Aim:

To characterize the evolution of Chronic Renal Failure compatible with Chronic Kidney Disease of nontraditional causes from 1990 to 2013 in Costa Rica, according to primary diagnosis of death and diagnosis at hospital discharge found in open source data bases.

Methods:

A descriptive longitudinal study based on information from national data bases of deaths and hospital discharges with a primary diagnosis of chronic renal failure, unspecified renal failure, hypertensive renal disease, hypertensive cardio-renal disease from 1990 to 2013.

Results:

There were 8382 deaths in Costa Rica between 1990 and 2013 in the studied categories. Crude death and standardized mortality rates did not show a significant increase: 8.93/100 000 inhabitants to 11.48/100 000 inhabitants. The specific rates by age and sex showed an increase after 50 years old. Guanacaste, showed high cumulative mortality rates compared with national and the rates of other provinces; as well as significant crude and standardized mortality rates in certain periods (20.3/100 000 inhabitants to 38.23/100 000 inhabitants between 1990 and 2011). Specific rates for age and sex increased after 30 years of age. Hospital discharges showed similar trends for national and Guanacaste.

Conclusions:

Primary diagnoses of deaths and hospital discharges in the categories of the study could be compatible with Chronic Kidney Disease of non-traditional causes. Descriptive epidemiology has allowed for identification of risk geographical areas and some sociodemographic characteristics. It is urgent to develop a specific surveillance system.

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