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Alcaligenes xylosoxidans contact lens-related keratitis--a case report and literature review.
Eye Contact Lens. 2011 Nov; 37(6):386-9.EC

Abstract

BACKGROUND

Alcaligenes xylosoxidans can result in opportunistic infections in patients who are immunocompromised. Alcaligenes xylosoxidans keratitis is a rare infection, almost always occurring in a compromised cornea. Few reported cases have occurred as contact lens-induced keratitis. The purposes of this report are to report a case of A. xylosoxidans keratitis in an immunocompetent contact lens wearer (2-week disposable) and to review the related literature.

METHODS

A 30-year-old man developed acute keratitis in the right eye. He was a 2-week disposable contact lens wearer. He did not report any ocular or systemic illness. Corneal scraping, contact lens, and conjunctiva cultures were performed.

RESULTS

0.5% moxifloxacin eye drops were started hourly with quick recovery and healing of the ulcer and epithelial defect noted within a few days. Culture of the contact lens was positive for A. xylosoxidans. The organism was sensitive to penicillins, third-generation cephalosporins, and fluoroquinolones but resistant to aminoglycosides.

CONCLUSIONS

Alcaligenes xylosoxidans is a potential pathogen in compromised corneas. It has high susceptibility to extended-spectrum penicillins and current generations of fluoroquinolones but rarely responds to aminoglycosides. Alcaligenes xylosoxidans should be considered in the differential diagnosis of contact lens-induced keratitis.

Authors+Show Affiliations

Makkah Eye Complex, Khartoum, Sudan. Abdu1974@hotmail.comNo affiliation info available

Pub Type(s)

Case Reports
Journal Article
Review

Language

eng

PubMed ID

21993586

Citation

Ahmed, Abdalla Awadalla, and Roberto Pineda. "Alcaligenes Xylosoxidans Contact Lens-related Keratitis--a Case Report and Literature Review." Eye & Contact Lens, vol. 37, no. 6, 2011, pp. 386-9.
Ahmed AA, Pineda R. Alcaligenes xylosoxidans contact lens-related keratitis--a case report and literature review. Eye Contact Lens. 2011;37(6):386-9.
Ahmed, A. A., & Pineda, R. (2011). Alcaligenes xylosoxidans contact lens-related keratitis--a case report and literature review. Eye & Contact Lens, 37(6), 386-9. https://doi.org/10.1097/ICL.0b013e318235893a
Ahmed AA, Pineda R. Alcaligenes Xylosoxidans Contact Lens-related Keratitis--a Case Report and Literature Review. Eye Contact Lens. 2011;37(6):386-9. PubMed PMID: 21993586.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Alcaligenes xylosoxidans contact lens-related keratitis--a case report and literature review. AU - Ahmed,Abdalla Awadalla, AU - Pineda,Roberto, PY - 2011/10/14/entrez PY - 2011/10/14/pubmed PY - 2012/1/6/medline SP - 386 EP - 9 JF - Eye & contact lens JO - Eye Contact Lens VL - 37 IS - 6 N2 - BACKGROUND: Alcaligenes xylosoxidans can result in opportunistic infections in patients who are immunocompromised. Alcaligenes xylosoxidans keratitis is a rare infection, almost always occurring in a compromised cornea. Few reported cases have occurred as contact lens-induced keratitis. The purposes of this report are to report a case of A. xylosoxidans keratitis in an immunocompetent contact lens wearer (2-week disposable) and to review the related literature. METHODS: A 30-year-old man developed acute keratitis in the right eye. He was a 2-week disposable contact lens wearer. He did not report any ocular or systemic illness. Corneal scraping, contact lens, and conjunctiva cultures were performed. RESULTS: 0.5% moxifloxacin eye drops were started hourly with quick recovery and healing of the ulcer and epithelial defect noted within a few days. Culture of the contact lens was positive for A. xylosoxidans. The organism was sensitive to penicillins, third-generation cephalosporins, and fluoroquinolones but resistant to aminoglycosides. CONCLUSIONS: Alcaligenes xylosoxidans is a potential pathogen in compromised corneas. It has high susceptibility to extended-spectrum penicillins and current generations of fluoroquinolones but rarely responds to aminoglycosides. Alcaligenes xylosoxidans should be considered in the differential diagnosis of contact lens-induced keratitis. SN - 1542-233X UR - https://www.unboundmedicine.com/medline/citation/21993586/Alcaligenes_xylosoxidans_contact_lens_related_keratitis__a_case_report_and_literature_review_ L2 - https://doi.org/10.1097/ICL.0b013e318235893a DB - PRIME DP - Unbound Medicine ER -