Blood flow from the heart to the lungs or the body, the pda may be needed to maintain blood flow and oxygen levels temporarily. Doctors sometimes use medication to keep the ductus open after birth until corrective surgery for the heart defect(s) can be performed. About 3,000 infants are born with pda each year in the united states. It is more common in premature infants (babies born too early), but does occur in full-term infants. Premature babies with pda are more vulnerable to its effects. Pda is twice as common in girls as in boys. Effects of pda a pda allows too much blood to pass through your baby's lungs. Some oxygen-rich (red) blood traveling in the aorta out to the body flows through the pda back to the lungs. This extra blood flowing to the lungs overloads the lungs and the heart. The larger your baby's pda is, the greater the amount of extra blood that passes through his or her lungs. A small pda might not cause any symptoms, while a larger pda is likely to cause symptoms. Pda can cause congestive heart failure: the left side of your baby's heart becomes enlarged and weakened from having to work so hard pumping the extra blood that is returning from the lungs. The lungs become congested with fluid from the extra blood passing through them. In addition to congestive heart failure, pda can lead to: pulmonary vascular disease--damage to the arteries in the lungs due to the extra blood flow. The arteries become stiff and thickened, making it harder for blood to flow through them (pulmonary vascular resistance). This change becomes irreversible over time. Bacterial endocarditis--an infection of the lining of the heart, valves, or arteries.
In the case of pda, the shunting of blood from the aorta to the lungs irritates the lining of the left pulmonary artery where the pda connects. This irritation of the artery lining makes it easier for bacteria in the bloodstream to collect and grow there. Fortunately, a number of treatments are available for pda if the pda does not close on its own. Treatment often does not require surgery, but can be through medicine or catheter-based. Once a pda is closed, most children live healthy lives medical departments & services patient & visitor information metrohealth select mi metrohealth, mi comunidad physician referral service enroll in clinical trials volunteer opportunities news room about metrohealth - m.
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