Publications by authors named "Stephan Nopp"

Background: The VTE-PREDICT score predicts venous thromboembolism (VTE) recurrence and clinically relevant bleeding (CRB, major and clinically relevant non-major bleeding) after acute VTE.

Objectives: We aimed to externally validate the VTE-PREDICT score in RIETE, a prospective registry of patients with VTE.

Methods: Exclusion criteria included enrollment before 2012, active cancer, and anticoagulation other than direct oral anticoagulants (DOAC), vitamin K antagonists (VKA), or low-molecular-weight heparin (LMWH).

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Background: Patients with venous thromboembolism (VTE) are at risk of bleeding during anticoagulation.

Objectives: This study aimed to assess bleeding risk and the performance of risk assessment models (RAMs) VTE-PREDICT, HAS-BLED, RIETE, and VTE-BLEED in patients with acute VTE initiating anticoagulation.

Methods: We used data from a prospective observational cohort study (BACH-VTE) including patients with acute VTE who initiated anticoagulation with a follow-up period of up to 2 years.

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Functional limitations often persist in patients with venous thromboembolism (VTE). The relevance of biomarkers for these outcomes remains unexplored. Therefore, we aimed to investigate the association of hemostatic, inflammatory, and cardiovascular biomarkers with functional limitations 3 months after VTE.

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Objective: Differences in cardiac parameters such as myocardial mass, left ventricular ejection fraction (LVEF), cardiac output, and brain natriuretic peptide (NT-proBNP) levels between cisgender men and women are well established. No evidence exists regarding changes in myocardial mass or cardiac function parameters in transgender individuals undergoing gender-affirming hormone therapy (GAHT).

Design, Setting, Participants, And Main Outcomes: A prospective study enrolling transgender individuals under GAHT (20 individuals assigned female at birth [AFAB] and 15 assigned male at birth [AMAB]) was conducted at the Medical University of Vienna from 2019 to 2022.

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Background: The hemostatic system is tightly interconnected with cancer. Research has focused predominantly on thrombotic complications, but less is known about bleeding and bleeding risk prediction. Growth differentiation factor (GDF)-15 has previously emerged as a prognostic biomarker for bleeding.

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Introduction: Factor XI/XIa (FXI/XIa) has emerged as a potential target for antithrombotic therapy, driven by preclinical evidence showing the role of FXI/XIa inhibition for preventing thrombosis without impeding hemostasis. This is particularly promising for patients at high risk of both thromboembolic events and bleeding, such as patients with end-stage kidney disease (ESKD) on hemodialysis (HD).

Methods: We systematically searched Embase, MEDLINE, and ClinicalTrials.

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Arterial and venous thromboembolism are leading causes of morbidity and death worldwide. Despite significant advances in the diagnosis, prognostication, and treatment of thrombotic diseases over the past 3 decades, the adoption of findings stemming from translational biomarker research in clinical practice remains limited. Biomarkers provide an opportunity to enhance our understanding of pathophysiological processes and optimize treatment strategies.

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Background:  Patients with end-stage kidney disease (ESKD) are at very high risk for thromboembolism and bleeding. This study aimed to identify small noncoding RNAs (sncRNAs), specifically microRNAs and transfer-RNA (tRNA)-derived fragments (tRFs), as potential novel biomarkers for predicting thromboembolism and bleeding in this high-risk population.

Methods:  In this sncRNA discovery research, we leveraged the VIVALDI cohort, consisting of 625 ESKD patients on hemodialysis, to conduct two nested case-control studies, each comprising 18 participants.

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Background: Continuously improving cancer-specific survival puts a growing proportion of cancer patients at risk of major adverse cardiovascular events (MACE), but tailored tools for cardiovascular risk prediction remain unavailable.

Objectives: To assess a broad panel of cardiovascular biomarkers and risk factors for the prediction of MACE and cardiovascular death in cancer patients.

Methods: In total, 2192 patients with newly diagnosed or recurrent cancer were followed prospectively for the occurrence of 2-year MACE and 5-year cardiovascular death.

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Article Synopsis
  • Patients with venous thromboembolism (VTE) may suffer from significant anxiety, but this aspect of their health is less researched compared to physical symptoms.
  • A study involving 257 patients found that overall anxiety levels decreased over three months, but 23.7% of patients experienced heightened anxiety, especially among older females and those with higher baseline anxiety.
  • Factors linked to increased anxiety included being female, being older than 45, having initial anxiety symptoms, while a history of VTE seemed to correlate with lower anxiety, although these findings require further research for conclusive validation.
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Article Synopsis
  • The study investigates the prevalence and incidence of venous thromboembolism (VTE) in older adults (65+) admitted to long-term care hospitals, highlighting a gap in existing research.
  • Researchers analyzed data from 1148 patients, finding a lifetime prevalence of VTE at 9.6% and cumulative incidence rates of 3.5%, 4.2%, and 5.4% over 1, 2, and 3 years, respectively.
  • The study concludes that there is a notably high prevalence and incidence of VTE in long-term care settings, indicating the need for more extensive prospective studies to better understand this issue.
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  • Venous thromboembolism (VTE) can lead to long-term complications, prompting a study to evaluate the relationship between initial clinical characteristics at diagnosis and functional limitations at 3 and 12 months post-diagnosis.
  • The study involved 307 patients (mostly middle-aged), where assessments showed improvements in functional status over time, but scores remained below pre-VTE levels.
  • Female sex, higher body mass index, older age, and pre-existing health conditions were identified as significant factors predicting ongoing functional limitations after VTE.
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Background: Following years of pandemic severe acute respiratory syndrome coronavirus 2 infections labelled Covid-19, long lasting impairment summarized as post-Covid syndrome (PCS) challenges worldwide healthcare. Patients benefit from rehabilitation programs, but sex specific aspects of improvement remain little understood. The aim of the study was to assess whether women and men differ in response to outpatient pulmonary rehabilitation for PCS.

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Background: Data on walking impairment during the acute phase of deep vein thrombosis (DVT) are limited.

Objectives: This study aimed to assess the degree of walking impairment in patients with acute DVT, with a particular focus on the relation to the DVT's anatomical location.

Methods: Patients with sonographically confirmed DVT were eligible for inclusion in this cohort study.

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Acute pulmonary embolism (PE) is a potentially life-threatening disease. Current guidelines suggest risk-adapted management. Hospitalization is required for intermediate- and high-risk patients.

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Postpartum hemorrhage (PPH) is a leading cause of maternal morbi-mortality. Although obstetric risk factors are well described, the impact of predelivery hematologic and hemostatic biomarkers remains incompletely understood. In this systematic review, we aimed to summarize the available literature on the association between predelivery hemostatic biomarkers and PPH/severe PPH.

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Background: Patients with cancer are at increased risk of venous thromboembolism (VTE) and arterial thromboembolic/thrombotic events (ATEs). Growth differentiation factor-15 (GDF-15) improves cardiovascular risk assessment, but its predictive utility in patients with cancer remains undefined.

Objectives: To investigate the association of GDF-15 with the risks of VTE, ATE, and mortality in patients with cancer and its predictive utility alongside established models.

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Impaired polymorphonuclear leukocyte (PMNL) functions contribute to increased infections and cardiovascular diseases in chronic kidney disease (CKD). Uremic toxins reduce hydrogen sulfide (HS) levels and the anti-oxidant and anti-inflammatory effects of HS. Its biosynthesis occurs as a side process of transsulfuration and in the disposal of adenosylhomocysteine, a transmethylation inhibitor and proposed uremic toxin.

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Background: Atrial fibrillation (AF) is an increasingly recognized codiagnosis in patients with cancer.

Objectives: This study aimed to provide a robust and contemporary estimate on the coprevalence and relative risk of AF in patients with cancer.

Methods: We conducted a nationwide analysis, utilizing diagnosis codes from the Austrian Association of Social Security Providers dataset.

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The risk stratification of patients with atrial fibrillation (AF) for subsequent cardiovascular events could help in guiding prevention strategies. In this study, we aimed at investigating circulating microRNAs as prognostic biomarkers for major adverse cardiovascular events (MACE) in AF patients. We conducted a three-stage nested case-control study within the framework of a prospective registry, including 347 AF patients.

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Background: Venous thromboembolism (VTE) is the third most common cardiovascular disease and occurs in all age groups, albeit the risk increases considerably with age. Previous research indicates mitochondrial dysfunction and telomere shortening in cardiovascular aging. However, in the context of VTE this has not been investigated in detail.

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Venous and arterial thromboembolism (VTE/ATE) are common complications in cancer patients. Antithrombin deficiency is a risk factor for thrombosis in the general population, but its connection to risk of cancer-associated thrombosis is unclear. We investigated the association of antithrombin activity levels with risk of cancer-associated VTE/ATE and all-cause mortality in an observational cohort study including patients with cancer, the Vienna Cancer and Thrombosis Study.

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Background: Patients with end-stage kidney disease (ESKD) are at high risk of cardiovascular events and bleeding. Optimizing risk assessment of ESKD patients regarding the risk of thromboembolism and bleeding complications in comorbid conditions, including atrial fibrillation and coronary heart disease, is challenging. To improve risk prediction we investigated growth differentiation factor-15 (GDF-15), a promising cardiovascular biomarker, and its relation to adverse outcomes.

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Aims: The risk for developing venous thromboembolism (VTE) is about equal in both sexes. Research suggests diabetes mellitus (DM) is a risk factor for pulmonary embolism and deep vein thrombosis, both forms of VTE. We aimed at investigating the sex-specific impact of DM on VTE risk.

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