Risk factors of dengue shock syndrome in children

Vijay Gupta1, Tribhuvan Pal Yadav, Ravindra Mohan Pandey

  • 1Department of Pediatrics, PGIMER and associated Dr Ram Manohar Lohia Hospital, New Delhi, India. yzaygupta@gmail.com

Insights

Pediatric dengue hemorrhagic fever (DHF) patients over 5 years old with spontaneous bleeding, enlarged liver, or fluid buildup are at higher risk for developing dengue shock syndrome (DSS). Early identification of these risk factors is crucial for timely intervention.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Virology

Background:

  • Dengue hemorrhagic fever (DHF) is a severe mosquito-borne viral illness.
  • Dengue shock syndrome (DSS) represents the most critical stage of DHF.
  • Identifying risk factors for DSS in pediatric patients is vital for improving outcomes.

Purpose of the Study:

  • To evaluate clinical and biochemical risk factors associated with the development of dengue shock syndrome (DSS) in pediatric patients diagnosed with dengue hemorrhagic fever (DHF).

Main Methods:

  • Retrospective analysis of medical records from 483 pediatric patients (≤18 years) with DHF (IgM serology positive).
  • Patients were categorized into DHF (grades I-II) and DSS (grades III-IV) groups.
  • Univariate and multivariate logistic regression analyses were employed to identify significant risk factors (p<0.05).

Main Results:

  • Significant risk factors for shock in pediatric DHF patients included spontaneous bleeding, hepatomegaly, and signs of capillary leakage (ascites, pleural effusion).
  • Leukopenia (<4000 cells/mm³) and age greater than 5 years were also identified as significant risk factors.
  • The study identified 78 children who progressed to DSS from an initial cohort of 483 DHF patients.

Conclusions:

  • Spontaneous bleeding, hepatomegaly, capillary leakage, leukopenia, and older age (>5 years) are key indicators for predicting DSS development in pediatric DHF.
  • These findings can aid clinicians in early risk stratification and management of pediatric dengue patients.
  • Further research could explore specific pathophysiological mechanisms linking these factors to shock progression.

Related Concept Videos

Blood Pressure Imbalances and Circulatory Shock01:24

Blood Pressure Imbalances and Circulatory Shock

Disorders affecting blood volume, vascular tone, or vascular function can disrupt vascular homeostasis, including conditions like hypertension, hemorrhage, and shock.
Blood Pressure: Hypertension and Hypotension
Normal blood pressure is 120/80 mm Hg. Elevated blood pressure is 120-129/under 80 mm Hg. Hypertension, warranting treatment at 130/80 mm Hg, is often asymptomatic and can lead to severe cardiovascular events, aneurysms, peripheral arterial disease, chronic renal disease, or cardiac...
Yellow Fever01:18

Yellow Fever

Yellow fever is a viral hemorrhagic disease caused by the yellow fever virus (YFV), a member of the Flaviviridae family. It is transmitted primarily by Aedes and Haemagogus mosquitoes in tropical and subtropical regions of Africa and South America. After transmission through a mosquito bite, the virus initially replicates in skin-resident immune cells such as dendritic cells and macrophages. These cells then migrate to the lymph nodes, where viral replication increases, eventually leading to...
Drug Dosing: Infants and Children01:29

Drug Dosing: Infants and Children

Pediatric patient dosages diverge from adults due to disparities in body surface area, total body water, and extracellular fluid per kilogram of body weight. The dosing regimen considers the variations in pharmacokinetics and pharmacology across distinct age groups, encompassing preterm newborns, infants, young children, older children, and adolescents. Calculation of pediatric patient doses is predicated on determining body surface area, which exhibits a superior correlation with the child's...
Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

Pharmacokinetics in Pediatric Patients: Drug Distribution

Drug distribution in the pediatric population exhibits unique challenges and considerations due to the physiological differences between children, particularly neonates and infants, and adults. A crucial aspect of pediatric pharmacology is understanding how these differences impact the pharmacokinetics of various drugs, necessitating age-specific dosing strategies to ensure efficacy and safety.Neonates and infants have a higher total body water content, ~75%–90% of their body weight, compared...
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...
Rocky Mountain Spotted Fever01:26

Rocky Mountain Spotted Fever

Rocky Mountain Spotted Fever (RMSF) is a severe tick-borne illness caused by Rickettsia rickettsii, a Gram-negative, coccobacillary bacterium. This pathogen is an obligate intracellular parasite, requiring a host cell for replication. Transmission occurs through the bite of an infected tick. In the United States, the most important vectors are Dermacentor variabilis (American dog tick) and Dermacentor andersoni (Rocky Mountain wood tick), though other tick species may also serve as vectors.