Pseudomonas infection

Apr 8th, 2015
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Study guide on Pseudomonas infection

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PSEUDOMONAS INFECTIONSEU MBCHB 3DR D M KILLINGOINTRODUCTION Pseudomonas aeruginosa isone of the most commonly considered gramnegative aerobic bacilli in the differentialdiagnosis of a number of probable gram-negativeinfections. This organism is frequently feared because itcauses severe hospital-acquired infections,especially in immunocompromised hosts, and isoften antibiotic resistant, complicating the choiceof therapy.Types Pseudomonal infectionsSKIN AND SOFT TISSUE INFECTION In addition tometastatic skin lesions occurring in the setting ofpseudomonal bacteremia, primary skin and soft tissueinfection due to P. aeruginosa may occur in the followingclinical situations: After burns Following trauma, particularly after injury in aquaticenvironments Postoperatively Cellulitis in neutropenic patients Chronic decubitus ulcers Folliculitis acquired in hot tubs Pyoderma resembling this infection due to other commonpathogensEYE INFECTION Corneal and conjunctival infections- Corneal ulcers -Corneal ulcers due P. aeruginosausually result from minor trauma to the cornea.- Blepharoconjunctivis -Critically ill patients, neonates,or burn patients may develop unilateral or bilateralconjunctivitis due to P. aeruginosa- Endophthalmitis -Predisposing causes Fourmechanisms can lead to P. aeruginosaendophthalmitis: Perforating corneal ulcers Penetrating ocular injuries Postoperative complication of eye

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