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Introduction: Implementation of teledermatology in primary care offers the possibility of treating patients using specific dermatologic knowledge in far away places with infrequent availability to these services. It is a priority to implement teledermatology services which demonstrate diagnostic reliability and satisfaction among users.
Objectives and methods: To measure the diagnostic reliability of an asynchronous teledermatology web based application by means of intraobserver and interobserver concordance during teleconsultation and traditional presential («face to face») consultation. Furthermore, to evaluate user satisfaction regarding the teleconsultation and the web application.
Results: A sample of 82 patients with 172 dermatologic diagnoses was obtained, in which an intraobserver concordance between 80.8% and 86.6%, and an interobserver concordance between 77.3% and 79.6% were found. Satisfaction was evaluated to be on an average of 92.5%.
Conclusions: The teleconsultation reliability in teledermatology is evidenced to be high, and is susceptible of improvement through the implementation of health information standards and digital dermatologic photography protocols.

Carlos Ruiz, Universidad CES

Research Group in Biomedical Engineering (GIBEC), Escuela de Ingeniería de Antioquia (EIA), Universidad CES. Researcher TELEDERMA Project (Colciencias-EIA-CES).

Claudia Gaviria, Universidad CES

Resident in Dermatology, Universidad CES, Medellín, Colombia.

Miguel Gaitán, Universidad CES

Resident in Dermatology, Universidad CES, Medellín, Colombia.

Rubén Manrique, Universidad CES

Research Department Director, Universidad CES, Medellín, Colombia.

Ángela Zuluaga, Universidad CES

Research Group in Dermatology. Co-researcher TELEDERMA Project (Colciencias-EIA-CES), Universidad CES, Medellín, Colombia.

Andrés Trujillo, Instituto Colombiano de Medicina Tropical

Director, Instituto Colombiano de Medicina Tropical, Coordinator Biomedical Engineering Program EIA-CES. TELEDERMA, Project Director (Colciencias-EIA-CES).
Ruiz, C., Gaviria, C., Gaitán, M., Manrique, R., Zuluaga, Ángela, & Trujillo, A. (2009). Concordance studies of a web based system in teledermatology. Colombia Medica, 40(3), 259–270.


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