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https://www.readbyqxmd.com/read/29683435/phospholipid-signaling-in-innate-immune-cells
#1
Valerie B O'Donnell, Jamie Rossjohn, Michael Jo Wakelam
Phospholipids comprise a large body of lipids that define cells and organelles by forming membrane structures. Importantly, their complex metabolism represents a highly controlled cellular signaling network that is essential for mounting an effective innate immune response. Phospholipids in innate cells are subject to dynamic regulation by enzymes, whose activities are highly responsive to activation status. Along with their metabolic products, they regulate multiple aspects of innate immune cell biology, including shape change, aggregation, blood clotting, and degranulation...
April 23, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29682380/lung-middle-lobe-laceration-needing-lobectomy-as-complication-of-nuss-bar-removal
#2
Brice Henry, Valérie Lacroix, Thierry Pirotte, Pierre-Louis Docquier
Minimally invasive procedure for the treatment of pectus excavatum as described by Nuss has been used from 1987. The bar initially introduced blindly is now introduced under thoracoscopic control to increase safety of the procedure. It is usually removed two to three years after its insertion in a one-day procedure. Complications of the bar removal are rare but potentially serious. We report the case of a serious complication which occurred immediately after the Nuss bar removal. A 15-year-old boy underwent a Nuss procedure for a severe pectus excavatum without relevant complication...
2018: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/29681929/efficacy-and-safety-of-argon-plasma-coagulation-for-hemorrhagic-chronic-radiation-proctopathy-a-systematic-review
#3
REVIEW
Yanan Peng, Haizhou Wang, Juerong Feng, Shilin Fang, Meng Zhang, Fan Wang, Ying Chang, Xianyan Shi, Qiu Zhao, Jing Liu
Hemorrhagic chronic radiation proctopathy (CRP) is a common complication after pelvic radiotherapy in patients with prostate or gynecological cancers. This systematic review was conducted to evaluate the efficacy and safety of argon plasma coagulation (APC) in treating hemorrhagic CRP. The databases of PubMed, Embase, and Cochrane Library were searched for related studies from inception to July 2017. Finally, 33 studies were identified with a total of 821 hemorrhagic CRP patients. After APC treatment, hemoglobin levels increased from 7...
2018: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/29681479/full-pulpotomy-with-biodentine-in-symptomatic-young-permanent-teeth-with-carious-exposure
#4
Nessrin A Taha, Sakhaa Z Abdulkhader
INTRODUCTION: This prospective study evaluated the outcome of Biodentine (Septodont, Saint Maur des Fosses, France) pulpotomy in young permanent teeth with carious exposure. METHODS: Twenty permanent molar teeth in 14 patients with carious pulp exposure were treated with Biodentine pulpotomy. The age of the patients ranged from 9-17 years (12.3 ± 2.7 years). A preoperative pulpal and periapical diagnosis was established. After informed consent, the tooth was anesthetized, isolated via a dental dam, and disinfected with 5% sodium hypochlorite before caries excavation...
April 19, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29681408/manta-versus-proglide-vascular-closure-devices-in-transfemoral-transcatheter-aortic-valve-implantation
#5
Fausto Biancari, Hannu Romppanen, Mikko Savontaus, Antti Siljander, Timo Mäkikallio, Olli-Pekka Piira, Jarkko Piuhola, Viivi Vilkki, Antti Ylitalo, Tuija Vasankari, Juhani K E Airaksinen, Matti Niemelä
BACKGROUND: The MANTA system is a novel vascular closure device (VCD) and its safety and efficacy were compared to the ProGlide VCD in patients undergoing transfemoral transcatheter aortic valve implantation (TAVI). METHODS: This is a retrospective study including 222 patients who underwent transfemoral TAVI at three Finnish University Hospitals. The MANTA VCD was used in 107 patients and their outcome was compared with that of 115 patients in whom the arterial access was closed with the ProGlide VCD...
April 14, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29680102/what-impact-does-venous-thromboembolism-and-bleeding-have-on-cancer-patients-quality-of-life
#6
Andrew J Lloyd, Sarah Dewilde, Simon Noble, Elisabeth Reimer, Agnes Y Y Lee
BACKGROUND: Venous thromboembolism (VTE) is common in cancer patients and its treatment is associated with a high risk of recurrent VTE (rVTE) and bleeding. OBJECTIVES: To analyze data from the Comparison of Acute Treatments in Cancer Hemostasis (CATCH) trial to describe the impact of rVTE and bleeding events on health-related quality of life. METHODS: The three-level EuroQol five-dimensional questionnaire (EQ-5D) data were collected monthly for up to 7 months in patients starting anticoagulation for newly diagnosed VTE...
April 2018: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/29679324/controlling-fibrin-network-morphology-polymerization-and-degradation-dynamics-in-fibrin-gels-for-promoting-tissue-repair
#7
Erin P Sproul, Riley T Hannan, Ashley C Brown
Fibrin is an integral part of the clotting cascade and is formed by polymerization of the soluble plasma protein fibrinogen. Following stimulation of the coagulation cascade, thrombin activates fibrinogen, which binds to adjacent fibrin(ogen) molecules resulting in the formation of an insoluble fibrin matrix. This fibrin network is the primary protein component in clots and subsequently provides a scaffold for infiltrating cells during tissue repair. Due to its role in hemostasis and tissue repair, fibrin has been used extensively as a tissue sealant...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29678650/femoseal%C3%A2-device-use-for-femoral-artery-closure-by-different-techniques
#8
Roberto Gabrielli, Maria Sofia Rosati, Massiliano Millarelli, Angelica Dante, Maurizio Maiorano, Aldo Musilli, Roberto Chiappa, Marco Ventura
BACKGROUND: Common femoral artery is still the most frequently site used for vascular access, mostly for peripheral arterial interventions and its puncture remains a significant source of patient's morbidity. Manual compression (MC) has been the gold standard for hemostasis after femoral catheterization until recently, but only in the last few years, vascular closure devices (VCDs) are replacing MC due to their rapid development. Nowadays also vascular surgeons are becoming familiar with VCDs...
April 17, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29676869/-coexistence-of-a-disc-herniation-and-psoas-hematoma-revealed-by-l3-deficiency
#9
J S Bemora, M Labidi, P Marijon, S Bouazza, N Aldahak, S Froelich
Radiculopathy is a constellation of symptoms secondary to a pathology affecting the nerve root, the most frequent cause of which is a herniated intervertebral disc. We report a case of a 58-year-old man under anticoagulant admitted to the neurosurgery department of Lariboisière hospital (Paris) for an L3 motor deficit that occurred progressively over a period of 24 hours with an L3-L4 disc herniation on the MRI. However, a psoas hematoma was also noted. Biological assessments revealed a hemostasis disorder...
April 2018: Revue Médicale de Liège
https://www.readbyqxmd.com/read/29675355/optical-coherence-tomography-angiography-monitors-human-cutaneous-wound-healing-over-time
#10
Anthony J Deegan, Wendy Wang, Shaojie Men, Yuandong Li, Shaozhen Song, Jingjiang Xu, Ruikang K Wang
Background: In vivo imaging of the complex cascade of events known to be pivotal elements in the healing of cutaneous wounds is a difficult but essential task. Current techniques are highly invasive, or lack the level of vascular and structural detail required for accurate evaluation, monitoring and treatment. We aimed to use an advanced optical coherence tomography (OCT)-based angiography (OCTA) technique for the non-invasive, high resolution imaging of cutaneous wound healing. Methods: We used a clinical prototype OCTA to image, identify and track key vascular and structural adaptations known to occur throughout the healing process...
March 2018: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/29674495/platelet-munc13-4-regulates-hemostasis-thrombosis-and-airway-inflammation
#11
Eduardo I Cardenas, Keegan Breaux, Qi Da, Jose R Flores, Marco A Ramos, Michael J Tuvim, Alan R Burns, Rolando E Rumbaut, Roberto Adachi
Platelet degranulation is crucial for hemostasis and may participate in inflammation. Exocytosis in platelets is mediated by SNARE proteins and should be controlled by Munc13 proteins. We found that platelets express Munc13-2 and -4. We assessed platelet granule exocytosis in Munc13-2 and -4 global and conditional KO mice, and observed that deletion of Munc13-4 ablates dense granule release and indirectly impairs alpha granule exocytosis. We found no exocytic role for Munc13-2 in platelets, not even in the absence of Munc13-4...
April 19, 2018: Haematologica
https://www.readbyqxmd.com/read/29672291/initial-management-of-colonic-diverticular-bleeding-observational-study
#12
Michiko Wada, Motohiko Kato, Yuichiro Hirai, Yoko Kubosawa, Yukie Sunata, Keiichiro Abe, Tetsu Hirata, Yoshiaki Takada, Shigeo Banno, Yusaku Takatori, Satoshi Kinoshita, Hideki Mori, Kaoru Takabayashi, Miho Kikuchi, Masahiro Kikuchi, Masayuki Suzuki, Takanori Kanai, Toshio Uraoka
BACKGROUND/AIMS: Although colonic diverticular bleeding (CDB) often ceases spontaneously, re-bleeding occurs in about 30%. Bleeding diverticulum can be treated directly by endoscopic hemostasis; however, it is difficult to perform colonoscopy in all cases with limited medical resource and certain risks. The aim of this study was to clarify who should undergo colonoscopy as well as appropriate methods of initial management in CDB patients. METHODS: A total of 285 patients who were diagnosed as CDB and underwent colonoscopy from March 2004 to October 2015 were retrospectively analyzed...
April 19, 2018: Digestion
https://www.readbyqxmd.com/read/29671058/transcatheter-arterial-embolization-for-bleeding-peptic-ulcers-a-multicenter-study
#13
Stavros Spiliopoulos, Riccardo Inchingolo, Pierleone Lucatelli, Roberto Iezzi, Athanasios Diamantopoulos, Alessandro Posa, Bryan Barry, Carmelo Ricci, Marco Cini, Chrysostomos Konstantos, Konstantinos Palialexis, Lazaros Reppas, Artemis Trikola, Michele Nardella, Andreas Adam, Elias Brountzos
PURPOSE: To investigate the outcomes of transcatheter arterial embolization (TAE) for the treatment of peptic ulcer bleeding (PUB). MATERIALS AND METHODS: This is a retrospective, multicenter study, which investigated all patients who underwent TAE for the treatment of severe upper gastrointestinal hemorrhage from peptic ulcers in five European centers, between January 1, 2012 and May 1, 2017. All patients had undergone failed endoscopic hemostasis. Forty-four patients (male; mean age 74...
April 18, 2018: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/29670887/the-role-of-platelet-microparticle-associated-micrornas-in-cellular-crosstalk
#14
Luoxing Xia, Zhi Zeng, Wai Ho Tang
Platelet is an anucleate cell containing abundant messenger RNAs and microRNAs (miRNAs), and their functional roles in hemostasis and inflammation remain elusive. Accumulating evidence has suggested that platelets can actively transfer RNAs to hepatocytes, vascular cells, macrophages, and tumor cells. The incorporated mRNAs are translated into proteins, and miRNAs were found to regulate the gene expression, resulting in the functional change of the recipient cells. This novel intercellular communication opens up a new avenue for the pathophysiological role of platelet in platelet-associated vascular diseases...
2018: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/29669506/mutations-and-common-polymorphisms-in-adamts13-and-vwf-genes-responsible-for-increasing-risk-of-thrombosis
#15
Habib Haybar, Elahe Khodadi, Maria Kavianpour, Najmaldin Saki
BACKGROUND AND OBJECTIVE: ADAMTS13 (A Disintegrin-like and Metalloproteases with Thrombospondin type-1 repeats, member-13) plays an important role in vascular hemostasis by cleaving the von Willebrand Factor (vWF). ADAMTS13 and vWF are involved in the development of ischemic heart disease. In this review paper, we examine the effects of single nucleotide polymorphisms (SNPs) and mutations in the vWF and ADAMTS13 genes and their contribution to the development of thrombosis. METHODS: Relevant English-language literature were searched and retrieved from PubMed search engine (2001-2017)...
April 18, 2018: Cardiovascular & Hematological Disorders Drug Targets
https://www.readbyqxmd.com/read/29668440/towards-harmonization-of-external-quality-assessment-proficiency-testing-in-hemostasis
#16
Emmanuel J Favaloro, Ian Jennings, John Olson, Elizabeth M Van Cott, Roslyn Bonar, Robert Gosselin, Piet Meijer
Quality in diagnostic testing represents a key target of laboratory medicine, for which an assurance around the quality of testing is expected from all involved in the process. Laboratories attempt to assure the quality of their testing by various processes, but especially by performance of internal quality control and external quality assessment (EQA). This is especially true for tests of hemostasis and coagulation. EQA in general provides information on test accuracy and on evaluation of long-term laboratory performance...
April 18, 2018: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29667848/transarterial-embolization-for-postpartum-hemorrhage-lessons-learned
#17
Chen-Ju Fu, Wiwan Irama, Yon-Cheong Wong, Hsiao-Jung Tseng, Li-Jen Wang, Kee-Min Yeow, Cheng-Hsien Wu
Background Although transarterial embolization (TAE) can powerfully control postpartum hemorrhage (PPH), clinical failure of TAE is not uncommon. Purpose To discover whether any parameters could predict timely clinical failure of TAE, then whether a supplementary intervention could be promptly initiated. Material and Methods We retrospectively analyzed 118 TAE procedures in 113 patients with PPH performed at our institution between January 2012 and May 2015. The patients were divided into the following groups: clinically successful TAE and failed TAE...
January 1, 2018: Acta Radiologica
https://www.readbyqxmd.com/read/29667548/flavonoids-and-platelet-derived-thrombotic-disorders
#18
Jose J Lopez, Mohammed El Haouari, Isaac Jardin, Nieves Alonso, Sergio Regodon, Raquel Diez Bello, Pedro Cosme Redondo, Juan A Rosado
Thrombotic disorders are characterized by an increase in the probability of the formation of unnecessary thrombi that might be due to the activation of the coagulation cascade or the circulating platelets. Platelets or thrombocytes play an essential role in hemostasis but abnormal platelet function leads to the development of a number of cardiovascular complications, including thrombotic disorders. Under pathological conditions, platelets are associated with the development of different thrombotic disorders, including atherosclerosis, arterial thrombosis and stroke, deep venous thrombosis and pulmonary embolism; therefore, platelets are the target of a number of anti-thrombotic strategies...
April 17, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29667397/asymmetric-synthesis-of-silanediol-inhibitors-for-the-serine-protease-coagulation-cascade-enzyme-fxia
#19
Hoan Quoc Duong, Scott McN Sieburth
Silanediol peptidomimetics have been prepared, designed to inhibit the serine protease enzyme Factor XIa (FXIa) for treatment of thrombosis without complete interruption of normal hemostasis. These Arg-[Si]-Ala analogs of the FXIa substrate (FIX) are the first silanediol dipeptide analogs to carry a basic guanidine group. Control of stereochemistry was accomplished using catalytic asymmetric hydrosilylation and addition of a silyllithium intermediate to the Davis-Ellman sulfinimine.
April 18, 2018: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/29667233/ankaferd-blood-stopper-as-a-new-strategy-to-avoid-early-complications-after-transradial-procedures-a-randomized-clinical-trial
#20
Sevket Gorgulu, Tugrul Norgaz, Ilke Sipahi
BACKGROUND: We planned a three arm randomized study to evaluate the safety and efficacy of a new blood stopper, Ankaferd blood stopper (ABS) along with short-time compression, compared to either short-time compression with conventional sterile gauzes (CSG) or with a TR band after transradial (TRA) procedures. METHODS: The Ankaferd blood stopper as a new strategy to avoid early complications. After transradial procedures (ABS transradial) trial is designed in a prospective, randomized, placebo-controlled fashion and registered with http://clinicaltrials...
April 17, 2018: Journal of Interventional Cardiology
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