.
  • Measurements were taken using an electrometer in a controlled operating room setting.
  • Eleven participants undergoing total hip arthroplasty experienced skin and muscle incisions, with electrical potentials and current intensity recorded before and after each incision.
Keywords:
electric stimulationinjurymuscle

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Main Results:

  • Electric potentials became significantly more negative after skin incision (P = .036) and subsequent muscle incision (P = .008).
  • Current intensity also showed significant changes post-skin and muscle incision (P = .008).
  • Pre-incision potentials were near zero (0.001 ± 0.015 V), shifting to -0.192 ± 0.153 V after both incisions.

Conclusions:

  • Soft tissue trauma demonstrably induces negative transient electrical changes.
  • These electrical shifts are immediate responses to acute injury.
  • The study provides foundational data on the bioelectrical impact of surgical trauma.