CHRONIC SYNOVITIS—DROPSIES. « ' 335° 
-infected,.the hair cut short, the skin is shayed over.a wide surface, its. 
greasy secretion wiped off with ether, and then washed. with: Van 
‘Swieten solution, and a compress moist with the same solution kept ‘over 
:the region. -The animal cast and the leg. properly secured, the compress 
-is removed and a new disinfection of the skin made; with an incision.. 
‘parallel to the long axis of the synovial, open it where it is most super— 
“ficial, remove the fluid, the riziform granulations it may contain, with. the. 
finger or the curette, take off the fibrinous clots deposited, on the surface:- 
:of the serous, wash off the cavity with an antiseptic solution (sublimate- 
I p. 1000 or phenic acid 3 p. 100), make:a partial synovectomy in excis- 
ing a piece of the walls, close it with silk stitches and apply a wadded. 
dressing completed with a plastered bandage. . Be careful that the horse-- 
does not bite or kick the dressing off. The progress of the trauma is in—- 
dicated by the general condition. After three or four days, generally the: 
wound is closed, but the cicatrix is not strong. It is better not to re-- 
move the dressing for a week. : 
With this operation, Ries has cured a chronic synovitis of the great. * 
sesamoid and one dropsy of the precarpal sheaths of the anterior extensor 
of the phalanges, which had both resisted other means. 
Let us also mention the drainage of the synovia, studied in horses by 
Trinchera. It consists in making a small incision on the upper part of” 
the synovial or one of its cul de sacs, in evacuating the fluid, making a | 
counter opening on the most dependent part of the tumor, introducing a. 
drainage tube through and irrigating the synovial with a sublimate solution 
I p. 1000. Serious inflammatory symptoms follow, which last for three or - 
four weeks and gradually diminish as suppuration disappears. The free~ 
surface of the synovial becomes covered with granulations, but in favor- 
able cases the walls will not unite but become covered with an endothelial 
layer and the freedom of the movements remains. This treatment, usedf~ 
until to-day only for dropsy of the synovial of the extensors of the front o.. 
the knee, hock and fetlock, might be applied to carpal and tarsal sheaths... 
SpEcIAL-CHRONIC SYNOVITIS AND DRopsIEs. 
I— Sheath of the Biceps (Coraco-Radialis). 
Sometimes the sheath alone is affected, sometimes also the tendon. Im... 
fact, most ordinarily, it is not only a simple synovial dropsy, but a dvy~ 
synovitis ox teno-synovitis. If the contusions of the shoulder and upper - 
‘part of the arm are its ordinary causes, at times the affection is brought 
about by heavy trotting work, violent efforts in pulling upon uneven. 
ground; it is quite frequent in omnibus and tramway horses (Williams)... 
