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School of Medicine




Background: Acute hyperglycemia is associated with worse outcomes in diabetic patients admitted with ST‐eleva‐ tion myocardial infarction (STEMI). However, the impact of full‐scale decompensated diabetes on STEMI outcomes has not been investigated.

Methods: We utilized the national inpatient sample (2003–2014) to identify adult diabetic patients admitted with STEMI. We defined decompensated diabetes as the presence of diabetic ketoacidosis (DKA) or hyperglycemic hyper‐ osmolar state (HHS). We compared in‐hospital morbidity and mortality and cost between patients with and without diabetes decompensation before and after propensity‐score matching.

Results: A total of 73,722 diabetic patients admitted with STEMI were included in the study. Of those, 1131 (1.5%) suf‐ fered DKA or HSS during the hospitalization. After propensity‐score matching, DKA/HHS remained associated with a significant 32% increase in in‐hospital mortality (25.6% vs. 19.4%, p = 0.001). The DKA/HHS group also had higher inci‐ dences of acute kidney injury (39.4% vs. 18.9%, p < 0.001), sepsis (7.3% vs. 4.9%, p = 0.022), blood transfusion (11.3%

vs. 8.2%) and a non‐significant trend towards higher incidence of stroke (3.8% vs. 2.4%, p = 0.087). Also, DKA/HHS diagnosis was associated with lower rates of referral to coronary angiography (51.5% vs. 55.5%, p = 0.023), coronary stenting (26.1% vs. 34.8%, p < 0.001), or bypass grafting (6.2% vs. 8.7%, p = 0.033). Referral for invasive angiography was associated with lower odds of death during the hospitalization (adjusted OR 0.66, 95%CI 0.44‐0.98, p = 0.039).

Conclusions: Decompensated diabetes complicates ~ 1.5% of STEMI admissions in diabetic patients. It is associated with lower rates of referral for angiography and revascularization, and a negative differential impact on in‐hospital morbidity and mortality and cost.

Source Citation

Issa, M., Alqahtani, F., Berzingi, C., Al-Hajji, M., Busu, T., & Alkhouli, M. (2018). Impact of acute diabetes decompensation on outcomes of diabetic patients admitted with ST-elevation myocardial infarction. Diabetology & Metabolic Syndrome, 10(1).


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