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Clin Rheumatol. 2016 Sep;35(9):2229-33. doi: 10.1007/s10067-016-3336-4. Epub 2016 Jul 4.

Mortality in patients with ankylosing spondylitis in Argentina.

Author information

1
Rheumatology Section, Instituto de Rehabilitación Psicofísica (IREP), Echeverria 955, Ciudad Autonoma de Buenos Aires, Argentina. emilio.buschiazzo@gmail.com.
2
Rheumatology Section, Instituto de Rehabilitación Psicofísica (IREP), Echeverria 955, Ciudad Autonoma de Buenos Aires, Argentina.

Abstract

Some reports describe an increased mortality in patients with ankylosing spondylitis (AS) compared to the general population. The aims of this study were to evaluate the cumulative survival in patients with AS and to establish possible factors associated with mortality. In cross-sectional retrospective study, AS patients were included according to 1984 modified NY criteria, in the 2000-2010 period, the prevalence of mortality was determined by review of medical records, telephone contact, family reports, and death certificates, and it was compared with mortality in Argentina's general population. One hundred twenty-seven patients were studied, 96 (75.6 %) were male, median age 49 years (interquartile range (IQR) 34-60) and median disease duration 8 years (IQR 4-17). During the follow-up period, 9 patients died (7.1 %). The median estimated survival from diagnosis of AS was 39 years (IQR 34-50) and median cumulative survival was 76 years (IQR 74-85). Cardiovascular disease was the most frequent cause of death (5/9 patients). Deceased patients had a mean age and a mean AS disease duration significantly higher than living patients (68.1 ± 12.4 years vs 46.4 ± 15.09 years, p = 0.0001 and 33 ± 13.7 years vs 12 ± 10.7 years, p = 0.001, respectively), higher frequency of total surgeries [3/5 (60 %) vs 5/105 (4.76 %), p = 0.002] and cauda equina syndrome [3/6 (50 %) vs 2/116 (1.72 %), p = 0.001], respectively. Frequency of mortality in AS patients was higher than the crude mortality rate of Argentina's general population in the same period, with cardiovascular cause being the most frequent one.

KEYWORDS:

Ankylosing spondylitis; Argentina; Mortality; Spondylarthritis

PMID:
27377455
DOI:
10.1007/s10067-016-3336-4
[Indexed for MEDLINE]

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