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Published on: June 20, 2018
An indirect comparative analysis of two posterior nasal nerve ablation techniques for treating chronic rhinitis: A
Do Hyun Kim1, Soo Whan Kim1, Sung Won Kim1
1Department of Otolaryngology-Head and Neck Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
Objectives:
This systematic review and meta-analysis evaluates and compares the effects of two treatments that ablate the posterior nasal nerves for rhinitis-related symptoms: cryotherapy and radiofrequency neurolysis.
Methods:
We reviewed studies retrieved from PubMed, SCOPUS, Embase, the Web of Science and the Cochrane database up to June 2023. Papers reporting quality-of-life and rhinitis-related symptom scores before and after cryotherapy, and sham-controlled studies, were analyzed.
Results:
In total, 738 patients enrolled in 10 studies were evaluated. Both cryotherapy and radiofrequency neurolysis significantly improved rhinitis-related symptoms including congestion, itching, rhinorrhea, and sneezing, and quality of life during 12 months of follow-up. Radiofrequency neurolysis was significantly more effective than cryotherapy in terms of reducing total nasal symptom scores at up to 12 months postoperatively. In terms of individual symptoms, itching, rhinorrhea, and congestion were significantly alleviated or tended to be reduced more by radiofrequency neurolysis than by cryotherapy. The improvements in the minimal clinically important difference in total nasal symptom scores (1.0 point) after 3 months of cryotherapy and radiofrequency therapy were 81.8 % and 92.7 %, respectively.
Conclusions:
Cryotherapy and radiofrequency neurolysis both improved rhinitis-symptom and quality-of-life scores. Especially, radiofrequency neurolysis showed the better effectiveness for improving the nasal symptoms related to the rhinitis than cryotherapy.
