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Eur Heart J. 1999 Nov;20(21):1592-9.

Decrease in mortality in patients with a hospital diagnosis of atrial fibrillation in Denmark during the period 1980-1993.

Author information

1
Amtssygehuset, Aarhus University Hospital, Aarhus, Denmark.

Abstract

BACKGROUND:

Atrial fibrillation is associated with increased mortality. We hypothesized that the death rate in atrial fibrillation patients in Denmark has diminished during the period 1980-1993.

METHODS:

In a random sample of half of the Danish population, 30 330 patients were found to have a diagnosis of incident atrial fibrillation in the Danish National Hospital Discharge Register 1980-1993. Information on previous and concomitant cardiovascular and metabolic diseases during the period 1977-1993 was sought in the register. The temporal trend in total and cardiovascular mortality in the cohort of atrial fibrillation patients was analysed.

RESULTS:

A significant decrease in total and cardiovascular mortality was seen, 12-13% for total mortality and 17-18% for cardiovascular mortality. By adjusting for the decreasing cardiovascular mortality rate in the general population, a decrease in the relative risk of total mortality of 8-13% with time was seen for the atrial fibrillation cohort, compared with the population risk, while no reduction in the relative risk of cardiovascular death was seen.

CONCLUSION:

A significant decrease in mortality with calendar period occurred in the cohort of atrial fibrillation patients.

Comment in

PMID:
10529328
DOI:
10.1053/euhj.1999.1713
[Indexed for MEDLINE]

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