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https://www.readbyqxmd.com/read/29763987/hemodialysis-catheter-associated-fibrin-sheath-in-a-dog
#1
Cathy E Langston, Adam E Eatroff
OBJECTIVE: To describe an intravascular fibrin sheath associated with a hemodialysis catheter in a dog. CASE SUMMARY: A 4-year-old dog presented for hemodialysis to treat acute kidney injury. Hemodialysis catheter dysfunction during the course of treatment was temporarily alleviated using a tissue plasminogen activator. A thrombus composed of fibrin and granulation tissue creating a sheath around the catheter and focally adherent to the vessel wall was identified on postmortem evaluation...
May 15, 2018: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/29763577/comparison-of-the-regenerative-effects-of-platelet-rich-fibrin-and-plasma-rich-in-growth-factors-on-injured-peripheral-nerve-an-experimental-study
#2
Damla Torul, Mehmet Cihan Bereket, Mehmet Emin Onger, Gamze Altun
PURPOSE: The aim of this study was to investigate the effects of platelet-rich fibrin (PRF) and plasma rich in growth factors (PRGF) on peripheral nerve injury in the early period of healing. MATERIAL AND METHODS: Thirty Wistar albino rats were used in this study. Rats were divided into control (C), damaged (D), PRF, and PRGF groups. The left sciatic nerves of each group were identified as group C. Crush-type injury was performed on the right sciatic nerves of the D, PRF, and PRGF groups...
April 20, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29580794/intra-arterial-fibrinous-sheath-development-as-a-potential-complication-of-the-impella-ventricular-assist-device
#3
Enrique Pantin, Alexander Kahan, Chiricolo Antonio, Levin Danielle, George Batsides, Denes Papp
No abstract text is available yet for this article.
February 26, 2018: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29483375/minimally-invasive-surgery-for-salvage-of-malfunctioning-peritoneal-dialysis-catheters
#4
Hrishikesh P Salgaonkar, Ramya Ranjan Behera, Pradeep Chandra Sharma, Avinash Katara, Deepraj S Bhandarkar
Background: Malfunction of continuous ambulatory peritoneal dialysis (CAPD) catheters is a frequent complication and has traditionally been treated with a laparotomy. We present our experience with minimally invasive surgical (laparoscopic and thoracoscopic) salvage of CAPD catheters. Materials and Methods: Between October 2003 and June 2013, 19 patients (13 males and 6 females with a mean age of 37 years [range 28-64]) underwent minimally invasive laparoscopic salvage of malfunctioning CAPD catheters...
February 27, 2018: Journal of Minimal Access Surgery
https://www.readbyqxmd.com/read/29468155/a-low-cost-implantation-model-in-the-rat-that-allows-a-spatial-assessment-of-angiogenesis
#5
Paul Slezak, Cyrill Slezak, Joachim Hartinger, Andreas Herbert Teuschl, Sylvia Nürnberger, Heinz Redl, Rainer Mittermayr
There is continual demand for animal models that allow a quantitative assessment of angiogenic properties of biomaterials, therapies, and pharmaceuticals. In its simplest form, this is done by subcutaneous material implantation and subsequent vessel counting which usually omits spatial data. We have refined an implantation model and paired it with a computational analytic routine which outputs not only vessel count but also vessel density, distribution, and vessel penetration depth, that relies on a centric vessel as a reference point...
2018: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/29284978/successful-surgical-management-of-palatogingival-groove-using-platelet-rich-fibrin-and-guided-tissue-regeneration-a-novel-approach
#6
J V Karunakaran, Susan Mathew Fenn, N Jayaprakash, N Ragavendran
Palatogingival groove also known as radicularlingual groove is a developmental anomaly involving the lingual surface of the maxillary incisors. They are inconspicuous, funnel-shaped, extend for varying distances on root surface and occur due to infolding of the hertwigs epithelial root sheath. This encourages adherence of microorganisms and plaque to levels significant for pathological changes resulting in endodontic and periodontal lesions. The variations in anatomy of the tooth as a cause of pulp necrosis in teeth of anterior maxillary segment should be considered by the clinician when other etiological factors are ruled out...
November 2017: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/29106711/interventions-for-treating-central-venous-haemodialysis-catheter-malfunction
#7
REVIEW
Alice L Kennard, Giles D Walters, Simon H Jiang, Girish S Talaulikar
BACKGROUND: Adequate haemodialysis (HD) in people with end-stage kidney disease (ESKD) is reliant upon establishment of vascular access, which may consist of arteriovenous fistula, arteriovenous graft, or central venous catheters (CVC). Although discouraged due to high rates of infectious and thrombotic complications as well as technical issues that limit their life span, CVC have the significant advantage of being immediately usable and are the only means of vascular access in a significant number of patients...
October 26, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28846931/stimulation-of-morphofunctional-repair-of-the-facial-nerve-with-photobiomodulation-using-the-end-to-side-technique-or-a-new-heterologous-fibrin-sealant
#8
Marcelie Priscila de Oliveira Rosso, Geraldo Marco Rosa Júnior, Daniela Vieira Buchaim, Iris Jasmin Santos German, Karina Torres Pomini, Rafael Gomes de Souza, Mizael Pereira, Idvaldo Aparecido Favaretto Júnior, Cleuber Rodrigo de Souza Bueno, Jéssica Barbosa de Oliveira Gonçalves, Rui Seabra Ferreira Júnior, Benedito Barraviera, Jesus Carlos Andreo, Rogério Leone Buchaim
This research evaluated the influence of Photobiomodulation Therapy (PBMT) on lesions of the facial nerve repaired with the end-to-side technique or coaptation with a new heterologous fibrin sealant. Thirty-two Wistar rats were separated into 5 groups: Control group (CG), where the buccal branch of the facial nerve was collected; Experimental Suture Group (ESG) and Experimental Fibrin Group (EFG), in which the buccal branch was end-to-side sutured to the zygomatic branch on the right side of the face or coaptated with fibrin sealant on the left side; Experimental Suture Laser Group (ESLG) and Experimental Fibrin Laser Group (EFLG), in which the same procedures were performed as the ESG and EFG, associated with PBMT (wavelength of 830nm, energy density 6...
August 18, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28744885/water-infused-surface-protection-as-an-active-mechanism-for-fibrin-sheath-prevention-in-central-venous-catheters
#9
David W Sutherland, Xin Zhang, Joseph L Charest
Protein adhesion in central venous catheters (CVCs) leads to fibrin sheath formation, the precursor to thrombotic and biofilm-related CVC failures. Advances in material properties and surface coatings do not completely prevent fibrin sheath formation and post-formation treatment options are limited and expensive. We propose water infused surface protection (WISP), an active method for prevention of fibrin sheath formation on CVCs, which creates a blood-free boundary layer on the inner surface of the CVC, limiting blood contact with the CVC lumen wall...
July 26, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28658104/thrombotic-complications-and-tip-position-of-transjugular-chronic-dialysis-catheter-scheduled-into-superior-vena-cava-findings-on-hr-mrcp-and-hr-t2wi
#10
Whenzheng Li, Fang Li, He Wang, Xueying Long, Obin Ghimire, Yigang Pei, Xiangcheng Xiao, Jianping Ning
BACKGROUND: Catheter-related thrombotic complications(TCs) can occur during the long term use of a chronic dialysis catheter (CDC), including fibrin sheath (FS), mural thrombosis (MT), venous thrombosis (VT), and intraluminal clots (IC), which has not been reported with MRI. The aim of our study was to evaluate the determination of catheter tip position (TP) and resolution of TCs in patients with transjugular CDC scheduled into the superior vena cava using high resolution magnetic resonance cholangiopancreatography (HR-MRCP) and T2-weighted imaging (HR-T2WI)...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28657463/transplantation-of-human-dental-pulp-derived-stem-cells-or-differentiated-neuronal-cells-from-human-dental-pulp-derived-stem-cells-identically-enhances-regeneration-of-the-injured-peripheral-nerve
#11
Imran Ullah, Ju-Mi Park, Young-Hoon Kang, June-Ho Byun, Dae-Geon Kim, Joo-Heon Kim, Dong-Ho Kang, Gyu-Jin Rho, Bong-Wook Park
Human dental mesenchymal stem cells isolated from the dental follicle, pulp, and root apical papilla of extracted wisdom teeth have been known to exhibit successful and potent neurogenic differentiation capacity. In particular, human dental pulp-derived stem cells (hDPSCs) stand out as the most prominent source for in vitro neuronal differentiation. In this study, to evaluate the in vivo peripheral nerve regeneration potential of hDPSCs and differentiated neuronal cells from DPSCs (DF-DPSCs), a total of 1 × 10(6) hDPSCs or DF-hDPSCs labeled with PKH26 tracking dye and supplemented with fibrin glue scaffold and collagen tubulization were transplanted into the sciatic nerve resection (5-mm gap) of rat models...
July 25, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28443287/brachial-approach-as-an-alternative-technique-of-fibrin-sheath-removal-for-implanted-venous-access-devices
#12
Charalampos Sotiriadis, Steven David Hajdu, Francesco Doenz, Salah D Qanadli
Implanted venous access device (IVAD) late dysfunction is commonly caused by fibrin sheath formation. The standard method of endovascular fibrin sheath removal is performed via the femoral vein. However, it is not always technically feasible and sometimes contraindicated. Moreover, approximately 4-6 h of bed rest is necessary after the procedure. In this article, we describe an alternative method of fibrin sheath removal using the brachial vein approach in a young woman receiving chemotherapy for breast cancer...
2017: Frontiers in Surgery
https://www.readbyqxmd.com/read/28430316/patient-with-a-retained-fibrin-sheath-echocardiography-and-chest-computed-tomography-findings
#13
Shokoufeh Hajsadeghi, Mahboubeh Pazoki, Alireza Azizahari, Aida Iranpour, Farzad Dashti
No abstract text is available yet for this article.
July 14, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28420633/fibrin-sheath-associated-endovascular-infection-of-the-heart-the-trojan-horse-of-indwelling-central-venous-catheters
#14
Muhammad Adil Sheikh, Mohamed Shokr, Walid Ibrahim, Shaun Cardozo
Chronic indwelling central venous catheters can result in formation of fibrin sheaths increasing risk of occlusion, thrombosis and infection. Endovascular infection of right-sided heart structures induced by such sheaths is very rare. A 48-year-old woman with end-stage renal disease initially treated for diabetic ketoacidosis developed persistent Staphylococcus epidermidis bacteraemia without an identifiable source. Although transthoracic echocardiography was unremarkable, transoesophageal echocardiography revealed a fibrin sheath and vegetations in superior vena cava-right atrium junction, which was the site of the tip of a central catheter that had been removed 2 months prior, consistent with fibrin sheath-associated endovascular infection...
April 17, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28270941/a-lip-lump-an-unexpected-histological-diagnosis-of-a-lip-schwannoma
#15
Thomas Haigh, John Raad Glore, David Gouldesbrough, Winson Wong
Schwannomas are benign nerve sheath tumours arising from Schwann cells. They comprise 1% of all benign tumours. In the 2016 World Health Organisation Classification of Central Nervous System, they are classified as a tumour of the cranial and paraspinal nerves, Schwannoma 9560/0. A 23-year-old Caucasian lady presented with a seven-month history of a painless right upper lip lump. Examination revealed a small cystic 0.5 cm diameter lesion within the right upper lip. The clinical impression was that of a mucocele...
2017: Case Reports in Otolaryngology
https://www.readbyqxmd.com/read/28228889/application-of-hong-s-technique-for-removal-of-stuck-hemodialysis-tunneled-catheter-to-pacemaker-leads
#16
Chaudhry Adeel Ebad, Stephen Davitt, Ramal Gnanasekaran, Amjad Khan, Anne-Marie Moran
The term "stuck catheter" refers to situations where a central venous catheter cannot be removed from the central veins or right atrium using standard technique, usually due to development of a fibrin sheath leading to adherence to SVC or right atrial wall. Endoluminal dilatation is an interventional radiology technique that has been previously reported in the removal of stuck hemodialysis catheters, and to the best of our knowledge, this case describes the first application of the technique to remove a hemodialysis catheter that was adherent to SVC wall and transvenous pacemaker leads...
March 2017: Radiology case reports
https://www.readbyqxmd.com/read/28182117/fibrin-sheaths-in-central-venous-port-catheters-treatment-with-low-dose-single-injection-of-urokinase-on-an-outpatient-basis
#17
De-Hua Chang, Kamal Mammadov, Tilman Hickethier, Jan Borggrefe, Martin Hellmich, David Maintz, Christoph Kabbasch
PURPOSE: Evaluation of the efficacy of single-shot, low-dose urokinase administration for the treatment of port catheter-associated fibrin sheaths. METHODS: Forty-six patients were retrospectively evaluated for 54 episodes of port catheter dysfunction. The presence of a fibrin sheath was detected by angiographic contrast examinations. On an outpatient basis, patients subsequently received thrombolysis consisting of a single injection of urokinase (15.000 IU in 1...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/27815703/development-of-an-activity-disease-score-in-patients-with-uveitis-uvedai
#18
Esperanza Pato, Mª Auxiliadora Martin-Martinez, Adela Castelló, Rosalía Méndez-Fernandez, Santiago Muñoz-Fernández, Miguel Cordero-Coma, Lucia Martinez-Costa, Elia Valls, Miguel Reyes, Félix Francisco, Mar Esteban, Alex Fonollosa, Fernando Sanchez-Alonso, Cruz Fernández-Espartero, Teresa Diaz-Valle, José Miguel Carrasco, Emma Beltran-Catalán, Marisa Hernández-Garfella, María Victoria Hernández, Laura Pelegrin, Ricardo Blanco, David Diaz-Valle
To develop a disease activity index for patients with uveitis (UVEDAI) encompassing the relevant domains of disease activity considered important among experts in this field. The steps for designing UVEDAI were: (a) Defining the construct and establishing the domains through a formal judgment of experts, (b) A two-round Delphi study with a panel of 15 experts to determine the relevant items, (c) Selection of items: A logistic regression model was developed that set ocular inflammatory activity as the dependent variable...
April 2017: Rheumatology International
https://www.readbyqxmd.com/read/27733690/totally-percutaneous-aneurysm-sac-embolization-during-endovascular-aneurysm-repair
#19
Luca Ferretto, Sandro Irsara
PURPOSE: To describe a sac embolization technique modification for type II endoleak prevention that makes a totally percutaneous approach feasible during endovascular aneurysm repair (EVAR) using the Excluder stent-graft. TECHNIQUE: Percutaneous access of the common femoral arteries is obtained and 2 suture-mediated closure systems are placed on each side. A 16-F or 18-F sheath is placed for delivery of the Excluder stent-graft main body and a 16-F sheath is used on the contralateral side...
February 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/27353266/in-vitro-and-in-vivo-effectiveness-of-an-innovative-silver-copper-nanoparticle-coating-of-catheters-to-prevent-methicillin-resistant-staphylococcus-aureus-infection
#20
Myriam K S Ballo, Sami Rtimi, César Pulgarin, Nancy Hopf, Aurélie Berthet, John Kiwi, Philippe Moreillon, José M Entenza, Alain Bizzini
In this study, silver/copper (Ag/Cu)-coated catheters were investigated for their efficacy in preventing methicillin-resistant Staphylococcus aureus (MRSA) infection in vitro and in vivo Ag and Cu were sputtered (67/33% atomic ratio) on polyurethane catheters by direct-current magnetron sputtering. In vitro, Ag/Cu-coated and uncoated catheters were immersed in phosphate-buffered saline (PBS) or rat plasma and exposed to MRSA ATCC 43300 at 10(4) to 10(8) CFU/ml. In vivo, Ag/Cu-coated and uncoated catheters were placed in the jugular vein of rats...
September 2016: Antimicrobial Agents and Chemotherapy
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