Upper Extremity Entrapment Neuropathies in Adults With Arthrogryposis Multiplex Congenita: A National Database Study

Adults with arthrogryposis multiplex congenita (AMC) experience lifelong disability from joint contractures, yet susceptibility to upper extremity compressive neuropathy remains unevaluated. Using the TriNetX US Collaborative Network, we identified 2772 adults with AMC and 100,903,909 controls. Prevalence of upper extremity entrapment neuropathies was compared using prevalence ratios (PR) and 95% confidence intervals, with age-stratified analyses across three strata (18-39, 40-59, and 60-69...