Introduction:

hyperglycemic crises are the most frequent endocrinological emergencies in clinical practice and, along with hypoglycemia, are described as serious acute metabolic complications in diabetic patients.

Objective:

to identify the precipiting causes of acute hyperglycemic crisis in hospitalized patients in the Centro Médico Nacional - Hospital National.

Methodology:

this was an observational, descriptive, cross -sectional study of patients hospitalized at the Centro Médico Nacional - Hospital National, from May 2021 to October 2023. The data were obtained from a review of the clinical records.

Results:

Of the 100 patients evaluated, the most frequent acute hyperglycemic crisis was diabetic ketoacidosis (CAD) 53 %, followed by the hyperglycemic hyperosmolar state (EHH) 25 % and the mixed state 22 %. The most frequent triggers were the abandonment of treatment, disease debut and infections. Global mortality was 12 %.

Conclusion:

the most frequent causes of decompensations were abandoning treatment, novo diabetes and infectious processes.

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