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© 2019 Benvenga et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.

Abstract

Background

To evaluate the prognostic impact of diabetes mellitus (DM) in patients with Infective Endocarditis (IE).

Methods and results

375 patients with diagnosis of IE referred to our Hospital between 1994–2017 were retrospectively included; diabetes was reported in 129 (34.4%). Diabetic patients were older than non-diabetic (66±1 vs. 57±2 years, p<0.001) and showed a higher prevalence of comorbidities such as hypertension (75 vs. 54%, p<0.001), coronary artery disease (30 vs. 12%, p<0.001) and history of heart failure (HF; 24 vs. 13%, p = 0.021). Echocardiography showed a higher incidence of paravalvular complications (82 vs. 64%, p<0.001) and a lower left ventricular ejection fraction (LVEF; 52±11 vs. 55±10%, p = 0.001) in diabetic than in non-diabetic patients. In-hospital mortality was higher in diabetic patients (83 vs. 74%; p = 0.030). At logistic regression, history of HF (OR = 3.1, 95%CI: 1.87–5.29, p<0.001) resulted an independent predictor of in-hospital death.

At long-term follow-up [median 24(7–84) months], the Kaplan-Meier analysis showed a significantly lower survival free from all-cause death in the group with diabetes (Log-rank<0.001). At the propensity score adjusted Cox multivariable analysis, DM (HR = 1.76, 95%CI: 1.18–2.6, p = 0.005), age (HR = 1.03, 95%CI: 1.02–1.05, p<0.001), intravenous drug users (HR = 5.42, 95%CI: 2.55–11.51, p<0.001) and low LVEF (HR = 0.98, 95%CI: 0.96–0.99, p = 0.013) were independently associated to a higher mortality.

Conclusion

In patients with IE, DM is associated to a higher prevalence of anatomic complications and a more impaired LVEF. Diabetic patients show a significantly lower survival both in hospital and during follow-up compared to the non-diabetic ones.

Details

Title
Infective endocarditis and diabetes mellitus: Results from a single-center study from 1994 to 2017
Author
Benvenga, Rossella M; De Rosa, Roberta; Silverio, Angelo; Matturro, Rosanna; Zambrano, Cristina; Masullo, Alfonso; Mastrogiovanni, Generoso; Soriente, Lucia; Ascoli, Roberto; Citro, Rodolfo; Piscione, Federico; Galasso, Gennaro
First page
e0223710
Section
Research Article
Publication year
2019
Publication date
Nov 2019
Publisher
Public Library of Science
e-ISSN
19326203
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2315509569
Copyright
© 2019 Benvenga et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.