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Protective effects of tiopronin against oxidative stress in severely burned patients

Authors Qin FJ, Hu XH, Chen Z, Chen X, Shen YM

Received 16 May 2019

Accepted for publication 9 July 2019

Published 13 August 2019 Volume 2019:13 Pages 2827—2832


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Dr Anastasios Lymperopoulos

Feng-Jun Qin, Xiao-Hua Hu, Zhong Chen, Xu Chen, Yu-Ming Shen

Department of Burns, Beijing Jishuitan Hospital, Beijing, People’s Republic of China

Objective: Tiopronin is an antioxidant. This study investigated the protective effect of tiopronin on oxidative stress in patients with severe burns.
Method: Patients aged between 16 and 65 years old with >30% body surface area burns admitted to our burn unit from July 2011 to September 2016 were randomly divided into 3 groups: group A treated with tiopronin (15 mg/kg. 24 hrs), group B with vitamin C (792 mg/kg. 24 hrs), the other group with standard treatment (group C). All 3 groups also received standard treatment. Blood superoxide dismutase (SOD), malondialdehyde (MDA), and the biochemical indexes of liver, kidney, and heart were determined before treatment and 24 and 48 hrs after treatment. Samples from 8 normal healthy adult volunteers were also measured. The resuscitation fluid volume requirement for the first 24 hrs was calculated for 3 groups.
Results: The serum levels of MDA and the biochemical indexes in severely burned patients were higher than those in healthy volunteers (P<0.01). The serum SOD level of burn patients was lower (P<0.01). After treatment, the levels of SOD increased, the levels of MDA decreased, and the biochemical indexes of heart, liver, and kidney improved; these changes were more obvious in group A and group B compared to group C (P<0.05), and these changes were more obvious in group A compared to group B (P<0.05) at 48 hrs after treatment. There is less resuscitation fluid volume requirement to maintain adequate stable hemodynamic and urine output in the first 24 hrs in group A and group B compared to group C (P<0.05).
Conclusion: Treatment with tiopronin could exert protective effects against burn-induced oxidative tissue damage and multiple-organ dysfunction, and also could reduce the volume of required fluid resuscitation in severely burned patients.

Keywords: burn, oxygen free radical, oxidative stress, tiopronin, vitamin C, severely burned patients

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