Abstract
BackgroundMalnutrition and inflammation are common and serious complications in patients with acute kidney injury (AKI). However, the profile of these complications in patients with AKI caused by crush syndrome (CS) remains unclear. This study describes the clinical characteristics of malnutrition and inflammation in patients with AKI and CS due to the Wenchuan earthquake.MethodsOne thousand and twelve victims and eighteen healthy adults were recruited to the study. They were divided into five groups: Group A was composed of victims without CS and AKI (904 cases); Group B was composed of patients with CS and AKI who haven't received renal replacement therapy (RRT) (57 cases); and Group C was composed of patients with CS and AKI receiving RRT (25 cases); Group D was composed of earthquake victims with AKI but without CS (26 cases); and Group E was composed of 18 healthy adult controls. The C-reactive protein (CRP), prealbumin, transferrin, interleukin-6 and TNF-α were measured and compared between Group E and 18 patients from Group C.ResultsThe results indicate that participants in Group C had the highest level of serum creatinine, blood urea nitrogen and uric acid. Approximately 92% of patients with CS who had RRT were suffering from hypoalbuminemia. The interleukin-6 and CRP levels were significantly higher in patients with CS AKI receiving RRT than in the control group. Patients in Group C received the highest dosages of albumin, plasma or red blood cell transfusions. One patient in Group C died during treatment.ConclusionsMalnutrition and inflammation was common in patients with earthquake-related CS and had a negative impact on the prognosis of these subjects. The results of this study indicate that the use of RRT, intensive nutritional supplementation and transfusion alleviated the degree of malnutrition and inflammation in hemodialysis patients with crush syndrome.
Highlights
Malnutrition and inflammation are common and serious complications in patients with acute kidney injury (AKI)
They were divided into five groups: Group A was composed of victims without crush syndrome (CS) and AKI (904 cases); Group B was composed of patients with CS and AKI who haven't received renal replacement therapy (RRT) (57 cases); and Group C was composed of patients with CS and AKI receiving RRT (25 cases); Group D was composed of earthquake victims with AKI but without CS (26 cases); and Group E was composed of 18 healthy adult controls
The results revealed that the participants with CS and AKI had significantly increased the levels of BUN, serum creatinine, plasma glucose, uric acid, serum potassium, serum phosphorus, aspartate aminotransferase (AST), serum lactate dehydrogenase (LDH) and creatinine kinase (CK)
Summary
Malnutrition and inflammation are common and serious complications in patients with acute kidney injury (AKI). The profile of these complications in patients with AKI caused by crush syndrome (CS) remains unclear. This study describes the clinical characteristics of malnutrition and inflammation in patients with AKI and CS due to the Wenchuan earthquake. Acute renal failure, which is referred to as acute kidney injury (AKI) [1], is a significant clinical problem that has an independent and major negative impact on patient outcomes [1,2,3]. The characteristics of malnutrition in patients with AKI caused by crush syndrome (CS) have remained unclear.
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