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As your GFR is acceptable , you can go ahead with contrast study and drink good amount of water before and after the procedure. Barium study is also safe and it won't get absorbed from the intestines and unlikely to get into blood circulation and affect the kidney function
I assume that you do not have any pre-existing Kidney disease or chronic disease like Diabetes.
Hope this helps
Feel free to ask followup questions.
Patient replied :
Well, the right side of my lower back has been hurting. I have experienced the most pain after laying, and sleeping. I have no history of kidney disease. I am concerned that if this is a mono infection, or maybe strep that has been hiding out, that my kidneys could be further damaged by the iodine contrast. Should I try and get some antibiotics to see if things clear up, or go through with the ct scan first?
YOU are unlikely to get contrast induced nephropathy ( CIN). You can get ultrasound abdomen to see whether there are any lymph nodes pressing the lower part of ureter or bladder. You also can get urine culture tests done once to rule out the presence of urinary tract infection.
People of elderly aged, diabetics, those on concurrent nephrotoxic drugs, those with lowered kidney function due to any etiology, dehydration, systemic severe sepsis etc are vulnerable for CIN.
You drink good amount of water so that contrast will not affect your kidneys. Doctors doing the procedure also will take all required precautions to see that they wont give more than 100 ml of contrast during the procedure.
Hope this answered your queries.
Dr. Sree Bhushan Raju
MD, DM (AIIMS), DNB, FISN, FICP, FIACM
Additional Professor & Head,
Dept of Nephrology
Nizam's Institute of Medical Sciences