Articles: malaria-complications.
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Angiogenic factors such as angiopoietin 1 (Ang-1) and angiopoietin 2 (Ang-2) are biomarkers produced during activation and dysfunction of the vascular endothelium in several infectious diseases. The aim of this study was to determine the serum levels of Ang-1 and Ang-2 and to establish their relationship with the main indicators of worst-case prognosis in patients with P. vivax malaria. ⋯ This study showed that patients with predictors of worst-case prognoses for P. vivax malaria have lower Ang-1 and higher Ang-2 serum levels (and higher values for the Ang-2/Ang-1 ratio) than controls. Elevated serum levels of Ang-2 and high values for the Ang-2/Ang-1 ratio may potentially be used as predictors of worst-case prognoses for P. vivax malaria, especially in patients with thrombocytopenia.
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The burden of anemia attributable to non-falciparum malarias in regions with Plasmodium co-endemicity is poorly documented. We compared the hematological profile of patients with and without malaria in southern Papua, Indonesia. ⋯ In Papua P. vivax is the dominant cause of severe anemia in early infancy, mixed P. vivax/P. falciparum infections are associated with a greater hematological impairment than either species alone, and in adulthood P. malariae, although rare, is associated with the lowest hemoglobin concentration. These findings highlight the public health importance of integrated genus-wide malaria control strategies in areas of Plasmodium co-endemicity.
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In a linked Perspective, Roly Gosling and Michelle Hsiang discuss the importance of non-falciparum malaria species to regional and global health. Please see later in the article for the Editors' Summary
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Korean J. Parasitol. · Oct 2013
Case ReportsA case of vivax malaria complicated by adult respiratory distress syndrome and successful management with extracorporeal membrane oxygenation.
Complicated malaria is mainly caused by Plasmodium falciparum, but, increasingly, Plasmodium vivax is also being reported as a cause. Since the reemergence of indigenous vivax malaria in 1993, cases of severe malaria have been steadily reported in Korea. Herein, we report a case of vivax malaria complicated by adult respiratory distress syndrome (ARDS) that was successfully managed with extracorporeal membrane oxygenation (ECMO). ⋯ Ten hours after admission, hypoxia became more severe, despite providing maximal ventilatory support. The administration of antimalarial agents, ECMO, and continuous venovenous hemofiltration resulted in an improvement of his vital signs and laboratory findings. He was discharged from the hospital 7 weeks later, without any sequelae.
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Brugada syndrome is an electrical cardiac disease predisposing to ventricular arrhythmias in which typical electrocardiographic (ECG) features consist of nonischemic repolarization abnormalities in the right precordial leads V1-V3. The appearance of a Brugada-ECG pattern is increasingly observed in critically ill patients and is traditionally attributed to the effect of body temperature and/or drug modulation on cardiac ion channels ("acquired Brugada syndrome"). A patient with complicated malaria in whom Brugada-ECG abnormalities appeared in concomitance with fever and propofol administration is presented. The repolarization changes did not disappear until the patient's clinical course improved.