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    137 results match your criteria Venous Lakes

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    Diode laser to treat small oral vascular malformations: A prospective case series study.
    Lasers Surg Med 2017 Sep 14. Epub 2017 Sep 14.
    Department of Neurosciences, Dentistry Section, University of Padova, Via Giustiniani 2, 35131 Padova, Italy.
    Objective: The current work examined a consecutive series of patients presenting vascular malformations (VMs) and venous lakes (VLs) of the lip and oral mucosa who were treated with transmucosal diode laser applications and assessed over a 1 year period.

    Study Design And Methods: Fifty-nine patients (31 males and 28 females) presenting low-flow VMs or VLs of the oral cavity were treated transmucosally using a diode laser (with an 830 nm operating wavelength and 1.6 W output power) with a 320 µm diameter flexible fiber. Read More

    Pulmonary thromboendarterectomy in the setting of a mediastinal venous malformation with a congenitally absent left subclavian vein.
    Pulm Circ 2017 Mar 1;7(1):256-260. Epub 2017 Feb 1.
    Vascular Malformation Center, Swedish Medical Center, Englewood, CO, USA.
    Venous malformations have static venous lakes that predispose to spontaneous venous thrombosis within the malformation due to its low-flow static state. Thrombi of varying sizes can then embolize continually into the pulmonary arterial circulation, and occlude and narrow elastic pulmonary arteries causing chronic thromboembolic pulmonary hypertension (CTEPH). Pulmonary thromboendarterectomy (PTE) is potentially curative in CTEPH, but has not been previously reported in the setting of mediastinal and chest wall venous malformations. Read More

    Leaf water (18) O and (2) H maps show directional enrichment discrepancy in Colocasia esculenta.
    Plant Cell Environ 2017 Oct 9;40(10):2095-2108. Epub 2017 Aug 9.
    Department of Civil and Environmental Engineering, Princeton University, Princeton, NJ, 08544, USA.
    Spatial patterns of leaf water isotopes are challenging to predict because of the intricate link between vein and lamina water. Many models have attempted to predict these patterns, but to date, most have focused on monocots with parallel veins. These provide a simple system to study, but do not represent the majority of plant species. Read More

    Impact of Surface Charge on Cerium Oxide Nanoparticle Uptake and Translocation by Wheat (Triticum aestivum).
    Environ Sci Technol 2017 Jul 16;51(13):7361-7368. Epub 2017 Jun 16.
    Civil and Environmental Engineering, Carnegie Mellon University , Pittsburgh, Pennsylvania 15213, United States.
    Nanoparticle (NP) physiochemical properties, including surface charge, affect cellular uptake, translocation, and tissue localization. To evaluate the influence of surface charge on NP uptake by plants, wheat seedlings were hydroponically exposed to 20 mg/L of ∼4 nm CeO2 NPs functionalized with positively charged, negatively charged, and neutral dextran coatings. Fresh, hydrated roots and leaves were analyzed at various time points over 34 h using fluorescence X-ray absorption near-edge spectroscopy to provide laterally resolved spatial distribution and speciation of Ce. Read More

    A Vascular Malformation Presenting as a Peripheral Nerve Sheath Tumor.
    J Brachial Plex Peripher Nerve Inj 2016 24;11(1):e38-e41. Epub 2016 Oct 24.
    Department of Neurological Surgery, University of Wisconsin, Madison, Wisconsin, United States.
    We present the case of a venous malformation (VM) masquerading as a schwannoma. VMs are thin-walled vascular dilations of various sizes that typically present as soft, compressible, blue masses that are associated with pain or dysesthesia. VMs are commonly found in the head and neck as well as the distal extremities. Read More

    Phylogenetic Placement of a Schistosome from an Unusual Marine Snail Host, the False Limpet (Siphonaria lessoni) and Gulls (Larus dominicanus) from Argentina with a Brief Review of Marine Schistosomes from Snails.
    J Parasitol 2017 Feb 9;103(1):75-82. Epub 2016 Sep 9.
    University of New Mexico, Museum of Southwestern Biology, Center for Evolutionary and Theoretical Immunology, 1 University of New Mexico, MSC03 2020 Department of Biology, Albuquerque, New Mexico 87131.
    In the blood fluke family Schistosomatidae, marine snails are well known as intermediate hosts. Eight families of marine snails have thus far been reported to host schistosomes across the world, most of which have been implicated in human cercarial dermatitis (HCD) outbreaks. As part of our larger effort to define the species diversity and biology of schistosomes in Argentina, in particular their role in causing HCD, we searched in the marine pulmonate snail (Siphonaria lessoni) for a schistosome species described previously from S. Read More

    An updated checklist and key to the open-panicled species of Poa L. (Poaceae) in Peru including three new species, Poa ramoniana, Poa tayacajaensis, and Poa urubambensis.
    PhytoKeys 2016 30(65):57-90. Epub 2016 Jun 30.
    Institute of Systematic and Evolutionary Botany, University of Zurich, Zollikerstrasse 107, 8008 Zürich, Switzerland; Universidad Nacional de San Antonio Abad del Cusco, Avenida de la Cultura 733, Cusco, Perú
    We provide an updated checklist and key to the 30 Poa species with open panicles from Peru which includes previously circumscribed Dissanthelium and Aphanelytrum species, new taxon records, and three undescribed species. Poa compressa, Poa grisebachii, and Poa leioclada are recorded from Peru for the first time. A number of species are placed in synonymy: Poa carazensis, Poa ferreyrae and Poa tovarii are synonymized under the name Poa fibrifera; Poa adusta (tentatively) and Poa pilgeri are synonymized under Poa candamoana; Poa superata is synonymized under Poa grisebachii; and Poa paramoensis is synonymized under Poa huancavelicae. Read More

    Potential risk assessment in stream sediments, soils and waters after remediation in an abandoned W>Sn mine (NE Portugal).
    Ecotoxicol Environ Saf 2016 Nov 20;133:135-45. Epub 2016 Jul 20.
    Department of Earth Sciences, University of Coimbra, Portugal.
    The mining complex of Murçós belongs to the Terras de Cavaleiros Geopark, located in Trás-os-Montes region, northeast Portugal. A stockwork of NW-SE-trending W>Sn quartz veins intruded Silurian metamorphic rocks and a Variscan biotite granite. The mineralized veins contain mainly quartz, cassiterite, wolframite, scheelite, arsenopyrite, pyrite, sphalerite, chalcopyrite, galena, rare pyrrhotite, stannite, native bismuth and also later bismuthinite, matildite, joseite, roosveltite, anglesite, scorodite, zavaritskite and covellite. Read More

    Laser and light-based treatments of venous lakes: a literature review.
    Lasers Med Sci 2016 Sep 7;31(7):1511-9. Epub 2016 Apr 7.
    Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, 1475 NW 12th Avenue, Suite 2175, Miami, FL, 33136, USA.
    Venous lake is a benign vascular malformation commonly seen in elderly patients, typically arising in sun-exposed areas of the body. Patients often seek treatment to prevent recurrent bleeding or because they find the lesion cosmetically unacceptable. Venous lake may negatively affect quality of life, due to the cosmetic disfigurement it can create and the resulting psychological distress. Read More

    Findings of Phlebotomy Practices in Kenya in 2010: Need for Action.
    J Infect Dis 2016 Apr;213 Suppl 2:S53-8
    Division of Global HIV/AIDS, US Centers for Disease Control and Prevention.
    Background: Phlebotomy, a commonly performed medical procedure in healthcare, is essential for disease diagnosis and patient management. However, poorly performed phlebotomy can compromise patient safety, healthcare worker (HCW) safety, and specimen quality. We carried out a study between June and July 2010 to assess knowledge, quality and safety of phlebotomy before implementation of a public-private partnership between Becton, Dickinson and Company and the US President's Emergency Plan for AIDS Relief. Read More

    A novel method of edema fluid drainage in obstructive lymphedema of limbs by implantation of hydrophobic silicone tubes.
    J Vasc Surg Venous Lymphat Disord 2015 Oct 30;3(4):401-8. Epub 2015 Jun 30.
    Department of Epigenetics, Mossakowski Medical Research Center, Polish Academy of Sciences, Warsaw, Poland; Department of Applied Physiology, Mossakowski Medical Research Center, Polish Academy of Sciences, Warsaw, Poland; Central Clinical Hospital, Ministry of Home Affairs, Warsaw, Poland.
    Objective: Lymphedema of limbs is caused by partial or total obstruction of lymphatic collectors as a consequence of skin and deep soft tissue inflammation, trauma of soft tissues and bones, lymphadenectomy, and irradiation in cancer therapy. According to the statistics of the World Health Organization, around 300 million people are affected by pathologic edema of limbs. Effective treatment of such large cohorts has been a challenge for centuries. Read More

    BdCESA7, BdCESA8, and BdPMT Utility Promoter Constructs for Targeted Expression to Secondary Cell-Wall-Forming Cells of Grasses.
    Front Plant Sci 2016 4;7:55. Epub 2016 Feb 4.
    School of Biological Sciences, Illinois State University, NormalIL, USA; U.S. Department of Energy Great Lakes Bioenergy Research Center, University of Wisconsin-Madison, MadisonWI, USA.
    Utility vectors with promoters that confer desired spatial and temporal expression patterns are useful tools for studying gene and cellular function and for industrial applications. To target the expression of DNA sequences of interest to cells forming plant secondary cell walls, which generate most of the vegetative biomass, upstream regulatory sequences of the Brachypodium distachyon lignin biosynthetic gene BdPMT and the cellulose synthase genes BdCESA7 and BdCESA8 were isolated and cloned into binary vectors designed for Agrobacterium-mediated transformation of monocots. Expression patterns were assessed using the β-glucuronidase gene GUSPlus and X-glucuronide staining. Read More

    [Advances in Oral Venous Lakes].
    Zhongguo Yi Xue Ke Xue Yuan Xue Bao 2015 Dec;37(6):746-9
    Department of Dentistry,PUMC Hospital,CAMS and PUMC,Beijing 100730,China.
    New advances have been pioneered in the pathogenesis,clinicopathological features,and treatment of oral venous lakes. It is concluded that oral venous lakes can be classified as a venous malformation,and multidisciplinary approaches (in particular the involvement of department of dermatology and department of ear,nose and throat) may be adopted to achieve better management of this disease. Read More

    Multiple lateral sinus pericranii--A case report.
    Vojnosanit Pregl 2015 Sep;72(9):845-9
    Introduction: Sinus pericranii is a rare vascular anomaly. It is characterized by abnormal communication between the extracranial and intracranial venous system, usually involving the superior sagittal sinus and occasionally the transverse sinus. Off the midline lesions are extremely rare. Read More

    The extracranial venous system in the heads of beaked whales, with implications on diving physiology and pathogenesis.
    J Morphol 2016 Jan 8;277(1):34-64. Epub 2015 Oct 8.
    Biology and Marine Biology, University of North Carolina Wilmington, Wilmington, North Carolina.
    Beaked whales are a poorly known but diverse group of whales that have received considerable attention due to strandings that have been temporally and spatially associated with naval sonar deployment. Postmortem studies on stranded carcasses have revealed lesions consistent with decompression sickness, including intravascular gas and fat emboli. These findings have been supported by analyses of intravascular gas emboli showing composition dominated by nitrogen gas. Read More

    Synchrotron-Based Techniques Shed Light on Mechanisms of Plant Sensitivity and Tolerance to High Manganese in the Root Environment.
    Plant Physiol 2015 Nov 22;169(3):2006-20. Epub 2015 Sep 22.
    School of Agriculture and Food Sciences, The University of Queensland, St. Lucia, Queensland 4072, Australia (F.P.C.B., M.C.H.-S., P.M.K.);Centre for AgriBioscience, La Trobe University, Bundoora, Victoria 3086, Australia (M.C., C.T.);Australian Synchrotron, Clayton, Victoria 3168, Australia (D.J.P.);Centre for Environmental Risk Assessment and Remediation, University of South Australia, Mawson Lakes, South Australia 5095, Australia (E.L., W.H.W.); andNational Risk Management Research Laboratory, United States Environmental Protection Agency, Cincinnati, Ohio 45224 (K.G.S.)
    Plant species differ in response to high available manganese (Mn), but the mechanisms of sensitivity and tolerance are poorly understood. In solution culture, greater than or equal to 30 µm Mn decreased the growth of soybean (Glycine max), but white lupin (Lupinus albus), narrow-leafed lupin (Lupin angustifolius), and sunflower (Helianthus annuus) grew well at 100 µm Mn. Differences in species' tolerance to high Mn could not be explained simply by differences in root, stem, or leaf Mn status, being 8. Read More

    Laser applications for benign oral lesions.
    Lasers Surg Med 2015 Oct 26;47(8):643-50. Epub 2015 Aug 26.
    Carolyn and Peter Lynch Center for Laser and Reconstructive Surgery, Division of Facial Plastic and Reconstructive Surgery, Department of Otology and Laryngology, Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, Massachusetts, 02114.
    Background And Objective: Different subspecialists treat benign intraoral lesions using various approaches including surgical excision, medical therapy, sclerotherapy, and laser photocoagulation. The goal of this study was to establish whether lasers could effectively target and destroy oral lesions containing endogenous chromophores, while minimizing injury to unaffected adjacent tissues and critical structures.

    Materials And Methods: This retrospective study involved 26 cases of benign oral lesions, both vascular and pigmented, which were addressed by means of selective laser treatment. Read More

    Treatment of venous lesions of the lips and perioral area with a long-pulsed Nd:YAG laser.
    Br J Oral Maxillofac Surg 2016 May 29;54(4):376-8. Epub 2015 Jul 29.
    Department of Plastic Surgery & Laser Treatment Centre, Bedford Hospital NHS Trust, Kempston Rd, Bedford MK42 9DJ, UK. Electronic address:
    The conventional treatments for venous lesions of the lip have been excision, cryotherapy, infrared coagulation, and sclerotherapy. We report the use of a long-pulsed Nd:YAG laser in 31 consecutive patients. At a mean follow up of 12 months (6 weeks to 3 years), 27 (87%) had no evidence of recurrence and one had a small contracted scar. Read More

    Thymic Cavernous Hemangioma With a Left Innominate Vein Aneurysm.
    Ann Thorac Surg 2015 Jul;100(1):320-2
    Department of Surgery, Jikei University Hospital, Minatoku, Tokyo, Japan.
    Here we report a case of thymic cavernous haemangioma with the left innominate vein aneurysm. A 43-year-old man presented with chest pain. Enhanced chest computed tomography revealed an anterior mediastinal tumor measuring 60 × 52 × 38 mm with multiple venous lakes and focal specks of calcification, composed of a low-density soft tissue mass along with a left innominate vein aneurysm. Read More

    The VASCULATURE COMPLEXITY AND CONNECTIVITY gene encodes a plant-specific protein required for embryo provasculature development.
    Plant Physiol 2014 Oct 22;166(2):889-902. Epub 2014 Aug 22.
    Department of Botany (H.R., J.P.-V., T.D., F.C.R., M.S.O.), Department of Genetics (S.J., P.H.M., M.S.O.), and Department of Biochemistry (G.B., S.Y.B.), University of Wisconsin, Madison, Wisconsin 53706;Great Lakes Bioenergy Research Center, Madison, Wisconsin 53706 (H.R., S.J., G.B.); andInstitut National de la Recherche Agronomique and AgroParisTech, Institut Jean-Pierre Bourgin, Unité Mixte de Recherche 1318, Saclay Plant Science, 78000 Versailles, France (P.A., L.G., J.-C.P.)
    The molecular mechanisms by which vascular tissues acquire their identities are largely unknown. Here, we report on the identification and characterization of VASCULATURE COMPLEXITY AND CONNECTIVITY (VCC), a member of a 15-member, plant-specific gene family in Arabidopsis (Arabidopsis thaliana) that encodes proteins of unknown function with four predicted transmembrane domains. Homozygous vcc mutants displayed cotyledon vein networks of reduced complexity and disconnected veins. Read More

    'Venous lakes' - a corrosion cast scanning electron microscopy study of regular and myomatous human uterine blood vessels.
    Folia Morphol (Warsz) 2014 May;73(2):164-8
    Department of Anatomy, Jagiellonian University Medical College, Krakow.
    Background: The aim of this study was to evaluate the venous structure of regularand myomatous human uteri, using corrosion casting and scanning electron microscopy (SEM). Special attention was paid to the endometrium and the socalled 'venous lakes'.

    Materials And Methods: Uteri collected at autopsy (n = 67) were injected with Mercox CL-2R resin, which penetrated the capillary bed and filled both arteriesand veins. Read More

    High incidence of HIV-1 infection in a general population of fishing communities around Lake Victoria, Uganda.
    PLoS One 2014 27;9(5):e94932. Epub 2014 May 27.
    Makerere University College of Health Sciences, School of Medicine, Clinical Epidemiology Unit, Kampala, Uganda.
    Background: High HIV-1 incidence rates were reported among persons in fisherfolk communities (FFC) in Uganda who were selected for high risk behaviour. We assessed the incidence of HIV-1 and associated risk factors in a general population FFC to determine population-wide HIV rates.

    Methods: A community-based cohort study was conducted among a random sample of 2191 participants aged 18-49 years. Read More

    A simplified minimally invasive technique for the treatment of venous lakes.
    Dermatol Online J 2014 Jan 15;20(1):21257. Epub 2014 Jan 15.
    A simplified approach to treat venous lakes of the vermillion lip is presented. Our method involves the use of a 30 gauge hypodermic needle to deliver a low-powered, high-frequency electrical current from a hyfrecator power source into the venous lake lesion. Read More

    The effects of continuous and intermittent reduced speed modes on renal and intestinal perfusion in an ovine model.
    ASAIO J 2014 Jan-Feb;60(1):19-24
    From the *Texas A&M, Institute for Preclinical Studies, Texas A&M University, College Station, Texas; and †HeartWare Inc., Miami Lakes, Florida.
    The effects of the continuous-flow output on renal and intestinal microcirculation have not been extensively studied. To address this, the Heartware HVAD pump loaded with continuous and intermittent reduced speed (IRS) modes was implanted in four sheep and then operated at low and high speeds to mimic partial and complete unloading of the left ventricle. Then microsphere and positron emission tomography/computed tomography (PET/CT) studies were used to assess renal and intestinal tissue perfusion at various pump speeds and flow modes as compared with baseline (pump off). Read More

    Multidetector computed tomography evaluation of cavernous haemangioma of the azygous vein.
    Interact Cardiovasc Thorac Surg 2013 Aug 9;17(2):436-7. Epub 2013 May 9.
    Department of Radiology, King Fahad Medical City, Riyadh, Kingdom of Saudi Arabia.
    Giant cavernous haemangioma of azygous arch is extremely rare. We present the multidetector computed tomography (MDCT) features of a mediastinal cavernous haemangioma in an asymptomatic child detected in a follow-up examination. MDCT features with multiple venous lakes filling from the periphery, focal specks of calcification, low-density soft tissue mass along with tortuous varicose veins and large feeding veins from the abdomen are suggestive of cavernous haemangioma. Read More

    [Study on immune status of patients with schistosomiasis japonica in Poyang Lake region II characterization of cellular immune in schistosomiasis patients].
    Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2012 Dec;24(6):632-5
    Jiangxi Provincial Institute of Parasitic Diseases Control and Prevention, Nanchang 330046, China.
    Objective: To observe the characterization of cellular immune of schistosomiasis japonica patients in low endemic area of Poyang Lake region.

    Methods: The schistosomiasis patients who were positive by stool detections were selected as study subjects, and the individuals who were negative by stool detections in three consecutive years were selected as negative controls. The CD4+T cell, CD8+T cell and CD4+CD25+Treg in venous blood of the study subjects were detected by using flow cytometry. Read More

    Antenatal thrombosis of torcular herophili presenting with anemia, consumption coagulopathy and high-output cardiac failure in a preterm infant.
    J Perinatol 2012 Sep;32(9):728-30
    Division of Neonatology, Department of Pediatrics, University of Kansas Medical Center, Kansas City, KS 66160, USA.
    Dural sinus malformation occasionally results in the development of giant venous lakes involving torcular herophili. Such dilatation can result in the formation of a massive venous thrombus leading to ventriculomegaly/hydrocephalus. Although, majority of patients have an unremarkable clinical course owing to spontaneous resolution of the thrombus, significant morbidity and mortality has been documented. Read More

    Fetal growth restriction and reversed middle cerebral artery end-diastolic flow with subchorionic placental lake.
    J Obstet Gynaecol Res 2013 Feb 26;39(2):578-82. Epub 2012 Aug 26.
    Department of Obstetrics and Gynecology, Center for Maternal Fetal Medicine, Ishikawa Prefectural Central Hospital, Kanazawa, Japan.
    Fetal growth restriction (FGR) is frequently associated with uteroplacental insufficiency. Placental lakes are avillous spaces filled with maternal venous blood that usually do not compromise the pregnancy outcome; however, a few reports describe FGR in association with placental lakes. Reversed middle cerebral artery (MCA) end-diastolic flow is a rare event and a potential indicator of poor fetal outcome due to placental insufficiency. Read More

    Paclitaxcel-coated balloon plus bare metal stent vs. sirolimus-eluting stent in de novo lesions: an IVUS study.
    EuroIntervention 2012 Aug;8(4):450-5
    Clinic of Cardiology and Angiology, Hannover Medical School, Germany.
    Aims: Restenosis after PCI and/or stent implantation is still one of the challenging problems in the field of interventional cardiology. Different approaches to prevent and to treat restenosis include the use of drug-eluting stents, which have shown to reduce restenosis. Another approach is the treatment with drug-coated balloons. Read More

    Serial greyscale and radiofrequency intravascular ultrasound assessment of plaque modification and vessel geometry at proximal and distal edges of bare metal and first-generation drug-eluting stents.
    EuroIntervention 2012 Jun;8(2):225-34
    Instituto Dante Pazzanese de Cardiologia, São Paulo, Brazil.
    Background: Little is known about the correlation between modifications in plaque composition at stent edges and the changes in vessel geometry. This study sought to evaluate, by serial greyscale intravascular ultrasound (IVUS) and Virtual Histology intravascular ultrasound (VH-IVUS), the modifications in plaque composition at the edges of drug-eluting and bare metal stents and the correlation of these findings with changes in the measurements of vessel, lumen and plaque area at those segments.

    Methods And Results: Single-centre, prospective and randomised (1:1) evaluation of 40 patients with acute coronary syndrome treated with bare metal (Driver; Medtronic, Santa Clara, CA, USA; n=20 patients) or drug-eluting stents (Cypher; Cordis, Miami Lakes, FL, USA; n=20 patients). Read More

    Venous malformations of the temporal bone are a common feature in CHARGE syndrome.
    Laryngoscope 2012 Apr 7;122(4):895-900. Epub 2012 Feb 7.
    Department of Otolaryngology, New York University School of Medicine, New York, New York 10032, USA.
    Objectives/hypothesis: CHARGE (Coloboma of the eye, Heart defects, Atresia of the choanae, Retardation of growth and/or development, Genital and/or urinary abnormalities, and Ear abnormalities and/or deafness) syndrome is a genetic disorder with prominent otolaryngologic features including choanal atresia and inner ear malformations. Recent experience with venous malformations during cochlear implant surgery prompted this study to define the spectrum of venous abnormalities in CHARGE and their surgical implications in otology.

    Study Design: Retrospective review of medical and radiologic records from databases of patients with CHARGE syndrome from three tertiary care academic medical centers. Read More

    Anatomical studies on the temporal bridging veins with Dextroscope and its application in tumor surgery across the middle and posterior fossa.
    Clin Neurol Neurosurg 2011 Dec 9;113(10):889-94. Epub 2011 Aug 9.
    Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China.
    Objective: To evaluate the application of virtual reality technology in neurosurgical anatomy we compared the virtual three-dimensional (3D) microanatomy of the temporal bridging veins as part of the resection of tumors across the petrosal crest in 25 patients against the actual microanatomy of the temporal bridging veins on 20 cadaveric head sets.

    Patients And Methods: The experiment was carried out by two groups of data: a virtual group made of 25 clinical cases and a physical body group made of 20 cadaveric head sets. In the physical body group, the temporal bridging veins on the cadaveric heads were examined under the microscope from the number of their tributaries to termination and measure the distance between emptying point on sinus of labbé vein and sigmoid transverse sinus. Read More

    Onyx embolization of extradural spinal arteriovenous malformations with intradural venous drainage.
    Neurosurgery 2012 Feb;70(2):329-33
    Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota 55905, USA.
    Background: Extradural arteriovenous malformations (AVMs) are uncommon vascular malformations of the spine. They are characterized by an arteriovenous communication (localized in the paraspinal soft tissues and the epidural venous plexus) that may have retrograde intradural venous drainage. Surgical treatment of extradural AVMs can be challenging because of the common location ventral to the dural sac and the presence of arterialized venous lakes. Read More

    Lasers for vascular lesions: standard guidelines of care.
    Indian J Dermatol Venereol Leprol 2011 May-Jun;77(3):349-68
    Department of Dermatology, PSG Hospitals, Coimbatore, Tamil Nadu, India.
    Introduction: Lasers are a good therapeutic tool for congenital and acquired vascular lesions. Technological advances in lasers have reduced the adverse effects and increased the efficacy. MACHINES: Among the various lasers used for treating vascular lesions, pulsed dye laser (PDL) has the best efficacy and safety data. Read More

    Three-dimensional analysis of flow disturbances caused by clots in inferior vena cava filters.
    J Vasc Interv Radiol 2011 Jun 16;22(6):835-42. Epub 2011 Mar 16.
    Department of Biomedical Engineering, Texas A&M University, 337 Zachry Engineering Center Mail Stop 3120, College Station, TX 77843-3120, USA.
    Purpose: To assess the hemodynamics associated with clot captured within two different types of inferior vena cava (IVC) filters.

    Materials And Methods: Computational flow models were constructed for different clot sizes and shapes captured within the Greenfield (GF) (Medi-tech/Boston Scientific, Watertown, Massachusetts) and TrapEase (Cordis, Miami Lakes, Florida) IVC filters. Two models were employed; one was a straight tube (ST), and the other was a realistic model (RM) that included iliac and renal veins and lumbar curvature, with filter deployment between these inflows. Read More

    Dermatologic lasers in the treatment of aging skin.
    Acta Dermatovenerol Croat 2010 ;18(3):176-80
    University Hospital Center Zagreb , Department of Dermatology and Venereology, School of Medicine, University of Zagreb, Šalata 4, Zagreb, Croatia.
    Skin aging includes intrinsic aging, a universal and inevitable process attributable to the passage of the time alone; and photoaging, changes attributable to chronic sun exposure, which are neither universal nor inevitable. The major clinical features of aging skin include xerosis, laxity, wrinkles, slackness, and the occurrence of benign neoplasms such as seborrheic keratoses and cherry angiomas. Photoaging is characterized by dryness (roughness), actinic keratoses, irregular pigmentation (freckling, lentigines, guttate hypomelanosis, persistent hyperpigmentation), wrinkling, stellate pseudoscars, elastosis (fine nodularity and/or coarseness), inelasticity, telangiectasia, venous lakes, purpura (easy bruising), comedones (maladie de Favre et Racouchot) and sebaceous hyperplasia. Read More

    Sinus pericranii with unusual features: multiplicity, associated dural venous lakes and venous anomaly, and a lateral location.
    Acta Neurochir (Wien) 2010 Dec 28;152(12):2197-204. Epub 2010 Sep 28.
    Department of Anaesthesiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India.
    Anomalous connections between an extracranial venous sac and intracranial dural sinuses through dilated diploic and emissary veins of the skull result in sinus pericranii (SP). In this study, two patients with the rare presentation of multiple, congenital SP with associated dural venous lakes and venous anomalies are described. In one patient, multiple SPs were located in the frontal, parasagittal region with an associated subcortical venous angioma; and, in the other, peritorcular and juxta-transverse-sigmoid sinus junction SP coexisted. Read More

    Reactive vascular lesions treated using ethanolamine oleate sclerotherapy.
    Dermatol Surg 2010 Jul 1;36(7):1148-52. Epub 2010 Jun 1.
    Department of Dermatology, Busan Paik Hospital, College of Medicine, Inje University, Busanjin-gu, Busan, Korea.
    Background: Ethanolamine oleate (EO) is used infrequently in dermatology, but is used to treat vascular lesions such as esophageal varices, varicose veins, and congenital vascular malformations.

    Objective: To evaluate the efficacy and safety of EO for treating reactive vascular lesions.

    Materials And Methods: Patients with reactive vascular lesions, such as pyogenic granulomas or venous lakes, were enrolled. Read More

    Incidence and predictors of drug-eluting stent fracture in human coronary artery a pathologic analysis.
    J Am Coll Cardiol 2009 Nov;54(21):1924-31
    CVPath Institute, Inc., Gaithersburg, Maryland, USA.
    Objectives: The aim of this study was to perform pathologic assessment on stent fracture.

    Background: Clinically, stent fracture has been reported in 1% to 2% of patients after drug-eluting stent (DES) implantation.

    Methods: High-contrast film-based radiographs of 177 consecutive lesions from the CVPath DES autopsy registry were reviewed. Read More

    Multiwavelength laser treatment of venous lakes.
    Dermatol Surg 2009 Dec;35(12):1942-6
    Department of Dermatology, University Hospital of Salamanca, Salamanca, Spain.
    Background: Venous lakes (VLs) are common benign ectasias in the upper dermis, usually observed in older people. Different treatment strategies have been described as useful, such as cryosurgery, excision, and various types of laser.

    Objective: We report our experiences using a multiwavelength laser, which has not been previously described. Read More

    Subintimal angioplasty with the aid of a re-entry device for TASC C and D lesions of the SFA.
    Eur J Vasc Endovasc Surg 2009 Jul 7;38(1):76-87. Epub 2009 May 7.
    Department of Surgery, University of Siena, Siena, Italy.
    Aim: The aim of this prospective study was to assess the clinical effectiveness and related midterm patency of subintimal angioplasty (SAP) in patients suffering from critical limb ischaemia (CLI) in a single tertiary care university centre. The secondary aim was to evaluate the safety and clinical effectiveness of using a re-entry device when re-canalisation by SAP was unsuccessful.

    Methods: From January 2005 to December 2007, consecutive patients suffering from CLI (Rutherford clinical categories: 4-6) were treated with SAP. Read More

    Computational modeling of blood flow in the TrapEase inferior vena cava filter.
    J Vasc Interv Radiol 2009 Jun 5;20(6):799-805. Epub 2009 May 5.
    Center of Applied Scientific Computing, Lawrence Livermore National Laboratory, Livermore, California, USA.
    Purpose: To evaluate the hemodynamics of the TrapEase vena cava filter (Cordis, Miami Lakes, Florida) by using three-dimensional computational fluid dynamics, including simulated thrombi of multiple shapes, sizes, and trapping positions. The study was performed to identify areas of stagnant and/or recirculating flow that may have an effect on intrafilter thrombosis.

    Materials And Methods: Three-dimensional computer models of the TrapEase filter, various thrombi shapes and sizes, and a 23-mm-diameter cava were constructed. Read More

    An intravital microscopic study of the hepatic microcirculation in cirrhotic mice models: relationship between fibrosis and angiogenesis.
    Int J Exp Pathol 2008 Dec;89(6):419-32
    Department of Hepatology and Gastroenterology, Ghent University Hospital, Ghent, Belgium.
    This intravital fluorescence microscopy (IVFM) study validates cirrhotic mice models and describes the different intrahepatic alterations and the role of angiogenesis in the liver during genesis of cirrhosis. Cirrhosis was induced by subcutaneous injection of carbon tetrachloride (CCl(4)) and by common bile duct ligation (CBDL) in mice. Diameters of sinusoids, portal venules (PV), central venules (CV) and shunts were measured at different time points by IVFM. Read More

    Clinical study of sclerotherapy of maxillofacial venous malformation using absolute ethanol and pingyangmycin.
    J Oral Maxillofac Surg 2009 Jan;67(1):98-104
    Department of Oral and Maxillofacial Surgery, Peking University School of Stomatology, Beijing, China.
    Purpose: The purpose of this study was to evaluate the outcomes of sclerotherapy of maxillofacial venous malformations by use of absolute ethanol and pingyangmycin (bleomycin A(5) hydrochloride).

    Patients And Methods: We treated 23 consecutive patients with maxillofacial venous malformations by sclerotherapy with a combination of absolute ethanol and pingyangmycin under local anesthesia. The size of the lesions ranged from 2 cm x 2 cm to 12 cm x 10 cm. Read More

    The Effect of 0.5% Sodium Tetradecyl Sulfate on a Venous Lake Lesion.
    Ann Dermatol 2008 Dec 31;20(4):179-83. Epub 2008 Dec 31.
    Department of Dermatology, College of Medicine, Hallym University, Anyang, Korea.
    Background: A venous lake lesion is a venous ectasia that occurs on the exposed skin of elderly people. Although a number of therapies such as surgical excision, laser therapy, infrared coagulation, cryotherapy and sclerotherapy have been used to treat venous lakes, there is no guideline for treating this lesion.

    Objective: The purpose of this study was to determine whether 0. Read More

    Outcomes of the tacrolimus drug-eluting Janus stent: a prospective two-centre registry in high-risk patients.
    J Cardiovasc Med (Hagerstown) 2008 Jun;9(6):589-94
    Department of Cardiovascular Disease, Catholic University, Campobasso, Italy.
    Background: To date, only two drug-eluting stents (DES) have been extensively tested in both randomized controlled clinical trials and large 'real world' registries: sirolimus-DES (Cypher stent, Cordis, Miami Lakes, Florida, USA) and paclitaxel-DES (Taxus stent, Boston Scientific, Natick, Massachusetts, USA). Recently, a new polymer-free tacrolimus-eluting Carbofilm-coated stent, the Janus stent (Sorin Biomedica, Saluggia, Italy), has entered the market but only few clinical data testing its safety and efficacy in selected patients are available. Thus, we performed a prospective registry of consecutive, unselected patients receiving this new DES. Read More

    Lateral lakes of Trolard: anatomy, quantitation, and surgical landmarks. Laboratory investigation.
    J Neurosurg 2008 May;108(5):1005-9
    Section of Pediatric Neurosurgery, Children's Hospital, University of Alabama at Birmingham, Birmingham, AL 35233, USA.
    Object: There is scant and conflicting information in the literature regarding the lateral lacunae, or lateral lakes of Trolard. As these venous structures can be encountered surgically, this study aimed at further elucidating their anatomy, identifying surgical landmarks, and associated quantitation.

    Methods: Thirty-five adult cadavers were dissected of lateral lacunae. Read More

    Update on vena cava filters.
    Curr Treat Options Cardiovasc Med 2008 Apr;10(2):101-11
    Section of Vascular Medicine, Department of Cardiovascular Medicine, Cleveland Clinic, 9500 Euclid Avenue, Desk S-60, Cleveland, OH 44145, USA.
    Inferior vena cava (IVC) filter placement has increased dramatically over the past two decades. Filters are indicated to prevent pulmonary embolism in patients with venous thromboembolism (VTE) and a contraindication to anticoagulation or a complication of anticoagulation. Some of this increased use is the result of expanding relative indications for filter placement, including placement for primary prophylaxis. Read More

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