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Ann Pediatr Cardiol. 2018 Sep-Dec;11(3):250-254. doi: 10.4103/apc.APC_159_17.

Validation of the accuracy of handheld echocardiography for diagnosis of congenital heart disease.

Author information

1
Sudan Heart Center, Faculty of Medicine, University of Khartoum, Khartoum, Sudan.
2
Department of Pediatrics and Child Health, Faculty of Medicine, University of Khartoum, Khartoum, Sudan.
3
Pediatric Cardiology Fellow, Sudan Heart Center, Sudan Medical Specialization Board Sudan Medical Specialization Board, Khartoum, Sudan.

Abstract

Background:

Handheld echocardiography (HHE) has been increasingly used for rheumatic heart disease screening and in adult emergency room settings.

Aims:

This study aimed to validate the accuracy of HHE in the diagnosis of congenital heart disease (CHD).

Settings and Design Methodology:

This is a prospective study carried out at three pediatric cardiology outpatient clinics in Khartoum, Sudan.All patients with suspected CHD were evaluated by clinical examination followed by HHE, performed using a modified segmental approach. Then, a complete study was performed using a standard echocardiography machine. The results were then compared using appropriate statistical tools.

Results:

A total of eighty cases were included with the following diagnoses either in isolation or combination: ventricular septal defect (n = 23), atrial septal defect (n = 10), pulmonary stenosis (n = 7), tetralogy of Fallot (n = 7), patent ductus arteriosus (n = 6), atrioventricular septal defect (n = 6), transposition of the great arteries (n = 6), and other diagnoses (n = 15). Agreement between HHE and SE was excellent both for visualizing heart segments (κ =77%-100% with a mean of 92.9%) and for diagnosis of CHD (κ =66%-100% with a mean of 91.7%). The sensitivity of HHE was 69.2%-100% (mean = 90.2%) and specificity was 98.5%-100% (mean = 99.3%).

Conclusion:

This study supports extending the utility of HHE in children for screening of CHD in addition to its current role in rheumatic heart disease screening.

KEYWORDS:

Congenital heart disease; handheld echocardiography; screening

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