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Laser doppler line scan burn imager (LDLS-BI): sideways move or a step ahead?
A J A Holland1, D Ward2, E R La Hei3
1Discipline of Paediatrics and Child Health, Sydney Medical School, The University of Sydney, Australia; Burns Unit and The Children's Hospital at Westmead Burns Research Institute, Sydney, Australia; Douglas Cohen Department of Paediatric Surgery, The Children's Hospital at Westmead, Sydney, Australia.
Insights
The Laser Doppler Line Scanner (LDLS) accurately predicts pediatric burn wound healing, performing comparably to Laser Doppler Imaging (LDI). This new technology offers advantages for assessing burn injuries in children.
Area of Science:
- Pediatric Burn Management
- Medical Imaging Technology
- Wound Healing Assessment
Background:
- Accurate prediction of burn wound healing is crucial for timely intervention in pediatric patients.
- Conventional Laser Doppler Imaging (LDI) is used to assess burn wound healing potential (HP).
- A novel Laser Doppler Line Scanner (LDLS) offers potential advantages in pediatric burn assessment.
Purpose of the Study:
- To evaluate the accuracy of the LDLS in predicting pediatric burn wound healing.
- To compare the diagnostic performance of LDLS against conventional LDI.
- To determine the clinical utility of LDLS in pediatric burn care.
Main Methods:
- A prospective study involving 50 pediatric patients with superficial to deep dermal burns.
- Comparison of LDLS and LDI in assessing burn wound Healing Potential (HP).
- Scans were performed between 42 hours and 5 days post-burn.
Main Results:
- The study analyzed 59 burn wounds in 49 pediatric patients.
- Overall accuracy was high for both devices: 94.5% for LDI and 95% for LDLS.
- Accuracy was lowest for indeterminate burns healing between 14-21 days.
Conclusions:
- LDLS demonstrated comparable accuracy to LDI in predicting pediatric burn wound healing.
- Despite lower resolution, LDLS's smaller size and faster scan speed are beneficial for pediatric use.
- LDLS is a valuable tool for assessing burn wound healing potential in children.
Objective:
To assess the accuracy of a Laser Doppler Line Scanner (LDLS) in predicting burn wound healing in children compared to conventional Laser Doppler Imaging (LDI).
Methods:
A prospective study comparing a LDLS with a conventional LDI to assess burn wound Healing Potential (HP) was performed in 50 paediatric patients presenting to our institution between February 2010 and March 2011, as part of a multi-centre, international trial. Inclusion criteria were superficial to deep dermal burns that were able to be scanned between 42 h and 5 days of the burn.
Results:
Of the 50 patients enrolled, one was excluded from subsequent analysis as they were unable to present for wound reviews at 14 and 21 days. Ninety scans were performed of 59 burn wounds in the remaining 49 patients. The mean age was 4 years and 9 months (range 8 months to 16 years) and the mean Total Body Surface Area burnt was 8.3% (range 0.1-15%). The most common mechanism of injury was a scald, followed by contact and flame burns. A limb was the most common site of injury. Overall accuracy of the scanners was 94.5% (LDI) and 95% (LDLS), with accuracy lowest for indeterminate burns that healed within 14-21 days.
Conclusion:
The LDLS was found to be as accurate as the LDI in predicting burn wound HP in children. Whilst the LDLS scan resolution was lower, with more scans of larger burns required, its smaller size and greater scan speed proved valuable in children.
