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Anesthesia

Also Known As Anaesthesia
Perioperative and Anesthetic Care

Anesthesia as a surgical treatment is the deliberate induction of insensibility to permit painless surgery, most often today through inhaled or intravenous general anesthetics, or through regional and local nerve blockade. As a treatment, its practice grew from a cluster of American demonstrations in the 1840s using ether and nitrous oxide, gases already known and used recreationally, into the distinct medical specialty of anesthesiology, with continuous refinement of safer agents and monitoring across the following century and a half.

Facts
Disputed
Origin Year
1846 2
Anesthesia's origin year as a TREATMENT is dated here, as it commonly is, to William Morton's 1846 public ether demonstration, the moment the practice began to spread; the underlying priority dispute over who first achieved surgical anesthesia (Morton, Crawford Long in 1842, or Horace Wells in 1844-45) is carried on the Anesthesia discovery entity, since it concerns credit for the discovery rather than the date the treatment took hold.
Classification
Status
Standard of Care 1
Learn More
The Contested Birth of Surgical Anesthesia

This article records tradition as it has been passed down and reported. Its sources are not yet part of the atlas's verified catalogue.

Three men have a real claim to having discovered surgical anesthesia, and medical history has never fully settled among them. The public credit went, and largely still goes, to William Morton, a Boston dentist whose ether demonstration at Massachusetts General Hospital on October 16, 1846, in the room since nicknamed the Ether Dome, is the single most reproduced image in the history of the practice: a patient rendered insensible, a tumor removed from his jaw without a cry, and a surgeon turning to the assembled crowd to declare, gentlemen, this is no humbug.

But the demonstration that made anesthesia famous was not the first use of it. Crawford Long, a physician practicing in rural Georgia, had removed a tumor from a patient's neck under ether in March 1842, four full years before Morton, using a gas he had already watched partygoers inhale recreationally at so-called ether frolics. Long simply did not publish his results until 1849, by which point Morton had already taken the public credit, and the priority claim Long left behind is exactly as strong on the facts and exactly as invisible in the popular memory of the discovery.

Horace Wells, a Hartford dentist and Morton's own former business partner, has the third claim, and the saddest one. Wells had begun using nitrous oxide in his own dental practice in 1844 and attempted a public demonstration at Massachusetts General Hospital in January 1845, a full year before Morton, using a patient who cried out during the procedure. The demonstration was judged a failure on the spot, Wells was humiliated in front of the same institution Morton would later triumph in, and his subsequent life, a collapsed practice, self-experimentation with anesthetic gases, and death by his own hand in 1848, reads now as a case study in how thin the line between the credited discoverer and the forgotten one can be.

The dispute over who deserves the credit was bitter in its own time, Morton spent years and a fortune trying to patent and monetize his ether preparation, litigating against Wells, Long and the chemist Charles Jackson who had originally suggested ether to him, and it remains genuinely open among historians rather than settled by later consensus. What is not in dispute is the effect: within months of Morton's demonstration, ether anesthesia had crossed the Atlantic and begun to remake surgery from a desperate, restrained-patient ordeal into a procedure a patient could survive unconscious, the foundation on which the entire modern practice of surgery would be built.

Connections

Associated With

James Young Simpson introduced chloroform into obstetric practice for the first time in a delivery on 8 November 1847, a landmark in obstetric anesthesia.

Source James Young Simpson

Held Differently

Crawford Long, Healers

Used ether surgically in 1842, four years before Morton, but did not publish until 1849.

Source The Greatest Benefit to Mankind: A Medical History of HumanityRoy Porter
Additional Source WikipediaWikipedia contributorsHistory of general anesthesia, Crawford Long section
Horace Wells, Healers

Demonstrated nitrous oxide anesthesia publicly in January 1845, a year before Morton, but the demonstration failed and was not credited at the time.

Source The Greatest Benefit to Mankind: A Medical History of HumanityRoy Porter

Discovered By

William Morton, Healers

Why this is disputed. Most widely credited for the 1846 public demonstration that spread the practice.

Source The Greatest Benefit to Mankind: A Medical History of HumanityRoy Porter
Additional Source WikipediaWikipedia contributorsHistory of general anesthesia, priority dispute section

Long-Form Articles

Source The Greatest Benefit to Mankind: A Medical History of HumanityRoy Porter

Treats

Pain, Conditions
Source Wikipedia, Anesthesia
Sources
1. Wikipedia
Wikipedia contributors, Wikimedia Foundation
  • General anaesthesia article, lead
    General anaesthesia (UK) or general anesthesia (US) is medically induced loss of consciousness that renders a patient unarousable even by painful stimuli.
  • https://en.wikipedia.org/wiki/Anesthesia, lead section
    Anesthesia or anaesthesia is a state of controlled, temporary loss of sensation or awareness that is induced for medical or veterinary purposes.
  • Discovered By: Crawford Long, History of general anesthesia, Crawford Long section
    On 30 March 1842, he administered diethyl ether by inhalation to a man named James Venable, in order to remove a tumor from the man's neck.
  • Discovered By: William Morton, History of general anesthesia, priority dispute section
    For many years, Morton was credited as being the pioneer of general anesthesia in the Western hemisphere, despite the fact that his demonstration occurred four years after Long's initial experience.
View the Source
2. The Greatest Benefit to Mankind: A Medical History of Humanity
Roy Porter, W. W. Norton and Company, 1997
James Young Simpson
Royal College of Physicians of EdinburghAssociated With: Obstetrics and GynecologyView the Source
Wikipedia, Anesthesia
Treats: Pain, Lead: treats Pain
Quote, Treats: Pain, Lead: treats Pain
It may include some or all of analgesia (relief from or prevention of pain), paralysis (muscle relaxation), amnesia (loss of memory), and unconsciousness.
View the Source
Dissenting Readings (1 dissenting reading)
Discovered By: William Morton

Crawford Long administered ether to remove a tumor from James Venable in Jefferson, Georgia on 30 March 1842, and went on to use it for further surgery, amputations and childbirth, all before William Morton's public 16 October 1846 demonstration at Massachusetts General Hospital. Long delayed publishing his results until 1849, and it was Morton's public, witnessed demonstration in a teaching hospital that actually established ether anesthesia in medical practice, so Morton became the name history remembers even though the documented timeline favors Long's priority. Horace Wells had also used nitrous oxide for dental extractions in December 1844, ahead of Morton, but a failed 1845 public demonstration undercut his claim. The atlas already records all three as discovered-by variants; this dissent names the specific reasoning against treating Morton's credit as settled rather than contested.

A dissenting reading, from an independent laneWikipedia contributors, Wikipedia, Wikimedia Foundation
Frequently Asked Questions

Who actually discovered surgical anesthesia, Crawford Long or William Morton?

Crawford Long used ether for surgery in Georgia in March 1842, four years before Morton's public 1846 demonstration, but Long did not publish his results until 1849, so Morton received the credit history remembers.

Crawford Long, a physician in Jefferson, Georgia, administered ether to a patient named James Venable on 30 March 1842 before removing a tumor from his neck, then used ether again on the same patient and went on to use it for amputations and childbirth. William Morton did not publicly demonstrate ether anesthesia at Massachusetts General Hospital until 16 October 1846, four years after Long's first use. Long delayed publishing his results until 1849, and by then Morton's public demonstration before an audience of physicians had already established ether anesthesia in medical practice and in public memory. Horace Wells had also experimented with nitrous oxide for dental extractions in December 1844, ahead of Morton, but a failed public demonstration in 1845 damaged his own claim. This atlas records discovered-by relationships to all three men, with Morton's carrying the stance most historical accounts hold and Long's and Wells's recorded as documented variant claims, alongside a dissent on the historiographical dispute itself.

Why does this entry list three different people as having discovered anesthesia?

Because the historical record supports competing priority claims: Crawford Long used ether surgically first in 1842, Horace Wells used nitrous oxide for dentistry starting in 1844, and William Morton's 1846 public demonstration is what actually established anesthesia in practice and is credited as the discovery in most accounts.

The historical record supports competing priority claims rather than one clean discovery date. Crawford Long used ether surgically first, in March 1842, but did not publish and so left little mark on contemporary medical practice. Horace Wells used nitrous oxide for dental extractions starting in December 1844, ahead of Morton, but a failed public demonstration in 1845 undercut his claim. William Morton's October 1846 public demonstration at the Massachusetts General Hospital Ether Dome is what actually established anesthesia in surgical practice, and for many years he was credited in most accounts as the pioneer even though his demonstration came four years after Long's. This atlas records all three as discovered-by relationships, Morton's carrying the stance most accounts hold and the other two recorded as documented variant claims, and carries a dedicated dissent and a longer article, The Contested Birth of Surgical Anesthesia, on the dispute.
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