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Antibacterials as adjuncts to incision and drainage for adults with purulent methicillin-resistant Staphylococcus aureus (MRSA) skin infections.

Abstract：

:The annual incidence of skin and soft tissue infections (SSTIs) has nearly tripled in the US since the early 1990s. Many purulent SSTIs in the community setting are caused by methicillin-resistant Staphylococcus aureus (MRSA). Incision and drainage (I&D) are indicated for most purulent MRSA infections; however, the use of adjunctive antibacterials is controversial. The objective of this study was to systematically evaluate studies that have investigated whether or not antibacterials provide added benefit to I&D alone for purulent MRSA SSTIs. We included articles from MEDLINE and The Cochrane Library that fulfilled the following criteria: (i) original research; (ii) English language; (iii) compared I&D alone versus I&D plus antibacterials for purulent MRSA SSTIs; and (iv) compared patient outcomes. We also reviewed the references of these articles to identify other relevant studies. Studies that solely examined paediatric patients were excluded. To facilitate cross-study comparison, we systematically evaluated the following study characteristics: (i) study design; (ii) patient population; (iii) comparator groups; (iv) sample size; (v) outcome measures; (vi) outcome definitions; (vii) duration of follow-up; and (viii) measurement and adjustment of potential confounding variables. Eleven studies, spanning more than 30 years, met inclusion criteria. Two of these were conducted prior to the emergence of MRSA in the community; another evaluated cephalexin versus placebo for MRSA. None of these found added benefit of adjunctive antibacterials. Four studies compared health outcomes between patients who received 'active' or 'appropriate' therapy and those who received 'inactive' or 'inappropriate' therapy after I&D for purulent MRSA SSTIs. Two of these studies found 'active' or 'appropriate' therapy to be beneficial, while two others did not. Four studies compared health outcomes between patients who received anti-MRSA antibacterials plus I&D with those who received alternative antibacterials plus I&D for purulent MRSA SSTIs. Three of these reported improved outcomes with anti-MRSA antibacterials, while another reported mixed findings. Presently, the bulk of the available evidence suggests anti-MRSA antibacterials provide added benefit to I&D alone for purulent MRSA SSTIs; however, the current evidence is limited to small, case-control, observational studies.

journal_name

Drugs

journal_title

Drugs

authors

Forcade NA,Wiederhold NP,Ryan L,Talbert RL,Frei CR

doi

10.2165/11599510-000000000-00000

subject

Has Abstract

pub_date

2012-02-12 00:00:00

pages

339-51

issue

eissn

0012-6667

issn

1179-1950

pii

journal_volume

pub_type

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Antibacterials as adjuncts to incision and drainage for adults with purulent methicillin-resistant Staphylococcus aureus (MRSA) skin infections.