期刊
THORAX
卷 67, 期 11, 页码 977-984出版社
BMJ PUBLISHING GROUP
DOI: 10.1136/thoraxjnl-2012-201945
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资金
- National Cancer Institute (NCI) [KM1 CA156726]
- National Center for Research Resources
- National Center for Advancing Translational Sciences, National Institutes of Health [UL1 RR025752]
- Department of Veterans Affairs, Health Services Research and Development (HSRD)
- Gilead Sciences
Background beta-Blocker therapy has been shown to improve survival among patients with ischaemic heart disease (IHD) and congestive heart failure (CHF) and is underused among patients with chronic obstructive pulmonary disease (COPD). Evidence regarding the optimal use of beta-blocker therapy during an acute exacerbation of COPD is particularly weak. Methods We conducted a retrospective cohort study of patients aged >= 40 years with IHD, CHF or hypertension who were hospitalised for an acute exacerbation of COPD from 1 January 2006 to 1 December 2007 at 404 acute care hospitals throughout the USA. We examined the association between beta-blocker therapy and in-hospital mortality, initiation of mechanical ventilation after day 2 of hospitalisation, 30-day all-cause readmission and length of stay. Results Of 35 082 patients who met the inclusion criteria, 29% were treated with beta blockers in the first two hospital days, including 22% with beta 1-selective and 7% with non-selective beta blockers. In a propensity-matched analysis, there was no association between beta-blocker therapy and in-hospital mortality (OR 0.88, 95% CI 0.71 to 1.09), 30-day readmission (OR 0.96, 95% CI 0.89 to 1.03) or late mechanical ventilation (OR 0.98, 95% CI 0.77 to 1.24). However, when compared with beta 1 selective beta blockers, receipt of non-selective beta blockers was associated with an increased risk of 30-day readmission (OR 1.25, 95% CI 1.08 to 1.44). Conclusions Among patients with IHD, CHF or hypertension, continuing beta 1-selective beta blockers during hospitalisation for COPD appears to be safe. Until additional evidence becomes available, beta 1-selective beta blockers may be superior to treatment with a non-selective beta blocker.
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