scholarly journals Recognition of Child Congenital Heart Disease Using Cardiac Cycle Segment of Electrocardiogram

2021 ◽  
Author(s):  
Yunmei Du ◽  
Canhui Huang ◽  
Shuai Huang ◽  
Huiying Liang
Keyword(s):  
Congenital Heart Disease ◽  
Heart Disease ◽  
Detection Rate ◽  
Congenital Heart ◽  
Cardiac Cycle ◽  
Screening Method ◽  
Independent Set ◽  
Data Set ◽  
Sensitivity Specificity ◽  
Segment Data

The results of previous studies showed that ECG could detect CHD in children with a detection rate of 76.43%. Although this result is better than the traditional CHD screening method, the sensitivity still needs to be improved if it is to be popularized clinically. Based on the previous ECG recording data, this study selects the more representative cardiac cycle segments to identify CHD, in order to achieve better screening effect. Firstly, better cardiac cycle segment data were extracted from ECG records of each patient. The final data set contains 72626 patients and each patient has a 9-lead ECG segment with duration of about one second. Then we trained a RoR network to identify the underlying patients with CHD using 62626 samples in the dataset. When tested on an independent set of 10000 patients, the network model yielded values for the sensitivity, specificity, and accuracy of 0.93, 86.3%, 85.7%, and 85.7% respectively. It can be seen that extracting more effective cardiac cycle fragments can significantly improve the sensitivity of CHD screening on the basis of ensuring better specificity, so as to find more potential patients with congenital heart disease.

scholarly journals Association between oxygen saturation and critical congenital heart disease in newborns

2018 ◽  
Vol 58 (2) ◽  
pp. 90-4
Author(s):  
Lidia Halim ◽  
Muhammad Ali ◽  
Tiangsa Sembiring
Keyword(s):  
Congenital Heart Disease ◽  
Heart Disease ◽  
Oxygen Saturation ◽  
Pulse Oximetry ◽  
Congenital Heart ◽  
Screening Program ◽  
Screening Method ◽  
Cross Sectional Study ◽  
Critical Congenital Heart Disease ◽  
Cross Sectional

Background Critical congenital heart disease (CCHD) is relatively common, with a prevalence of 6-8 in every 1,000 live births. This congenital anomaly is a newborn condition that would be ideally suited for a screening program, if simple and reliable methods were available. Pulse oximetry (PO) has been proposed as a screening method to detect CCHD. Objective To assess for a possible association between decreased oxygen saturation and CCHD in newborns. Methods We conducted a cross-sectional study from March 2014 to February 2015 in several hospitals in North Sumatra. Healthy, full term and post-term newborns aged 2 to 72 hours underwent pulse oximetry measurements on the right hand and one of the lower extremities. If oxygen saturation (SpO2) was ≤ 95%, the measurement was repeated 2 more times. Subjects also underwent echocardiography. Results A total of 386 newborns underwent SpO2 measurements: 377 newborns had SpO2 > 95% and 9 newborns had SpO2 ≤ 95%. Of the infants with SpO2 > 95%, 297 were excluded because their parents refused echocardiography examination. Thus, 80 newborns with SpO2 > 95% and 9 newborns with SpO2 ≤ 95% underwent echocardiography. Echocardiography revealed that 5 of 9 newborns with SpO2 ≤ 95% suffered from Tetralogy of Fallot (ToF) (3 subjects) and transposition of the great arteries (TGA) (2 subjects). One infant with SpO2 > 95% had ventricular septal defect (VSD), as detected by echocardiography. Oxygen saturation ≤ 95% had significant association with CCHD (P<0.001). Conclusion Decreased oxygen saturation has a significant association with critical congenital heart disease in newborns.

Increasing the Detection Rate of Congenital Heart Disease During Routine Obstetric Screening Using Cine Loop Sweeps

2013 ◽  
Vol 32 (6) ◽  
pp. 973-979 ◽  
Author(s):  
Ted E. Scott ◽  
Judy Jones ◽  
Herschel Rosenberg ◽  
Andrea Thomson ◽  
Hournaz Ghandehari ◽  
...  
Keyword(s):  
Congenital Heart Disease ◽  
Heart Disease ◽  
Detection Rate ◽  
Congenital Heart ◽  
Cine Loop

scholarly journals Use of computed radiology as a screening test for the identification of congenital heart disease in dogs

2020 ◽  
Vol 41 (4) ◽  
pp. 1213
Author(s):  
Stephany Buba Lucina ◽  
Marco Antonio Ferreira da Silva ◽  
Amália Turner Giannico ◽  
Marlos Gonçalves Sousa ◽  
Tilde Rodrigues Froes
Keyword(s):  
Heart Disease ◽  
Predictive Value ◽  
Screening Test ◽  
Congenital Heart ◽  
Heart Diseases ◽  
Screening Method ◽  
Congenital Heart Diseases ◽  
Cardiac Silhouette ◽  
Sensitivity Specificity

The objectives of this study were to evaluate the accuracy of thoracic radiology as a screening test for congenital heart diseases in dogs, to identify the main contributions and limitations of this modality, and to verify the reproducibility of the evaluations by three observers with different levels of training. An interobserver, observational, retrospective and prospective study was carried out, including ninety dogs: thirty healthy animals, thirty with acquired heart diseases and thirty with congenital heart diseases, which all had thoracic radiographs and a confirmed echocardiographic diagnosis. The cases were separated and randomized by a mediator who did not participate in the reading of the radiographic examinations, and no evaluator had access to the patients' data. Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) and accuracy of each observer were calculated in relation to the correct classification of dogs to groups of normal or acquired and congenital heart diseases, as well as identification of enlargement of the cardiac silhouette and large vessels of dogs with congenital heart diseases. Finally, the Kappa coefficient was obtained between the observers to verify the reproducibility of the radiological evaluations performed. In general, sensitivity, PPV and accuracy were unsatisfactory ( 70%), and the agreement ranged from poor to reasonable (between 0 and 0.39). Although greater accuracy was achieved in the differentiation of healthy dogs from those with acquired and congenital heart diseases by thoracic radiography, when compared to the other studies, the modality was able only to identify healthy patients, and could not differentiate the individuals with different forms of heart disease or define the cardiac malformations. In addition, there was low reproducibility between observers, therefore, this technique should not be used as a sole screening method in dogs with suspected congenital heart diseases.

The basics of ventricular function

1999 ◽  
Vol 9 (2) ◽  
pp. 210-223 ◽  
Author(s):  
Daniel J. Penny
Keyword(s):  
Congenital Heart Disease ◽  
Heart Disease ◽  
Ventricular Function ◽  
Congenital Heart ◽  
Cardiac Cycle ◽  
Metabolic Homeostasis ◽  
Regional Variability ◽  
Overall Performance ◽  
Basic Concepts

AbstractThere has been increasing interest in the study of ventricular function in the patient with congenital heart disease. Numerous indexes have been derived for the assessment of ventricular function, suggesting that none is ideal. While the derivation of some measures of ventricular function have relied on advanced mathematical principles, it is still possible for the non-mathematician to obtain important insights into ventricular function from an assessment of the events which underpin the cardiac cycle. In this review, I use the mechanics of the cardiac cycle to introduce basic concepts of ventricular function for the non-expert. In this way, I analyse ventricular systolic and diastolic performance and describe the contribution of regional variability of function to overall performance. This approach also highlights the role of the ventricle in overall cardiovascular and metabolic homeostasis.

Results of early foetal echocardiography and cumulative detection rate of congenital heart disease

2011 ◽  
Vol 21 (5) ◽  
pp. 505-517 ◽  
Author(s):  
David R. Hartge ◽  
Jan Weichert ◽  
Martin Krapp ◽  
Ute Germer ◽  
Ulrich Gembruch ◽  
...  
Keyword(s):  
Congenital Heart Disease ◽  
Heart Disease ◽  
Detection Rate ◽  
Congenital Heart ◽  
Neonatal Period ◽  
First Trimester ◽  
Third Trimester ◽  
Detection Rates ◽  
Cardiac Pathology ◽  
Singleton Pregnancies

AbstractObjectiveThe aim of this study is to evaluate the cumulative detection rate of foetal echocardiography during gestation and in the early neonatal period, with a special emphasis on early foetal echocardiography.MethodsWe conducted a retrospective survey of all singleton pregnancies from 1993 to 2007, with complete sequential echocardiography from 11 plus 0 to 13 plus 6 weeks of gestation. It was mandatory to have at least one foetal echocardiography in the second or third trimester and one postnatally.ResultsOur study included 3521 pregnancies, in which 77 cases were diagnosed with congenital heart disease. Of them, 66 were detected in the first trimester – 11 plus 0 to 11 plus 6 weeks: 22 cases; 12 plus 0 to 12 plus 6 weeks: 23 cases; 13 plus 0 to 13 plus 6 weeks: 21 cases – with an 85.7% detection rate of congenital heart disease in early foetal echocardiography. In the second trimester, seven cases were found, with a detection rate of 9.1%. The third trimester reported two cases, with a detection rate of 2.6%. Postnatally, two (2.6%) cases were detected. The overall in utero detection rate of congenital heart disease was 97.4%.ConclusionsFoetal echocardiography performed at the time of anomaly screening in the first trimester results in high detection rates of congenital heart disease. Cardiac pathology may evolve, and further examinations at later stages of pregnancy could improve the detection rate of congenital heart disease.

scholarly journals OC067: Detection rate of early fetal echocardiography and spectrum of congenital heart disease

2008 ◽  
Vol 32 (3) ◽  
pp. 264-264
Author(s):  
R. Axt-Fliedner ◽  
J. Lietz ◽  
D. Hartge ◽  
M. Krapp ◽  
A. Geipel ◽  
...  
Keyword(s):  
Congenital Heart Disease ◽  
Heart Disease ◽  
Detection Rate ◽  
Congenital Heart ◽  
Fetal Echocardiography
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