Is it Possible to Reuse the University of Pennsylvania Smell Identification Test (UPSIT ^® )? The "2 Zs" Protocol.

ABSTRACT:

Introduction

The University of Pennsylvania Smell Identification Test (UPSIT ^® ) is a reliable olfactory test that is easy and quick to apply. It is a one-time use test and its reuse is not recommended by the manufacturer.

Objectives

Because in high-demand healthcare facilities testing all patients with UPSIT ^® can be costly, in this present study we sought to assess the feasibility of reusing the UPSIT.

Methods

Two hundred and ninety healthy volunteers aged 18 and 40 without olfactory complaints participated in the study. Two hundred and forty volunteers underwent the UPSIT ^® scratching the small strip of the test doing only 2 Z-shaped scratches ("2 Zs" protocol); each UPSIT ^® was used 20 times by same-sex participants. The

SUBMITTER: Asada LO 

PROVIDER: S-EPMC12473524 | biostudies-literature | 2025 Jul

REPOSITORIES: biostudies-literature