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Generation and Culture of Lingual Organoids Derived from Adult Mouse Taste Stem Cells

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Does hereditary hemorrhagic telangiectasia affect olfactory or gustatory function?

Silke Steinbach¹, Ayotunde J Fasunla, Sophia P Schäfers

¹Department of Otorhinolaryngology, Philipps-University, Marburg, Germany. silkesteinbach@hotmail.com

American Journal of Rhinology & Allergy

|December 13, 2012

Summary

This summary is machine-generated.

Hereditary hemorrhagic telangiectasia (HHT) patients show reduced olfactory and gustatory functions, specifically hyposmia but not hypogeusia. This chemosensory deficit may be an early HHT sign, impacting quality of life.

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Area of Science:

Neurology
Otolaryngology
Genetics

Background:

Hereditary hemorrhagic telangiectasia (HHT) is a genetic disorder affecting blood vessels.
Olfactory and gustatory functions in HHT patients have not been extensively studied using validated tests.
Nasal and oral cavity issues in HHT may impact smell and taste perception.

Purpose of the Study:

To investigate and document the olfactory and gustatory functions in HHT patients using validated tests.
To compare the chemosensory performance of HHT patients with normative data.
To explore potential correlations between chemosensory deficits and disease characteristics in HHT.

Main Methods:

Fifty-four HHT patients underwent standardized smell tests (Sniffin' Sticks) and taste tests (taste strips).
Subjective olfactory and gustatory function was assessed using visual analog scales.
Results were compared with sex- and age-matched normative data.

Main Results:

HHT patients reported subjective olfactory and gustatory function scores of 65.3 ± 27.7 and 68.1 ± 25.1, respectively.
Patients demonstrated lower olfactory threshold values (hyposmia) but normal identification and discrimination.
Taste test results showed lower values for all taste qualities, but patients were not classified as hypogeusic.

Conclusions:

HHT patients exhibit reduced olfactory function (hyposmia) and taste perception compared to healthy individuals.
The observed chemosensory deficits are not correlated with disease duration, extranasal manifestations, or treatments.
These findings suggest that hyposmia may be an early indicator of HHT, warranting patient awareness for improved quality of life.