An Elevated Glycemic Gap is Associated with Adverse Outcomes in Diabetic Patients with Acute Myocardial Infarction

Wen I. Liao, Chin Sheng Lin, Chien Hsing Lee, Ya Chieh Wu, Wei Chou Chang, Chin Wang Hsu, Jen Chun Wang, Shih Hung Tsai

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Abstract

Acute hyperglycemia is a frequent finding in patients presenting to the emergency department (ED) with acute myocardial infarction (AMI). The prognostic role of hyperglycemia in diabetic patients with AMI remains controversial. We retrospectively reviewed patients' medical records to obtain demographic data, clinical presentation, major adverse cardiac events (MACEs), several clinical scores and laboratory data, including the plasma glucose level at initial presentation and HbA1c levels. The glycemic gap, which represents changes in serum glucose levels during the index event, was calculated from the glucose level upon ED admission minus the HbA1c-derived average glucose (ADAG). We enrolled 331 patients after the review of medical records. An elevated glycemic gap between admission serum glucose levels and ADAG were associated with an increased risk of mortality in patients. The glycemic gap showed superior discriminative power regarding the development of MACEs when compared with the admission glucose level. The calculation of the glycemic gap may increase the discriminative powers of established clinical scoring systems in diabetic patients presenting to the ED with AMI. In conclusion, the glycemic gap could be used as an adjunct parameter to assess the severity and prognosis of diabetic patients presenting with AMI. However, the usefulness of the glycemic gap should be further explored in prospective longitudinal studies.

Original languageEnglish
Article number27770
JournalScientific Reports
Volume6
DOIs
Publication statusPublished - Jun 13 2016

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Myocardial Infarction
Glucose
Hospital Emergency Service
Hyperglycemia
Medical Records
Serum
Longitudinal Studies
Demography
Prospective Studies
Mortality

ASJC Scopus subject areas

  • General

Cite this

An Elevated Glycemic Gap is Associated with Adverse Outcomes in Diabetic Patients with Acute Myocardial Infarction. / Liao, Wen I.; Lin, Chin Sheng; Lee, Chien Hsing; Wu, Ya Chieh; Chang, Wei Chou; Hsu, Chin Wang; Wang, Jen Chun; Tsai, Shih Hung.

In: Scientific Reports, Vol. 6, 27770, 13.06.2016.

Research output: Contribution to journalArticle

Liao, Wen I. ; Lin, Chin Sheng ; Lee, Chien Hsing ; Wu, Ya Chieh ; Chang, Wei Chou ; Hsu, Chin Wang ; Wang, Jen Chun ; Tsai, Shih Hung. / An Elevated Glycemic Gap is Associated with Adverse Outcomes in Diabetic Patients with Acute Myocardial Infarction. In: Scientific Reports. 2016 ; Vol. 6.
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