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Rheumatology (Oxford). 2011 Apr;50(4):697-702. doi: 10.1093/rheumatology/keq351. Epub 2010 Nov 25.

Mortality in Wegener's granulomatosis: a bimodal pattern.

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  • 1Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford OX3 7LD, UK. raashid.luqmani@noc.nhs.uk

Abstract

OBJECTIVE:

To characterize the long-term mortality in patients with WG compared with matched population-based controls.

METHODS:

We used data from the General Practice Research Database, which contains the computerized records of 6.25 million patients and is representative of the population of the UK. We identified all subjects with a new diagnosis of WG in the period 1989-2004, and for each case, compared mortality with 10 controls matched for age, gender and practice.

RESULTS:

We identified 255 patients with a new diagnosis of WG (mean age 58.1 years, range 9-90 years, 47% females) and 2546 controls (mean age 58.1 years, range 9-89 years, 47% females). Mean follow-up was 6.4 years. The mortality for patients with WG was significantly increased during the first year after diagnosis [HR 9.0 (95% CI 5.8, 13.9)], especially for those ≤ 65 years of age [HR 19.9 (95% CI 8.8, 44.9)]. The excess mortality was less marked after the first year: 1-5 years [HR 1.68 (95% CI 1.08, 2.60)], 5-10 years [HR 2.41 (95% CI 1.43, 4.07)], but started to increase by 10-15 years [HR 4.4 (95% CI 2.0, 9.8)]. The Kaplan-Meier survival curve showed an increase in mortality after 8 years.

CONCLUSIONS:

Despite current therapy, patients with WG have a 9-fold increased risk of death in the first year of disease, attributed to infection, active vasculitis and renal failure. Between 1 and 8 years the risk is at its lowest, although higher than the control population. There is an increased mortality from 8 years onwards that remains unexplained.

PMID:
21112869
[PubMed - indexed for MEDLINE]
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