New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1912-07-05
D|NS AORTA WITH TUBE|
Iu,nortant Experiments Made at
the Rockefeller Institute.
BETTER THAN VEIN GRATING
nr Carrel Says Thoracic Circu-
lation of Dog Was Normal
After Fifteen Months.

:, the July number of THE Journal ot
continental Medicine" DR.. Alexis Carrel
|.,s Rockefeller Institute for Medical Re
.,b discusses at length experiments
80, he has made for the permanent intu-
ton Of the thoracic aorta. Dir. Carrel
Is that while previously he has shown
,.., a segment of vein could be grated
.,.cessfully on the thoracic aOrta, and
-.us This procedure might prove to be the
,..a, treatment Of aneurysms on peripheral
..,sries the extrpation Of the aneurysmal
FAC and the transportation of vascular
..oc,ent upon the thcraciC aorta would be
..,orlicated and dangerous. lie has at
,.snn,ed. therefore, to determine the proper
..cbnjoue for intubating the aorta. as this
o,eretlon Is simpler and may prove more
satisfactory than grating. Or. Carrel
writes
The idea Of introducing a tube into the
,rn,en Of a vessel is not original In fact.
psrafined glass tubes are used in all ply
gological laboratories for securing an arti-
Sriai circulation Of blood.
I extirpated part Of the anterior wall of
the abdominal aorta of dog and replaced
/, nv piece OF rubber covered with vase
I,ns Fifteen months after the operation
he circulation was still normal. The vessel
wall was intact inside and outside Of the
rubber II was found also, that circulation
could take place for six days through a
ssss tube lying free in the abdominal
snrts Thrombosis occurred subsequently,
iatng- 10 the displacement OF the tube.
Encouraged by these results. | operated
ynon number OF dogs with the purpose
n learning the precautions that must be
taken in order to make the intuhauon sue
oassful In all instances the operations
we're performed on the thOracic aorta OF
medium sized dogs. The thoracic CAVITY
was opened under ether anesthesia by the
r,sthcd Of MeltZer and Auer, and a glass
Ar metal tube was inserted into the lulnen
n the descending aorta.
The animal was etherized and the hair
On the left side Of the thoraX was re-
moved BY sodium sulphid The skin was
mashed with alcohol and covered with ~
nsr cent tincture Of ioGin. Then Catheter
vas introduced into the trachea ana con
nsctsd with a Meltzer and Auer apparatus
which consisted of a foot bellows, an etheF
hottie and a small manometer' -,
Neyt the thOracic cavity was opened pS
an lncisiop through either the eighth or
foutth intercostal space. The pleura was
~; along the portion Of the aOrta that hdd
- he INUNDATED. but the aOrta itself was
M, dissected The wall of the aorta was
emf longjtudinally The edges of the IN
clsion were caught with two forcepS anu
The tube was Introduced into me IuIheh
If ha
aluminium Generally there was no hem
orrhage from the incisiOn through the
sortic wall and I'm some cases the opening
was not closed. Ten experiments were
made.
DR.. Carrel describes the case in minute
detail. His conclusions are that ";hora-
cotorny under either agsesthesia and hand
ing Of the thoracic aorta. Is not danger
QUA No post-operative pleurits or other
eomplication was observed, and during the
first week following the operation nearly
sl the animals remained in excellent
health" lie continues:
One animal Is living and normal at the
BEGINNING Of the fourth month after the
operation In this animal glass tune OF
relatively small Calibre, with smooth edses'
was introduced into the descending dOIld.
and fixed there 10y a single hgdtuTe u
coarse silk thread. 49,
These experiments have shown that un-
der certain conditions aOrtiC blood can no"
through glass tube for more than three
months without the occurrence OF an Oh
lucrative thromb bus. The success or ldlIuI .
~ Inc irtubstiOn depended upon the pres
snce or absence OF laceTaton o! I"r -
eirlaF wall Ii is probable that the use ol
.tu6e of proper calbre, form and com,
position, for instance, a smooth edged Solu
tube OF relatively small calibre, Would Ge
followed by better results Furtner eAPeIl-
nerts will show whether CoinphCdli -
can be completely eliminated, ana WIeIH.
the operation can be made sate ehyusL "
be used on human beings IN case ol o"0'
rysms Of the aorta.