American journal of otolaryngology
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The American Academy of Otolaryngology-Head and Neck Surgery regards randomized controlled trials as class A evidence. A novel method to determine the robustness of outcomes in trials is the fragility index. This index represents the number of patients whose status would have to change from a non-event to an event to make a statistically significant result non-significant. ⋯ A median fragility index of 3 indicates that three people, on average, are needed to alter the outcomes in otolaryngology trials. This indicates that the results of two-group randomized controlled trials reporting binary endpoints published in otolaryngology journals may frequently be fragile.
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Randomized Controlled Trial
Ultrasound guided superior laryngeal nerve block as an adjuvant to generalanesthesia during endoscopic laryngeal surgery: A prospective, randomized, double-blind trial.
Blindly administered bilateral (B/L) superior laryngeal nerve (SLN) blocks, have been used to decrease the perioperative stress response of endoscopic laryngosurgeries. Use of ultrasound (USG) for giving these blocks is more likely to be successful, with fewer complications. We evaluated the efficacy of USG guided B/L SLN block in decreasing perioperative cough, sore-throat and hoarseness of voice. ⋯ USG guided SLN block as an adjuvant to GA resulted in better recovery profile of the patients with significant reduction in postoperative cough, sore throat and hoarseness of voice.
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Randomized Controlled Trial Comparative Study
Comparison of the medical costs and effects of large traumatic eardrum perforations treatment.
We investigated the medical costs and effects of ofloxacin drops (OFLX), gelatin sponge patches, spontaneous healing, and endoscopic myringoplasty on healing in large tympanic membrane perforations (TMPs). ⋯ Although the gelatin sponge and myringoplasty treatments significantly shortened the closure time compared with spontaneous healing, the gelatin sponge patch did not significantly improve the closure rate, and the medical cost of myringoplasty was significantly higher than that of the other treatments. In contrast, OFLX significantly shortened closure time and had a higher closure rate than spontaneous healing, and the medical costs were lower than those of the gelatin sponge and myringoplasty procedures.