Related Experiment Video

Updated: Aug 29, 2026

Protocol for Plasmodium falciparum Infections in Mosquitoes and Infection Phenotype Determination
14:10

Protocol for Plasmodium falciparum Infections in Mosquitoes and Infection Phenotype Determination

Published on: July 4, 2007

[Plasmodium vivax malaria in children and adolescents - epidemiological, clinical and laboratory features]

A M Ventura1, A Y Pinto, R S Silva

  • 1Universidade Estadual do Pará, Belém, PA, Brazil.

Jornal De Pediatria
|December 20, 2003
PubMed

Insights

Plasmodium vivax malaria commonly affects children and adolescents, with fever as a primary symptom. Delayed diagnosis worsens anemia, highlighting the need for prompt clinical and epidemiological assessment.

Area of Science:

  • Tropical Medicine
  • Pediatric Infectious Diseases
  • Epidemiology

Background:

  • Plasmodium vivax malaria presents unique challenges in pediatric populations.
  • Understanding its epidemiological, clinical, and laboratory features is crucial for effective management.

Purpose of the Study:

  • To evaluate the epidemiological, clinical, and laboratory characteristics of Plasmodium vivax malaria in children and adolescents.
  • To identify factors influencing disease presentation and outcomes.

Main Methods:

  • Retrospective analysis of 100 children and adolescents diagnosed with P. vivax malaria.
  • Data collection included epidemiological, clinical, and laboratory parameters.
  • Statistical analysis to determine correlations and significant associations.

Main Results:

  • Malaria incidence was higher in adolescents, with most infections occurring in Pará State.
  • Fever (88%) was the predominant initial symptom; typical paroxysms were infrequent (25%).
  • Pallor was significantly associated with anemia, and delayed diagnosis correlated with lower hemoglobin levels.

Conclusions:

  • Plasmodium vivax malaria affects both sexes in children and adolescents.
  • Epidemiological and clinical data are vital for early diagnosis.
  • Delayed diagnosis exacerbates anemia in pediatric malaria patients.

More Related Videos

In Vitro Assay of Plasmodium-Infected Red Blood Cell Killing by Cytotoxic Lymphocytes08:20

In Vitro Assay of Plasmodium-Infected Red Blood Cell Killing by Cytotoxic Lymphocytes

Published on: August 17, 2022

Phenotypic Analysis of Rodent Malaria Parasite Asexual and Sexual Blood Stages and Mosquito Stages08:23

Phenotypic Analysis of Rodent Malaria Parasite Asexual and Sexual Blood Stages and Mosquito Stages

Published on: May 30, 2019

Related Concept Videos

Malaria01:29

Malaria

Malaria pathogenesis in humans reflects a delicate interplay between parasite biology and host response. Clinical illness reflects a host’s immune response to the parasite’s asexual replication cycle, which is often asymptomatic in individuals with partial immunity. From the parasite's perspective, transmission between mosquito and human with minimal host pathology is evolutionarily advantageous. Among the six Plasmodium species infecting humans, P. falciparum and P. vivax dominate in global...
Symbiosis00:58

Symbiosis

Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...
Toxidromes: Clinical Features01:30

Toxidromes: Clinical Features

Toxidromes are specific patterns of symptoms resulting from toxic substance exposure. They help in the identification and treatment of poisoning. The symptoms of each toxidrome group indicate poisoning by a certain class of chemicals or drugs.1. Sympathomimetic: Stimulates the sympathetic nervous system. Symptoms include agitation, increased heart rate (HR), blood pressure (BP), respiratory rate (RR), temperature, and pupil size. Drugs like cocaine and amphetamines, along with tremors and...
American Trypanosomiasis01:22

American Trypanosomiasis

Chagas disease, or American trypanosomiasis, is a vector-borne parasitic infection caused by Trypanosoma cruzi, a flagellated protozoan (kinetoplastid) of the family Trypanosomatidae. The disease is endemic in Latin America, although cases are increasingly reported worldwide due to human migration. Transmission most commonly occurs when feces of infected triatomine bugs contaminate bite wounds or mucosal surfaces; additional routes include congenital, transfusional, transplant-related, and oral...
Encephalitis l: Introduction01:19

Encephalitis l: Introduction

Encephalitis is inflammation of the brain parenchyma, most often due to infections or autoimmune processes. It presents with neuropsychiatric features such as fever, altered mental status, behavioral changes, cognitive dysfunction, seizures, focal deficits, and sometimes autonomic instability. In some cases, the meninges are also involved, resulting in meningoencephalitis.Infectious CausesInfectious encephalitis is most commonly viral but can also result from bacterial, fungal, or parasitic...
Arboviral Encephalitis01:25

Arboviral Encephalitis

Arboviral encephalitis refers to brain inflammation caused by arthropod-borne viruses, particularly those transmitted through mosquito vectors. Among these, West Nile virus (WNV), a member of the Flaviviridae family, is a significant public health concern. WNV is an enveloped, positive-sense, single-stranded RNA virus. Human infection typically begins when an infected mosquito introduces the virus into the dermis during feeding. The primary transmission cycle involves birds as amplifying hosts...