Longitudinal monitoring and prediction of long-term outcome of scar stiffness on pediatric patients
- Burns & Trauma Vol. 9, Issue 1, (2021)
- 作者机构：
1. Institute for Mechanical Systems
2. Empa, Swiss Federal Laboratories for Materials Science and Technology
3. Burn Center
4. Children's Research Center (CRC)
- 作者简介：
- 基金信息：
DOI：10.1093/burnst/tkab028
CLC：Published：2021，
Published Online：30 September 2021，
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Bettina Müller, Edoardo Mazza, Clemens Schiestl, Julia Elrod, Longitudinal monitoring and prediction of long-term outcome of scar stiffness on pediatric patients, Burns & Trauma, Volume 9, 2021, tkab028, https://doi.org/10.1093/burnst/tkab028
摘要
Abstract
BackgroundHypertrophic scarring after burn injury is one of the greatest unmet challenges in patients with burn injuries. A better understanding of the characteristics of scar maturation and early prediction of the long-term outcome of scarring are prerequisites for improving targeted therapies and pivotal for patient counselling.MethodsRepeated measurements of scar stiffness in 11 pediatric patients were performed over the course of 1 year using 2 suction devices
the Cutometer and the Nimble. In addition
the observer pliability score of the Patient and Observer Scar Assessment Scale was applied. This longitudinal study allowed quantification of the ability of each of the measured parameters to reflect scar maturation
as indicated by change in skin pliability/stiffness
over time (using linear regression); the ability to distinguish individual patients (intraclass correlation coefficient (ICC)); the correlation of the devices (Spearman correlation coefficient); and the ability to predict long-term scar maturation based on early scar assessment (using receiver operating characteristic).ResultsAll the tools used showed significant longitudinal decrease of scar stiffness from 3 months until 12 months after the injury. The Nimble (ICCpatientNimble = 0.99) and the Cutometer (ICCpatientCuto = 0.97) demonstrated an excellent ability to distinguish between individual patients. The Nimble seemed to be able to predict the 12-month pliability of scars based on early (3-month) measurements (area under the curve (AUC)12mPOSAS = 0.67; AUC12mC = 0.46; AUC12mN = 0.79).ConclusionsThe results of this preliminary study suggest that all 3 tools provide suitable means to quantify alterations in scar stiffness over time. Initial evidence suggests the Nimble is most favorable for predicting changes in stiffness associated with long-term scar maturation. Further studies with a larger sample size are required to validate tissue suction as a clinical tool for analysis of changes of scar stiffness over time.
关键词
Keywords
Pediatric burnsScar maturationPOSASCutometerNimble
references
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