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Thrombosis of the Iliac Arteries
The Veterina1J' Journal. removed it by means of the· ecraseur, plugged the canal with sterilized gal,lze, and suttired the skin wound and dusted its .vicinity with iodoform. I next proceeded in exactly the same way on the other side, in which the same condition of affa irs was experienced. In my opinion the procedure is easier in the complete than in the incomplete abdominal cryptorchid, as in the latter case the presence of the tunica vaginal is and epididymis in the canal hampers the operator by coming in hi s way during exploration. The opening in the tunica vaginalis is so small and non-dilatable that it is impossible to draw the testicle throu g h it, even when the latter is small. I never hesitate about opening into the abdomen in such a case. I removed the plug in forty-eight hours. The horse was ve ry little troubled by the operation, the resulting swelling was less than after an ordinary castration, which is my usual experience when a normal testicle has not been removed at the same time. No exercise was allowed for ten days, then only at a walk. I am never anxious to exercise after rig castration. Any swelling that form s is harmless; indeed, I think it is useful in preventing any tend ency there might be to eventration of the bowels, which, however, has not occurred in my experience. With such small openings, situated hi g h up, there would be little dang er of its occurrin g in thi s or similar cases, but it is well to "make assurance doubly sure ." The horse was kept in a loose box and not allowed too much bulky diet; the wounds were splashed daily with antiseptic lo~ion . The animal was discharged in a fortnight after the operation.
THROMBOSIS OF THE ILIAC ARTERIES. By J.
J. O'CONNOR, M .R.C.V .S.,
Professor in the Royal Veterinary ColIC/(e of he/and, Dublin.
Subject.-A seven-year-old bay carriage mare , of so mewhat peevish temperament, lashin g out when one attempted to handle her hind limbs. History.-After trotting for about ten minutes the mare became lame in the near hind limb, showing a difficulty in taking it forward . As she progressed further the lameness be-
Rupture
of the Colon £n a Horse.
679
came more marked and eventually she stopped , refusing to go any further and showing symptoms of general di stress. This was the only avai lable hi story . I saw the mare trotted in the ring at a fast pace and full y ten minute s elapsed before the lameness became di stinct, when she was not pressed further. This amount of exercise was not sufficient to cause sweating or much di stress, but for about five minute s after it the mare seemed to suffer stinging pain in the affected limb, lifting it frequently. The veins on the lame limb were not so prominent as tho se on the other limb, and the former was colder than the latter. A rectal examination was not made. The case had a lready been dia g no sed by another veterina ry surg eon, who kindly allowed me the privilege of seeing it ju st before destroying the mare . Post M 0I'tclH.-A large pale clot was found distending the posterior aorta at its division into the iliacs, all of which, except the rig ht external iliac, were apparently completely occluded. There was a large aneurism with calcareous walls in the posterior mesenteric artery. It was sai d that this mare 's mother suffered from the same affection.
R UPTURE OF THE COLON IN A HORSE. By
J. J.
O'CONNOR,
~.R. C.V .S . ,
Fro/essOl' ill the Royal Vete1'l'/lary College 0/ h'e/and, D ublill.
Subject.-A very old bay gelding, the property of a hawker . History .-The previous day the horse g ot a bi g feed of grass cut from a garden, after which he showed symptoms of colic. for which the owner administered about a pint of oil, and as 110 improvement occurred, it was sent in for treatment. Symptoms.-The animal was extremely weak, barely able to stand, and was in a condition qf profound dejection, with imperceptible pul se. A stimulating draught was administered, after which the hor se, which was on the grass in the quadrang le , kept backing , and vo mited , with slight reg urg itatin g noi se, a small quantity of food material, which escapeCl. through the no strils . Within one hour afterwards he died. Post M ortem.-The moment the abdominal cavity was opened
THROMBOSIS OF THE ILIAC ARTERIES. By J.
J. O'CONNOR, M .R.C.V .S.,
Professor in the Royal Veterinary ColIC/(e of he/and, Dublin.
Subject.-A seven-year-old bay carriage mare , of so mewhat peevish temperament, lashin g out when one attempted to handle her hind limbs. History.-After trotting for about ten minutes the mare became lame in the near hind limb, showing a difficulty in taking it forward . As she progressed further the lameness be-
Rupture
of the Colon £n a Horse.
679
came more marked and eventually she stopped , refusing to go any further and showing symptoms of general di stress. This was the only avai lable hi story . I saw the mare trotted in the ring at a fast pace and full y ten minute s elapsed before the lameness became di stinct, when she was not pressed further. This amount of exercise was not sufficient to cause sweating or much di stress, but for about five minute s after it the mare seemed to suffer stinging pain in the affected limb, lifting it frequently. The veins on the lame limb were not so prominent as tho se on the other limb, and the former was colder than the latter. A rectal examination was not made. The case had a lready been dia g no sed by another veterina ry surg eon, who kindly allowed me the privilege of seeing it ju st before destroying the mare . Post M 0I'tclH.-A large pale clot was found distending the posterior aorta at its division into the iliacs, all of which, except the rig ht external iliac, were apparently completely occluded. There was a large aneurism with calcareous walls in the posterior mesenteric artery. It was sai d that this mare 's mother suffered from the same affection.
R UPTURE OF THE COLON IN A HORSE. By
J. J.
O'CONNOR,
~.R. C.V .S . ,
Fro/essOl' ill the Royal Vete1'l'/lary College 0/ h'e/and, D ublill.
Subject.-A very old bay gelding, the property of a hawker . History .-The previous day the horse g ot a bi g feed of grass cut from a garden, after which he showed symptoms of colic. for which the owner administered about a pint of oil, and as 110 improvement occurred, it was sent in for treatment. Symptoms.-The animal was extremely weak, barely able to stand, and was in a condition qf profound dejection, with imperceptible pul se. A stimulating draught was administered, after which the hor se, which was on the grass in the quadrang le , kept backing , and vo mited , with slight reg urg itatin g noi se, a small quantity of food material, which escapeCl. through the no strils . Within one hour afterwards he died. Post M ortem.-The moment the abdominal cavity was opened