Related Experiment Video
Updated: Jun 16, 2026
Laser Doppler Perfusion Imaging in the Mouse Hindlimb
Published on: April 18, 2021
Laser Doppler Imaging prediction of burn wound outcome in children: is it possible before 48 h?
Khanh Nguyen1, Diane Ward, Lawrence Lam
1Department of Academic Surgery, The Children's Hospital at Westmead, The University of Sydney, Westmead, NSW 2145, Australia.
Insights
Laser Doppler Imaging (LDI) accurately predicts pediatric burn wound outcomes. The study found LDI effective for early and later assessments, unaffected by factors like movement or infection.
Area of Science:
- Medical Imaging
- Burn Management
- Pediatric Surgery
Background:
- Laser Doppler Imaging (LDI) is a validated technique for predicting burn wound outcomes in children.
- Previous studies confirmed LDI's efficacy between 48 and 72 hours post-burn.
Purpose of the Study:
- To assess Laser Doppler Imaging's (LDI) capability in predicting pediatric burn wound outcomes.
- To evaluate LDI's predictive accuracy at different time points relative to injury (before and after 48 hours).
Main Methods:
- A prospective study involved 400 pediatric patients presenting to a burns clinic over 12 months.
- Patients were grouped based on presentation time: within 48 hours (n=160) and after 48 hours (n=240).
- Outcomes were monitored until wound healing or surgical intervention was necessary.
Main Results:
- For patients presenting within 48 hours, LDI showed 78% sensitivity and 74% specificity.
- For patients presenting after 48 hours, LDI demonstrated 75% sensitivity and 85% specificity.
- The observed differences in LDI accuracy between the two groups were not statistically significant.
Conclusions:
- Laser Doppler Imaging (LDI) effectively predicts burn wound outcomes in pediatric patients, even within 48 hours of injury.
- Factors such as patient movement, infection presence, initial first aid, and dressing type did not significantly affect LDI's predictive accuracy.
Background:
Laser Doppler Imaging (LDI) assists in prediction burn wound outcome. Previous data has validated this technique in children between 48 and 72 h after burn.
Aim:
To evaluate the ability of Laser Doppler Imaging (LDI) to predict burn wound outcome in paediatric patients prior to and after 48 h from the time of injury.
Methods:
A prospective evaluation was performed in 400 children over a 12-month period that presented to our burns clinic. Patients were divided into two groups: those that presented within 48 h of injury (n=160) and those that presented after 48 h (n=240). Patients were reviewed until healing had occurred or operative intervention was required.
Results:
The median age of the patients was 2.4 years (range 0.1-15.9 years). For patients who presented within 48 h, the sensitivity and specificity of the LDI was 78% and 74% respectively compared to 75% and 85% for those scanned after 48 h. This difference was not statistically significant.
Conclusions:
LDI predicted burn wound outcome in children within 48 h of the burn wound. Moderate degrees of movement, infection, whether first aid was administered and type of dressing did not impact on the accuracy of LDI.
