The international encyclopaedia of surgery; a systematic treatise on the theory and practice of surgery . prone to attack theintima, and, while it is not entirely confined in its depredations to this coat,the changes it produces are never as constant in the other coats as in this. Atheroma causes a weakening of the walls and general or saccular dilata-tion; syphilitic arteritis tends to more or less complete occlusion of the vessels,due to inflammatory cell new-formation (chiefly) of the intima. And whilethe inflammatory process may be somewhat aided by the direct irritationof the poisoned blo
The international encyclopaedia of surgery; a systematic treatise on the theory and practice of surgery . prone to attack theintima, and, while it is not entirely confined in its depredations to this coat,the changes it produces are never as constant in the other coats as in this. Atheroma causes a weakening of the walls and general or saccular dilata-tion; syphilitic arteritis tends to more or less complete occlusion of the vessels,due to inflammatory cell new-formation (chiefly) of the intima. And whilethe inflammatory process may be somewhat aided by the direct irritationof the poisoned blood current passing along the vessel in contact with theintima, I believe that this inflammatory poison travels chiefly in the lineof blood supply through the vasa vasorum. Rheumatic Arteritis.—Arteritis may occur in connection with acute rheu-matism. Bryant states that this is a rare form of disease. Rheumatic endo- Fig. Arteritis with chronic nephritis. Section from posterior tibial artery of patient dead from Brights disease, show-ing at A great thickening of the intima, the result of chrouic endarteritis. The elastic lamina d muscular layer b slightly thickened, c, adventitia greatly thickened at places by small-cell from specimens prepared by Dr. W. L. Wardwell at Cohnheims Laboratory. (Magnified about 40 dia-meters.) carditis is not so rare, and it is possible that endarteritis may exist in theaorta in many cases of endocarditis. This and the arteritis of gout andnephritis (Fig. 527) belong to the domain of medicine, rather than to that ofsurgery, andwill not therefore be considered in this work. The treatment of arteritis resolves itself simply into the treatment of thedisease of which it is a part. It would be useless to increase the length ofthis article by a recapitulation of the various methods and remedies whichhave been employed. If the pathogeny and pathol
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