{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T14:29:12Z","timestamp":1777904952371,"version":"3.51.4"},"reference-count":26,"publisher":"European Respiratory Society (ERS)","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Eur Respir J"],"accepted":{"date-parts":[[2003,1,6]]},"published-print":{"date-parts":[[2003,5]]},"abstract":"<jats:p>The aim of this study was to evaluate the effect of oral<jats:italic>N<\/jats:italic>\u2010acetylcysteine in the prevention of re-hospitalisation for chronic obstructive pulmonary disease (COPD) exacerbations.<\/jats:p><jats:p>Using the PHARmacoMOrbidity linkage (PHARMO) system the authors included all patients aged \u226555\u2005yrs who had been dispensed medication, labelled for respiratory indications (anatomical therapeutic chemical (ATC) classification system: R03), between 1986\u20131998 and who had also been hospitalised for COPD (International Classification of Diseases (ICD)\u20109: 491, 492, 496) in this time frame. These subjects were subsequently divided into two groups, those who had received<jats:italic>N<\/jats:italic>\u2010acetylcysteine following discharge from their first admission between 1986\u20131998 and those who had not. All the patients were studied starting from their initial discharge, until their first readmission, death or end of data collection period. The maximum follow-up period was 1\u2005yr.<\/jats:p><jats:p>A total of 1,219 patients, who were hospitalised for COPD between 1986\u20131998, were included in this study. After adjustment for disease severity, it was observed that the use of<jats:italic>N<\/jats:italic>\u2010acetylcysteine was significantly associated with a reduced risk of readmission. The readmission risk was significantly lower in patients with high average daily doses of<jats:italic>N<\/jats:italic>\u2010acetylcysteine.<\/jats:p><jats:p>In conclusion it was observed that<jats:italic>N<\/jats:italic>\u2010acetylcysteine reduces the risk of re-hospitalisation for chronic obstructive pulmonary disease by \u223c30% and that this risk reduction is dose-dependent.<\/jats:p>","DOI":"10.1183\/09031936.03.00063402","type":"journal-article","created":{"date-parts":[[2003,5,2]],"date-time":"2003-05-02T21:35:02Z","timestamp":1051911302000},"page":"795-798","source":"Crossref","is-referenced-by-count":74,"title":["<i>N<\/i>-acetylcysteine reduces the risk of re-hospitalisation among patients with chronic obstructive pulmonary 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