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https://www.readbyqxmd.com/read/29665924/-analysis-of-phenotype-and-l12r-mutation-in-signal-peptide-and-3-non-translation-region-c11814-insaa-mutation-of-f7-gene-in-a-family-with-hereditary-coagulation-factor-vii-deficiency
#1
Shan Liu, Jing-Yu Zhang, Zheng-Rong Li, Yan Wang, Zhi-Yun Niu, Feng-Ru Lin
OBJECTIVE: To examine one young female patient with hereditary FVII deficiency and her family members, to observe the gene mutation and clinical phenotype, and to investigate the molecular mechanism of the dysfunction. METHODS: Prothrombin time (PT), activated partial thromoploastin time (APTT), fibrinogen (Fg) and FVII activity (FVII:C) and FVII antigen (FVII:Ag) were tested. The gene mutations were sought by DNA sequencing for all of the exons and flanks, 5' and 3' non-translation region of F7 gene...
April 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29656962/treatment-of-platelet-concentrates-and-plasma-with-riboflavin-and-uv-light-impact-in-bacterial-reduction
#2
J M Bello-López, L Delgado-Balbuena, D Rojas-Huidobro, J Rojo-Medina
OBJECTIVES: Transfusion of hemocomponents is essential for clinical and surgical procedures and therefore their safety has increased. An option for pathogen reduction includes the combination of riboflavin and UV light. To our knowledge, there are no studies in Latin America that demonstrate the effectiveness of the pathogen reduction in hemocomponents. The objective of this work was to evaluate the efficiency of a pathogens reduction system in platelets concentrates (PC) and plasma. MATERIALS AND METHODS: PC and plasma were contaminated with Escherichia coli, Klebsiella pneumoniae, Streptococcus pyogenes and Staphylococcus epidermidis at 104 to 106  CFU and subjected to bacterial reduction...
April 12, 2018: Transfusion Clinique et Biologique: Journal de la Société Française de Transfusion Sanguine
https://www.readbyqxmd.com/read/29652992/-phenotypic-and-mutational-analysis-of-a-pedigree-affected-with-hereditary-coagulation-factor-%C3%A2-deficiency
#3
Mengcha Tian, Hong Xia, Zhishan Zhang, Yanhui Jin, Kankan Su, Mingshan Wang
OBJECTIVE: To explore the molecular pathogenesis for a pedigree affected with coagulation factor Ⅴ (FⅤ) deficiency. METHODS: Prothrombin time (PT), activated partial thromboplastin time (APTT), fibrinogen (FIB), coagulation factor Ⅱ activity (FⅡ: C), FⅤ activity (FⅤ: C), coagulation factor Ⅶ activity (FⅦ: C), and coagulation factor Ⅹ activity (FⅩ: C) were determined with a STAGO automatic coagulometer. FⅤ antigen (FⅤ: Ag) was detected with enzyme linked immunosorbent assay (ELISA)...
April 10, 2018: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/29652987/-analysis-of-a-pedigree-affected-with-congenital-hypofibrinogenemia-due-to-heterozygous-ser313ile-mutation-of-fibrinogen-%C3%AE-chain-gene
#4
Liqing Zhu, Misheng Zhao, Xiaoli Cheng, Dandan Yu, Xiaolong Li, Fei Xu, Jinguo Wang, Mingshan Wang
OBJECTIVE: To explore the genetic basis for a Chinese pedigree affected with congenital hypofibrinogenamia. METHODS: Peripheral blood samples were collected from 9 members from the pedigree. Routine coagulation tests including activated partial thromboplastin time (APTT), thrombin time (TT), the prothrombin time (PT) were carried out. The activity of fibrinogen (Fg: C) was measured using Clauss method, and fibrinogen antigen (Fg: Ag) was measured with immunoturbidimetry...
April 10, 2018: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/29652276/utility-of-thromboelastography-versus-routine-coagulation-tests-for-assessment-of-hypocoagulable-state-in-patients-undergoing-cardiac-bypass-surgery
#5
Seema Sharma, Sujeet Kumar, Prabhat Tewari, Shantanu Pande, Manjula Murari
Introduction: Peri-operative monitoring of coagulation is important to diagnose potential cause of hemorrhage, to manage coagulopathy and guide treatment with blood products in patients undergoing cardiac surgery with cardiopulmonary bypass. This study was done to evaluate usefulness of Thromboelastography (TEG) and routine coagulation tests (RCT) in assessing hemostatic changes and predicting postoperative bleeding in patients undergoing cardiac surgery with cardiopulmonary bypass. Methods: Fifty adult patients undergoing cardiac surgery with cardiopulmonary bypass were enrolled in this prospective study...
April 2018: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/29648994/within-subject-biological-variation-of-activated-partial-thromboplastin-time-prothrombin-time-fibrinogen-factor-viii-and-von-willebrand-factor-in-pregnant-women
#6
Ann Helen Kristoffersen, Per Hyltoft Petersen, Line Bjørge, Thomas Røraas, Sverre Sandberg
BACKGROUND: During pregnancy, interpretation of results from coagulation parameters can be difficult as the physiological changes that occur may affect the biochemical parameters. The aim of this study was to describe the normal course of five coagulation parameters in healthy pregnancies, and to estimate the within-subject biological variation (CVI). METHODS: Blood samples were obtained every 4th week during pregnancy and three samples after delivery in 20 healthy women and every 4th week during a 40-week period in 19 healthy non-pregnant women...
April 12, 2018: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29626437/dynamic-reference-intervals-for-coagulation-parameters-from-infancy-to-adolescence
#7
Christina Weidhofer, Meyer Elias, Ristl Robin, Helmut Wiedemann, Janne Cadamuro, Kipman Ulrike, Jakob Zierk, Christoph Male, Peter Quehenberger, Elisabeth Haschke-Becher, Elisa Einwallner
INTRODUCTION: Practical and ethical challenges as well as time and costs have restricted the generation of pediatric reference intervals. Therefore, pediatric reference intervals on coagulation parameters based on solid evidence are still scarce. Furthermore, reference intervals by age-group cannot reflect the dynamics of age and sex specific coagulation values during childhood. This study is the first to close this gap and provide continuous age and sex dependent reference intervals during childhood in hemostasis...
April 4, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29623883/evaluation-of-the-coagulometer-sta-r-max-%C3%A2-stago-for-routine-coagulation-parameters
#8
Justine Brulé, Thomas Sinegre, Bruno Pereira, Marc G Berger, Anne-Françoise Serre-Sapin, Aurélien Lebreton
The STA R Max® is a fully automated multiparameter coagulometer using clotting (viscosity-based detection system), chromogenic and immunologic assays. STA R Max® is equipped with an innovative software (STA Coag Expert® ) designed to assist laboratory in accreditation. The aim of this study was to evaluate its performances for the certification according to ISO 15189 quality standard in the haemostasis unit of our university hospital. The following tests were evaluated: prothrombin time (PT), activated partial thromboplastin time (aPTT), kaolin cephalin clotting time (KCCT), fibrinogen, anti-Xa assay and D-dimers...
April 1, 2018: Annales de Biologie Clinique
https://www.readbyqxmd.com/read/29622820/high-risk-of-coagulopathy-among-type-2-diabetes-mellitus-clients-at-a-municipal-hospital-in-ghana
#9
Richard Kd Ephraim, Yaw A Awuku, Patrick Adu, Lord Tw Ampomah, Prince Adoba, Solomon Panford, Jerry Pk Ninnoni, Hope Agbodzakey
Background: Persistent hyperglycaemia in diabetes mellitus causes coagulopathies due to glycation of haemoglobin, prothrombin, fibrinogen and other proteins involved in the clotting mechanism. Shortened activated partial thromboplastin time (APTT) and prothrombin time (PT) reflect hypercoagulable state, which is associated with an increased thrombotic risk and adverse cardiovascular effects. This study assessed the coagulation profile of type 2 diabetes mellitus (T2DM) clients at a municipal hospital in Ghana...
September 2017: Ghana Medical Journal
https://www.readbyqxmd.com/read/29605959/heparin-induced-thrombocytopenia-in-infants-after-heart-surgery
#10
Juma N Abdillah, Qinghua Hu, Xuliang Chen, Xing Chen, Wu Zhou, Wanjun Luo, Lingjin Huang
BACKGROUND:  Heparin-induced thrombocytopenia (HIT) in infants is a rare disorder, and the diagnosis and management of HIT still remains challenging. Argatroban is a synthetic direct thrombin inhibitor (DTI) that is widely used for treating HIT. However, little is known about the efficacy of the activated clotting time (ACT) test in monitoring DTI treatment as an alternative to the routinely used activated partial thromboplastin time (aPTT). METHODS:  Between July 2013 and January 2015, four infants were diagnosed with HIT after surgical correction of congenital anomalies...
April 1, 2018: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29564685/an-increased-tendency-in-fibrinogen-activity-and-its-association-with-a-hypo-fibrinolytic-state-in-early-stages-after-injury-in-patients-without-acute-traumatic-coagulopathy-atc
#11
S He, M Blombäck, F Boström, H Wallen, J Svensson, A Östlund
Acute traumatic coagulopathy (ATC) diagnosed by prolongation of APTT and/or PT/INR involves alterations in platelet activity, coagulation and fibrinolysis. However, data showing the haemostatic situation in injured patients without ATC are scarce. To assess whether haemostatic impairment is also present in injured patients without ATC, ten injured patients without ATC and ten normal individuals were examined. The patients were sampled on arrival at the emergency department 0, 2, 12 h after surgical or other intervention...
March 21, 2018: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/29550825/effect-of-centrifuge-temperature-on-routine-coagulation-tests
#12
Hayrullah Yazar, Fatma Özdemir, Elif Köse
BACKGROUND: This study investigated the effects of cooled and standard centrifuges on the results of coagulation tests to examine the effects of centrifugation temperature. METHODS: Equal-volume blood samples from each patient were collected at the same time intervals and subjected to standard (25°C) and cooled centrifugation (2-4°C). Subsequently, the prothrombin time (PT), international normalized ratio (INR), activated partial thromboplastin time (aPTT), fibrinogen, and D-dimer values were determined in runs with the same lot numbers in the same coagulation device using the Dia-PT R (PT and INR), Dia-PTT-liquid (aPTT), Dia-FIB (fibrinogen), and Dia-D-dimer kits, respectively...
March 16, 2018: Acta Haematologica
https://www.readbyqxmd.com/read/29544395/evaluation-of-hypercoagulability-with-rotational-thromboelastometry-in-children-with-iron-deficiency-anemia
#13
Zeynep Canan Özdemir, Yeter Düzenli Kar, Eren Gündüz, Ayşe Bozkurt Turhan, Özcan Bör
OBJECTIVE: Iron deficiency anemia (IDA) has been demonstrated to be a risk factor for thromboembolic events, although the pathogenesis of the development of thromboembolism in IDA is as yet unclear. The likelihood of children with IDA contracting hypercoagulability was evaluated in this cross-sectional study using rotational thromboelastometry (ROTEM). MATERIAL AND METHOD: A total of 57 children with IDA (median age 11 years; 37 female, 20 male) and 48 healthy children (median age 9...
March 15, 2018: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/29531589/total-antioxidant-capacity-haematological-and-coagulation-parameters-after-orthodox-christian-fast
#14
Kali G Makedou, Eleni Vagdatli, Evangelia Patziarela, Vasiliki Konstantinidou, Eirini Poimenidou, Evgenia Lymperaki
BACKGROUND: Orthodox Christian believers fast abstaining from meat, eggs, dairy products or even fish and oil in certain days of the fasting period, three times a year. AIM: The present study aimed to investigate the impact of a 48-day fast before Easter in blood count parameters, coagulation and antioxidant status. MATERIAL AND METHODS: A total of 35 healthy volunteers, 19-66 years old, were included in the study. White blood cells (WBC), lymphocytes (Lymph), granulocytes (Gran), haemoglobin (Hb), hematocrit (Ht), red blood cells (RBC), mean erythrocyte volume (MCV), platelets (Plt), were measured...
February 15, 2018: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29529240/reproducibility-of-teg-parameters-in-stable-cirrhotics
#15
Gemlyn George, Wuttiporn Manatasahit, Manjula Balasubramanian, Victor Navarro
Background: Thromboelastography (TEG) has become the standard of care in liver-transplant surgery to identify real-time abnormalities in the coagulation cascade. To our knowledge, no studies have been performed to measure the intrasubject reproducibility of TEG parameters in cirrhotic patients. Objective: To perform a validation study to determine the reproducibility of TEG in cirrhosis. Methods: We recruited 30 patients with stable cirrhosis and tested 25 of them...
February 24, 2018: Laboratory Medicine
https://www.readbyqxmd.com/read/29513969/evaluation-of-anticoagulant-effect-of-sulfated-polysaccharide-sps-from-codium-dwarkense-borgesen-in-%C3%AE%C2%BA-carrageenan-induced-hypercoagulable-state-in-wistar-albino-rats
#16
Hiral N Golakiya, Viren N Naik, Hiren N Hirapara, Kalpanaben H Mody, Alpesh P Goswami, Chandrabhanu Tripathi
Our aim of the present study was to evaluate the anticoagulant effect of sulfated polysaccharides (SPS) from Codium dwarkense Bergesen in ic-carrageenan induced hypercoagulable state in Wistar albino rats. 48 Wistar albino rats of either sex were randomly divided into 6 groups - disease control, active control, treatment lowmand high dose and preventive low and high dose. K-Carrageenan (3 mg/kg) single dose intravenously was given in rat tail vein at pre-decided time to produce hypercoagulable state. Baseline, 24, 48 and 72 hours duration blood samples were collected for PT, INR, aPTT, platelet count and fibrinogen level, FDP and D-Dimer measurements...
May 2017: Acta Poloniae Pharmaceutica
https://www.readbyqxmd.com/read/29490629/study-on-expression-of-plasma-scd138-in-patients-with-hemorrhagic-fever-with-renal-syndrome
#17
Jing Li, Hong Du, Xue-Fan Bai, Xiao-Yan Wang, Ying Zhang, Hong Jiang, Ping-Zhong Wang
BACKGROUND: Until now, there is non-specific treatment, and exploring early and novel biomarkers to determine the disease severity and prognosis of hemorrhagic fever with renal syndrome (HFRS) would be of importance for clinician to take systematic and timely intervention. This study observed the expression of plasma sCD138, a soluble component shedding from the glycocalyx (GCX) to the circulating blood, and evaluated its predictive value on disease severity and prognosis of HFRS. METHODS: One hundred and seventy-six patients with HFRS who were treated at our center between January 2011 and December 2013 were randomly enrolled in this study...
March 1, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29486103/screening-test-for-direct-oral-anticoagulants-with-the-dilute-russell-viper-venom-time
#18
Jackie Pratt, Philip Crispin
OBJECTIVES: To evaluate the dilute Russell viper venom time (DRVVT) for the detection of direct-acting oral anticoagulants (DOACs) and to investigate the effect of DOACS on coagulation assays. METHODS: Patients on DOACs and controls had plasma levels determined by an anti-Xa assay and dilute thrombin clotting time. Levels were correlated with the DRVVT as well as thrombin clotting time (TCT), prothrombin time (PT), activated partial thromboplastin time (APTT), fibrinogen, protein C, protein S and antithrombin levels...
February 27, 2018: European Journal of Haematology
https://www.readbyqxmd.com/read/29430670/the-effect-of-3-resuscitative-fluid-therapies-on-hemostasis-as-measured-by-rotational-thromboelastometry-in-dogs
#19
Sunita Seshia, M Casey Gaunt, Beverly A Kidney, Marion L Jackson
BACKGROUND: Evidence suggests that administration of intravenous fluids impairs hemostasis. Thromboelastometry (TEM) may provide a more sensitive measure of the fluid effects on hemostasis than traditional coagulation tests. OBJECTIVE: The study aim was to determine if resuscitative fluid therapy affects hemostasis, as measured by TEM. MATERIALS AND METHODS: Using a randomized crossover design, 6 healthy dogs were administered intravenous colloid, crystalloid, and hypertonic saline at therapeutic doses...
February 11, 2018: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/29429242/-the-changes-of-plasma-coagulation-function-in-patients-with-glioma-and-its-correlation-with-malignant-grade-of-glioma
#20
W Li, Y R Wang, W Song, W Chang, X Guo, Y Liu, X Y Wang, B Zhang
Objective: To investigate the changes of activated partial thromboplastin time (APTT), prothrombin time (PT), thrombin time(TT), fibrinogen(FIB) and platelet counts(PLT) in plasma of patients with glioma, and to explore the correlations between PT, APTT, TT, FIB and PLT with malignant grades of glioma. Methods: One hundred and seventy-two patients with glioma and 47 health controls were investigated in a retrospective analysis. All patients were diagnosed and identified the WHO grade by pathologist after operation...
January 30, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
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