Abstract:
BACKGROUND:Several studies have suggested that the occurrence of severe hypoglycemia during sleep may be more dangerous for cardiac arrhythmia than that in the day-time. METHODS:We performed a retrospective study between January 2006 and March 2012 to assess electrocardiograms during severe hypoglycemia in patients with or without diabetes. RESULTS:A total of 59,602 patients who visited the emergency room by ambulance were screened, and 287 patients with severe hypoglycemia were enrolled. The median blood glucose levels in patients with (DM, n = 192) and without diabetes (non-DM, n = 95) were 30 and 45 mg/dL, respectively. During severe hypoglycemia, the incidence of abnormal QT prolongation was significantly higher in the early morning (4-10 a.m.) than at other times (DM group, 74.3% versus 54.1%, P = 0.02; non-DM group, 78.3% versus 50.0%, P = 0.01). Multivariate logistic regression analysis identified the occurrence of severe hypoglycemia in the early morning as a strong factor for abnormal QT prolongation (DM group, odds ratio [OR] 2.80, 95% confidence interval [CI] 1.15-6.80, P = 0.02; non-DM group, OR 4.53, 95% CI 1.30-15.74, P = 0.01). CONCLUSIONS:The incidence of abnormal QT prolongation during severe hypoglycemia was significantly higher in the early morning than at all other times, independent of the cause of severe hypoglycemia.
journal_name
Ann Medjournal_title
Annals of medicineauthors
Tsujimoto T,Yamamoto-Honda R,Kajio H,Kishimoto M,Noto H,Hachiya R,Kimura A,Kakei M,Noda Mdoi
10.3109/07853890.2015.1017528subject
Has Abstractpub_date
2015-05-01 00:00:00pages
238-44issue
3eissn
0785-3890issn
1365-2060journal_volume
47pub_type
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