Relationship between glycated hemoglobin level and duration of hypoglycemia in type 2 diabetes patients treated with sulfonylureas: A multicenter cross‐sectional study
2019
AIMS/INTRODUCTION: Sulfonylurea-related hypoglycemia increases the risk of cardiovascular sequela, such as cardiac arrhythmia. This study aimed to clarify the relationship between the level of glycated hemoglobin (HbA1c ) and the duration of hypoglycemia in type 2 diabetes patients treated with sulfonylureas. MATERIALS AND METHODS: Glucose levels in the enrolled patients (n = 300) were investigated with a professional continuous glucose monitoring device in the outpatient setting at six diabetes centers in Japan. RESULTS: A total of 269 participants completed the study. The duration of hypoglycemia with glucose values of /=8.0%, and that of hypoglycemia with glucose values of /=8.0%. Patients with an HbA1c level of 10% of the time in daily life (6.8 +/- 5.6 min/h). The duration of hypoglycemia with glucose values of <70 mg/dL was longer at night than during the daytime, and the nadir of glucose values occurred between 03.00 and 05.00 hours irrespective of HbA1c level. The duration of hypoglycemia was associated with the duration of diabetes and sulfonylurea dose. CONCLUSIONS: The duration of hypoglycemia was inversely correlated with HbA1c level and was longer during the night-time than daytime in type 2 diabetes patients treated with sulfonylureas.
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