THE CHEMICAL OBLITERATION OF VARICOSE VEINS

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Abstract
Drawing their inspiration from the method used for the treatment of aneurysms, the investigators of the last half of the last century, particularly Praraz and the school of Lyons, had recourse to the coagulation action of ferric chloride for the obliteration of varicosities. They injected into the veins two or three drops of a 30 per cent solution at weekly intervals and the vein became transformed into a fibrous cord. Weinhemer in 1884 treated thirty-two cases with 411 injections of ferric chloride, giving as many as nine injections at one sitting. Among his patients there were eighteen who developed partial gangrene and one an abscess. Several fatalities were noted and treatments were shortly abandoned. In 1880, Negrette used injections of ferric chloride but in too small a number of cases to arrive at a definite conclusion. Tavel of Berne used a 5 per cent phenol (carbolic acid) solution in conjunction

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