• Mohammad Reza Keramati, Mahdi Balali-Mood, Seyed Reza Mousavi, Mahmood Sadeghi, and Bamdad Riahi-Zanjani.
• Cancer Molecular Pathology Research Center, Imam Reza Hospital, Mashhad University of Medical Sciences, Mashhad, Iran.
• J Res Med Sci. 2013 Oct 1; 18 (10): 855859855-9.

BackgroundSulfur mustard (SM) is an incapacitating chemical warfare agent, which has been widely employed in particular regions including Iran. We investigated and reported delayed biochemical and hematological complications of SM in severely toxic Iranian veterans 23 years after exposure.Materials And MethodsForty-two Iranian veterans, residents of Khorasan Razavi, poisoned by SM, and suffering from clinical complications were investigated. A total of 30 healthy male volunteers were also selected as a control group. Biochemical and hematological variables were measured for the case and control groups. Data were analyzed using a Student's t-test by InStat software (GraphPad Inc., San Diego, CA) to determine significant differences between the data from the two groups.ResultsThe percentages of reticulocytes were significantly higher in patients (0.82 ± 0.04, P < 0.05). Total protein and albumin levels were significantly lower in veterans (total protein: 7.58 ± 0.07 g/dL, albumin: 4.97 ± 0.04 g/dL, P < 0.01). In addition, we observed a significant increase in serum cholesterol (226.74 ± 5.23 mg/dL, P < 0.01), triglyceride (173.53 ± 17.05 mg/dL, P < 0.05), and gamma-glutamyl transferase (GTT) activity of the patients (44.04 ± 3.35 IU/L, P < 0.05).ConclusionResults showed that SM can cause long-term effects on some biochemical factors of veterans. As many of the functional tests of liver and kidney between two groups were statistically unchanged, it seems that the observed biochemical changes may be secondary to delayed respiratory complications of the patients.

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