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Risk of asthma exacerbation associated with nonsteroidal anti-inflammatory drugs in childhood asthma: A nationwide population-based cohort study in Taiwan.

ABSTRACT: Patients allergic to aspirin or nonsteroidal anti-inflammatory drugs (NSAIDs) who develop respiratory reactions such as bronchospasm or asthma exacerbation have aspirin-induced asthma or NSAIDs-exacerbated respiratory disease. However, large-scale studies have not been conducted to investigate the risk of aspirin/NSAIDs exposure in children with asthma. Therefore, this study evaluated the relationship between aspirin/NSAIDs and the risk of asthma exacerbation in children with asthma.This retrospective cohort study was conducted using the data of 1 million random beneficiaries of the Taiwan National Health Insurance program between 1997 and 2012. Children aged ≦18 years diagnosed with asthma by physicians were enrolled. The study population was divided into the index group (concurrently using antiasthmatic agents and NSAIDs patients) and reference group (using antiasthmatic drugs alone), and the relative risks (RRs) of hospitalizations resulting from asthma exacerbation in both groups were estimated.The rate of asthma exacerbation was higher in the index group than the reference group, resulting in asthma-related hospitalizations (RR: 1.49, 95% confidence interval [CI]: 1.37-1.61; adjusted RR: 1.41, 95% CI: 1.30-1.53). Short-term aspirin, ibuprofen, and diclofenac use probably correlated with asthma exacerbation in children with asthma. No association between long-term aspirin, ibuprofen, and diclofenac consumption and the risk of asthma exacerbation was identified in this study.

SUBMITTER: Lo PC

PROVIDER: S-EPMC5072955 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Background & aimsNonsteroidal anti-inflammatory drugs (NSAIDs) have been suggested to protect against esophageal adenocarcinoma (EAC). This study examined the effect of NSAIDs on the risk of developing Barrett's esophagus (BE), the precursor lesion to EAC.MethodsWe conducted a case-control study among eligible patients scheduled for either elective esophagogastroduodenoscopy (EGD) or recruited from primary care clinics to undergo a study EGD. We compared 323 patients with BE (296 nondysplastic and 27 dysplastic) with 2 separate control groups: 1347 patients from the elective EGD group (endoscopy controls) and 502 patients from the primary care group (primary care controls) with no endoscopic or histopathologic BE. Use of aspirin products and 23 nonaspirin NSAIDs was ascertained from detailed, self-reported questionnaires. We calculated odds ratios (ORs) and 95% confidence intervals (CIs) using multivariable logistic regression models.ResultsThere were no significant differences in self-reported NSAID use between all BE cases and all controls (58.2% vs 54.6%; P = .33); this was seen for aspirin products (43.0% vs 37.4%; P = .08) and nonaspirin NSAIDs (7.7% vs 8.9%; P = .46). These findings persisted in the multivariable model for any NSAIDs (adjusted OR, 0.89; 95% CI, 0.75-1.28), aspirin (adjusted OR, 1.16; 95% CI, 0.90-1.51), and nonaspirin NSAIDs (adjusted OR, 0.88; 95% CI, 0.55-1.39). Use of a combination of aspirin and nonaspirin NSAIDs was reported in 7.4% of cases and 8.3% of controls, and a nonsignificant inverse association with BE was seen (adjusted OR, 0.70; 95% CI, 0.44-1.11). There was no significant association between BE and daily NSAID use (adjusted OR, 1.03; 95% CI, 0.78-1.37). Similar findings were observed for comparisons involving nondysplastic or dysplastic BE cases, and endoscopy or primary care control groups separately or combined.ConclusionsThe use of NSAIDs was not associated with a reduced risk of BE. It is likely that the protective mechanism of NSAIDs on EAC occurs subsequent to the development of BE.

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Risk of asthma exacerbation associated with nonsteroidal anti-inflammatory drugs in childhood asthma: A nationwide population-based cohort study in Taiwan.

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