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Pulmonary valve stenosis is a condition characterized by obstruction to blood flow from the right ventricle to the pulmonary artery. This obstruction is caused by narrowing (stenosis) at one or more points from the right ventricle to the pulmonary artery. The most common form of pulmonary stenosis is obstruction at the valve itself, referred to as pulmonary valvar stenosis.
Pulmonary valve stenosis signs and symptoms vary, depending on the extent of the obstruction. People with mild pulmonary stenosis usually don't have symptoms. Pulmonary valve stenosis signs and symptoms may include Heart murmur - an abnormal whooshing sound heard using a stethoscope, caused by turbulent blood flow, Shortness of breath, especially during exertion, Chest pain, Loss of consciousness (fainting), Fatigue.
Statistical analysis on pulmonary valve stenosis in Israel results as that SRNS was diagnosed at the mean age of 2.3 ± 3.1 yr with neonatal presentation in three infants. Sixteen children from this cohort reached ESRD during their first decade of life, and eight underwent kidney transplantation. Cardiac anomalies were detected in 16 (89%) of 18 children at the time of diagnosis of SRNS, while they all had normal BP and preserved kidney function (Table 1). The most common finding was of LVH, detected in eight children, followed by pulmonary stenosis (valvular, supravalvular, or peripheral pulmonary artery stenosis) in six children.