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Development of an online registry for adults with arthrogryposis multiplex congenita: A protocol paper.

Bonita J SawatzkyNoemi Dahan-OlielAnn-Marie DavisonJudith G HallHarold Van BosseW Ben Mortensonnull null
Published in: American journal of medical genetics. Part C, Seminars in medical genetics (2019)
Arthrogryposis multiplex congenita (AMC) is considered a rare disorder resulting in multiple congenital contractures in two or more areas. Considerable literature is available on managing the contractures during an affected child's development but little information is available to those managing these ongoing issues in adulthood. Due to the heterogeneity etiological factors and presentation of AMC, and the small sample sizes of previous studies, it has been difficult to generalize results to the adult population. This current study presents the several steps taken to create an international AMC database for adults to populate with their own data over time. The methods included a scoping review of the literature for valid and reliable outcome measures used for AMC, a Delphi methodology to create the database with a team of clinicians, researchers and patients, a Beta testing of the database, and a final launch of the Adult AMC Registry. This registry includes 48 nonstandardized questions and 12 standardized questionnaires. It takes 35-45 min for a participant to complete. A shorter version will be created for participants to complete for years 2 and 3, followed by this longer version every 4 years. The protocol for referring English-speaking patients and access to the registry is provided. Data will be reviewed every year to ensure quality. The registry will be maintained for a minimum of 10 years and data will be comprehensively analyzed every 5 years. Our goal is to have 500 adults with AMC from around the world as participants.
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