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Effects of pulsed ultrasound on olfactory dysfunction in patients with chronic rhinosinusitis: A pilot study
Amin Nakhostin-Ansari1, Atieh Nazem2, Noureddin Nakhostin Ansari3
1Sports Medicine Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran.
Background:
and purpose. Olfactory dysfunction is a common symptom of chronic rhinosinusitis (CRS). This study aimed to evaluate the effects of therapeutic pulsed ultrasound (PUS) on olfactory dysfunction in patients with CRS.
Materials And Methods:
Patients with CRS underwent treatment with PUS for 10 sessions, three days a week. The outcome measures were the Smell Identification Test (SIT) and 20-item Sino-Nasal Outcome Test (SNOT-20).
Results:
Fifteen patients (9 male, mean age 48.9 ± 9.7 years) with disease duration of 55.13 ± 65.4 months participated. Analyses showed olfactory dysfunction was completely resolved (Cohen's d = 5.62). The SNOT-20 scores showed significant improvement of CRS symptoms after treatment (Cohen's d = 1.55). Effects remained at one-month follow-up.
Conclusion:
Therapeutic PUS improved the olfactory dysfunction and sino-nasal symptoms in patients with CRS. The PUS can be considered as a promising strategy to target chronic rhinosinusitis.
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