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논문분류	춘계학술대회 초록집
제목	The Role of Procalcitonin as Index of Inflammation in End-stage Renal Disease
저자	Jong-hun Baek, Hyun Lee Kim, Byung-chul Shin, Jong Hoon Chung
출판정보	2013; 2013(1):
키워드	프로칼시토닌, 투석, 말기신부전/Procalcitonin, Dialysis, End-stage renal failure
초록	Background and Objectives: Serum procalcitonin (PCT), the precursor of calcitonin, is a polypeptide of 116 aminoacid. It is measured at low level in healthy, but increased significantly in serious bacterial infection or sepsis. Although serum PCT reflects a severity of infection, it is known to be affected by some factors. Some studies show that serum PCT is increased in chronic renal failure or dialysis, without infection. In this study, we try to confirm the relevance to diagnosis of infection on end-stage renal disease (ESRD) patients with serum PCT concentration, and suggest the appropriate threshold level. Materials and Methods: We measured the serum PCT among 21 ESRD patients who receiving antibiotic therapy due to suspected bacterial infection in our hospital. And those were compared with the concentrations of 20 ESRD patients on hemodialysis without infection sign. We calculated a receiver operating characteristic curve (ROC curve) and cut-off value to diagnose infection or sytemic inflammatory response syndrome (SIRS). Results: Serum PCT concentrations of two groups were 0.50±0.49ng/mL and 2.95±3.67ng/mL (p=0.006), but they dose not correlate with severity. It demonstrated a sensitivity of 100.0%, specificity of 65.0% indicating infection. Conclusion: Serum PCT is an appropriate indicator of infection in patient receiving dialysis but it may need new cut-off point.
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