Objective: Cryotherapy ablation of the posterior nasal nerve (PNN) for treatment of patients with refractory chronic rhinitis (CR) is associated with postoperative facial pain and headache. This study sought to understand factors that may contribute to the development of this adverse effect.

Methods: Patients undergoing PNN cryotherapy ablation for refractory CR at a single institution from January 2018 to August 2023 were included. Demographics and clinical characteristics were collected via chart review and interview. Student's T-test and Chi-square tests were used to assess the significance of quantitative and categorical data, respectively (alpha = 0.05).

Results:  Forty-eight patients underwent cryotherapy ablation. Twenty-eight patients (58%) reported having facial pain and headache (adverse effect group) immediately post-procedurally. The average age of the adverse effect group was 54.9 years (SD: 17.8 years) which was significantly lower (p=0.002) than the asymptomatic group (69.7 years, SD: 8.7 years). Female patients were significantly more likely to experience this adverse event than males (p=0.04). Moreover, Caucasian females were significantly more likely to experience this adverse effect when compared to all patients experiencing the adverse effect (n=15, p=0.04). Previous diagnosis of migraine disorder was more common in the adverse effect group (28%) compared to the asymptomatic group (15%) but not statistically significant (p=0.26). Previous migraine, trigeminal neuralgia, or headache disorder diagnoses were not significantly correlated with adverse effect prevalence (p = 0.26, 0.24, 0.15, respectively).

Conclusion: Given the relative immediacy and severity of this adverse effect, physicians should strongly consider these factors when counseling and selecting certain patient groups for this procedure.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11226239PMC
http://dx.doi.org/10.7759/cureus.61749DOI Listing

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