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|Title:||WITHDRAWN: Antibiotics for persistent nasal discharge (rhinosinusitis) in children.|
|Affiliation:||Menzies School of Health Research, Ear Health and Education Unit, Royal Darwin Hospital, Block 4, PO Box 41096, Darwin, Northern Territory, Australia, 0811. firstname.lastname@example.org.|
|Abstract:||Nasal discharge (rhinosinusitis) is extremely common in children. It is the result of inflammation of the mucosa of the upper respiratory tract, and is usually due to either infection or allergy. Infections may be caused by bacteria. To determine the effectiveness of antibiotics versus placebo or standard therapy in treating children with persistent nasal discharge (rhinosinusitis) for at least 10 days. In this updated review, we searched the Cochrane Central Register of Controlled Trials (CENTRAL) (The Cochrane Library Issue 1, 2005) which includes the ARI Group's specialised trials register; MEDLINE (1966 to April Week 3, 2005) EMBASE (1997 to December 2004), and the references of relevant articles were searched. Authors and pharmaceutical companies were contacted. All randomised controlled trials that compared antibiotics versus placebo or standard therapy. Trials which included the use of other medications were included if all participants were allowed equal access to such medications or if the additional or alternative therapies were regarded as ineffective. Trials that only combined or compared antibiotics with surgery, or sinus puncture and lavage, were not included in the review. Data were extracted by a single author for the following eight outcomes: overall clinical failure (primary outcome), failure to cure, failure to improve, clinical improvement, time to resolution, complications, side-effects and bacteriologic failure. For the dichotomous outcome variables of each individual study, proportional and absolute risk reductions were calculated using a modified intention-to-treat analysis. The summary weighted risk ratio and 95% confidence interval (CI) (fixed effect model) were calculated using the inverse of the variance of each study result for weighting (Cochrane statistical package, RevMan version 4.2). A total of six studies involving 562 children compared antibiotics with placebo or standard therapy. All studies were randomised but most were still susceptible to bias. Five of the studies were conducted in emergency, allergy or ENT clinics. Four of the studies required children to have x-ray changes consistent with sinusitis. Only the primary outcome (overall clinical failure) was reported in all studies. Around 40% of all randomised children did not have a clinical success documented when reviewed two to six weeks after randomisation. The control event rate varied from to 22 to 71% (mean 46%). The risk ratio estimated using a fixed effects model was 0.75 (95% CI 0.61 to 0.92). There was no evidence of statistical heterogeneity. Side effects (sufficient to cease treatment) occurred in 4 of 189 control group children (four studies). More children treated with antibiotics had side effects (17 of 330), but this difference was not statistically significant (RR 1.75, 95% CI 0.63 to 4.82). For children with persistent nasal discharge or older children with radiographically confirmed sinusitis, the available evidence suggests that antibiotics will reduce the probability of persistence in the short to medium-term. The benefits appear to be modest and around eight children must be treated in order to achieve one additional cure (number needed to treat (NNT) 8, 95% CI 5 to 29). No long term benefits have been documented. These conclusions are based on a small number of small randomised controlled trials and may require revision as additional data become available.|
|Journal title:||The Cochrane database of systematic reviews|
|Citation:||The Cochrane database of systematic reviews 2007-07-18; 3: CD001094|
Randomized Controlled Trials as Topic
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