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Commenced in January 2007 Frequency: Monthly Edition: International Publications Count: 29705

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Screening of Congenital Heart Diseases with Fetal Phonocardiography
The paper presents a novel screening method to indicate congenital heart diseases (CHD), which otherwise could remain undetected because of their low level. Therefore, not belonging to the high-risk population, the pregnancies are not subject to the regular fetal monitoring with ultrasound echocardiography. Based on the fact that CHD is a morphological defect of the heart causing turbulent blood flow, the turbulence appears as a murmur, which can be detected by fetal phonocardiography (fPCG). The proposed method applies measurements on the maternal abdomen and from the recorded sound signal a sophisticated processing determines the fetal heart murmur. The paper describes the problems and the additional advantages of the fPCG method including the possibility of measurements at home and its combination with the prescribed regular cardiotocographic (CTG) monitoring. The proposed screening process implemented on a telemedicine system provides an enhanced safety against hidden cardiac diseases.
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[1] J. A. Copel, A. S. Tan, and C. S. Kleinman, “Does a prenatal diagnosis of congenital heart diseases alter short-term outcome?,” Prenatal Diagnosis, vol. 10, No. 4, pp. 237–241, Oct. 2002.
[2] M. S. Cohen, and M. A. Frommelt, “Does fetal diagnosis make a difference?,” Clinics in Perinatalogy, vol. 32, no. 4, pp. 877–883, Dec. 2005.
[3] L. E. Hunter, and J. M. Simpson, “Sonographic screening for congenital heart disease,” Nature Reviews Cardiology, vol. 11, pp. 323–334, 2014.
[4] A.-L. Noponen, and S. Lukkarinnen, A. Angerla, and R. Sepponen, “Phono-spectrographic analysis of heart murmur in children,” BMC Pediatrics, vol. 7, 23, 2007.
[5] F. Kovács, Cs. Horváth, Á. T. Balogh, and G. Hosszú, “Extended Non- Invasive Fetal Monitoring by Detailed Analysis of Data Measured with Phonocardiography,” IEEE Trans. Biomed. Eng., vol. 58, no. 1, pp. 64– 70, 2011.
[6] M. Godinez, A. Jiménez, R. Ortiz, and M. Peňa, “On-line fetal heart rate monitor by phonocardiography,” in Proc. 25th Int. Conf. IEEE EMBS, Cancun, Mexico, 17-21 Sept 2003, pp. 3141–3144.
[7] F. Kovács, N. Kersner, K. Kádár, and G. Hosszú, “Computer method for perinatal screening of cardiac murmur using fetal phonocardiography,” Computers in Biology and Medicine, pp. 1130–1136, December 2009.
[8] Y. Song, W. Xie, J. F. Chen, and K. S. Phua, “Passive Acoustic Maternal Abdominal Fetal Heart Rate Monitoring Using Wavelet Transform,” Computers in Cardiology, vol. 33, pp. 581–584, 2006.
[9] A. K. Mittra, A. Shukla, and A. S. Zadgaonkar, “System simulation and comparative analysis of foetal heart sound de-noising techniques for advanced phonocardiography,” Int. Journ. Biomed. Eng. and Techn., vol.1, no.1, pp. 73–85, 2007.
[10] F. Kovács, M. Török, Cs Horváth, Á. T. Balogh, T. Zsedrovits, A. Nagy, and G. Hosszú, “A New, Phonocardiography-Based Telemetric Fetal Home Monitoring System,” Telemedicine and e-Health, vol. 16, no. 8, pp. 878–882, October 2010.
[11] J. Xu, L. G. Durand, and P. Pibarot, “Extraction of the aortic and pulmonary components of the second heart sound using a nonlinear transient chirp signal model,” IEEE Trans. Biomed. Eng., vol. 48, pp. 277–283, 2001.
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