In the currently changing scenario, in which our patients are progressively older
and more likely burdened by concomitant chronic long-term conditions [
[1]
], diabetes mellitus (DM) play a prominent role in determining the health state of
patients worldwide [
World Health Organization Integrated Health Services. Multimorbidity: technical series on safer primary care.; 2016. https://www.who.int/publications/i/item/9789241511650.
[2]
]. In particular a strict relationship exists between DM and atrial fibrillation (AF),
which is one of the most common cardiovascular conditions [
[3]
]. Indeed, DM is now recognized as one of the most important risk factors leading to
the development of AF, with a number of mechanisms involved in determining this relationship
[
[4]
,
[5]
]. Indeed, through the relationship between glycaemic fluctuations, oxidative stress
and inflammation, the presence of DM promotes incident AF, also with a “dose-response”
relationship between the severity and duration of disease [
[5]
]. Furthermore, data are consistent in reporting that the management of DM is effective
in reducing the risk of AF as much as the disease is controlled [
[4]
]. Furthermore, beyond being part of the CHA2DS2-VASc score for the evaluation of the baseline thromboembolic risk [
[3]
], the presence of DM increases overall the risk of all the AF-related adverse outcomes
[
[6]
]. Indeed, in the last years, several studies (Table 1) have shown a largely ranging prevalence of DM among AF cohort (between ∼ 20% and
30%), and substantially agreed on the independent increase of risk for all the major
AF-associated clinical outcomes (all-cause death, cardiovascular death, major adverse
cardiovascular events) in DM patients [
7
,
8
,
9
,
10
,
11
].
- Krittayaphong R.
- Aroonsiriwattana S.
- Ngamjanyaporn P.
- Patmuk T.
- Kaewkumdee P.
Outcomes of patients with atrial fibrillation with and without diabetes: a propensity
score matching of the COOL-AF registry.
Int J Clin Pract. 2021; 75https://doi.org/10.1111/ijcp.14671
Table 1Relationship between diabetes mellitus and outcomes in atrial fibrillation patients.
Study | Year | Geographic Location | N | DM Patients N (%) |
Results |
---|---|---|---|---|---|
ORBIT-AF
[7]
|
2017 | US | 9749 | 2874 (29.5) | DM increases the risk of all the outcomes examined, as all-cause death (aHR 1.63, 95% CI 1.04–2.56 in patients <70 years and aHR 1.25, 95% CI 1.09–1.44 in patients ≥70 years) and CV death (aHR 2.20, 95% CI 1.22–3.98 in patients <70 years and aHR 1.24, 95% CI 1.02–1.51 in patients ≥70 years) |
PREFER-AF
[8]
|
2017 | Europe | 5717 | 1288 (22.5) | Insulin-requiring DM increases the risk of IS/SE both compared to non-insulin-requiring DM and no-diabetes |
EORP-AF Pilot
[9]
|
2018 | Europe | 3101 | 638 (20.6) | DM independently increases the risk of all-cause death in full multivariate analysis (aHR 1.86, 95% CI 1.31–2.62) |
FANTASIIA
[10]
|
2020 | Spain | 1956 | 574 (29.3) | DM increases risk of MACEs (aHR 2.03, 95% CI 1.47–2.80), CV death (aHR 2.40, 95% CI 1.62–3.56), all-cause death (aHR 1.58, 95% CI 1.20–2.07) |
COOL-AF
[11]
Outcomes of patients with atrial fibrillation with and without diabetes: a propensity
score matching of the COOL-AF registry.
Int J Clin Pract. 2021; 75https://doi.org/10.1111/ijcp.14671
|
2021 | Thailand | 3402 | 923 (27.1) | Presence of DM Increases Risk of Outcomes in PM Analysis: IS/TIA aHR 1.67, 95% CI 1.02–2.73; MB aHR 1.65, 95% CI 1.13–2.40; HF aHR 1.87, 95% CI 1.34–2.59 |
Legend: aHR= adjusted Hazard Ratio; CI= Confidence Interval; CV= Cardiovascular; DM= Diabetes
Mellitus; HF= Heart Failure; IS= Ischemic Stroke; MACE= Major Adverse Cardiovascular
Events; MB= Major Bleeding; PM= Propensity Matched; SE= Systemic Embolism; TIA= Transient
Ischemic Attack.
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Article info
Publication history
Published online: June 27, 2022
Accepted:
June 24,
2022
Received:
June 18,
2022
Identification
Copyright
© 2022 European Federation of Internal Medicine. Published by Elsevier B.V. All rights reserved.