Association of Severe Malaria Outcomes with Platelet-Mediated Clumping and Adhesion to a Novel Host Receptor Cytoadherence in Severe falciparum Malaria
2011

Platelet-Mediated Clumping and Severe Malaria in Children

Sample size: 92 publication 10 minutes Evidence: moderate

Author Information

Author(s): Mayor Alfredo, Hafiz Abdul, Bassat Quique, Rovira-Vallbona Eduard, Sanz Sergi, Machevo Sónia, Aguilar Ruth, Cisteró Pau, Sigaúque Betuel, Menéndez Clara, Alonso Pedro L., Chitnis Chetan E.

Primary Institution: Barcelona Centre for International Health Research (CRESIB), Hospital Clínic/Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, Barcelona, Spain

Hypothesis

Does platelet-mediated clumping and adhesion to specific receptors contribute to the severity of malaria in children?

Conclusion

Platelet-mediated clumping, rosetting, and adhesion to gC1qR are associated with severe malaria outcomes in children.

Supporting Evidence

  • Children with severe malaria showed higher prevalence of platelet-mediated clumping compared to controls.
  • Prostration was the most common clinical presentation associated with severe malaria.
  • Adhesion to gC1qR was linked to multiple seizures in severe malaria cases.
  • Severe anemia was associated with increased platelet-mediated clumping.
  • Children with severe malaria had higher parasitemia at thawing than those with uncomplicated malaria.

Takeaway

This study found that when children get severe malaria, their blood cells can clump together, which might make the sickness worse.

Methodology

The study compared P. falciparum isolates from children with severe malaria to those with uncomplicated malaria, analyzing cytoadherence properties.

Potential Biases

Potential bias due to the selection of cases and controls from a single geographic area.

Limitations

The study had a small sample size and focused only on children under 5 years in a specific region.

Participant Demographics

Children under 5 years of age from Mozambique.

Statistical Information

P-Value

p=0.019

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0019422

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