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Clinical Impact of Malaria Rapid Diagnostic Testing at a US Children's Hospital
Leslie A Enane1,2, Kaede V Sullivan3, Evangelos Spyridakis4
1Division of Infectious Diseases, Children's Hospital of Philadelphia, Pennsylvania.
Insights
Malaria rapid diagnostic testing (RDT) significantly speeds up diagnosis and treatment for children with malaria in non-endemic areas. This improves patient care by reducing delays in initiating antimalarial therapy.
Area of Science:
- Pediatric infectious diseases
- Tropical medicine
- Diagnostic test development
Background:
- Children returning from endemic areas to non-endemic regions face diagnostic delays for malaria.
- Prompt diagnosis and treatment are crucial for pediatric malaria patients.
Purpose of the Study:
- To evaluate the clinical impact of implementing malaria rapid diagnostic testing (RDT) in a US children's hospital.
- To assess RDT's effect on the management of pediatric malaria cases.
Main Methods:
- Retrospective cohort study of 82 pediatric malaria cases (2000-2014) at Children's Hospital of Philadelphia.
- Comparison of patient management and outcomes before and after RDT introduction in August 2007.
- Analysis of time to diagnosis, treatment initiation, and clinical outcomes.
Main Results:
- RDT introduction reduced mean time to diagnosis from 10.4 to 0.9 hours for Plasmodium falciparum.
- Mean time to antimalarial therapy decreased from 13.1 to 6.9 hours in hospitalized patients.
- No significant difference observed in severe malaria signs, exchange transfusion needs, or hospital stay length.
Conclusions:
- Malaria rapid diagnostic testing (RDT) implementation accelerates diagnosis and antimalarial therapy initiation.
- RDT is a valuable tool for managing pediatric malaria in non-endemic settings.
- Supports RDT use for optimal patient outcomes in non-endemic clinical environments.
Background:
Children who develop malaria after returning to a setting in which the disease is not endemic are at high risk for critical delays in diagnosis and initiation of antimalarial therapy. We assessed the clinical impact of the implementation of malaria rapid diagnostic testing (RDT) on the management of children with malaria at an urban US children's hospital that serves a large immigrant population.
Methods:
This was a retrospective cohort study of all children diagnosed with laboratory-confirmed malaria at the Children's Hospital of Philadelphia (CHOP) between 2000 and 2014. RDT using a US Food and Drug Administration-approved immunochromatographic assay was introduced at CHOP on August 1, 2007. We compared clinical management and outcomes of patients with malaria diagnosed before and after RDT introduction.
Results:
We analyzed 82 pediatric malaria cases (32 before and 50 after RDT implementation). The majority of these patients had traveled to West Africa (91.5%) and were infected with Plasmodium falciparum (80.5%). The mean time to a positive result decreased from 10.4 to 0.9 hours (P < .001) after the introduction of RDT for patients with P falciparum. The mean time to antimalarial therapy decreased from 13.1 to 6.9 hours (P =; .023) in hospitalized patients. We found no significant reduction in the mean number of clinical signs of severe malaria between 0 and 48 hours of hospitalization and no difference in the need for exchange transfusion, time to resolution of parasitemia, or length of hospital stay.
Conclusions:
Implementation of RDT for malaria was associated with shorter times to malaria diagnosis and initiation of antimalarial therapy. The results of this study support RDT in the optimal management of patients with malaria who present in settings in which the disease is not endemic.