Nasal Ketorolac Challenge Using Acoustic Rhinometry in Patients With Aspirin-Exacerbated Respiratory Disease.
نویسندگان
چکیده
BACKGROUND AND OBJECTIVE Safer and less time-consuming alternatives to single-blind placebo-controlled oral challenge (SBPCOC) have been sought for the diagnosis of aspirin-exacerbated respiratory disease (AERD). Nasal challenges with various nonsteroidal anti-inflammatory drugs and assessment methods have been developed. Objective: Our objective was to evaluate the utility and safety of nasal ketorolac challenge (NKC) using acoustic rhinometry in patients with suspected AERD. METHODS The study population comprised 36 patients with suspected AERD. NKC was performed with placebo (saline) and 13 mg of ketorolac sprayed as aerosol into both nostrils. A positive challenge result was defined as an increase of ≥30% in nasal symptoms (recorded using a visual analog scale) and a 30% drop in the sum of the volumes of both nasal cavities at 2-8 cm. Patients with a negative NKC result underwent SBPCOC with aspirin (cumulative dose of 750 mg). RESULTS A naso-ocular reaction during NKC was detected in 21 patients. Four patients also developed mild asthma exacerbations (although only 1 experienced a decrease in FEV1 >15%). No other significant adverse events occurred. The remaining 15 patients with a negative NKC result had a negative response during aspirin SBPCOC. CONCLUSIONS NKC assessed using acoustic rhinometry is a reliable method for the study of patients with AERD. We suggest that NKC assessed with acoustic rhinometry was useful and safe for selection of candidates for safe oral aspirin challenge.
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ورودعنوان ژورنال:
- Journal of investigational allergology & clinical immunology
دوره 27 3 شماره
صفحات -
تاریخ انتشار 2017