Abstract:
BACKGROUND:Epidermal necrolysis (EN) involving ≥10% of the body surface area (BSA) is often complicated by bacterial infections. OBJECTIVE:We sought to describe the epidemiology of bloodstream infections (BSIs) in EN involving a BSA ≥10% and the diagnostic performances of skin cultures for predicting the pathogen(s) isolated from BSIs. METHODS:This retrospective single-center observational study was conducted between 2009 and 2017. All patients referred at the acute phase for EN involving a BSA ≥10% were included. All clinical and bacteriologically relevant data were collected (blood and skin cultures results, number, and severity and time of BSI). Sensitivity, specificity, and predictive values of skin cultures and impact of the bacterial inoculum were investigated. RESULTS:Of 98 patients, 46 (46.9%) had ≥1 BSI episode during the hospital stay (BSIs were caused by Staphylococcus aureus [n = 17, 36.9%] and Pseudomonas aeruginosa [n = 17, 36.9%]). Skin cultures were concordant with blood cultures in 32 cases (71.1%). The positive and negative predictive values were 57.7% and 89.4% for S aureus and 50.0% and 80.9% for P aeruginosa, respectively. BSI increased with cutaneous inoculum of S aureus. LIMITATIONS:This was a retrospective single-center design with a low total number of BSIs. CONCLUSION:Skin cultures for S aureus and P aeruginosa may help predict the pathogens involved in BSIs.
journal_name
J Am Acad Dermatoljournal_title
Journal of the American Academy of Dermatologyauthors
Lecadet A,Woerther PL,Hua C,Colin A,Gomart C,Decousser JW,Mekontso Dessap A,Wolkenstein P,Chosidow O,de Prost N,Ingen-Housz-Oro Sdoi
10.1016/j.jaad.2019.03.030subject
Has Abstractpub_date
2019-08-01 00:00:00pages
342-347issue
2eissn
0190-9622issn
1097-6787pii
S0190-9622(19)30444-Xjournal_volume
81pub_type
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