Age \<60 years

Inpatient status at the time of ERCP/EUS

Documented history of dementia

Inability to provide informed consent for study participation, implying baseline neurocognitive dysfunction

Blind, deaf, or unable to speak English, as these conditions would preclude our ability to perform assessments.

No access to a telephone to permit pre-procedure and 3 month post-procedure neurocognitive assessment

Assessment of Cognitive and Functional Impairment in Older Patients After ERCP