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Citation Information

Type Journal Article - SAGE Open Medicine
Title Undiagnosed and diagnosed diabetes mellitus among hospitalised acute heart failure patients in Botswana
Author(s)
Volume 5
Publication (Day/Month/Year) 2017
URL http://journals.sagepub.com/doi/full/10.1177/2050312117731473
Abstract
Objective:
The objective of this study was to determine the burden of diagnosed and undiagnosed type 2 diabetes mellitus among patients hospitalised with acute heart failure in Botswana.

Methods:
The study enrolled 193 consecutive patients admitted with acute heart failure to the medical wards at Princess Marina Hospital in Gaborone. Patients were classified as previously known diabetics, undiagnosed diabetics (glycated haemoglobin ≥ 6.5%) or as non-diabetics (glycated haemoglobin < 6.5%). Data on other comorbid conditions such as hypertension, atrial fibrillation, ischaemic heart disease, stroke, and renal failure were also collected.

Results:
The mean (SD) age of the participants was 54.2 (17.1) years and 53.9% were men. The percentage of known and undiagnosed diabetes mellitus was 15.5% and 12.4%, respectively. Diabetic patients were significantly more likely to have hypertension (77.8% vs 46.0%, p < 0.001), ischaemic heart disease (20.4% vs 5.0%, p < 0.001), chronic kidney disease (51.3% vs 23.0%, p  < 0.001), and stroke (20.4% vs 5.8%, p  < 0.01). In addition, diabetics were older than non-diabetics (61.0 years vs 51.6 years, p  < 0.001).

Conclusion:
About 27.9% of patients admitted with acute heart failure in Botswana had diabetes, and almost half of them presented with undiagnosed diabetes. These findings indicate that all hospitalised patients should be screened for diabetes.

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