Wilkens SC, et al. - Authors assessed the impact of a decision aid prior to the appointment, upon decisional conflict measured immediately after the visit relative to usual care. They also ascertained other effects of the decision aid over time. A measurable reduction in decision conflict was led by the use of a decision aid prior to a first-time visit for trapeziometacarpal (TMC). People seeking care for TMC arthritis become more comfortable with their decision making with the help of decision aids.