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Treatment and Outcome ofNocardiaKeratitis

 

作者: M. Sridhar,   Savitri Sharma,   Prashant Garg,   Gullapalli Rao,  

 

期刊: Cornea  (OVID Available online 2001)
卷期: Volume 20, issue 5  

页码: 458-462

 

ISSN:0277-3740

 

年代: 2001

 

出版商: OVID

 

关键词: Amikacin;Corneal scar;Infectious keratitis;Nocardia;Sulfacetamide;Trimethoprim-sulfamethoxazole

 

数据来源: OVID

 

摘要:

Objective.To report our experience in treatment and outcome ofNocardiakeratitis.Methods.Medical and microbiology records of seven cases of culture-provenNocardiakeratitis seen between January 1997 and March 1999 were reviewed retrospectively. In all patients, corneal scrapings were obtained for direct microscopic evaluation and culture. Drug sensitivity was determined by the Kirby–Bauer disk-diffusion method. The minimum inhibitory concentration of ciprofloxacin and amikacin for these isolates was determined by agar dilution method. Response to medical therapy and the end result were analyzed.Results.By the in vitro Kirby–Bauer disk-diffusion techniques, all isolates were sensitive to amikacin; six of these isolates were sensitive to gentamicin and four were sensitive to ciprofloxacin. The minimum inhibitory concentration (MIC) of amikacin for all isolates by the agar-dilution technique was well below the MIC breakpoint forNocardiaresistance, whereas the MIC of ciprofloxacin was above the MIC breakpoint forNocardiaresistance. All patients responded to medical therapy. The corneal infection resolved in three patients after treatment with ciprofloxacin, in one patient after fortified gentamicin, and in three patients after fortified amikacin. Outcome details were available for six patients. There was good visual recovery in four patients, with visual acuity of 20/25 or better in three. The cornea of two patients developed nonvascularized scars, and in four patients in whom the infiltrates were peripheral, vascularization was seen.Conclusions.Although patients ofNocardiakeratitis may respond to other antibiotics, amikacin appears to be a drug of choice. In this small series, when appropriate therapy was initiated,Nocardiakeratitis resolved promptly with good visual recovery.

 

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