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Abdominal Surgery Under Electroanaesthesia

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D. H. Reigel, S. J. Larson, A. Sances, Jr., N. Christman, D. Dallmann, E. O. Henschel · 1969

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Controlled electrical fields can completely anesthetize primates, proving electromagnetic energy directly affects nervous system function.

Plain English Summary

Summary written for general audiences

Researchers performed major abdominal surgery on ten monkeys using only electrical current (electroanesthesia) instead of chemical drugs. The electrical stimulation at 70-100 Hz provided complete pain relief and muscle relaxation while maintaining normal heart and breathing function. This 1969 study demonstrated that controlled electrical fields can safely produce surgical anesthesia.

Why This Matters

This study reveals something remarkable: electrical fields applied to the brain can completely eliminate pain sensation and produce surgical-level anesthesia. While this was intended as medical research, it demonstrates the profound biological effects that electrical stimulation can have on nervous system function. The currents used here (7 milliamps at 70-100 Hz) were therapeutic and controlled, but they underscore how electromagnetic fields directly interact with our neural pathways.

What makes this particularly relevant today is that we're surrounded by electromagnetic fields from wireless devices, though at different frequencies and intensities. The science demonstrates that electrical fields can fundamentally alter how our nervous system processes signals. While our daily EMF exposures aren't at anesthetic levels, they're still interacting with the same biological systems that this research shows are highly responsive to electromagnetic stimulation.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
D. H. Reigel, S. J. Larson, A. Sances, Jr., N. Christman, D. Dallmann, E. O. Henschel (1969). Abdominal Surgery Under Electroanaesthesia.
Show BibTeX
@article{abdominal_surgery_under_electroanaesthesia_g5769,
  author = {D. H. Reigel and S. J. Larson and A. Sances and Jr. and N. Christman and D. Dallmann and E. O. Henschel},
  title = {Abdominal Surgery Under Electroanaesthesia},
  year = {1969},
  
  
}

Quick Questions About This Study

Yes, this study showed 7 milliamp electrical currents at 70-100 Hz provided complete surgical anesthesia in monkeys, with excellent muscle relaxation and pain relief while maintaining normal vital signs throughout major abdominal operations.
Researchers used 7.0 milliamps of rectangular current pulses lasting 2.5 milliseconds, applied between the back of the head and forehead at frequencies of 70-100 Hz to achieve complete anesthesia in the test subjects.
Cardiovascular and respiratory functions remained stable throughout surgery. Breathing rate slowed about 10% but stayed regular, blood oxygen and pH levels were normal, and heart rhythm showed no abnormal changes during electrical anesthesia.
The electrical current was applied between two points on the head: the inion (back of the skull where it meets the neck) and the nasion (bridge of the nose), effectively stimulating the entire brain region.
The study doesn't specify exact duration, but electroanesthesia was maintained throughout complete abdominal surgeries including laparotomy, abdominal exploration, and gastrostomy procedures, suggesting it lasted for typical surgical timeframes of hours.