Taking Blood for Transfusion
نویسنده
چکیده
Sir,?I have read with interest the article on ' Taking blood for transfusion' by Lieut-Colonel S. D. S. Greval, i.m.s., and Dr. S. N. Chandra, in the January issue of the Gazette. As blood transfusion is still in its infancy in India, suggestions for making it easy to perform with safety both to donor and recipient are to be welcomed. I wish to make the following observations:? 1. Complaints regarding incisions on veins may be prevented by laying down, as the London blood transfusion service does, certain conditions, (a) Only persons with prominent veins must be accepted as blood donors. (b) The needle method of extraction of blood must be insisted upon and dissection of the vein forbidden. (c) Donors must be instructed to refuse to serve if dissection is attempted. (d) The transfusion must be performed by a skilled surgeon and not by inexperienced house surgeons. (e) The site of the venipuncture must be infiltrated with a local anaesthetic such as 2 per cent novocain or novutox. The insertion even of a large bore needle is then painless. 2. The application of the sphygmomanometer cuff to the donor's arm has now rightly become an almost standard method of making the veins prominent. The cuff is inflated to a pressure of 67 to 70 mm. when the veins are rendered prominent without any arterial constriction. Further, the pressure is regulated more easily and with less disturbance than with an ordinary
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عنوان ژورنال:
دوره 75 شماره
صفحات -
تاریخ انتشار 1940