IJOHNS> Vol.4 No.1, January 2015

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Motohiro Sawatsubashi^*, Daisuke Murakami, Shizuo Komune

Department of Otolaryngology—Head and Neck Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.

Background: The purpose of this study was to determine an appropriate period for macrolide antibiotic therapy, and to investigate whether this period could be shorter, for patients with chronicrhino sinusitis (CRS) after functional endoscopic sinus surgery (FESS). Methods: A retrospective analysis of 41 patients undergoing FESS for CRS was performed. All patients underwent pre-operative computed tomography (CT). Patients with fungal sinusitis, allergic fungal sinusitis, and eosinophilic sinusitis were excluded. After FESS, normalized sinus mucosa was confirmed by CT and endoscopy in all patients. Postoperative antibiotic therapy consisted of first-line and second-line regimens. Garenoxacin (GRNX), or clarithromycin (CAM, 400 mg/day) was used as the first-line regimens and low-dose macrolide therapy (CAM, 200 mg/day) was used as the second-line regimen and was prescribed at outpatient visits based on our clinical criteria. Results: Second-line antibiotic therapy (low-dose CAM) was not necessary in 12 of 41 (29%) patients, while it was prescribed in 29 of 41 (71%). The mean duration of low-dose CAM therapy after FESS was 36 days (range 7 to 122 days; median, 25 days). Patients who received second-line therapy (n = 29) were divided into two groups based on the choice of first-line therapy, a GRNX group (n = 13) and a non-GRNX group (n = 16). Those in the non-GRNX had longer periods of postoperative CAM therapy than those in the GRNX group. Conclusion: GRNX was associated with a shorter duration of low-dose macrolide therapy after FESS, and 29% of patients did not need any low-dose macrolide therapy postoperatively. Therefore, macrolide antibiotics should not be routinely prescribed after FESS.

Chronic Rhinosinusitis, Functional Endoscopic Sinus Surgery, Macrolide Therapy, Garenoxacin, Postoperative Antibiotic Therapy

Sawatsubashi, M. , Murakami, D. and Komune, S. (2015) Antibiotic Treatment for Chronic Rhinosinusitis after Endoscopic Surgery: How Long Should Macrolide Antibiotics Be Given?. International Journal of Otolaryngology and Head & Neck Surgery, 4, 44-49. doi: 10.4236/ijohns.2015.41008.