Age-related differences in olfactory training outcomes: A prospective cohort study.

Introduction: While olfactory function decreases with age, it is unknown how age affects olfactory training (OT) efficacy. This study compared OT in two cohorts of subjects: aged ≤50 (younger cohort) and aged 51+ (older cohort) with olfactory dysfunction (OD) primarily from COVID-19 infection.

Methods: Subjects with OD primarily secondary to COVID-19 infection were prospectively recruited and enrolled into an OT registry.

Comparing outcomes of right verse left hepatic approach percutaneous biliary drainage catheters.

Purpose: Determine if there is a difference in adverse events (AE) between right or left hepatic percutaneous biliary drain placement (PTBD) in patients with biliary strictures.

Materials & Methods: This retrospective study included patients with benign or malignant biliary stricture treated with PTBD at a single institution from 7/28/2004-3/30/2021. 357 patients met inclusion criteria, 77 (21.