Premature ventricular contraction (PVC) is characterized by early repolarization of the myocardium originating from Purkinje fibers. PVC may occur in individuals who are otherwise healthy. However, it may be associated with some pathological conditions. In this research the association between hematological factors and PVC was studied. In this study, 9,035 participants were enrolled in the Mashhad stroke and heart atherosclerotic disorder (MASHAD) cohort study. The association of hematological factors with PVC was evaluated using different machine learning (ML) algorithms, including logistic regression (LR), C5.0, and boosting decision tree (DT). The dataset was divided into training and test, and each model's performance was appraised on the test dataset. All data analyses used SPSS version 26 and SPSS Modeler 10. The results show that the Boosting DT was the most effective algorithm. Boosting DT had an accuracy of 98.13% and 96.92% for males and females respectively. According to the models, RDW and PLT were the most significant hematological factors for both males and females. WBC, PDW, and HCT for males and RBC, MCV, and MXD for females were also important. Some hematological factors associated with PVC were found using ML models. Further studies are needed to confirm these results in other populations, considering the novelty of the exploration of the relationship between hematological parameters and PVC.
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http://dx.doi.org/10.1038/s41598-025-86557-z | DOI Listing |
Curr Oncol Rep
January 2025
Department of Radiology, Albert Einstein College of Medicine and the Montefiore Medical Center, 111 East 210Th Street, Bronx, NY, 10461, USA.
Purpose Of Review: This paper reviewed the current literature on incidence, clinical manifestations, and risk factors of Chimeric Antigen Receptor T-cell (CAR-T) cardiotoxicity.
Recent Findings: CAR-T therapy has emerged as a groundbreaking treatment for hematological malignancies since FDA approval in 2017. CAR-T therapy is however associated with a few side effects, among which cardiotoxicity is of significant concern.
Histochem Cell Biol
January 2025
Department of Histology and Embryology, Faculty of Medicine, Ankara Yildirim Beyazit University, 06800, Ankara, Turkey.
Bone marrow mesenchymal stromal cells (BM-MSCs) are integral components of the bone marrow microenvironment, playing a crucial role in supporting hematopoiesis. Recent studies have investigated the potential involvement of BM-MSCs in the pathophysiology of acute lymphoblastic leukemia (ALL). However, the exact contribution of BM-MSCs to leukemia progression remains unclear because of conflicting findings and limited characterization.
View Article and Find Full Text PDFJ Exp Med
March 2025
Department of Hematology, The Second Affiliated Hospital of Chongqing Medical University, School of Basic Medical Sciences, Chongqing Medical University, Chongqing, China.
Hematopoietic stem cells (HSCs) are susceptible to replication stress, which is a major contributor to HSC defects in Fanconi anemia (FA). Here, we report that HSCs relax the global chromatin by downregulating the expression of a chromatin architectural protein, DEK, in response to replication stress. DEK is abnormally accumulated in bone marrow (BM) CD34+ cells from patients with FA and in Fancd2-deficient HSCs.
View Article and Find Full Text PDFRadiology
January 2025
From the Department of Radiology, University Hospital Halle, Ernst-Grube-Strasse 40, 06120 Halle (Saale), Germany (D.S., J.S., J.M.B.); Department of Nuclear Medicine, University of Leipzig, Leipzig, Germany (L.K., T.W.G., R.K.); Diagnostic Imaging and Pediatrics, Warren Alpert Medical School, Brown University, Providence, RI (K.M.M.); Department of Pediatric Radiology, Imaging and Radiation Oncology, Core-Rhode Island, Providence, RI (K.M.M.); Department of Oncology, St Jude Children's Research Hospital, Memphis, Tenn (J.E.F.); Department of Pediatric Hematology and Oncology, University Hospital Giessen-Marburg, Giessen, Germany (C.M.K., D.K.); Medical Faculty of the Martin Luther University of Halle-Wittenberg, Halle (Saale) Germany (C.M.K.); Department of Radiology, University of Wisconsin-Madison, Madison, Wis (S.Y.C.); Roswell Park Comprehensive Cancer Center, Buffalo, NY (K.M.K.); Department of Radiation Oncology, Medical Faculty of the Martin-Luther-University, Halle (Saale), Germany (T.P., D.V.); Department of Radiation Oncology, Mayo Clinic-Jacksonville, Jacksonville, Fla (B.S.H.); Department of Radio-Oncology, Medical University Vienna, Vienna, Austria (K.D.); and Department of Radiology, Boston Children's Hospital and Harvard Medical School, Boston, Mass (S.D.V.).
Staging of pediatric Hodgkin lymphoma is currently based on the Ann Arbor classification, incorporating the Cotswold modifications and the Lugano classification. The Cotswold modifications provide guidelines for the use of CT and MRI. The Lugano classification emphasizes the importance of CT and PET/CT in evaluating both Hodgkin lymphoma and non-Hodgkin lymphoma but focuses on adult patients.
View Article and Find Full Text PDFPediatr Blood Cancer
January 2025
Division of Hematology/Oncology and BMT, Department of Pediatrics, Nationwide Children's Hospital, The Ohio State University College of Medicine, Columbus, Ohio, USA.
Background: Neuroblastoma is the most common extracranial solid tumor in children, with about half of cases classified as high risk. Treatment varies by risk level, with high-risk patients undergoing aggressive multimodal therapy. While long-term survival has improved, survivors face significant risks of late treatment effects, including adrenal insufficiency.
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