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A Prospective Study of the Association Between Clinically Significant Bleeding in PICU Patients and Thrombocytopenia or Prolonged Coagulation Times*

Conclusions: There is a statistically significant association in PICU patients between decrease in platelet count and clinically significant bleeding, and this association is stronger with lower platelet counts. Further study is required to determine whether platelet transfusion can reduce bleeding risk. International normalized ratio and activated partial thromboplastin time do not predict clinically significant bleeding, and these tests should not be used for this purpose in a general PICU patient population.
Source: Pediatric Critical Care Medicine - Category: Pediatrics Tags: Online Clinical Investigations Source Type: research

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AbstractBleeding is the most important clinical outcome in patients with immune thrombocytopenia (ITP), and the goal of therapy in such cases is to treat or prevent bleeding. The frequency of and risk factors for bleeding events in ITP have only recently been identified in several large-scale studies. However, there is little published information about severe life-threatening bleeding in ITP. To clarify the clinical features of life-threatening bleeding in patients with primary ITP, we systematically reviewed the medical records of all ITP patients that were admitted to our hospital between January 1, 1992, and December 3...
Source: Annals of Hematology - Category: Hematology Source Type: research
ConclusionsTMV‐7 shows antiplatelet and antithrombotic activities resulting from a mechanism different from that of all other tested αIIbβ3 antagonists, and may offer advantages as a therapeutic agent with a better safety profile.
Source: Journal of Thrombosis and Haemostasis - Category: Hematology Authors: Tags: Original Article Source Type: research
Source: Pediatric Blood and Cancer - Category: Cancer & Oncology Authors: Tags: HIGHLIGHT Source Type: research
We report the case of a patient who presented with pericardial effusion causing cardiac tamponade. He had thrombocytopenia associated with myelodysplastic syndrome, and ten weeks before this admission, percutaneous transluminal coronary angioplasty with implantation of drug-eluting stents was performed for non-ST-segment elevation acute coronary syndrome. Platelets in myelodysplastic syndromes are dysfunctional, which exacerbates bleeding from thrombocytopenia, and the management of atherosclerotic cardiovascular disease in these patients is challenging. PMID: 28976875 [PubMed - in process]
Source: Acta Medica: Hradec Kralove - Category: General Medicine Tags: Acta Medica (Hradec Kralove) Source Type: research
CONCLUSIONS: This is the first report of a novel abciximab/heparin protocol for LVAD implantation in patients with HIT. The preliminary results suggest the feasibility and safety of this protocol. PMID: 28987395 [PubMed - as supplied by publisher]
Source: The Annals of Thoracic Surgery - Category: Cardiovascular & Thoracic Surgery Authors: Tags: Ann Thorac Surg Source Type: research
Authors: French SL, Hamilton JR Abstract Protease-activated receptor 4 (PAR4) is a cell surface G protein-coupled receptor for serine proteases, such as thrombin. Par4(-/-) mice have platelets that are unresponsive to thrombin and thereby allow examination of the importance of thrombin-induced platelet activation in (patho)physiology. Par4(-/-) mice are protected against arterial thrombosis but show no evidence of spontaneous bleeding. This contrasts with the bleeding experienced by mice with marked thrombocytopenia, such as those with genetic deficiency of the transcription factor, nuclear factor erythroid 2 (Nfe2...
Source: Platelets - Category: Hematology Tags: Platelets Source Type: research
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Source: European Journal of Haematology - Category: Hematology Authors: Tags: Case Report Source Type: research
CONCLUSIONS: No trial evaluated one TPO mimetic versus another.Six trials including adult patients analysed one TPO mimetic versus placebo, sometimes combined with standard therapy in both arms. Given the uncertainty of the quality of evidence, meta-analyses show that there is little or no evidence for a difference in mortality during study and premature progress to AML. However, these assumptions have to be further explored. Treatment with TPO mimetics resulted in a lower number of MDS patients suffering from bleeding events.There is no evidence for a difference between study groups regarding transfusion requirement. Enla...
Source: Cochrane Database of Systematic Reviews - Category: General Medicine Authors: Tags: Cochrane Database Syst Rev Source Type: research
After cardiopulmonary bypass (CPB) thrombocytopenia is a relatively common pattern which may trigger postoperative bleeding. The purpose of this study is to verify if the endogenous fibrinogen levels are independent determinants of chest drain blood loss and need for allogeneic blood products transfusions in a clinical model of post-CPB thrombocytopenia.
Source: International Journal of Cardiology - Category: Cardiology Authors: Source Type: research
ConclusionsWe recommend the use of TA in ITP patients with bleeding and/or an increased bleeding risk. Ultimately, cessation of bleeding plays a key role in the management of such affected patients. However, future studies are required to optimize dose and administration routes (intravenous or oral).
Source: Vox Sanguinis - Category: Hematology Authors: Tags: Original Paper Source Type: research
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