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Efficiency, Sensitivity and Specificity of Automated Auscultation Diagnosis Device for Detection and Discrimination of Cardiac Murmurs in Children

AUTHORS

Elaheh Malakan-Rad 1 , * , Armen Kocharian 2 , Amir-Ahmad Sepehri 3 , Azin Janani 4

How to Cite: Malakan-Rad E, Kocharian A, Sepehri A, Janani A. Efficiency, Sensitivity and Specificity of Automated Auscultation Diagnosis Device for Detection and Discrimination of Cardiac Murmurs in Children, Iran J Pediatr. 2013 ; 23(4):445-450.

ARTICLE INFORMATION

Iranian Journal of Pediatrics: 23 (4); 445-450
Published Online: July 14, 2013
Article Type: Research Article
Received: October 20, 2012
Accepted: April 29, 2013

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Abstract

Objective: Intelligent electronic stethoscopes and computer-aided auscultation systems have highlighted a new era in cardiac auscultation in children. Several collaborative multidisciplinary researches in this field are performed by physicians and computer specialists. Recently, a novel medical software device, Automated Auscultation Diagnosis Device (AADD), has been reported with intelligent diagnosing ability to differentiate cardiac murmur from breath sounds in children with normal and abnormal hearts due to congenital heart disease. The aim of this study is to determine efficiency, sensitivity and specificity of the diagnoses made by this AADD in children with and without cardiac disease. Methods: We performed a cross-sectional study to determine efficiency, sensitivity and specificity of  diagnoses made by AADD. Our patient population was two groups of children with and without cardiac disease(563 patients and 50 normal). SPSS version 16 was used to calculate sensitivity, specificity and efficiency and descriptive analysis. Findings: Using cardiac sound recording in four conventional cardiac areas of auscultation (including aortic, pulmonary, tricuspid and mitral), AADD proved to have a ≥90 % sensitivity, specificity and efficiency for making the correct diagnosis in children with heart disease and 100% diagnostic accuracy in children with normal hearts either with or without innocent murmurs. Conclusion: Considering the high sensitivity, specificity and efficiency of AADD for making the correct diagnosis, application of this software is recommended for family physicians to enhance proper and timely patients’ referral to pediatric cardiologists in order to provide better diagnostic facilities for pediatric patients who live  in deprived and underserved rural areas with lack access to pediatric cardiologists.

 

Keywords

Computerized Medical Records System Computer-Assisted Diagnosis Computer-Assisted Design Auscultation

© 0, Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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