Individuals with Williams syndrome have an increased risk of complications with the use of anesthesia.Īdditional signs and symptoms of Williams syndrome include abnormalities of connective tissue (tissue that supports the body's joints and organs) such as joint problems and soft, loose skin. Other problems with the heart and blood vessels, including high blood pressure ( hypertension) and stiff blood vessels, have also been reported in people with Williams syndrome. Narrowing of other vessels, including the artery from the heart to the lungs (pulmonary stenosis) and the arteries that supply blood to the heart (coronary artery stenosis) can also occur. If this condition is not treated, the aortic narrowing can lead to shortness of breath, chest pain, and heart failure. Supravalvular aortic stenosis is a narrowing of the large blood vessel that carries blood from the heart to the rest of the body ( the aorta ). Older children and adults typically have a longer face with a wide mouth and full lips.Ī form of cardiovascular disease called supravalvular aortic stenosis (SVAS) occurs frequently in people with Williams syndrome. Many affected people have dental problems such as teeth that are small, widely spaced, crooked, or missing. Young children with Williams syndrome have distinctive facial features including a broad forehead, puffiness around the eyes, a flat bridge of the nose, full cheeks, and a small chin. Attention deficit disorder (ADD), problems with anxiety, and phobias are common among people with this disorder. Affected individuals have outgoing, engaging personalities and tend to take an extreme interest in other people. People with Williams syndrome typically have difficulty with visual-spatial tasks such as drawing and assembling puzzles, but they tend to do well on tasks that involve spoken language, music, and learning by repetition (rote memorization). This condition is characterized by mild to moderate intellectual disability or learning problems, unique personality characteristics, distinctive facial features, and heart and blood vessel (cardiovascular) problems. Williams syndrome is a developmental disorder that affects many parts of the body.
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