| ORIGINAL ARTICLE |
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| Year : 2021 | Volume
: 35
| Issue : 1 | Page : 29-33 |
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Presentation and outcomes of orbital cellulitis caused by Group F Streptococcus
Viraj J Mehta1, Eric N Brown2, Rachel K Sobel2
1 Mayo Clinic, Rochester, MN, USA
2 Department of Ophthalmology, Vanderbilt Eye Institute, Nashville, TN, USA
Correspondence Address:
Dr. Viraj J Mehta
200 First St SW, Rochester, MN 55403
USA
 Source of Support: None, Conflict of Interest: None
DOI: 10.4103/1319-4534.325780
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PURPOSE: To compare the presentation and outcomes of patients with orbital cellulitis requiring surgical intervention caused by the Group F Streptococcus (GFS) versus other bacteria. We hypothesize that patients with GFS infections have a more severe presentation and worse clinical outcomes compared to infections by other bacteria.
METHODS: After Institutional Review Board approval at a large academic institutional center, 70 patients with culture-positive orbital cellulitis who required surgical intervention were identified. Clinical examinations before and after surgery as well as preoperative imaging with computed tomography and/or magnetic resonance imaging were reviewed. The study measures were preoperative and postoperative vision, motility, involved sinus disease, complications, and total hospital length of stay. Multiple imputation was used for missing data. Characteristics of patients were compared using Chi-square and Wilcoxon rank-sum.
RESULTS: Nineteen patients (27%) had positive cultures for GFS and 51 patients (73%) had positive cultures for other bacterial species. There was no significant difference in visual acuity, motility, or inflammatory markers in patients with GFS compared to other patients. Patients with GFS were noted to have more sinus involvement on presentation compared to patients with other bacterial infections (P = 0.007).
CONCLUSION: GFS associated orbital cellulitis is associated with significantly more sinus involvement, but has similar outcomes as orbital cellulitis from other bacterial species.
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