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The occurrence of diabetic ketoacidosis in adults
1Department of Internal Medicine, Taichung Veterans General Hospital, Taiwan, ROC.
Objective:
To analyze the occurrence of DKA in Chinese adults.
Methods And Patients:
We retrospectively reviewed the medical records of adults presenting with DKA in a tertiary referral center from January 1992 to December 1997. We classified these patients into 3 groups: type 1, type 2 and new-onset diabetes. Clinical features and follow-up treatment were analyzed.
Results:
One hundred and twenty patients with 141 episodes of DKA were included; 77 episodes (54.6%) were classified as being caused by type 2, 32 (22.7%) by type 1 and 32 (22.7%) by new-onset DM. The average age of type 2 patients was significantly higher. Of the 25 new-onset patients with follow-up for at least 12 months, 11 were not taking insulin. Of these 11 patients, 6 had a family history of DM and 5 had BMI greater than 26.4 kg/m2. The fasting plasma C-peptide values at various times of follow-up varied from 2.3 to 9.5 ng/ml in 6 of the 11 DKA-onset patients.
Conclusion:
In type 2 patients, the occurrence of DKA is usually associated with old age and another severe illness. "DKA-onset type 2 DM" reported in African-Americans and in Japanese is also observed in Chinese.