Publications by authors named "Schalij M"

Article Synopsis
  • * Out of 242 patients studied, only 29% showed "substantial benefit" from HeartLogic™, meaning the majority didn't see significant advantages from the monitoring system.
  • * Key indicators for those who benefited included advanced HF symptoms, elevated NT-ProBNP levels, and other severe health markers, showing that sicker patients are more likely to gain from this type of remote monitoring.
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Background: Cardiovascular disease (CVD) imposes a major healthcare burden on young descendants of South Asian migrants living in the western world. In comparison to the native population, the prevalence is significantly higher and the prevalence of CVD risk factors is increasing rapidly. The cardiovascular risk profile and 10-year risk scores of South Asian descendants were evaluated in two cohorts with a 10-year time difference.

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Article Synopsis
  • The study investigates the use of the HeartLogic algorithm for monitoring fluid retention in patients with left ventricular assist devices (LVAD), aiming to improve early detection and reduce hospitalizations due to congestion.
  • Data was collected from 7 LVAD patients, revealing that all had at least one alert for impending congestion, with a total of 33 alerts recorded during the follow-up period.
  • Results indicate that the HeartLogic-driven care approach is feasible, as it successfully identified most cases of potential fluid retention, though further validation is needed.
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Background: Thoracic radiotherapy is one of the corner stones of HL treatment, but it is associated with increased risk of cardiovascular events. As HL is often diagnosed at a young age, long-term follow-up including screening for coronary artery disease (CAD) is recommended.

Objectives: This study aims to evaluate the presence of coronary artery calcium score (CACS) in relation to cardiovascular events in HL patients treated with thoracic radiotherapy compared to a non-cancer control group.

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Background: Overcrowding of hospitals and emergency departments (EDs) is a growing problem. However, not all ED consultations are necessary. For example, 80% of patients in the ED with chest pain do not have an acute coronary syndrome (ACS).

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Objective: The number of patients with heart failure (HF) and corresponding burden of the healthcare system will increase significantly. The Dutch integrated model, 'Transmural care of HF Patients' was based on the European Society of Cardiology (ESC) guidelines and initiated to manage the increasing prevalence of HF patients in primary and secondary care and stimulate integrated care. It is unknown how many HF patients are eligible for back-referral to general practitioners (GPs), which is important information for the management of chronic HF care.

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Background: To date, claims data have not been used to study outcome differences between low and high socioeconomic status (SES) patients surviving ST-elevation myocardial infarction (STEMI) and non-ST-elevation myocardial infarction (NSTEMI) in the Netherlands.

Aim: To evaluate STEMI and NSTEMI care among patients with low and high SES in the referral area of three Dutch percutaneous coronary intervention (PCI) centres, using claims data as a source.

Methods: STEMI and NSTEMI patients treated in 2015-2017 were included.

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Background: The Fontan operation resulted in improved survival of patients with congenital heart defects not equipped to sustain biventricular circulation. Long-term complications are common, such as veno-venous collaterals (VVC). The aim of this study was to evaluate patient characteristics, percutaneous treatment strategy and (short-term) outcomes in adult Fontan patients with VVC, and review literature to date.

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In hospitalized COVID-19 patients, myocardial injury and echocardiographic abnormalities have been described. The present study investigates cardiac function in COVID-19 patients 6 weeks post-discharge and evaluates its relation to New York Heart Association (NYHA) class. Furthermore cardiac function post-discharge between the first and second wave COVID-19 patients was compared.

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Implantable cardioverter defibrillators (ICDs) significantly contribute to the prevention of sudden cardiac death in selected patients. However, it is essential to identify those who are likely to not have benefit from an ICD and to defer a pulse generator exchange. Easily implementable guidelines for individual risk stratification and decision making are lacking.

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Aims: Lowering low-density lipoprotein (LDL-C) and blood pressure (BP) levels to guideline recommended values reduces the risk of major adverse cardiac events in patients who underwent coronary artery bypass grafting (CABG). To improve cardiovascular risk management, this study evaluated the effects of mobile health (mHealth) on BP and cholesterol levels in patients after standalone CABG.

Methods And Results: This study is a analysis of an observational cohort study among 228 adult patients who underwent standalone CABG surgery at a tertiary care hospital in The Netherlands.

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Article Synopsis
  • Increasing survival rates in adults with congenital heart disease (ACHD) lead to complications like arrhythmias and heart failure; therefore, transcatheter valve interventions are emerging as a viable treatment option.
  • A study at the Center of Congenital Heart Disease Amsterdam-Leiden analyzed ACHD patients with severe atrioventricular (AV) valve regurgitation who underwent various transcatheter procedures from 2020 to 2022, noting improvements in condition without complications.
  • The findings suggest that while transcatheter valve repair can be safe and effective for complex ACHD patients, ongoing collaboration and individualized treatment strategies from a dedicated heart team are crucial for optimizing outcomes and future evaluations are needed to assess long-term results.
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Objective: Patients with a systemic right ventricle (sRV) in the context of transposition of the great arteries (TGA) after atrial switch or congenitally corrected TGA (ccTGA) are prone to sRV dysfunction. Pharmacological options for sRV failure remain poorly defined. This study aims to investigate the tolerability and effects of sacubitril/valsartan on sRV failure in adult patients with sRV.

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Background: Cardiac symptoms are one of the most prevalent reasons for emergency department visits. However, over 80% of patients with such symptoms are sent home after acute cardiovascular disease has been ruled out.

Objective: The Hollands-Midden Acute Regional Triage-cardiology (HART-c) study aimed to investigate whether a novel prehospital triage method, combining prehospital and hospital data with expert consultation, could increase the number of patients who could safely stay at home after emergency medical service (EMS) consultation.

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Baffle leaks are a frequently encountered and often overlooked complication after the atrial switch procedure for transposition of the great arteries. Baffle leaks are present in up to 50% of non-selected patients, and while they initially may not cause clear symptoms, they can complicate the hemodynamic course and influence the prognosis in this complex patient group. A shunt from the pulmonary venous atrium (PVA) to the systemic venous atrium (SVA) can lead to pulmonary overflow and subpulmonary left ventricular (LV) volume overload, while a shunt from the SVA to the PVA can result in (exercise-associated) cyanosis and paradoxical embolism.

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Aims: Cardiac manifestations are common in COVID-19, often elevated serum troponin levels or myocardial dysfunction on trans-thoracic echocardiography (TTE) is observed. Both parameters are associated with increased in-hospital mortality. Possibly, subclinical coronary atherosclerosis plays a role, of which severity can be assessed by calculating the coronary artery calcium (CAC) score.

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Coarctation of the aorta (CoA) is a congenital heart defect that is associated with a bicuspid aortic valve (BAV), ascending aorta dilatation, intracerebral aneurysms, and premature atherosclerotic disease. The first presentation during late adulthood is rare and is frequently driven by late sequelae. Hypertrophic collateral arteries can develop aneurysms which are at risk for spontaneous rupture, however, treatment recommendations for these aneurysms are scarce.

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Suboptimal diet is a major modifiable risk factor in cardiovascular disease. Governments, individuals, educational institutes, healthcare facilities and the industry all share the responsibility to improve dietary habits. Healthcare facilities in particular present a unique opportunity to convey the importance of healthy nutrition to patients, visitors and staff.

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Background: Counseling of Implantable Cardioverter-defibrillator (ICD) patients with regard to individual risks and benefits is challenging. An evidence-based decision aid tailored to the needs of Dutch ICD patients is not yet available. The objective of this pilot project was to structurally evaluate the current clinical practice in The Netherlands and the ICD patient experience, in order to develop an online decision aid to facilitate shared decision making in ICD procedures.

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Article Synopsis
  • In patients undergoing hemodialysis, implantation of an implantable cardioverter-defibrillator (ICD) can lead to central venous stenosis (CVS), causing painful symptoms and potential loss of dialysis access.
  • A study was conducted with 80 dialysis patients receiving ICDs to examine the incidence of CVS, assessing venous health before and one year after implantation.
  • Results showed that by the end of the follow-up, a third of patients experienced partial vein obstruction and a small percentage developed significant symptoms, highlighting the need for focused prevention and further research on CVS complications in this population.
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Aims: Postoperative atrial fibrillation (POAF) is a common complication of cardiac surgery, yet difficult to detect in ambulatory patients. The primary aim of this study is to investigate the effect of a mobile health (mHealth) intervention on POAF detection after cardiac surgery.

Methods And Results: We performed an observational cohort study among 730 adult patients who underwent cardiac surgery at a tertiary care hospital in The Netherlands.

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Introduction: The coronavirus disease 2019 (COVID-19) pandemic challenged health care systems in an unprecedented way. Due to the enormous amount of hospital ward and intensive care unit (ICU) admissions, regular care came to a standstill, thereby overcrowding ICUs and endangering (regular and COVID-19-related) critical care. Acute care coordination centers were set up to safely manage the influx of COVID-19 patients.

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Article Synopsis
  • The study investigates high-risk characteristics of anomalous coronary arteries originating from the opposite sinus of Valsalva (ACAOS) using computed tomography angiography (CTA) to identify features linked to sudden cardiac death.
  • Researchers evaluated 25 patients to develop a new CTA measurement, called interluminal space (ILS), to distinguish an intramural segment of ACAOS.
  • Results showed that an ILS of less than 0.95 mm is a strong indicator of an intramural segment, achieving 100% sensitivity and 84% specificity for diagnosis.
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Article Synopsis
  • * An observational study followed 28 patients between 1989 and 2020, finding that 41% developed a need for chronic ventricular pacing after their surgery, with many experiencing complications within two years post-op.
  • * Patients with chronic pacing showed worse heart function as indicated by higher QRS duration and NT-pro-BNP levels, and 75% faced progressive heart failure outcomes, contrasting with a much lower percentage among those with
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Article Synopsis
  • * Among 107 patients, the device demonstrated a sensitivity of 79% and specificity of 88%, indicating it is quite effective in identifying true cases of fluid retention.
  • * True positive alerts lasted longer and had a higher HeartLogic index compared to false positives, suggesting that higher index values may correlate with the severity of fluid retention and the need for more intensive treatment.
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