Adults with Williams syndrome

American Journal of Medical Genetics. Supplement
Colleen A MorrisS A Demsey

Abstract

Reports of adults with Williams syndrome (WS) have been rare. We have evaluated 13 adult WS patients and reviewed 16 case reports of WS in patients older than age 16 years. Adults in our study had progressive multisystem medical problems. Cardiovascular complications were common (12/13) including hypertension (8), supravalvular aortic stenosis (9), aortic hypoplasia (3), pulmonic artery stenosis (4), peripheral stenoses (3), and mitral valve prolapse (2). Joint limitation (12/13) was progressive, often accompanied by kyphoscoliosis and lordosis. Recurrent urinary tract infections in 6 individuals led to radiologic studies showing urethral stenosis in 2, and bladder diverticula and vesicoureteral reflux in 3. Gastrointestinal problems included obesity (5), chronic constipation (7), diverticulosis (3), and cholelithiasis (4). Hypercalcemia was documented in 5 patients, although others had hypercalcemic symptoms (abdominal pain, polyuria, and constipation). One 45-year-old man had parathyroid hyperplasia. Previous reports likewise document significant morbidity. Thus, Williams syndrome in an adult appears to dictate aggressive evaluation and monitoring. Investigation of calcium metabolism should be undertaken in each adult WS pati...Continue Reading

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Citations

Jan 13, 2006·Journal of Intellectual Disability Research : JIDR·P Howlin, O Udwin
May 21, 2008·Journal of Child Psychology and Psychiatry, and Allied Disciplines·Marilee A MartensDavid C Reutens
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Apr 7, 2017·Congenital Heart Disease·R Thomas Collins IiJustin T Hamrick

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