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Extravasation

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https://www.readbyqxmd.com/read/29665111/inhibition-of-transient-receptor-potential-vanilloid-4-decreases-the-expressions-of-caveolin-1-and-caveolin-2-after-focal-cerebral-ischemia-and-reperfusion-in-rats
#1
Hui Xie, Wei-Cheng Lu
This study aimed to investigate the effects of transient receptor potential vanilloid 4 (TRPV4) inhibition on blood-brain barrier (BBB) integrity and the expressions of caveolae structural proteins caveolin-1 and caveolin-2 in rats with focal cerebral ischemia and reperfusion. BBB permeability was assessed by Evans blue extravasation. The mRNA and protein expressions of caveolin-1 and caveolin-2 were determined by RT-PCR, Western blot and immunohistochemistry assays. We found that BBB permeability significantly increased and reaches its peak at 72 h of reperfusion in cerebral ischemia-reperfusion rats and is able to be ameliorated by administration of HC-067047, an antagonist of TRPV4...
April 17, 2018: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/29665077/gliovascular-changes-precede-white-matter-damage-and-long-term-disorders-in-juvenile-mild-closed-head-injury
#2
Beatriz Rodriguez-Grande, Andre Obenaus, Aleksandra Ichkova, Justine Aussudre, Thomas Bessy, Elodie Barse, Bassem Hiba, Gwénaëlle Catheline, Grégory Barrière, Jerome Badaut
Traumatic brain injury (TBI) is a leading cause of hospital visits in pediatric patients and often leads to long-term disorders even in cases of mild severity. White matter (WM) alterations are commonly observed in patients months or years after the injury assessed by magnetic resonance imaging (MRI), but little is known about WM pathophysiology early after mild pediatric TBI. To evaluate the status of the gliovascular unit in this context, mild TBI was induced in postnatal-day 17 mice using a closed head injury model with two grades of severity (G1, G2)...
April 17, 2018: Glia
https://www.readbyqxmd.com/read/29664502/hospital-acquired-hyponatremia-does-the-type-of-fluid-therapy-affect-children-admitted-to-intensive-care
#3
Pilar Velasco, Andrés J Alcaraz, Niki Oikonomopoulou, Marina Benito, Raquel Moya, Álvaro Sánchez
INTRODUCTION: The objective of this study was to evaluate the association between the type of initial fluid therapy used (isotonic or hypotonic solutions) and the development of hyponatremia, the plas ma chlorine values and the tolerance of venous access. PATIENTS AND METHOD: Retrospective cohort study in a Pediatric Intensive Care Unit (PICU) of a high complexity hospital. There were included children younger than 15 years old hospitalized during the first semester of 2010 and 2013 who recei ved intravenous maintenance fluid therapy, excluding patients undergoing cardiac surgery, kidney transplant and admissions that lasted less than 24 hours...
February 2018: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/29662732/institutional-review-of-hemorrhagic-pelvic-emergencies-effectively-managed-with-percutaneous-arterial-embolization
#4
Muhammad Azeemuddin, Raza Sayani, Nauman Turab, Syed M Mustahsan, Mohammad Hasan, Dawar B Khan, Fatima Mubarak
OBJECTIVE: Our aim was to review the results of pelvic arterial embolization (PAE) performed in the interventional radiology suite. METHOD: The data of all patients in whom pelvic angioembolization was performed was collected from July 2011 to June 2017. Procedures were performed by an experienced interventional radiologist. The clinical and laboratory data, as well as the outcome data, were obtained from the medical records of our hospital. The following parameters were collected for each patient, including the age, gender, presenting symptoms, site of bleeding, catheters used for embolization, material used for embolization, previous computed tomography (CT) scan and/or focused assessment with sonography for trauma (FAST) ultrasound, average hemoglobin before the procedure, and patient clinical status on discharge...
February 15, 2018: Curēus
https://www.readbyqxmd.com/read/29661969/mutations-in-plasmalemma-vesicle-associated-protein-cause-severe-syndromic-protein-losing-enteropathy
#5
Ilse Julia Broekaert, Kerstin Becker, Ingo Gottschalk, Friederike Körber, Jörg Dötsch, Holger Thiele, Janine Altmüller, Peter Nürnberg, Christoph Hünseler, Sebahattin Cirak
BACKGROUND: Protein-losing enteropathy (PLE) is characterised by gastrointestinal protein leakage due to loss of mucosal integrity or lymphatic abnormalities. PLE can manifest as congenital diarrhoea and should be differentiated from other congenital diarrhoeal disorders. Primary PLEs are genetically heterogeneous and the underlying genetic defects are currently emerging. OBJECTIVES: We report an infant with fatal PLE for whom we aimed to uncover the underlying pathogenic mutation...
April 16, 2018: Journal of Medical Genetics
https://www.readbyqxmd.com/read/29660457/a-lectin-fraction-from-green-seaweed-caulerpa-cupressoides-inhibits-inflammatory-nociception-in-the-temporomandibular-joint-of-rats-dependent-from-peripheral-mechanisms
#6
Renata Line da Conceição Rivanor, Danielle Rocha Do Val, Natássia Albuquerque Ribeiro, Felipe Dantas Silveira, Ellen Lima de Assis, Álvaro Xavier Franco, Lorena Vasconcelos Vieira, Ismael Nilo Lino de Queiroz, Hellíada Vasconcelos Chaves, Mirna Marques Bezerra, Norma Maria Barros Benevides
Temporomandibular disorders are the second most common cause of orofacial pain mediated by inflammatory compounds, which in many cases leads to chronic orofacial pain. This study assessed the antinociceptive and anti-inflammatory effects of a lectin from the green seaweed Caulerpa cupressoides (CcL) on hypernociception inflammatory in TMJ of rats and investigated the involvement of different mechanisms. Rats received i.v. CcL 30 min prior to injection of flogistic agentes or 0.9% saline into the left TMJ...
April 13, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29658436/thrombin-alters-human-endometrial-stromal-cell-differentiation-during-decidualization
#7
Samir N Babayev, Mohammed Kanchwala, Chao Xing, Yucel Akgul, Bruce R Carr, Ruth Ann Word
Vaginal bleeding and subchorionic hematomas are associated with increased risk of both early and late pregnancy loss. Thrombin generation may play a pivotal role in the development of these complications. To determine the effects of thrombin on human endometrial stromal cells (hESCs), cells were treated with thrombin at baseline or during decidualization with cyclic adenosine monophosphate (cAMP)+medroxyprogesterone acetate (MPA). Next-generation RNA sequencing revealed that markers of decidualization (IGF-1, IGFBP-1, and prolactin [PRL]) were induced after the initiation of decidualization, whereas thrombin suppressed insulin-like growth factor ( IGF)-1, Insulin-like growth factor binding protein ( IGFBP)-1, and PRL gene expression at baseline and during decidualization...
January 1, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29657130/the-platelet-lifeline-to-cancer-challenges-and-opportunities
#8
REVIEW
Monika Haemmerle, Rebecca L Stone, David G Menter, Vahid Afshar-Kharghan, Anil K Sood
Besides their function in limiting blood loss and promoting wound healing, experimental evidence has highlighted platelets as active players in all steps of tumorigenesis including tumor growth, tumor cell extravasation, and metastasis. Additionally, thrombocytosis in cancer patients is associated with adverse patient survival. Due to the secretion of large amounts of microparticles and exosomes, platelets are well positioned to coordinate both local and distant tumor-host crosstalk. Here, we present a review of recent discoveries in the field of platelet biology and the role of platelets in cancer progression as well as challenges in targeting platelets for cancer treatment...
March 19, 2018: Cancer Cell
https://www.readbyqxmd.com/read/29656400/pkd-regulates-actin-polymerization-neutrophil-deformability-and-transendothelial-migration-in-response-to-fmlp-and-trauma
#9
Christoph Wille, Tim Eiseler, Sven-Thorben Langenberger, Julia Richter, Kensaku Mizuno, Peter Radermacher, Uwe Knippschild, Markus Huber-Lang, Thomas Seufferlein, Stephan Paschke
Neutrophils are important mediators of the innate immune defense and of the host response to a physical trauma. Because aberrant infiltration of injured sites by neutrophils was shown to cause adverse effects after trauma, we investigated how neutrophil infiltration could be modulated at the cellular level. Our data indicate that protein kinase D (PKD) is a vital regulator of neutrophil transmigration. PKD phosphorylates the Cofilin-phosphatase Slingshot-2L (SSH-2L). SSH-2L in turn dynamically regulates Cofilin activity and actin polymerization in response to a chemotactic stimulus for neutrophils, for example, fMLP...
April 14, 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29655907/improving-the-visibility-of-intravenous-iv-site-in-pediatric-patients-to-reduce-iv-site-related-complications-an-evidence-based-utilization-project
#10
Eunice Ya Ping Lim, Cassandra Yuit Wah Wong, Lay Kee Kek, Siti Suhaila Binte Mohd Suhairi, Wai Kin Yip
PURPOSE: This project aims to improve the visibility of the IV site using more adhesive transparent dressings to attain 90% compliance based on the frequent and proper inspection of the IV site and decrease the incidence of IV complications. DESIGN AND METHOD: The project was conducted in a 43-bedded general pediatric ward from March 2016 to February 2017. To address the poor visibility of the IV site due to bandaging caused by poor adhesive strength of the IV securement dressing, a more adhesive securement dressing was introduced...
April 11, 2018: Journal of Pediatric Nursing
https://www.readbyqxmd.com/read/29650847/-a-case-of-adult-undifferentiated-sarcoma-of-the-liver-with-intraatrial-metastasis
#11
Koji Minami, Masahiko Sakoda, Satoshi Iino, Kiyokazu Hiwatashi, Kosei Maemura, Yuko Mataki, Hiroshi Kurahara, Yota Kawasaki, Yusuke Tsuruda, Tetsuro Setoyama, Hiroshi Okumura, Shigeho Maenohara, Shoji Natsugoe
A 24-year-old woman was admitted to the hospital for abdominal pain. Abdominal contrast-enhanced computed tomography( CT)revealed a cystic mass measuring 11×8 cm in the left lobe of the liver with extravasation. Vascular embolization was performed, but extravasation remained on CT images. She was then transferred to our hospital. We performed an emergency extended left hepatectomy. Histopathological examination revealed solid proliferation of spindle-shaped cells. Immunohistochemical staining showed that the tumor cells were positive for vimentin and negative for AE1/AE3...
April 2018: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29644869/pearls-and-pitfalls-in-imaging-of-blunt-traumatic-thoracic-aortic-injury-a-pictorial-review
#12
Neeral R Patel, Elizabeth Dick, Nicola Batrick, Michael Jenkins, Elika Kashef
Blunt thoracic aortic injury (TAI) occurs most frequently as a sequelae of high impact deceleration such as high velocity road traffic accidents and falls from height. The burden of mortality and morbidity is high, however advances in pre-hospital care, diagnostic imaging and endovascular therapies have improved outcomes in this group of patients. Emergent treatment depends on accurate, early diagnosis by the radiologist. It is therefore of paramount importance that radiologists are familiar with both the direct (intimal flap, pseudoaneurysm, aortic contour irregularity and contrast extravasation) and indirect (periaortic haematoma) imaging findings of TAI...
April 12, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29643629/intraoperative-neurophysiological-monitoring-team-s-communiqu%C3%A3-with-anesthesia-professionals
#13
Anurag Tewari, Lisa Francis, Ravi N Samy, Dean C Kurth, Joshua Castle, Tiffany Frye, Mohamed Mahmoud
Background and Aims: Intraoperative neurophysiological monitoring (IONM) is the standard of care during many spinal, vascular, and intracranial surgeries. High-quality perioperative care requires the communication and cooperation of several multidisciplinary teams. One of these multidisciplinary services is intraoperative neuromonitoring (IONM), while other teams represent anesthesia and surgery. Few studies have investigated the IONM team's objective communication with anesthesia providers...
January 2018: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/29629429/il-33-drives-monocyte-recruitment-to-lung-interstitium-through-chemokine-upregulation
#14
Melissa Y Tjota, Daniel F Camacho, Heth R Turnquist, Anne I Sperling
Tissue infiltration by circulating monocytes is a critical step in the initiation and augmentation of type 2 inflammatory responses in the lungs. Our studies demonstrate that IL-33-/- mice have a defect in monocyte extravasation from the vasculature to the lung interstitium during induction of type 2 inflammatory responses. This result suggests that monocyte migration to the lungs is IL-33 dependent, and we found that administration of exogenous recombinant IL-33 is sufficient to restore monocyte localization to the lung interstitium...
August 1, 2017: ImmunoHorizons
https://www.readbyqxmd.com/read/29623978/in-vitro-elucidation-of-the-role-of-pericellular-matrix-in-metastatic-extravasation-and-invasion-of-breast-carcinoma-cells
#15
Marie-Elena Brett, Heather E Bomberger, Geneva R Doak, Matthew A Price, James B McCarthy, David K Wood
Numerous studies have demonstrated the importance of altered hyaluronan metabolism to malignant progression of multiple tumor types, including breast carcinomas. Increased hyaluronan (HA) metabolism in the stroma of primary tumors promotes activation of oncogenic signaling pathways that impact tumor initiation, growth, and invasion. Carcinoma cell synthesis and assembly of HA-rich pericellular matrices induces a stromal-independent phenotype, which is associated with cancer progression. Although the pro-tumorigenic role of stromal HA is well established, a novel but unexplored hypothesis is that carcinoma cell-associated HA pericellular matrices promote metastasis of circulating tumor cells...
April 6, 2018: Integrative Biology: Quantitative Biosciences From Nano to Macro
https://www.readbyqxmd.com/read/29623930/-in-vivo-observation-of-cerebral-microcirculation-after-experimental-subarachnoid-hemorrhage-in-mice
#16
Xiao-Mei Yang, Xu-Hao Chen, Jian-Fei Lu, Chang-Man Zhou, Jing-Yan Han, Chun-Hua Chen
Acute brain injury caused by subarachnoid hemorrhage is the major cause of poor prognosis. The pathology of subarachnoid hemorrhage likely involves major morphological changes in the microcirculation. However, previous studies primarily used fixed tissue or delayed injury models. Therefore, in the present study, we used in vivo imaging to observe the dynamic changes in cerebral microcirculation after subarachnoid hemorrhage. Subarachnoid hemorrhage was induced by perforation of the bifurcation of the middle cerebral and anterior cerebral arteries in male C57/BL6 mice...
March 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29621161/oral-and-intravenous-fumonisin-exposure-in-pigs-a-single-dose-treatment-experiment-evaluating-toxicokinetics-and-detoxification
#17
Hanna Schertz, Jeannette Kluess, Jana Frahm, Dian Schatzmayr, Ilse Dohnal, Gerlinde Bichl, Heidi Schwartz-Zimmermann, Gerhard Breves, Sven Dänicke
We examined the toxicokinetics of fumonisin B₁ (FB1) and its main metabolites after single dose application intravenously ( iv ) of 139 nmol FB1 or hydrolyzed FB1 (HFB1)/kg bodyweight (BW) in barrows (BW: 34.4 kg ± 2.7 kg), as well as the toxicokinetics of FB1, FB2, FB3 and FB1 bioavailability from oral exposure (3425 nmol FB1/kg BW, on top of ration). Additionally, detoxification efficacy of FumD (240 U/kg feed; 3321 nmol FB1/kg BW), a fumonisin esterase, was examined for oral fumonisin application. Urine and feces were collected quantitatively and serum samples were taken over a period of 120 h...
April 5, 2018: Toxins
https://www.readbyqxmd.com/read/29616352/efast-for-the-diagnosis-of-a-perioperative-complication-during-percutaneous-nephrolithotomy
#18
Achyut Sharma, Prajjwal Bhattarai, Apurb Sharma
A 29-year-old patient with normal preanesthetic evaluation was planned for percutaneous nephrolithotomy (PCNL) for right nephrolithiasis with right pyelolithiasis. Surgery was performed under general anesthesia with endotracheal intubation with muscle relaxation. At the conclusion of surgery, when the patient was turned over to supine position, tense abdomen was noted. Immediately extended focused assessment with sonography in trauma (eFAST) was done in which both right and left quadrants of abdomen including pericardial and suprapubic region, right and left thoracic, and both lung basis were examined...
April 3, 2018: Critical Ultrasound Journal
https://www.readbyqxmd.com/read/29611786/extravasation-injury-leading-to-acute-compartment-syndrome-in-a-child-the-vital-role-of-pulse-oximetry-in-early-detection-and-management
#19
Daniel Rodger, Jacinda Hammerschlag
Acute compartment syndrome as a result of an extravasation injury is rare. The perioperative environment presents a unique risk that may contribute to more serious patient outcomes. Using a case study approach we report that the placement of a pulse oximeter on the cannulated limb can provide the first sign of vascular compromise.
April 2018: Journal of Perioperative Practice
https://www.readbyqxmd.com/read/29607847/bilateral-congenital-mucous-extravasation-phenomenon-a-rare-case-with-literature-review
#20
Hitesh Chander Mittal, Sunil Yadav, Sunita Malik, Monika Breta
The purpose of this paper is to discuss a rare case of bilateral congenital mucous extravasation phenomenon on buccal mucosa near commissure of mouth. The lesions were noted at birth, subsequently enlarged to interfere with feeding. The lesion frequently ruptured, regressed, and again enlarged to interfere with normal function. The lesions were surgically removed under general anesthesia at 11 months of age and the diagnosis was confirmed by histopathological examination. Postoperative follow-up after 14 months showed no recurrence...
January 2018: Journal of the Indian Society of Pedodontics and Preventive Dentistry
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