Age and Ageing, Vol 29, 305-309, Copyright © 2000 by British Geriatrics Society
J Newton, D Jones, J Metcalf, J Park, A Burt, M Bassendine and O James
Objectives: many patients with primary biliary
cirrhosis present for the first time aged over 65, but it is unclear
whether the disease is different in older patients. We have examined
presentation and mortality in relation to age at which primary biliary
cirrhosis was first suspected clinically.Design: we
identified 1023 patients from our regional primary biliary cirrhosis
database with definite or probable primary biliary cirrhosis (689
definite); 397 cases (39%) presented aged
ARTICLES
Presentation and mortality of primary biliary cirrhosis in older patients
Department of Medicine (Geriatrics), University of Newcastle upon Tyne, Newcastle upon Tyne, NE2 4HH, UK; Centre for Liver Research, University of Newcastle upon Tyne, Newcastle upon Tyne, UK; Correspondence to OFW James; e-mail: o.f.w.james@ncl.ac.uk
65. Definite primary biliary cirrhosis was defined
as a positive antimitochondrial antibody titre
1/40, abnormal liver enzymes and
compatible/diagnostic histology; probable as the presence of two of these
indications.Results: there was no difference in
presenting clinical features between the older and younger groups. Older
patients were significantly less likely than younger to have had liver
biopsy (50% vs 78%; P <
0.001). The 1023 patients had been followed for 8561 patient years.
Follow-up was shorter (5.9
4
vs 9.8
5.5 years;
P < 0.001). In the older group because of
higher cumulative mortality (59% vs
33%;P < 0.001). Liver-related deaths were
significantly commoner in the older group (18% vs 13%,
P < 0.05). The mortality ratio for liver deaths
(liver deaths per year of follow-up) was 2.4 times higher in the older
group (0.031 vs
0.013).Conclusions: patients with primary biliary
cirrhosis who are over and under 65 have similar features on presentation.
The annual risk of liver death is 2.4 times higher in those presenting over
65, reaffirming the importance of age as an independent prognostic factor
in an unselected primary biliary cirrhosis population.Keywords:
autoimmune disease, elderly, liver, primary biliary cirrhosis
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