Investigation of Tetralogy of Fallot in Neonates

Child health serves as the foundation for overall public health, with neonatal mortality recognized globally as a comprehensive indicator of national health standards and societal advancement. The Healthy Children Action Improvement Plan (2021-2025) sets a national target to reduce neonatal mortality in China to below 3.1‰. Congenital heart disease (CHD), the most prevalent congenital defect among neonates, constitutes a significant cause of disability and premature death in the Chinese population. Annually, approximately 70,000-80,000 neonates are born with CHD, among whom nearly 10,000 present with critical congenital heart disease (CCHD). Postnatal manifestations of CCHD often include cyanosis, hypoperfusion, and respiratory distress, with untreated cases resulting in approximately 50% mortality. CCHD is one of the leading causes of infant death. Tetralogy of Fallot (TOF), the most common form of CCHD, accounts for a substantial proportion of cyanotic congenital heart diseases. It is characterized by four anatomical abnormalities: ventricular septal defect, pulmonary stenosis, overriding aorta, and right ventricular hypertrophy. These structural defects disrupt intracardiac blood flow, reduce arterial oxygen saturation, and result in cyanosis and other related symptoms. Untreated TOF leads to significant health issues early in life, including growth retardation, recurrent hypoxic episodes, heart failure, and increased susceptibility to infections. Long-term survival is ma…

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Qiang Wang Prof Beijing Anzhen Hospital,Capital Medical University  ·  8613811548581  ·  wq.cory@163.com

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