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Proteinuria and gall bladder wall thickness as predictive indicators for dengue severity in pediatric patients
N Namratha1, Manish Narang1, Rahul Sharma2
1Department of Pediatrics, University College of Medical Sciences and Associated GTB Hospital, Delhi, India.
Insights
Urine albumin-creatinine ratio (UACR) and gall bladder wall thickness (GBWT) can help predict severe dengue in children. These noninvasive markers aid in early detection and management of pediatric dengue cases.
Area of Science:
- Pediatric Infectious Diseases
- Clinical Diagnostics
- Biomarker Research
Background:
- Dengue is a significant mosquito-borne viral illness in children, with severe forms leading to complications like capillary leakage and organ dysfunction.
- Early detection of severe dengue is critical for timely intervention and improved patient outcomes.
- Noninvasive markers are needed for efficient and accessible assessment of disease severity in pediatric dengue.
Purpose of the Study:
- To evaluate the predictive value of urine albumin-creatinine ratio (UACR) and gall bladder wall thickness (GBWT) for disease severity in pediatric dengue.
- To assess the association of UACR and GBWT with laboratory parameters and mortality outcomes in children with dengue.
Main Methods:
- A prospective observational study included 74 children (6 months to 12 years) with moderate to severe dengue (WHO 2009 classification).
- Urine albumin-creatinine ratio (UACR) was measured from spot urine samples.
- Gall bladder wall thickness (GBWT) was assessed using abdominal ultrasound between days 3 and 6 of fever.
Main Results:
- Mean UACR and GBWT were significantly higher in severe dengue cases compared to moderate cases (P < 0.001 for UACR, P = 0.035 for GBWT).
- Elevated UACR and increased GBWT correlated with higher mortality and poorer outcomes.
- Combined UACR and GBWT showed a high odds ratio (13.3) for predicting severe dengue.
Conclusions:
- UACR and GBWT serve as valuable noninvasive adjuncts for predicting dengue severity and mortality in children.
- These markers can support early identification, triage, and management strategies for pediatric dengue.
- Further research may refine the utility of UACR and GBWT in clinical practice for dengue management.
Objectives:
Dengue is a mosquito-borne viral illness affecting children and can progress to severe forms with capillary leakage, bleeding and organ dysfunction. Early detection is crucial to reduce complications. This study evaluated the predictive value of 2 noninvasive markers, urine albumin-creatinine ratio (UACR) and gall bladder wall thickness (GBWT) for disease severity in pediatric dengue.
Methods:
A prospective observational study was conducted from May 2023 to November 2024 at a tertiary care hospital in Northern India. Children aged 6 months to 12 years with moderate to severe dengue (WHO 2009 classification) were included. UACR was measured from spot urine samples at admission, during deterioration or at discharge. GBWT was assessed via abdominal ultrasound between days 3 and 6 of fever. Associations with disease severity, laboratory parameters, and mortality outcomes were analyzed.
Results:
Among 74 participants, mean UACR (mg/g) was significantly higher in severe dengue compared to moderate cases (136.31 [151.26] vs. 44.87 [59.77]; P < 0.001), with elevated UACR linked to higher mortality. Mean GBWT (mm) was significantly greater in severe dengue (7.35 [2.25] vs. 5.11 [2.49]; P = 0.035), correlating with poor outcomes. Sensitivity and specificity of UACR (cutoff 30 mg/g) were 62% and 60%, and GBWT at 5 mm were 81% and 60%. Odds ratios for severe dengue were 3.9 (UACR), 10.7 (GBWT) and 13.3 (both). Honeycomb GBWT patterns were more frequent in fatal cases.
Conclusion:
UACR and GBWT, while not definitive alone, are noninvasive adjuncts for predicting severity and mortality in pediatric dengue, supporting early identification, triage and management.
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