The SA Journal Diabetes & Vascular Disease Vol 13 No 1 (July 2016)

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12 VOLUME 13 NUMBER 1 • JULY 2016
RESEARCH ARTICLE SA JOURNAL OF DIABETES & VASCULAR DISEASE
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At least 10% of people who have a
myocardial infarction (MI) may also
have undiagnosed diabetes. Yet many
doctors fail to look for diabetes in these
patients, a recent study has found.
Dr Suzanne Arnold, assistant professor
at Saint Luke’s Mid-America Heart Institute
and the University of Missouri in Kansas
City, and her team studied data from
2 854 patients who experienced an MI
and had never been diagnosed with type
2 diabetes. The study tested the patients’
HbA1c levels.
It revealed that doctors often failed to
recognise and begin treating diabetes in
patients who have experienced MIs with
no prior history of diabetes, even when the
patient tested positive for diabetes. The
researchers found that 287 or 10.1% of
the patients who experienced MIs tested
positive for diabetes. Out of the 287
Diabetes is often overlooked after a myocardial infarction
patients who tested positive for diabetes,
less than one-third received education or
medication when discharged from hospital.
According to the results, doctors failed
to recognise diabetes in 198 or 69% of
the previously undiagnosed patients. The
researchers noted that when a patient’s
HbA1c test results were checked while they
were being treated for their MI, there was
a 17-fold greater chance that the diabetes
would be diagnosed.
In a press release, Dr Arnold stated,
‘Diagnosing diabetes in patients who have
had a heart attack is important because
of the role diabetes plays in heart disease.
By recognising and treating diabetes early,
we may be able to prevent additional
cardiovascular complications through diet,
weight loss and lifestyle changes, in addition
to taking medications. Another important
reason to diagnose diabetes at the time
of heart attack is that it can guide the
treatments for the patient’s coronary artery
disease.’
According to Dr Arnold and her team,
two in three patients with diabetes die
from heart-related conditions. Patients
with diabetes experience a significantly
higher risk for MI. The authors concluded
that people who have an MI should ask for
a diabetes test if they present with other
risk factors such as being overweight,
having high blood pressure or a family
history of diabetes.
This study was presented on 3 June at
the American Heart Association’s Quality
of Care and Outcomes Research Scientific
Sessions 2014.
news/16453-diabetes-often-times-overlooked-after-
heart-attack.