The exact etiology of congenital heart disease has not yet been determined, mainly due to a large number of congenital malformations of the
The exact etiology of congenital heart disease has not yet been determined, mainly due to a large number of congenital malformations of the heart, large vessels in the early embryonic development disorders or developmental disorders caused by abnormal anatomy of the cardiovascular anatomy. Including dozens of simple or complex developmental abnormalities of the heart or great vessels.
The incidence of congenital heart disease in infants has been high, it is worth noting that: every year about 100 thousand of newborns born with congenital heart disease in children. Congenital heart disease including atrial septal defect, cardiovascular, patent ductus arteriosus and tetralogy of Fallot. The severity of CHD is mainly related to the anatomic site, size and extent of the cardiac malformation.
A lot of infants with congenital heart disease was not diagnosed early, various complications occurred in the progression of the disease process, thus delay the treatment, such as congenital heart disease complicated with Eisen Mange syndrome, is a contraindication of surgery, often lose the opportunity of surgery, so many children died young. It is generally believed that the sooner the better the effect of congenital heart disease surgery, so early detection of congenital heart disease in infants, treatment is very helpful.
In order to facilitate parents to understand how early detection of infants with congenital heart disease, how to timely treatment of science knowledge, according to the hemodynamic and anatomic features of the various types of congenital heart disease and shunt direction are divided into three categories, and describes the main symptoms and signs in infants with congenital heart disease.
The first kind of left to right heart shunt group in clinical often have the following symptoms and manifestations of congenital heart disease in infants:
1: shortness of breath in neonates or infants, found that children from starvation wait for food, but found sucking fatigue, shallow breathing, sucking because of shortness of breath and discard the milk to breathe, a few breaths to stop, feel very tired, sweating.
2 recurrent respiratory tract infection or pneumonia: This is the most common symptom and treatment of heartmurmurs, lung congestion, mild respiratory tract infection caused by pneumonia, cough, shortness of breath, some babies cry hoarse voice, and even heart failure symptoms.
3: growth retardation due to systemic blood flow and oxygen supply shortage caused by the growth retardation in children than their peers, their weight behind backward length is more obvious.
4: when the edema of children with congenital heart disease, the various symptoms and manifestations, if found in oliguria, lower extremity pitting edema, said children from the function has not been due to heart failure compensation, this is a very important warning!
5: this group of diseases not cyanosis cyanosis, but without timely treatment, the complications of pulmonary hypertension, right to left shunt caused by blood flow can occur cyanosis, also has lost the opportunity of treatment.
Second kinds of left heart to right shunt group, as a kind of complex malformation in infants with congenital heart disease. Common clinical symptoms and manifestations:
1: blue or cyanosis congenital heart disease is an important symptom complex, manifested in the skin, mucous membrane (especially lips) cyanosis, especially in noisy cry, after the activity intensifies, such as in the neonatal period of cyanosis, common with complete transposition of the great arteries, pulmonary artery atresia; in 6 months to 1 years old gradually cyanosis the aggravation of tetralogy of Fallot.
2 is a common congenital heart disease: squat infant tetralogy of Fallot's performance, in addition to cyanosis aggravated with the increase of age, when he will walk, you will find that children have less, not far away is a sense of weakness, automatic to squat posture or knee chest position, after a short break up again this process makes the body squatting activities, increased vascular resistance, promote venous blood back into the heart and increased oxygenation, to improve the symptoms of hypoxia.
3 syncope: also known as hypoxic seizures often occur in lactation, crying, defecation due to hypoxia, baby infant congenital heart disease sudden dyspnea, cyanosis aggravated, lose consciousness or even cramps.
4 clubbing finger (toe): infants with congenital heart disease symptoms clubbing finger (toe) often appear in the tetralogy of Fallot in children because of chronic hypoxia, finger (toe) end of soft tissue, the finger and toe with drumsticks, at the age of 2 to 3 years after often clinically.
5: Hemoptysis in children with tetralogy of Fallot cases, due to long-term hypoxia, Pulmonary Hemoptysis can cause formation of collateral circulation vascular rupture.
Third: no shunt group on the left, no abnormal traffic right heart or great vessels, so no pulmonary congestion often caused respiratory tract, pneumonia, or arterial and venous blood mixing exists, so there is no cyanosis, such infants with congenital heart disease with pulmonary artery stenosis; coarctation of the aorta.
The above three groups of congenital heart disease are heart murmur, heart murmur according to different degree, the doctor for further analysis, with the electrocardiogram, sternum, cardiac ultrasound and other means to confirm the diagnosis of complex congenital heart disease, but also underwent cardiac catheterization, treated by different methods after diagnosis.
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