Objective: To compare the outcomes of adult patients with recurrent epistaxis treated intraoperatively with either bipolar electrocautery or microwave ablation (MWA).
Study Design: Prospective randomized control study.
Materials And Methods: One hundred ten patients with idiopathic recurrent epistaxis who met the inclusion criteria were randomly assigned into MWA group and bipolar electrocautery group. Primary outcomes were the proportion of patients in each group whose bleeding had stopped within 24 hours after treatment and time to achieve successful hemostasis. Secondary outcomes were the rebleeding rate after 3 days, 1 and 12 weeks, and 6 months and complications.
Results: Successful immediate arrest of epistaxis was achieved in all patients. The times to achieve successful hemostasis were 2.13 ± 1.04 minutes in the MWA group and 6.60 ± 2.68 minutes in the bipolar electrocautery group ( = .000). The rates of recurrent bleeding were similar in patients treated with the different approaches ( = .231). However, secondary crusting was observed endoscopically in 59 patients in the bipolar electrocautery group, while pseudomembrane of the ablation zone was seen in 19 (36.5%) patients in the MWA group. Nevertheless, there were no severe postoperative complications, including septal perforation and orbit and brain complications, in either group at the 6-month follow-up.
Conclusion: Bipolar electrocautery and MWA had similar outcomes for the treatment of adult patients with recurrent epistaxis. However, MWA resulted in rapid hemostasis with less local nasal pain and less crust. Thus, MWA could be a favorable treatment option for patients with idiopathic recurrent epistaxis.
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