Practice-based differences in paediatric discoid lupus erythematosus

L M Arkin1, K Buhr2, H Brandling-Bennett1

  • 1Department of Dermatology and Pediatrics, University of Wisconsin Madison School of Medicine and Public Health, Madison, WI, U.S.A.

Insights

Pediatric dermatologists and rheumatologists show significant differences in treating childhood discoid lupus erythematosus (DLE). There is a lack of consensus on optimal screening and treatment for DLE, impacting patient care.

Area of Science:

  • Pediatric Rheumatology
  • Pediatric Dermatology
  • Autoimmune Diseases

Background:

  • Childhood discoid lupus erythematosus (DLE) poses risks of disfigurement and progression to systemic lupus erythematosus (SLE).
  • Optimal management strategies for pediatric DLE lack established consensus.
  • Understanding current practice patterns is crucial for improving care.

Purpose of the Study:

  • To compare the clinical practice patterns of pediatric dermatologists and rheumatologists managing pediatric DLE.
  • To identify areas of consensus and divergence in the treatment approaches for pediatric DLE.

Main Methods:

  • An online survey was distributed to pediatric rheumatologists (n=292) and dermatologists (n=200).
  • Consensus was defined as agreement among at least 70% of respondents.
  • Response rates were 38% for dermatology and 21% for rheumatology.

Main Results:

  • Both specialties agreed on essential screening laboratory tests, including CBC, urinalysis, complement levels, ESR, autoantibodies, and liver/renal function tests.
  • Agreement was reached that arthritis or nephritis warrants intensified SLE evaluation.
  • Consensus was achieved for hydroxychloroquine as first-line therapy, but not for subsequent treatment lines.

Conclusions:

  • Significant practice variations exist between pediatric dermatologists and rheumatologists in managing DLE.
  • Key knowledge gaps were identified concerning SLE risk factors, optimal screening protocols, and treatment for refractory skin disease.
  • Further research and guideline development are needed to standardize pediatric DLE care.
Abstract

Related Concept Videos

Electric Potential and Potential Difference01:16

Electric Potential and Potential Difference

Suppose a positive test charge moves away from a positive static charge, then the Coulomb force does positive work, and its electric potential energy decreases. The potential energy per unit charge is defined as the electric potential. The electric potential is independent of the test charge.
When a test charge moves from the initial to the final position, the electric potential difference between those positions is defined as the ratio of the change in the potential energy to the charge on the...
5.7K
Difference from Background: Limit of Detection01:05

Difference from Background: Limit of Detection

The limit of detection (LOD) is the smallest amount of analyte that can be distinguished from the background noise. The LOD value corresponds to the concentration at which the analyte signal is three times larger than the standard deviation of the blank signal. Below this value, the analyte signal cannot be differentiated from the background noise. It is calculated by dividing the calibration slope by 3 times the standard deviation of the blank signals.
The LOD indicates the presence or absence...
8.3K
Identifying Statistically Significant Differences: The F-Test01:14

Identifying Statistically Significant Differences: The F-Test

The F-test is used to compare two sample variances to each other or compare the sample variance to the population variance. It is used to decide whether an indeterminate error can explain the difference in their values. The underlying assumptions that allow the use of the F-test include the data set or sets are normally distributed, and the data sets are independent of each other. The test statistic F is calculated by dividing one variance by another. In other words, the square of one standard...
3.7K
Sum and Difference OpAmps01:22

Sum and Difference OpAmps

Operational amplifiers (op-amps) are versatile devices that extend beyond amplification. In this context, two specific op-amp configurations are explored: the summing and difference amplifiers.
A summing amplifier, or an adder, utilizes an op-amp to merge multiple input signals into a single output signal. When audio signals are introduced into its input channels, the input resistors initiate currents that traverse feedback resistors, resulting in an output voltage. Applying Kirchhoff's current...
1.4K
Difference Equation Solution using z-Transform01:24

Difference Equation Solution using z-Transform

The z-transform is a powerful tool for analyzing practical discrete-time systems, often represented by linear difference equations. Solving a higher-order difference equation requires knowledge of the input signal and the initial conditions up to one term less than the order of the equation.
The z-transform facilitates handling delayed signals by shifting the signal in the z-domain, which corresponds to delaying the signal in the time domain, and advancing signals by similarly shifting in the...
635
Characteristics of Practical Op Amps01:16

Characteristics of Practical Op Amps

A difference amplifier, a crucial component in numerous electronic devices, ideally amplifies only the difference-mode signal, which is the difference between two input signals. However, in practical circuits, the output voltage depends on both the differential gain and the common-mode gain.
The ratio of differential gain to the common-mode gain is defined as the common-mode rejection ratio (CMRR). This ratio quantifies the ability of operational amplifiers (op-amps) to reject common-mode...
859