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Coagulopathy signature precedes and predicts severity of end-organ heat stroke pathology in a mouse model.
CONCLUSIONS: Heat stroke-induced coagulopathy may be a driving mechanistic force in heat stroke pathology, especially when exacerbated by prior infection. Coagulation markers may serve as accessible biomarkers for heat stroke severity and therapeutic strategies. PMID: 32367690 [PubMed - as supplied by publisher]
Source: Thrombosis and Haemostasis - May 3, 2020 Category: Hematology Authors: Proctor EA, Dineen SM, Van Nostrand SC, Kuhn MK, Barrett CD, Brubaker DK, Yaffe MB, Lauffenburger DA, Leon LR Tags: J Thromb Haemost Source Type: research

Improving stroke risk prediction in the general population: Common clinical rules, a new multimorbid index and machine learning based algorithms
Conclusion Complex relationships of various comorbidities uncovered using a ML approach for diverse(and dynamic) multimorbidity changes have major consequences for stroke risk prediction.PMID:33765685 | DOI:10.1055/a-1467-2993
Source: Thrombosis and Haemostasis - March 25, 2021 Category: Hematology Authors: Gregory Yh Lip Ash Genaidy George Tran Patricia Marroquin Cara Estes Sue Sloop Source Type: research

Advances in understanding stroke risk in children – a geneticist's view
Summary The advent of the genomic era has provided novel insights into the genetic architecture of common complex diseases, such as thrombophilia and stroke. Since 2006, a growing number of genome wide association studies (GWAS) for common complex diseases have revealed new candidate loci and genomic regions that play an important role in disease aetiology and progression. While GWAS on the above mentioned traits are abundant in adults, similar studies in paediatric study cohorts are lagging behind. However, genetic research in this important clinical area has gained momentum and starts to provide us with exciting insights...
Source: British Journal of Haematology - December 21, 2013 Category: Hematology Authors: Monika Stoll, Frank Rühle, Ulrike Nowak‐Göttl Tags: State of the Art Review Source Type: research

Prediction of blood pressure variability during thrombectomy using supervised machine learning and outcomes of patients with ischemic stroke from large vessel occlusion
AbstractMechanical thrombectomy (MT) is the standard of care for patients with acute ischemic stroke from large vessel occlusion (AIS-LVO). The association of blood pressure variability (BPV) during MT and outcomes are unknown. We leveraged a supervised machine learning algorithm to predict patient characteristics that are associated with BPV indices. We performed a retrospective review of our comprehensive stroke center ’s registry of all adult patients undergoing MT between 01/01/2016 and 12/31/2019. The primary outcome was poor functional independence, defined as 90-day modified Rankin Scale (mRS) ≥ 3. We used p...
Source: Journal of Thrombosis and Thrombolysis - April 12, 2023 Category: Hematology Source Type: research

Burden and Risk of Neurological and Cognitive Impairment in Pediatric Sickle Cell Anemia in Uganda (BRAIN SAFE): Final Results of the Cross-Sectional Analysis
Conclusions: These data demonstrate early, frequent neurovascular pathology for each outcome tested. Abnormal neurocognitive test results significantly increased with age or non-normal TCD. Our findings provide a baseline for longitudinal assessment and incentive for intervention. Enhanced research capacity was gained for junior faculty, trainees and staff, in areas of the conduct of brain research and focus on pediatric SCD, TCD performance and neuro-epidemiology.Funding: 1R21HD089791 (PIs: Idro, Green)DisclosuresNo relevant conflicts of interest to declare.
Source: Blood - November 21, 2018 Category: Hematology Authors: Green, N. S., Munube, D., Bangirana, P., Opoka, R., Kayongo, E., Mupere, E., Buluma, L. R., Kebirungi, B., Sekibira, R., Kiguli, S., Kawooya, M., Lubowa, S. K., Elkind, M. S. V., Li, G., LaRussa, P., Idro, R. Tags: 114. Hemoglobinopathies, Excluding Thalassemia-Clinical: Poster II Source Type: research

Prevention of central nervous system sequelae in sickle cell disease without evidence from randomized controlled trials: the case for a team-based learning collaborative.
Authors: DeBaun MR, King AA Abstract Since 1998, the National Institutes of Health has funded 5 randomized controlled trials (RCTs) for primary and secondary prevention of strokes in children with sickle cell anemia (SCA). In a systematic fashion, these trials have significantly advanced the care of children with SCA. In the absence of an RCT, clinicians are often compelled to make decisions at the bedside, based on experience, observational studies, and principles of hematology. We will provide an initial example that describes how a team-based, learning collaborative developed a multisite standard care protocol w...
Source: Hematology ASH Education Program - December 4, 2016 Category: Hematology Tags: Hematology Am Soc Hematol Educ Program Source Type: research

Haploidentical bone marrow transplant with post-transplant cyclophosphamide plus thiotepa improves donor engraftment in patients with sickle cell anemia: results of an international learning collaborative
Sickle cell disease (SCD) has evolved from a life-threatening condition in early childhood, to a chronic disease in adults [1,2]. Improved supportive care [3], use of hydroxyurea therapy [4], and regular blood transfusion therapy for primary [5] and secondary [6] stroke prevention, have resulted in improved childhood clinical outcomes and survival. Approximately 99% of all children born in high resource countries with SCD are expected to live to adulthood [7,8]. The most feared complication in children with SCD is stroke [9].
Source: Biology of Blood and Marrow Transplantation - November 27, 2018 Category: Hematology Authors: Josu de la Fuente, Nathalie Dhedin, Tatsuki Koyama, Francoise Bernaudin, Mathieu Kuentz, Leena Karnik, G érard Socié, Kathryn A. Culos, Robert A. Brodsky, Michael R. DeBaun, Adetola A. Kassim Source Type: research

Haploidentical Bone Marrow Transplantation with Post-Transplantation Cyclophosphamide Plus Thiotepa Improves Donor Engraftment in Patients with Sickle Cell Anemia: Results of an International Learning Collaborative
Sickle cell disease (SCD) has evolved from a life-threatening condition in early childhood to a chronic disease in adults [1,2]. Improved supportive care [3], use of hydroxyurea therapy [4], and regular blood transfusion therapy for primary [5] and secondary [6] stroke prevention have resulted in improved childhood clinical outcomes and survival. Approximately 99% of all children born with SCD are expected to live to adulthood [7,8]. The most feared complication in children with SCD is stroke [9].
Source: Biology of Blood and Marrow Transplantation - November 27, 2018 Category: Hematology Authors: Josu de la Fuente, Nathalie Dhedin, Tatsuki Koyama, Francoise Bernaudin, Mathieu Kuentz, Leena Karnik, G érard Socié, Kathryn A. Culos, Robert A. Brodsky, Michael R. DeBaun, Adetola A. Kassim Source Type: research

Comprehensive neuropsychological evaluation of children and adolescents with sickle cell anemia: a hospital-based sample
Conclusion: As sickle cell anemia is considered a progressive cerebral vasculopathy, it is a potential risk factor for neurocognitive and psychosocial development. Therefore, periodic neuropsychological and behavioral evaluations of children and adolescents with sickle cell anemia may represent a useful measure to reduce long-term biopsychosocial repercussions.
Source: Revista Brasileira de Hematologia e Hemoterapia - April 3, 2017 Category: Hematology Source Type: research

Investigating the Mechanisms of Methotrexate Neurotoxicity in Patients With Childhood Leukemia and Long-Term Survivors
Adverse neurological events are common (4-20%) during treatment for pediatric acute lymphoblastic leukaemia (ALL) and include seizures, stroke like syndrome and leukoencephalopathy. In addition, chronic neurotoxicity is emerging as a worrying late effect of treatment with long-term survivors experiencing decreased executive function, processing speed and memory function. Survivors are also at increased risk of experiencing learning difficulties, social withdrawal issues and inattention hyperactivity disorders.
Source: Clinical Lymphoma, Myeloma and Leukemia - September 1, 2017 Category: Hematology Authors: Victoria Forster, Jane Carr-Wilkinson, Deborah Tweddle, Sirintra Nakjang, Sanaa Choufani, Rosanna Weksberg, Frederik van Delft Source Type: research

Adult and pediatric mechanical circulation: a guide for the hematologist.
Authors: Kreuziger LB, Massicotte MP Abstract Mechanical circulatory support (MCS) is the overarching term that encompasses the temporary and durable devices used in patients with severe heart failure. MCS disturbs the hematologic and coagulation system, leading to platelet activation, activation of the contact pathway of coagulation, and acquired von Willebrand syndrome. Ischemic stroke and major hemorrhage occur in up to 30% of patients. Hematologists are an essential part of the MCS team because they understand the delicate balance between bleeding and clotting and alteration of hemostasis with antithrombotic th...
Source: Hematology ASH Education Program - December 7, 2018 Category: Hematology Tags: Hematology Am Soc Hematol Educ Program Source Type: research

Using Artificial Intelligence to Manage Thrombosis Research, Diagnosis, and Clinical Management
Semin Thromb Hemost DOI: 10.1055/s-0039-1697949Thrombosis development in either arterial or venous system remains a major cause of death and disability worldwide. This poorly controlled in vivo clotting could result in many severe complications including myocardial infarction, venous thromboembolism, stroke, and cerebral venous thrombosis, to name a few. These conditions are collectively known as thromboembolic disorders (TEDs). Appropriate understanding of TEDs is challenging, as they are multifactorial and involve several and often different risk factors. Hence, it requires a collective effort and data from numerous rese...
Source: Seminars in Thrombosis and Hemostasis - September 27, 2019 Category: Hematology Authors: Mishra, Aastha Ashraf, Mohammad Zahid Tags: Review Article Source Type: research