The Cocaine For Operation De Eyes
The Incas were first in using the anesthetic premises, with the juice
produced when the chewing cocaine leaves, that were used, in the context
of chamánicos rituals, during the trepanations applied to the insición
macerated of leaves EC a cocaine, for the sanación of hurt and
lightening of the pain.
Albert Niemann of Germany in 1860 isolated the alkaloid of the leaves
of the cocaine (erithroxylon cocaine) in crystalline form and it called
cocaine to him, reporting the entumecedor effect of the drug in the language.
Nevertheless, attention to this fact was not put. Koller ophthalmologist,
who discovered in his Viennese clinic that impregnating the conjunctiva
coat with cocaine he could carry out interventions of ocular surgery without
pain.
This fact did not happen unnoticed, especially when the general anesthesia
of that time reached not at all despicable numbers of mortality. Koller
eager to reach the fame at that so fertile time of scientific discoveries
began to experiment with the cocaine. It had read the work of Freud and
he was already sure that it would serve to anesthesia the eye.
It practiced several experiments, first with a frog: When the eye dealt
with the drug was scratched or punctured she it contemplated to us with
calm, but it responded with agitation before the smaller touch in the
other eye. Soon it continued experiencing with rabbits and dogs and finally
with some friends and he himself.
Thus it went as it were surprised when verifying that the eye was totally
anestesiado applying a cocaine solution dissolved in water. The operations
of cataract and the iridectomías could be made more easily and
without pain.
In September 15 of 1884, Car it Koller Congress of Ophthalmology of Heidelberg
reported its investigations with cocaine in the 16 and from then the use
of the cocainización of the eye became general to provide local
anesthesia.
The work was read in the mentioned event by doctor Brettauer, since
Koller did not have money sufficient to pay the trip. It caused sensation.
In the same year, Herman Knapp, outstanding North American ophthalmologist,
published the translation of the work of Koller in the magazine You file
of Ophthalmology and began its diffusion by all America.
Carl Ludwig Schleich later made the first local anesthesia by infiltration
few years, and was a North American surgeon, William Halstead, that developed
the first selective nervous blockades in its own jaw. Soon the new anesthetic
less toxic premises, estovaína were synthesized and procaína,
and the first treaty of local anesthesia in 1905 by Heinrich Braun was
published.
The locorregional anesthesia was used like alternative to the general
anesthesia, in patients frequently considered "fragile" to support
the ether inhalation. Throughout the years, the fashions go and come in
this field, frequently influídas by the development of new techniques,
material and drugs.
Autor: Hidrocodone Para Dolores.
Fecha:
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