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I have read of the precautions to avoid injections, IV`s or blood drawing from a lumpectomy side. But, I would like to know whether using the arterial line for surgery purposes, on the side of a lumpectomy where lymph nodes were removed, has no risk, less risk or more risk of developing lymphedema.


I think that would have minimal risk. Lymphedema is thought to occur when lymphatic flow in the arm is blocked, most commonly by a tourniquet or blood pressure cuff. Injections or IVs can lead to infection or swelling that can also lead to lymphedema. An arterial line is generally placed with sterile technique and there is no tourniquet used. I would not think the risk would be high for that procedure.

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