• Gaozhong Hu, Yizhi Peng, Fan Wang, Minghua Zhu, and Yali Gong.
• Institute of Burn Research, Southwest Hospital, State Key Laboratory of Trauma, Burns and Combined Injury, the Third Military Medical University, Chongqing 400038, China.
• Zhonghua Shao Shang Za Zhi. 2014 Jun 1;30(3):213-8.

ObjectiveTo observe the effects of blood purification in the treatment of burn sepsis, in order to provide evidence for its application.MethodsTwenty-seven patients with burn sepsis admitted to our burn ward from June 2012 to December 2013, conforming to the study criteria, were divided into conventional treatment group (CT, n = 15) and blood purification group (BP, n = 12) according to the random number table. After the diagnosis of sepsis was confirmed, patients in group CT received CT, while patients in group BP received both CT and continuous veno-venous hemodiafiltration for 48 hours. At the time of diagnosis of sepsis (before treatment) and post treatment hour (PTH) 24 and 48, levels of blood lactate and PaO2 were analyzed with blood gas analyzer, and the oxygenation index (OI) was calculated; blood sodium, blood glucose, blood urea nitrogen (BUN), creatinine, white blood cell count (WBC), procalcitonin (PCT) were determined; acute physiology and chronic health evaluation (APACHE) II score was estimated basing on the body temperature, respiratory rate, mean arterial pressure, PaO2, and blood pH values. The levels of TNF-α, IL-8, and IL-6 in serum were determined by ELISA. Data were processed with Fisher's exact test, t test, analysis of variance for repeated measurement, LSD- t test, and LSD test.Results(1) The levels of blood lactate of patients in group BP were significantly lower than those of group CT at PTH 24 and 48 (with t values respectively 1.62 and 2.44, P values below 0.05). Compared with that detected before treatment, the level of blood lactate in group BP was significantly decreased at PTH 48 (P < 0.05). The OI values of patients in group BP at PTH 24 and 48 [(247 ± 30), (288 ± 41) mmHg, 1 mmHg = 0.133 kPa] were significantly higher than those of group CT [(211 ± 32), (212 ± 30) mmHg, with t values respectively 3.02 and 5.63, P values below 0.01]. Compared with that detected before treatment, the OI values of patients in group BP at PTH 24 and 48 were significantly higher (P values below 0.01). (2) Compared with those of group CT at PTH 24 and 48, the levels of blood sodium, BUN, and creatinine were significantly lower (with t values from 1.74 to 6.75, P < 0.05 or P < 0.01), while the level of blood glucose was approximately the same (with t values respectively -0.92, -0.38, P values above 0.05) in group BP. Compared with those detected before treatment, the levels of blood sodium, BUN, and creatinine of group BP at PTH 24 and 48 were significantly lower (P < 0.05 or P < 0.01). (3) The levels of WBC and PCT of patients in group BP at PTH 24 and 48 were significantly lower than those of group CT (with t values from 2.11 to 6.63, P < 0.05 or P < 0.01). Compared with those detected before treatment, the levels of WBC and PCT of patients in group BP at PTH 24 and 48 were significantly lower (P < 0.05 or P < 0.01). (4) The APACHE II scores of patients in group BP at PTH 24 and 48 [(18.7 ± 2.6) and (16.7 ± 3.0) scores] were significantly lower than those of group CT [(23.1 ± 1.6) and (25.5 ± 1.6) scores, with t values respectively 5.44 and 9.87, P values below 0.01]. Compared with those calculated before treatment, the APACHE II scores of patients in group CT were significantly increased (P < 0.05 or P < 0.01), while those in group BP were decreased at PTH 24 and 48 (P < 0.05 or P < 0.01). (5) The levels of TNF-α, IL-6, and IL-8 in serum of patients in group BP at PTH 24 and 48 were significantly lower than those of group CT (with t values from 6.12 to 19.78, P values below 0.01). Compared with those detected before treatment, the levels of TNF-α, IL-6, and IL-8 in serum of group BP at PTH 24 and 48 were significantly decreased (with P values below 0.01).ConclusionsBP+CT is effective in improving organ function, correcting the disorder of internal environment, and controlling inflammation. Therefore, BP is an important method in the treatment of burn sepsis.

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