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https://www.readbyqxmd.com/read/28640793/intraoperative-computed-tomography-ct-for-treating-giant-carotid-intracavernous-aneurysms
#1
Zhe Xue, Fuyu Wang, Zhenghui Sun, Hui Zhang, Chen Wu, Dongsheng Kong, Bainan Xu
BACKGROUND Giant carotid intracavernous aneurysm refers to those lesions larger than 2.5 cm and derived from a cavernous segment, accounting for about 30% of all intracranial tumors. Dynamic CT perfusion imaging (PCT) is a common method recently employed to evaluate cerebral perfusion. This study investigated the efficacy and clinical application of intraoperative CT in the surgery for giant symptomatic carotid intracavernous aneurysm. MATERIAL AND METHODS A retrospective analysis was performed on 23 cases with giant symptomatic carotid intracavernous aneurysm...
June 22, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28632184/crude-fucoidan-extracts-impair-angiogenesis-in-models-relevant-for-bone-regeneration-and-osteosarcoma-via-reduction-of-vegf-and-sdf-1
#2
Fanlu Wang, Harald Schmidt, Dijana Pavleska, Thees Wermann, Andreas Seekamp, Sabine Fuchs
The marine origin polysaccharide fucoidan combines multiple biological activities. As demonstrated by various studies in vitro and in vivo, fucoidans show anti-viral, anti-tumor, anti-oxidant, anti-inflammatory and anti-coagulant properties, although the detailed molecular action remains to be elucidated. The aim of the present study is to assess the impact of crude fucoidan extracts, on the formation of vascular structures in co-culture models relevant for bone vascularization during bone repair and for vascularization processes in osteosarcoma...
June 20, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28608182/an-unmet-clinical-need-the-history-of-thrombus-imaging
#3
Gregory M Lanza, Grace Cui, Anne H Schmieder, Huiying Zhang, John S Allen, Michael J Scott, Todd Williams, Xiaoxia Yang
Robust thrombus imaging is an unresolved clinical unmet need dating back to the mid 1970s. While early molecular imaging approaches began with nuclear SPECT imaging, contrast agents for virtually all biomedical imaging modalities have been demonstrated in vivo with unique strengths and common weaknesses. Two primary molecular imaging targets have been pursued for thrombus imaging: platelets and fibrin. Some common issues noted over 40 years ago persist today. Acute thrombus is readily imaged with all probes and modalities, but aged thrombus remains a challenge...
June 12, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28606123/preventing-graft-restenosis-after-coronary-artery-bypass-grafting-with-tissue-type-plasminogen-activator
#4
Ruixiong Li, Bin Lan, Tianxiang Zhu, Yanlong Yang, Muyan Cai, Zhongmin Fang, Chensheng Ma, Shu Chen
OBJECTIVE: To explore the feasibility and safety of using tissue-type plasminogen activator (t-PA) to prevent graft restenosis after coronary artery bypass grafting (CABG). METHODS: In this prospective observational study, 37 patients underwent CABG between June 2009 and May 2013. These patients were grouped according to the anti-coagulation strategy after surgery: t-PA (n = 12) and conventional treatments (n = 25). In the t-PA group, the patients received acetylsalicylic acid (ASA) and clopidogrel plus intravenous infusion of t-PA (0...
June 12, 2017: European Journal of Medical Research
https://www.readbyqxmd.com/read/28597302/the-impact-of-hypertension-on-the-occurrence-of-postoperative-spinal-epidural-hematoma-following-single-level-microscopic-posterior-lumbar-decompression-surgery-in-a-single-institute
#5
Yasushi Fujiwara, Hideki Manabe, Bunichiro Izumi, Takahiro Harada, Kazuyoshi Nakanishi, Nobuhiro Tanaka, Nobuo Adachi
PURPOSE: Postoperative spinal epidural hematoma (PSEH) is one of the most hazardous complications after spine surgery. A recent study has reported that a ≥50 mmHg increase in systolic blood pressure after extubation was a significant risk factor for symptomatic PSEH. In this paper, the impact of hypertension on PSEH occurrence was investigated. METHODS: Among a total of 2468 patients who underwent single level microscopic posterior decompression surgery for lumbar spinal stenosis in a single institute, 15 (0...
June 9, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28587168/physicochemical-properties-biological-activity-health-benefits-and-general-limitations-of-aged-black-garlic-a-review
#6
REVIEW
Ji Hyeon Ryu, Dawon Kang
Garlic (Allium sativum) has been used as a medicinal food since ancient times. However, some people are reluctant to ingest raw garlic due to its unpleasant odor and taste. Therefore, many types of garlic preparations have been developed to reduce these attributes without losing biological functions. Aged black garlic (ABG) is a garlic preparation with a sweet and sour taste and no strong odor. It has recently been introduced to Asian markets as a functional food. Extensive in vitro and in vivo studies have demonstrated that ABG has a variety of biological functions such as antioxidant, anti-inflammatory, anti-cancer, anti-obesity, anti-diabetic, anti-allergic, cardioprotective, and hepatoprotective effects...
June 1, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28581834/updates-on-smart-polymeric-carrier-systems-for-protein-delivery
#7
Ibrahim El-Sherbiny, Islam Khalil, Isra Ali, Magdi Yacoub
Smart materials are those materials that are responsive to chemical (organic molecules, chemical agents or specific agents), biochemical (protein, enzymes, growth factors, substrates or ligands), physical (electric field, magnetic field, temperature, pH, ionic strength or radiation) or mechanical (pressure or mechanical stress) signals. These responsive materials interact with the stimuli by changing their properties or conformational structures in a predictable manner. Recently, smart polymers have been utilized in various biomedical applications...
June 21, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28580870/application-of-microfluidic-devices-in-studies-of-thrombosis-and-hemostasis
#8
Changjie Zhang, Sriram Neelamegham
Due to the importance of fluid flow during thrombotic episodes, it is quite appropriate to study clotting and bleeding processes in devices that have well-defined fluid shear environments. Two common devices for applying these defined shear stresses include the cone-and-plate viscometer and parallel-plate flow chamber. While such tools have many salient features, they require large amounts of blood or other protein components. With growth in the area of microfluidics over the last two decades, it has become feasible to miniaturize such flow devices...
June 5, 2017: Platelets
https://www.readbyqxmd.com/read/28579778/iron-oxide-nanoparticles-induce-cytokine-secretion-in-a-complement-dependent-manner-in-a-human-whole-blood-model
#9
Susann Wolf-Grosse, Anne Mari Rokstad, Syed Ali, John D Lambris, Tom E Mollnes, Asbjørn M Nilsen, Jørgen Stenvik
Iron oxide nanoparticles (IONPs) are promising nanomaterials for biomedical applications. However, their inflammatory potential has not been fully established. Here, we used a lepirudin anti-coagulated human whole blood model to evaluate the potential of 10 nm IONPs to activate the complement system and induce cytokine production. Reactive oxygen species and cell death were also assessed. The IONPs activated complement, as measured by C3a, C5a and sC5b-9, and induced the production of pro-inflammatory cytokines in a particle-dose dependent manner, with the strongest response at 10 µg/mL IONPs...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28579115/bleeding-and-thrombosis-associated-with-ventricular-assist-device-therapy
#10
Palak Shah, Udaya S Tantry, Kevin P Bliden, Paul A Gurbel
Over the past decade, continuous-flow rotary pumps have dramatically improved survival for patients with advanced systolic heart failure. Bleeding and thrombosis, however, continue to be the Achilles heel of left ventricular assist device (LVAD) therapy. There is a dynamic and complex interaction between the patient and pump. The net effect of a variety of hematologic derangements, such as hemolysis, high-molecular-weight von Willebrand degradation, platelet activation and diminished pulsatility, is poorly understood...
May 11, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28573250/the-use-of-rheum-palmatum-l-in-the-treatment-of-acute-respiratory-distress-syndrome-a-meta-analysis-of-randomized-controlled-trials
#11
Tie-Zhu Yang, Yan Liu, Yue-Yun Liu, Xiu-Fang Ding, Jia-Xu Chen, Mei-Jing Kou, Xiao-Juan Zou
BACKGROUND: Chinese medicine theory shows that "lung being connected with large intestine", and the modern western medicine also shows that the lung and intestinal tract affect each other in physiological and pathological conditions. If the lung ventilation dysfunction is caused by inflammatory exudate or secretions obstruction of the small airway ventilation, blood gas partial pressure is increased and intestinal gas absorption difficulty may lead to intestinal inflation and dysfunction (Wang N et al...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28554592/progresses-in-understanding-trauma-induced-coagulopathy-and-the-underlying-mechanism
#12
REVIEW
Na Peng, Lei Su
Trauma-induced coagulopathy (TIC) is a clinical syndrome caused by imbalance between clotting, anti-coagulation and fibrinolysis resulting from multiple pathological factors such as hemorrhage and tissue injury in the early stage of trauma, and is closely related to the outcome of trauma patients. It is proved in growing evidence that the endogenous coagulation disturbance in trauma itself is the activating factor of TIC, rather than dilution or other acquired coagulopathy. Therefore, a thorough understanding of the molecular mechanisms in the pathogenesis and progression is crucial for effective prevention and treatment in patients with TIC...
May 10, 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28552872/mononeuritis-multiplex-in-a-patient-with-cutaneous-arteritis-diagnosed-by-skin-biopsy
#13
Kenji Isahaya, Makoto Shiraishi, Keita Tanaka, Rie Sasaki, Tamio Kawakami, Yasuhiro Hasegawa
A 55-year-old man was admitted with paralysis of the left lower leg. He had purpura in the left lower extremity for three years, left calf pain for two years, and dysesthesia in the left plantar region and first toe for one year. A physical examination revealed livedo reticularis on the left leg and mononeuritis multiplex was diagnosed in the bilateral tibial and left peroneal nerve area. Anti-neutrophil cytoplasmic antibody was negative. A nerve conduction study showed decreased amplitude of compound muscle-action potential in the bilateral tibial and the left peroneal nerve, sensory nerve action potential in the bilateral sural nerve...
May 26, 2017: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/28551915/-characteristics-of-large-pericardial-effusion-in-a-well-defined-geographical-region
#14
Moanis Serhan, Ruhi Abdallah, Shaul Atar
BACKGROUND: Pericardial effusion can occur as a result of primary pericardial disease or secondary to systemic disease. Analysis of the features of pericardial effusion in correlation with clinical and demographic findings can help clinicians to determine the correct diagnosis and to choose the appropriate treatment and reduce patient mortality and morbidity. METHODS: Retrospective analysis of the characteristics of pericardial effusion and the prevalence of the different etiologies and their correlation with demographics, clinical characteristics and medical history in 86 patients admitted to Galilee Medical Center from 2001 to 2010 who underwent pericardiocentesis or pericardial window...
May 2017: Harefuah
https://www.readbyqxmd.com/read/28532009/exploring-recent-developments-to-improve-antioxidant-anti-inflammatory-and-antimicrobial-efficacy-of-curcumin-a-review-of-new-trends-and-future-perspectives
#15
REVIEW
Zahid Hussain, Hnin Ei Thu, Muhammad Wahab Amjad, Fahad Hussain, Tarek A Ahmed, Shahzeb Khan
Curcumin derivatives have been well-documented due to their natural antioxidant, antimicrobial and anti-inflammatory activities. Curcuminoids have also gained widespread recognition due to their wide range of other activities which include anti-infective, anti-mutagenic, anticancer, anti-coagulant, antiarthrititc, and wound healing potential. Despite of having a wide range of activities, the inherent physicochemical characteristics (poor water solubility, low bioavailability, chemical instability, photodegradation, rapid metabolism and short half-life) of curcumin derivatives limit their pharmaceutical significance...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28511448/rectus-sheath-haematoma-secondary-to-enoxaparin-injection-a-rare-case-report
#16
Sidharth Agarwal, Yamanur P Lamani, Bhimanagouda V Goudar, Eshwar B Kalburgi, Bheemappa K Bhavi
Rectus sheath haematoma is a well-documented condition with an elusive diagnosis. It is an uncommon complication of anti-coagulation therapy, which can have a mortality of upto 25%. The patient discussed here is a 40-year-old female who was on Inj. Enoxaparin, who developed severe abdominal pain and hypovolemia after three days of treatment. Ultrasonography and CT scan showed a large rectus sheath haematoma on the right side, which was crossing the midline towards the left side. Inj. Enoxaparin was stopped and the patient was posted for surgery...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28499154/mutation-of-the-kunitz-type-proteinase-inhibitor-domain-in-the-amyloid-%C3%AE-protein-precursor-abolishes-its-anti-thrombotic-properties-in-vivo
#17
Feng Xu, Judianne Davis, Michael Hoos, William E Van Nostrand
INTRODUCTION: Kunitz proteinase inhibitor (KPI) domain-containing forms of the amyloid β-protein precursor (AβPP) inhibit cerebral thrombosis. KPI domain-lacking forms of AβPP are abundant in brain. Regions of AβPP other than the KPI domain may also be involved with regulating cerebral thrombosis. To determine the contribution of the KPI domain to the overall function of AβPP in regulating cerebral thrombosis we generated a reactive center mutant that was devoid of anti-thrombotic activity and studied its anti-thrombotic function in vitro and in vivo...
May 4, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28493022/in-vitro-anti-thrombotic-and-anti-coagulant-properties-of-blacklip-abalone-haliotis-rubra-viscera-hydrolysate
#18
Hafiz Ansar Rasul Suleria, Paul P Masci, Rama Addepalli, Wei Chen, Glenda C Gobe, Simone A Osborne
Abalone viscera contain sulphated polysaccharides with anti-thrombotic and anti-coagulant activities. In this study, a hydrolysate was prepared from blacklip abalone (Haliotis rubra) viscera using papain and bromelain and fractionated using ion exchange and size exclusion chromatography. Hydrolysates and fractions were investigated for in vitro thrombin inhibition mediated through heparin cofactor II (HCII) as well as anti-coagulant activity in plasma and whole blood. On the basis of sulphated polysaccharide concentration, the hydrolysate inhibited thrombin through HCII with an inhibitor concentration at 50% (IC50) of 16...
May 11, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28479094/integrating-genotypes-in-the-same-tt2r2-score-for-the-prediction-of-anticoagulation-control-in-chinese-patients-with-atrial-fibrillation-on-warfarin
#19
Jia Liu, Nina Wang, Liuan Qin, Jun Liu, Shaozhi Xi, Xuyun Wang, Xiaoqi Li, Yuxiao Zhang, Tong Yin
INTRODUCTION: The SAMe-TT2R2 score has been proposed to predict whether patients with atrial fibrillation (AF) would be well anti-coagulated with warfarin or not. However, it might over-estimate the number of patients under suboptimal warfarin treatment in non-Caucasians. This study was designed to modify the SAMe-TT2R2 score with genotypes and validate it in Chinese AF patients treated with warfarin. MATERIAL AND METHODS: Consented Chinese-Han patients (n=510) with AF under the treatment of warfarin for at least 3months were randomly divided into a derivation (n=310) and a validation cohort (n=200)...
April 29, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28474867/the-response-of-coagulation-and-anti-coagulant-factors-of-elite-athletes-following-acute-resistance-and-high-intensity-interval-exercises
#20
Sedigheh Karampour, Abbas A Gaeini
BACKGROUND: Blood coagulation and fibrinolysis include two vital physiological systems, which are regulated by a balance between activators and inhibitors. The aim of this study is to survey the response of coagulation and anticoagulant factors following acute resistance and high intensity interval exercises. METHODS: This is an experimental study. The statistical sample was an elite group of karate males (aged 22.10±2.76 years, height 175.80±5.43 cm, mass 74...
April 26, 2017: Journal of Sports Medicine and Physical Fitness
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