What is the radical operation of tetralogy of Fallot

summary

Many people may not know much about the radical operation of tetralogy of Fallot. Maybe some people have never heard of this disease and the way of treatment. Indeed, it does not belong to the disease we often see. Let's talk about the radical operation of tetralogy of Fallot.

What is the radical operation of tetralogy of Fallot

First, tetralogy of Fallot is a common congenital heart malformation. The basic pathologies were ventricular septal defect, pulmonary artery stenosis, aortic straddling and right ventricular hypertrophy. Tetralogy of Fallot is the most common type of cyanotic cardiac malformation in children. The prognosis of children with tetralogy of Fallot mainly depends on the degree of pulmonary artery stenosis and collateral circulation. 25% - 35% of severe cases die within one year old.

Second, the four malformations of tetralogy of Fallot are the result of hypoplasia of the right ventricular infundibulum or conus, that is, at the fourth week of the embryo, the arterial trunk does not rotate reversely, the aorta remains on the right side of the pulmonary artery, the conus septum moves forward, and the normal sinus ventricular septum fails to close, thus forming the hypoplastic infundibulum and subcristal ventricular septal defect, namely perimembranous ventricular septal defect.

Third, the correction of tetralogy requires supine position, general anesthesia and median chest incision. Moderate hypothermic cardiopulmonary bypass is generally recommended, while deep hypothermic circulatory arrest and low flow cardiopulmonary bypass are recommended for newborns. Generally, 4 ℃ cold blood cardioplegia is used to induce cardiac arrest by coronary artery perfusion for myocardial protection.

matters needing attention

Therefore, we need to have some basic understanding of tetralogy of Fallot radical operation, so that in the future, if we encounter this situation, we will not be at a loss. We don't know what to do, that is, we should be prepared, and it's always no harm to master some basic knowledge.