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One in 10 heart attack patients has unrecognized diabetes

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Add diabetes on the checklist

That 10% of patients with acute myocardial infarction (MI) were found to have undiagnosed diabetes is perhaps unsurprising, considering the known association. However, the lack of response to the diagnosis in 70% of MI patients brings to light the potential benefit of adding diabetes diagnostics and initiation of appropriate treatments to the inpatient checklist. Doing so would prompt evidenced-based care that could [affect] both the acute treatment of the primary event (via selection of interventions and medications known to benefit the diabetic patient), as well as important secondary prevention.

Dr. Claudia K. Geyer is the hospital medicine fellowship director at Central Maine Medical Center in Lewiston.


 

FROM THE AHA/QCOR ANNUAL CONFERENCE

Ten percent of patients presenting with an acute myocardial infarction had undiagnosed diabetes at the time of their heart attack, underlining the importance of evaluating such patients for diabetes while they are hospitalized, investigators have reported.

The study found that 287 (10.1%) of the 2,854 patients enrolled in a 24-site U.S. acute MI registry, who were not known to have type 2 diabetes on admission, actually had diabetes, reported Dr. Suzanne V. Arnold, a cardiologist at Saint Luke’s Mid America Heart Institute, Kansas City, Mo. The data were presented at the American Heart Association’s Quality of Care and Outcomes Research conference.

The diabetes diagnosis was based on hemoglobin A1c levels of 6.5% or higher. If no HbA1c result was available, the diagnosis was based on at least two fasting glucose levels of 126 mg/dL or higher, or at least one fasting glucose level of 126 mg/dL or higher plus a glucose level at presentation of at least 200 mg/dL.

Of the 287 patients who were identified as having unrecognized diabetes in the study, almost 70% (198) had not been diagnosed by the physician who treated them during their hospitalization. This lack of a diagnosis was indicated by patients not having received education about diabetes while hospitalized or not being discharged with a diabetes medication.

If a physician checked the HbA1c for a patient with an acute MI as part of routine clinical care, however, the likelihood that the patient would be diagnosed with diabetes was increased 18-fold, a highly statistically significant finding, Dr. Arnold said.

Dr. Arnold had no disclosures.

The registry study is the TRIUMPH (Translational Research Investigating Underlying Disparities in Acute Myocardial Infarction Patients’ Health Status) study and is sponsored by the National Institutes of Health/the National Heart Lung and Blood Institute. Genentech funded this analysis of the TRIUMPH registry data.

emechcatie@frontlinemedcom.com

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