American journal of otolaryngology · 2021
The role of CT and endoscopy in the evaluation of patients referred for intranasal Cryoablation.
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Schmale Isaac L, Yao William C, Luong Amber U, Citardi Martin J
Аннотация
BACKGROUND: Cryoablation (CA) of the posterior nasal nerves has garnered increasing interest as an office-based procedure for chronic rhinitis (CR). Standardized preoperative evaluation, specifically the role of computed tomography (CT) and nasal endoscopy, has yet to be defined. We report a series of patients who underwent CT and endoscopy as part of CR work-up in patients referred for CA.
OBJECTIVE: Highlight the importance of both nasal endoscopy and CT scan in the evaluation of CR given significant overlap of symptoms and common occurrence of related sinonasal conditions.
METHODS: Retrospective analysis of all patients referred to a single tertiary rhinology practice for CA was performed.
RESULTS: Fifteen patients were sent for CA by medical allergists. Five patients were deemed CA candidates, and 1 patient received only medical CR treatment. Four patients had evidence of incomplete prior sinus surgery and/or continued chronic rhinosinusitis on endoscopic exam. These 4 patients received a combination of medical and surgical management with either complete resolution or improvement in CR symptoms. In 3 patients, CT confirmed chronic rhinosinusitis that was not apparent on endoscopy, and received a combination of medical and surgical management with symptom improvement. In the last two patients, final diagnoses were nasal valve collapse and recurrent acute rhinosinusitis.
CONCLUSIONS: Referrals for CA are becoming more common and the optimal preoperative work up remains unclear. In this limited retrospective review, 67% of patients had diagnoses other than CR and thus were not deemed candidates for CA. Both CT and endoscopy are complementary to a detailed history and physical examination and can aid in CA candidate selection.
OBJECTIVE: Highlight the importance of both nasal endoscopy and CT scan in the evaluation of CR given significant overlap of symptoms and common occurrence of related sinonasal conditions.
METHODS: Retrospective analysis of all patients referred to a single tertiary rhinology practice for CA was performed.
RESULTS: Fifteen patients were sent for CA by medical allergists. Five patients were deemed CA candidates, and 1 patient received only medical CR treatment. Four patients had evidence of incomplete prior sinus surgery and/or continued chronic rhinosinusitis on endoscopic exam. These 4 patients received a combination of medical and surgical management with either complete resolution or improvement in CR symptoms. In 3 patients, CT confirmed chronic rhinosinusitis that was not apparent on endoscopy, and received a combination of medical and surgical management with symptom improvement. In the last two patients, final diagnoses were nasal valve collapse and recurrent acute rhinosinusitis.
CONCLUSIONS: Referrals for CA are becoming more common and the optimal preoperative work up remains unclear. In this limited retrospective review, 67% of patients had diagnoses other than CR and thus were not deemed candidates for CA. Both CT and endoscopy are complementary to a detailed history and physical examination and can aid in CA candidate selection.