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Objective:To analyze the epidemiological characteristics, diagnosis and treatment of malaria in the peacekeeping mission area of the Democratic Republic of the Congo (DRC), and to evaluate the efficacy of artemisinin based combination therapy (ACT), to provide clinical basis for the diagnosis and treatment of malaria.Methods:The clinical data of malaria-infected peacekeepers admitted to the Chinese Secondary Hospital of the United Nations Stabilization Mission in DRC (MONUSCO) from January 2014 to September 2020 were collected, and the general information, incidence characteristics, treatment and clinical outcomes of the patients were retrospectively analyzed.Results:From January 2014 to September 2020, 362 peacekeepers were hospitalized with malaria, the average annual incidence case was 54 cases per year, and the annual incidence was 9.5/1 000, with a median of 2.5 days (1 - 9 days) from onset to diagnosis. Severe malaria accounted for 7.73% (28/362) and uncomplicated malaria accounted for 92.27% (334/362). The incidence rate was 37.57% (136/362) in the dry season (April to September) and 62.43% (226/362) in the rainy season (October to March of the following year). After ACT antimalarial treatment, all patients were cured clinically. Eight cases recurred and were cured clinically after drug conversion ACT retreatment.Conclusions:In the peacekeeping mission area of DRC, peacekeepers are generally susceptible to malaria. ACT has a high cure rate, safety and efficiency in clinical treatment.
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Objective To compare the effects of dual-wavelength spectrophotometry and HPLC on the content of trimethoprim(TMP)in Compound Dihydroartemisinin Tablets.Methods HPLC was performed in a column of C 18 with acetonitrile and 0.75% diethylamine(15∶85,adjusting pH to 2.5 by phosphoric acid)as the mobile phase and the detecting wavelength was at 271nm.The detecting wavelength was also at 271nm with reference wavelength at 366nm in dual-wavelength spectrophotomerty.Results Within 20.0～100.0 ?g/mL,TMP has a good linearity(r=0.999 94)by HPLC,and the average recovery was 100.9% with RSD being0.24%(n=5).By dual-wavelength spectrophotometry,a good linearity(r=0.999 95)of TMP was within 5.0～25.0 ?g/mL,and the average recovery was 100.0% with RSD being 0.45%(n=5).Conclusion Both dual-wavelength spectrophotometry and HPLC can be used to determine the content of TMP in Compound Dihydroartemisinin Tablets,but the former can detect the content of TMP directly without the disturbance of piperaquine phosphate and is simple,rapid and accurate.
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0.05).The cure rate was 100%and parasite recrudescence rate was zero in both groups,the difference being insignificant.The incidence of adverse reaction was lower in Artekin group.【Conclusion】Artecom and Artekin have similar therapeutic effect on uncomplicated falciparum malaria,but Artekin without trimethoprim has lower adverse reactions,thus it is recommended for clinical use.