He discovered in
this case that, though all supply of blood to the blood-vessels of the
right arm was apparently cut off, the circulation was kept up by the
interosculating blood-vessels, the pulsation at the wrist maintained,
and no evidence of loss of vitality or warmth manifested in the limb.
The patient finally died from secondary hemorrhage."
In 1828 he performed successfully the most difficult and dangerous
operation known to surgery. A clergyman called upon him to remove an
enormous tumor in the neck, in which were imbedded and twisted many of
the great arteries. In this operation it became necessary to take out
entire the right clavicle or collar bone, to lay bare the membrane which
surrounds the lungs, to search for and dissect around the arteries which
ran through the tumor, to make forty ligatures, and to remove an immense
mass of diseased matter. This terrible operation had never been
attempted before, and was performed by Dr. Mott without the aid of
chloroform; yet it was done so skillfully that the patient survived it,
and in 1865 was still living and discharging his ministerial duties. It
was thirty years before it was attempted again in any part of the world.
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