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Article ; Online: Real-time handling of missing predictors.

Boersma, Eric / Kardys, Isabella

European heart journal. Digital health

2021 Volume 2, Issue 1, Page(s) 152–153

Language	English
Publishing date	2021-04-01
Publishing country	England
Document type	Editorial
ISSN	2634-3916
ISSN (online)	2634-3916
DOI	10.1093/ehjdh/ztab020
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Article ; Online: Aortic Valve Calcium in Relation to Subclinical Cardiac Dysfunction and Risk of Heart Failure.

Zhu, Fang / Kaiser, Yannick / Boersma, Eric / Bos, Daniel / Kavousi, Maryam

Circulation. Cardiovascular imaging

2023 Volume 16, Issue 3, Page(s) e014323

Abstract: Background: The link between (mild) aortic valve calcium (AVC) with subclinical cardiac dysfunction and with risk of heart failure (HF) remains unclear. This research aims to determine the association of computed tomography-assessed AVC with ... ...

Abstract	Background: The link between (mild) aortic valve calcium (AVC) with subclinical cardiac dysfunction and with risk of heart failure (HF) remains unclear. This research aims to determine the association of computed tomography-assessed AVC with echocardiographic measurements of cardiac dysfunction, and with HF in the general population. Methods: We included 2348 participants of the Rotterdam Study cohort (mean age 68.5 years, 52% women), who had AVC measurement between 2003 and 2006, and without history of HF at baseline. Linear regression models were used to explore relationship between AVC and echocardiographic measures at baseline. Participants were followed until December 2016. Fine and Gray subdistribution hazard models were used to assess the association of AVC with incident HF, accounting for death as a competing risk. Results: The presence of AVC or greater AVC were associated with larger mean left ventricular mass and larger mean left atrial size. In particular, AVC ≥800 showed a strong association (body surface area indexed left ventricular mass, β coefficient: 22.01; left atrium diameter, β coefficient: 0.17). During a median of 9.8 years follow-up, 182 incident HF cases were identified. After accounting for death events and adjusting for cardiovascular risk factors, one-unit larger log (AVC+1) was associated with a 10% increase in the subdistribution hazard of HF (subdistribution hazard ratio, 1.10 [95% CI, 1.03-1.18]), but the presence of AVC was not significantly associated with HF risk in fully adjusted models. Compared with the AVC=0, AVC between 300 and 799 (subdistribution hazard ratio, 2.36 [95% CI, 1.32-4.19]) and AVC ≥800 (subdistribution hazard ratio, 2.54 [95% CI, 1.31-4.90]) were associated with a high risk of HF. Conclusions: Presence and high levels of AVC were associated with markers of left ventricular structure, independent of traditional cardiovascular risk factors. Larger computed tomography-assessed AVC is an indicative of increased risk for the development of HF.
MeSH term(s)	Humans ; Female ; Aged ; Male ; Aortic Valve/diagnostic imaging ; Calcium ; Calcinosis/epidemiology ; Heart Failure/diagnostic imaging ; Heart Failure/epidemiology ; Aortic Valve Stenosis/diagnostic imaging ; Aortic Valve Stenosis/epidemiology ; Risk Factors
Chemical Substances	Calcium (SY7Q814VUP)
Language	English
Publishing date	2023-03-07
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2435045-X
ISSN	1942-0080 ; 1941-9651
ISSN (online)	1942-0080
ISSN	1941-9651
DOI	10.1161/CIRCIMAGING.122.014323
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Zs.A 6743: Show issues

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Article ; Online: Female Reproductive Factors and Risk of New-Onset Heart Failure: Findings From UK Biobank.

Zhu, Fang / Qi, Hongchao / Bos, Maxime / Boersma, Eric / Kavousi, Maryam

JACC. Heart failure

2023 Volume 11, Issue 9, Page(s) 1203–1212

Abstract: Background: A comprehensive evaluation of woman-specific risk factors in relation to incident heart failure (HF) is limited.: Objectives: This study sought to investigate the association of multiple female reproductive factors with the risk of HF.: ...

Abstract	Background: A comprehensive evaluation of woman-specific risk factors in relation to incident heart failure (HF) is limited. Objectives: This study sought to investigate the association of multiple female reproductive factors with the risk of HF. Methods: Between 2007 and 2010, 229,026 women (mean age: 56.5 years) without prevalent HF from the UK Biobank cohort were included and followed until December 2020. The relation between (self-reported) reproductive factors and HF was analyzed using Cox proportional hazards models with adjustment for potential confounding. Results: Menarche at age <12 years, compared to age 12-13 years, carried a 9% larger risk of HF (HR: 1.09 [95% CI: 1.01-1.18]). Younger age at menopause was associated with a higher risk of HF (HR Conclusions: The findings emphasize the importance of female reproductive history in the assessment of HF risk.
MeSH term(s)	Child ; Humans ; Female ; Middle Aged ; Adolescent ; Young Adult ; Adult ; Heart Failure/epidemiology ; Prospective Studies ; Reproductive History ; Biological Specimen Banks ; Risk Factors ; United Kingdom/epidemiology
Language	English
Publishing date	2023-04-19
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2705621-1
ISSN	2213-1787 ; 2213-1779
ISSN (online)	2213-1787
ISSN	2213-1779
DOI	10.1016/j.jchf.2023.02.019
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Article ; Online: Tenets of Good Practice in Regression Analysis. A Brief Tutorial.

Pisică, Dana / Dammers, Ruben / Boersma, Eric / Volovici, Victor

World neurosurgery

2022 Volume 161, Page(s) 230–239.e6

Abstract: Background: Regression analysis quantifies the relationships between one or more independent variables and a dependent variable and is one of the most frequently used types of analysis in medical research. The aim of this article is to provide a brief ... ...

Abstract	Background: Regression analysis quantifies the relationships between one or more independent variables and a dependent variable and is one of the most frequently used types of analysis in medical research. The aim of this article is to provide a brief theoretical and practical tutorial for neurosurgeons wishing to conduct or interpret regression analyses. Methods and results: Data preparation, univariable and multivariable analysis, choice of model, model requirements and assumptions are discussed, as essential prerequisites to any regression analysis. Four main types of regression techniques are presented: linear, logistic, multinomial logistic, and proportional odds logistic. To illustrate the applications of regression to real-world data and exemplify the concepts introduced, we used a previously reported data set of patients with intracranial aneurysms treated by microsurgical clip reconstruction at the Department of Neurosurgery of Erasmus MC University Medical Center Rotterdam, between January 2000 and January 2019. Conclusions: Regression analysis is a powerful and versatile instrument in data analysis. This material is intended as a starter for those wishing to critically interpret or perform regression analysis and we recommend multidisciplinary collaborations with trained methodologists, statisticians, or epidemiologists.
MeSH term(s)	Biomedical Research ; Humans ; Regression Analysis ; Research Design
Language	English
Publishing date	2022-05-03
Publishing country	United States
Document type	Journal Article
ZDB-ID	2534351-8
ISSN	1878-8769 ; 1878-8750
ISSN (online)	1878-8769
ISSN	1878-8750
DOI	10.1016/j.wneu.2022.02.112
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Zs.A 1159: Show issues

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Article ; Online: The legacy of HOPE-3.

Boersma, Eric / Kardys, Isabella

European heart journal

2020 Volume 42, Issue 31, Page(s) 3008–3010

Language	English
Publishing date	2020-10-14
Publishing country	England
Document type	Editorial ; Comment
ZDB-ID	603098-1
ISSN	1522-9645 ; 0195-668X
ISSN (online)	1522-9645
ISSN	0195-668X
DOI	10.1093/eurheartj/ehab208
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Zs.A 1563: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular Jg. 1995 - 2021: Lesesall (1.OG) ab Jg. 2022: Lesesaal (EG)
Zs.MO 640: Show issues

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Article ; Online: Development and Internal Validation of a Practical Model to Identify Observe Patients of the European Society of Cardiology 0/1-h Algorithm at Low Risk of a Coronary Diagnosis.

Arslan, Murat / Boersma, Eric / Dedic, Admir / Dubois, Eric A

Cardiology

2022 Volume 147, Issue 3, Page(s) 251–260

Abstract: Background: Patients with suspected non-ST-elevation acute coronary syndrome (NSTE-ACS) assigned to the "observe" zone of the European Society of Cardiology (ESC) 0/1-h algorithm form a heterogeneous group known to have an unfavourable prognosis. We aim ...

Abstract	Background: Patients with suspected non-ST-elevation acute coronary syndrome (NSTE-ACS) assigned to the "observe" zone of the European Society of Cardiology (ESC) 0/1-h algorithm form a heterogeneous group known to have an unfavourable prognosis. We aim to elucidate the clinical characteristics and management of these patients and generate a model that is predictive of a coronary diagnosis at index visit to the emergency department (ED). Methods: A retrospective observational cohort study, including adult patients presenting to the ED with suspected NSTE-ACS assigned to the "observe" zone of the ESC 0/1-h algorithm. Multivariable logistic regression analysis was performed for the prediction of a coronary diagnosis. Internal validation was performed using bootstrap resampling. Results: A total of 750 patients were included; mean age 66 ± 13 years, 35% women, 50% with prior history of coronary artery disease (CAD). In 372 (50%) patients a diagnosis was established within 30 days of index presentation, of whom 169 (45%) patients had a coronary-related event. Multivariable logistic regression analysis generated a 12-point risk score incorporating 5 variables for the prediction of such event, including type of angina, chest pain occurring during inspiration, prior history of CAD, ST-segment deviation on electrocardiogram, and estimated glomerular filtration rate <60. The final model had an optimism-corrected c-statistic of 0.78 (95% confidence interval [CI]: 0.74-0.82). A score <6 ruled out a coronary event in 276 (37%) patients, with a sensitivity and negative predictive value of 90% (95% CI: 84-94) and 94% (91-96), respectively. Conclusion: A score <6 identifies patients at low risk of a coronary diagnosis and can guide clinical decision-making in choosing the appropriate diagnostic test.
MeSH term(s)	Acute Coronary Syndrome/diagnosis ; Adult ; Aged ; Algorithms ; Cardiology ; Coronary Artery Disease/diagnosis ; Female ; Humans ; Male ; Middle Aged ; Retrospective Studies ; Risk Assessment
Language	English
Publishing date	2022-02-23
Publishing country	Switzerland
Document type	Journal Article ; Observational Study
ZDB-ID	80092-2
ISSN	1421-9751 ; 0008-6312
ISSN (online)	1421-9751
ISSN	0008-6312
DOI	10.1159/000523718
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Ui IV Zs.31: Show issues

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Article: Serum uric acid is related to liver and kidney disease and 12-year mortality risk after myocardial infarction.

Heerkens, Luc / van Westing, Anniek C / Voortman, Trudy / Kardys, Isabella / Boersma, Eric / Geleijnse, Johanna M

Frontiers in endocrinology

2023 Volume 14, Page(s) 1240099

Abstract: Objective: To study the associations of non-alcoholic fatty liver disease (NAFLD), chronic kidney disease (CKD), and serum uric acid (SUA) in patients with post-myocardial infarction (MI) patients, and the relationship of SUA with 12-year mortality risk. ...

Abstract	Objective: To study the associations of non-alcoholic fatty liver disease (NAFLD), chronic kidney disease (CKD), and serum uric acid (SUA) in patients with post-myocardial infarction (MI) patients, and the relationship of SUA with 12-year mortality risk. Methods: We included 3,396 patients (60-80 years old, 78% men) of the Alpha Omega Cohort. Multivariable prevalence ratios (PRs) were obtained for the association of NAFLD [fatty liver index (FLI), ≥77 (women) and ≥79 (men)] with CKD [estimated glomerular filtration rate (eGFR), <60 mL/min per 1.73 m Results: Median baseline FLI was 67 (men, 68; women, 64), and mean ± SD eGFR was 81 ± 20 mL/min per 1.73 m Conclusions: NAFLD and CKD were strongly associated, which was reflected by higher SUA concentrations. SUA was a strong predictor of 12-year mortality risk after MI.
MeSH term(s)	Male ; Humans ; Female ; Middle Aged ; Aged ; Aged, 80 and over ; Uric Acid ; Non-alcoholic Fatty Liver Disease/complications ; Non-alcoholic Fatty Liver Disease/epidemiology ; Myocardial Infarction/complications ; Renal Insufficiency, Chronic
Chemical Substances	Uric Acid (268B43MJ25)
Language	English
Publishing date	2023-10-11
Publishing country	Switzerland
Document type	Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
ZDB-ID	2592084-4
ISSN	1664-2392
ISSN	1664-2392
DOI	10.3389/fendo.2023.1240099
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Article ; Online: News update on withdrawal of Kyoto Heart Study research paper.

Boersma, Eric

European heart journal

2013 Volume 34, Issue 19, Page(s) 1387

MeSH term(s)	Angiotensin-Converting Enzyme Inhibitors/therapeutic use ; Antihypertensive Agents/therapeutic use ; Female ; Humans ; Hypertension/drug therapy ; Male ; Renin-Angiotensin System/drug effects
Chemical Substances	Angiotensin-Converting Enzyme Inhibitors ; Antihypertensive Agents
Language	English
Publishing date	2013-05
Publishing country	England
Document type	Comment ; Journal Article
ZDB-ID	603098-1
ISSN	1522-9645 ; 0195-668X
ISSN (online)	1522-9645
ISSN	0195-668X
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Zs.A 1563: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular Jg. 1995 - 2021: Lesesall (1.OG) ab Jg. 2022: Lesesaal (EG)
Zs.MO 640: Show issues

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Article ; Online: Complete revascularisation in patients with acute coronary syndrome - Authors' reply.

Diletti, Roberto / den Dekker, Wijnand K / Elscot, Jacob J / Boersma, Eric / Van Mieghem, Nicolas M

Lancet (London, England)

2023 Volume 402, Issue 10402, Page(s) 612

MeSH term(s)	Humans ; Acute Coronary Syndrome/surgery ; Patients
Language	English
Publishing date	2023-08-18
Publishing country	England
Document type	Letter ; Comment
ZDB-ID	3306-6
ISSN	1474-547X ; 0023-7507 ; 0140-6736
ISSN (online)	1474-547X
ISSN	0023-7507 ; 0140-6736
DOI	10.1016/S0140-6736(23)01344-2
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Ua VI Zs.5: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular ab Jg. 2022: Lesesaal (EG)
Zs.MG 94: Show issues

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Article ; Online: Metabolic disorders mediate the relation of miscarriage with cardiovascular diseases.

Zhu, Fang / Noordermeer, Daniëlle / Aribas, Elif / Bos, Maxime / Boersma, Eric / Kavousi, Maryam

European journal of preventive cardiology

2023 Volume 31, Issue 3, Page(s) 330–336

Abstract: Aims: The extent to which the contribution of pregnancy loss to cardiovascular diseases (CVDs) can be explained by metabolic disorders is poorly elucidated but holds insights for reducing long-term cardiovascular risk. The aim of this study is to ... ...

Abstract	Aims: The extent to which the contribution of pregnancy loss to cardiovascular diseases (CVDs) can be explained by metabolic disorders is poorly elucidated but holds insights for reducing long-term cardiovascular risk. The aim of this study is to investigate the mediating effects of hypertension, diabetes mellitus (DM), and lipoprotein metabolism disorders on the association of miscarriage and stillbirth with coronary heart disease (CHD), stroke, heart failure, atrial fibrillation, and composite outcomes. Methods and results: A total of 163 283 ever-gravid women (age 55.3 ± 7.9 years) from the UK Biobank cohort without established metabolic disorders and CVDs were included and followed from 2007 to 2010 baseline until December 2020. Causal mediation analyses were used to estimate the proportion mediated. Hypertension mediated 11.1% (95% confidence interval, 3.7-18.5%) of the association between a history of miscarriage and incident CHD. Approximately, 9.5% (4.1-14.8%) of the effect of recurrent miscarriages on incident CHD was via hypertension, 8.4% (2.5-14.3%) of the effect was via lipoprotein metabolism disorders, 1.7% (0.5-2.9%) of the effect was via DM, and 10.7% (0.2-21.1%) of the effect of recurrent miscarriages on incident stroke was via hypertension. Hypertension mediated the largest proportion of effect for the atherosclerotic cardiovascular event (15.5% for a history of miscarriage and 9.4% for recurrent miscarriages), followed by lipoprotein metabolism disorders and DM. Conclusion: Hypertension, DM, and lipoprotein metabolism disorders mediated the association between miscarriage and various cardiovascular outcomes in later life. In particular, hypertension mediated a large proportion of the relationship between miscarriage and atherosclerotic CVD.
MeSH term(s)	Pregnancy ; Female ; Humans ; Middle Aged ; Cardiovascular Diseases/diagnosis ; Cardiovascular Diseases/epidemiology ; Cardiovascular Diseases/complications ; Risk Factors ; Abortion, Habitual ; Hypertension/complications ; Stroke ; Coronary Disease/diagnosis ; Coronary Disease/epidemiology ; Coronary Disease/complications ; Metabolic Diseases ; Lipoproteins
Chemical Substances	Lipoproteins
Language	English
Publishing date	2023-11-07
Publishing country	England
Document type	Journal Article
ZDB-ID	2626011-6
ISSN	2047-4881 ; 2047-4873
ISSN (online)	2047-4881
ISSN	2047-4873
DOI	10.1093/eurjpc/zwad347
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Zs.A 4686: Show issues

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