Ductus-arteriosus Sentence Examples
Increased risk of necrotizing enterocolitis in premature infants with patent ductus arteriosus treated with indomethacin.
The goal of treatment in children is to reopen the ductus arteriosus and restore blood flow to the descending aorta.
Patent ductus arteriosus is common in premature babies, but rare in full-term babies.
The right ventricle pumps blood into the pulmonary artery and blood reaches the aorta through a patent ductus arteriosus (see description in the previous section).
When the ductus does not close at birth, it causes a type of congenital heart disease called patent ductus arteriosus.Advertisement
Patent ductus arteriosus is a condition in which the duct that channels blood between two main arteries does not close after the baby is born.
Patent ductus arteriosus (PDA) is a heart defect that occurs in infants when the ductus arteriosus (the temporary fetal blood vessel that connects the aorta and the pulmonary artery) does not close at birth.
The ductus arteriosus is a temporary fetal blood vessel that connects the aorta and the pulmonary artery before birth.
The ductus arteriosus should be present and open before birth while the fetus is developing in the uterus.
Since oxygen and nutrients are received from the placenta and the umbilical cord instead of the lungs, the ductus arteriosus acts as a "short cut" that allows blood to bypass the deflated lungs and go straight out to the body.Advertisement
After birth, when the lungs are needed to add oxygen to the blood, the ductus arteriosus normally closes.
The closure of the ductus arteriosus ensures that blood goes to the lungs to pick up oxygen before going out to the body.
Closure of the ductus arteriosus usually occurs at birth as levels of certain chemicals, called prostagladins, change, and the lungs fill with air.
If the ductus arteriosus closes correctly, the blood pumped from the heart goes to the lungs, back into the heart, and then out to the body through the aorta.
In some infants, the ductus arteriosus remains open (or patent), and the resulting heart defect is known as patent ductus arteriosus.Advertisement
In either case, there are specific gene changes or mutations which lead to a defect in the elastic tissue forming the walls of the ductus arteriosus.
The combined factors lead to isolated defects in the elastic tissue forming the walls of the ductus arteriosus.
Individuals can survive with a small opening remaining in the ductus arteriosus.
Patent ductus arteriosus (PDA) is a heart problem fairly common in premature babies.
A large artery in the heart called the ductus arteriosus may not develop properly.Advertisement