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Article in Chinese | WPRIM | ID: wpr-460624


With the rapid development of medical imaging technique, iodinated contrast media (IOCM) has become the most commonly used agent in performing imaging diagnosis and interventional therapy. The use of IOCM, especially the use of non-ionic iodine contrast media, has been swiftly increased in recent years. The accompanying untoward reactions, such as allergic reactions, cardiovascular reactions, contrast media nephropathy, thyroid toxicity, etc. prove to be the new problems that greatly perplex the medical circle. With the continuous improvement of the knowledge to the untoward reactions, more and more physicians have paid attention to contrast media induced thyroid toxicity. At present, researches concerning iodine contrast media thyroid toxicity are still few, and the relevant research is particularly rare in China. This paper aims to make a review about the influence of different kinds of iodine contrast media on thyroid function.

Article in Chinese | WPRIM | ID: wpr-442527


Objective To analyze the clinical significance of four kinds of microalbuminuria detection in early diagnosis of iodinated contrast agent damage to kidney by studying four elements in the patients' urine:microalbumin (mAlb),immunoglobulin G (IgG),α1-microglobulin (α1-MG) and β2-microglobulin (β2-MG).Methods 106 patients who have received percutaneous coronary interventional therapy were chosen and divided into group A(angiography dose < 100ml,n =51) and group B (angiography dose ≥ 100ml,n =55) according to the amount of contrast agent used.Changes in the amount of mAlb,IgG,α1-MG and β2-MG levels,serum creatinine(Scr),endogenous creatinine clearance rate(eGFR) in the urine of the patients before and after the surgery were observed.Results Postoperative α1-MG and β2-MG levels in the urine of group A higher than before surgery (t =-6.748,-11.173,all P <0.0 5).2 4 hours after the surgery,mA1b,IgG,α1-MG and β2-MG levels in group B were elevated than before surgery,and the differences were significant(t =-6.223,-3.518,-11.532,-10.773,all P < 0.05).Two groups had significant differences in terms of mAlb,IgG,α1-MG and β2-MG levels after the surgery (F =27.306,4.704,5.118,19.011,all P < 0.05).Conclusion Four kinds of microalbuminuria detecting are conducive to early diagnosis of iodinated contrast agent damage to kidney and assessing the damage degree.The contrast agent damage to kidney first occurs as the renal tubular damage.When the contrast agent was used at a dosage of more than 100ml,glomerular damage occurred.