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Time course of recovery of health status following an infective exacerbation of chronic bronchitis.

Spencer, Sally and Jones, Paul W (2003) Time course of recovery of health status following an infective exacerbation of chronic bronchitis. Thorax, 58 (7). pp. 589-593. ISSN 0040-6376

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Abstract

The magnitude and time course of effect of an acute exacerbation of chronic bronchitis (AECB) on health status are not known. Data from the GLOBE study, a randomised double blind trial of antibiotic therapy, were used to investigate these effects. METHODS: 438 patients with AECB received either gemifloxacin 320 mg once daily for 5 days (214 patients) or clarithromycin 500 mg twice daily for 7 days (224 patients) and were followed up for 26 weeks. St George's Respiratory Questionnaire (SGRQ) scores were obtained at baseline and after 4, 12, and 26 weeks. RESULTS: At presentation during an exacerbation SGRQ scores were worse (Total score difference 5.4 units, 95% CI 1.9 to 8.8, p=0.002) in patients who had a subsequent exacerbation during follow up. The greatest improvement in SGRQ score occurred within the first 4 weeks (mean 8.9 units, 95% CI 6.5 to 11.5, p<0.0001). Subsequently, scores improved more rapidly in patients with no further exacerbations. At 26 weeks the difference between the two groups was 9.6 units (95% CI 5.7 to 13.4, p<0.0001). In patients with no further exacerbations the SGRQ score improved between 4 and 12 weeks by a further 4.1 units (95% CI 2.2 to 5.9, p<0.0001). CONCLUSIONS: A single infective AECB has a sustained effect on health status. The recovery period is long even in patients who have no further exacerbations. A second episode within 6 months limits recovery markedly. Treatments that reduce exacerbation frequency could have a significant impact on health status.

Item Type: Article
Journal or Publication Title: Thorax
Subjects: R Medicine > R Medicine (General)
Departments: Faculty of Health and Medicine
ID Code: 55052
Deposited By: ep_importer_pure
Deposited On: 13 Jun 2012 14:20
Refereed?: Yes
Published?: Published
Last Modified: 09 Apr 2014 23:39
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/55052

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