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Randomized controlled trial comparing store-and-forward teledermatology alone and in combination with web-camera
G Romero1, P Sánchez, M García
1Dermatology Unit, Ciudad Real General Hospital, Ciudad Real, Spain. gromeroa@meditex.es
Clinical and Experimental Dermatology
|October 31, 2009
Summary
Teledermatology offers high diagnostic reliability, comparable to in-person visits. Standardizing image quality and history taking is key for accurate remote consultations.
Area of Science:
- Dermatology
- Medical Informatics
- Health Services Research
Background:
- Teledermatology reliability studies show variable results.
- Few studies compare asynchronous and synchronous teledermatology methods.
Purpose of the Study:
- Evaluate the reliability of two remote teledermatology consultation techniques.
- Compare store-and-forward (SF) with hybrid videoconferencing-SF (VC-SF) methods.
Main Methods:
- Prospective, randomized diagnostic-concordance study (DERMATEL).
- 457 patients randomized to SF, VC-SF, or control groups.
- Compared teledermatology consultations with face-to-face (FTF) consultations.
Main Results:
- High-quality images (82%) and diagnostic confidence (89%) were achieved.
- High agreement between teledermatology and FTF for diagnosis (>0.85) and treatment (>0.78).
- Image quality and diagnostic confidence influenced concordance, not the teleconsultation method.
Conclusions:
- Intraobserver reliability in teledermatology is very high.
- Hybrid systems offer no advantage over SF alone when history and photography are standardized.
