The Boston medical and surgical journal (1874) (14585065647)

Identifier: bostonmedicalsur9091mass (find matches)

Title: The Boston medical and surgical journal

Year: 1875 (1870s)

Authors: Massachusetts Medical Society New England Surgical Society

Subjects: Medicine Surgery

Publisher: Boston, Cupples, Upham & Co

Contributing Library: Yale University, Cushing/Whitney Medical Library

Digitizing Sponsor: The College of Physicians of Philadelphia and the National Endowment for the Humanities

Text Appearing Before Image:

ith impunity.* 3. Immediate trans-fusion from vein tovein has been reviv-ed and perfected byDr. Aveling,f whoseinstrument as he veryjustly remarks formsan anastomosis be-tween the circulato-ry system of the twoindividuals (they be-come Siamese twinsfor the time being).It consists of a rub-ber tube, about a footlong, with a bulb atthe centre. Twocanulse are insertedinto one of thelarger brachial veinsof the patient and ofthe blood-donor re-spectively—the for-mer being directedtoward the heart todischarge the blood,and the latter towardthe periphery so asto receive it. Thereare no valves tothe pump, forfear they might be-come centres for theformation of fibri-nous clots ; as a sub-stitute for them, thefinger and thumb ofthe left hand aremade to compressthe tube on one orthe other 6ide of thebulb, according asthe bulb is expectedto forward its con-tents toward the pa-tient or to re-fill itselffrom the veins of the donor. Before being affixed to the canulae, the tube is filled with warm

Text Appearing After Image:

* Etudes sur la Transfusion du Sang. Paris, 1868.t Obstetrical Journal of Great Britain, i. 5 and 6. 32 MEDIOAL AND SURGICAL JOURNAL. water, so that the first syringeful injected is pure water ; this has notproved deleterious. This process is repeated as often as is thoughtdesirable, the amount of blood transfused being gauged by the num-ber of times the pump is emptied, its capacity being two drachms.This procedure of Dr. Avelings has been seven times successfullyapplied in England, and it certainly offers more advantages than anyof the others. These advantages are thus stated by the author :— a. The exact quantity of blood required is taken from the donor,and no more. b. No delay is caused by previous complicated manipulations of theblood, it being allowed to pass from vein to vein physiologically un-changed. c. The chances of coagulation are small, because the blood is re-moved from the action of the living vessel for only a few seconds, andglides smoothly through the India-rubbe

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1874

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