Clinical Research Papers:
Effects of continuous renal replacement therapy on serum cytokines, neutrophil gelatinase-associated lipocalin, and prognosis in patients with severe acute kidney injury after cardiac surgery
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Heng-jin Wang1,2,*, Pei Wang3,*, Nan Li1,*, Cheng Wan1, Chun-ming Jiang1, Jing-song He1, Dong-jin Wang4, Miao Zhang1 and Ling-yun Sun2
1 Department of Nephrology, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
2 Nanjing Drum Tower Hospital, Nanjing Medical University (Nanjing University of Chinese Medicine), Nanjing, China
3 Nanjing Maternity and Child Health Hospital, Nanjing Medical University, Nanjing, China
4 Department of Cardiac Surgery, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
* These authors have contributed equally to this work
Miao Zhang, email:
Keywords: continuous renal replacement therapy; acute kidney injury; multiple organ dysfunction syndrome; cardiac surgery; cytokines
Received: July 16, 2016 Accepted: September 08, 2016 Published: November 09, 2016
The aim of our study was to evaluate the effect of continuous renal replacement therapy (CRRT) on serum cytokines, neutrophil gelatinase-associated lipocalin (NGAL), and prognosis in patients with severe acute kidney injury (AKI) following cardiac surgery. A total number of 153 patients with severe AKI following cardiac surgery were treated with CRRT. They were divided into the survival and non-survival groups. Clinical data from these two groups before and after CRRT were recorded and analyzed. It was found that the number of impaired organs, MODS and APACHE II scores were significantly higher in the non-survival group than those in the survival group before CRRT. After CRRT, MODS and APACHE II scores decreased significantly. The post-CRRT levels of serum TNF-α and IL-6 were significantly decreased. After CRRT, serum NGAL decreased in the two groups, but the levels were higher in the non-survival group than those in the survival group. MODS and APACHE II scores could be used to evaluate the severity of AKI in patients after cardiac surgery. CRRT is an effective treatment for these patients and high levels of TNF-α, IL-6, and NGAL are associated with a poor prognosis in these patients.
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