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Vein occlusion

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https://www.readbyqxmd.com/read/28747047/novel-approach-in-using-ultrasound-in-treating-acute-limb-ischemia
#1
Michael H Wholey, Raul G Palacios, Alejandro Mendez-Castillo, Lori C Pounds
BACKGROUND: It is imperative to gain safe access into the occluded targeted vessel and begin treating acute extremity limb ischemia. Often the origin of the targeted native artery or bypass graft will have a flush occlusion making it difficult to cannulate. This paper looks at the novel use of portable ultrasound to evaluate the origin of the artery or bypass graft to help facilitate the start of thrombolysis. METHODS: We reviewed our last 2 years of acute limb ischemia in our patients with high risk factors and co-morbidities...
July 26, 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28746255/normalization-of-congenital-venous-stasis-retinopathy-following-sclerotherapy-of-a-macrocystic-lymphatic-malformation
#2
Kristin E Hirabayashi, Evan Kalin-Hajdu, Greg J Bever, M Reza Vagefi, Alejandra G de Alba Campomanes, Daniel L Cooke, Christopher F Dowd, Robert C Kersten
The authors describe, for the first time to their knowledge, a case of a congenital macrocystic lymphatic malformation of the orbit with associated venous stasis retinopathy that acutely normalized after drainage and sclerotherapy of the lesion. Prenatal ultrasound revealed prominence of the left orbital soft tissue, and at birth, the patient was noted to have unilateral proptosis, tortuous retinal vessels, and intraretinal hemorrhages in all 4 quadrants in the left eye. MRI demonstrated a primarily intraconal, multiloculated, T2-hyperintense mass consistent with a lymphatic malformation...
July 25, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28746223/decreasing-incidence-and-mortality-among-hospitalized-patients-suffering-a-ventilator-associated-pneumonia-analysis-of-the-spanish-national-hospital-discharge-database-from-2010-to-2014
#3
Javier de Miguel-Díez, Ana López-de-Andrés, Valentín Hernández-Barrera, Isabel Jiménez-Trujillo, Manuel Méndez-Bailón, José M de Miguel-Yanes, Benito Del Rio-Lopez, Rodrigo Jiménez-García
The aim of this study was to describe trends in the incidence and outcomes of ventilator-associated pneumonia (VAP) among hospitalized patients in Spain (2010-2014).This is a retrospective study using the Spanish national hospital discharge database from year 2010 to 2014. We selected all hospital admissions that had an ICD-9-CM code: 997.31 for VAP in any diagnosis position. We analyzed incidence, sociodemographic and clinical characteristics, procedures, pathogen isolations, and hospital outcomes.We identified 9336 admissions with patients suffering a VAP...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28745659/-current-approach-and-the-role-of-laser-photocoagulation-in-the-treatment-of-retinal-vein-occlusions
#4
S V Sdobnikova, K A Mirzabekova, V K Surguch
Despite the emergence of new approaches in the treatment of retinal vein thrombosis and post-thrombotic complications, namely, intravitreal pharmacotherapy and surgical treatment, laser photocoagulation continues to play a significant role in the management of patients with this pathology. Although the method of laser photocoagulation has been used for quite a long time, different views exist on its indications and execution in specific clinical situations. At that, not all opinions regarding the use of laser photocoagulation in thrombosis are based on convincing clinical studies...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28741138/trans-splenic-access-for-portal-venous-interventions-in-children-do-benefits-outweigh-risks
#5
Sheena Pimpalwar, Ponraj Chinnadurai, Alberto Hernandez, Kamlesh Kukreja, Shakeel Siddiqui, Henri Justino
BACKGROUND: The primary concern of trans-splenic access for portal interventions is the risk of life-threatening intraperitoneal bleeding. OBJECTIVE: To review the clinical indications and efficacy and evaluate the risk factors for intraperitoneal bleeding during trans-splenic portal interventions in children. MATERIALS AND METHODS: A retrospective review of consecutive patients who underwent trans-splenic portal interventions at a tertiary care pediatric institution between March 2011 and April 2017 was performed...
July 24, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28740252/decelerated-neurodegeneration-after-intravitreal-injection-of-%C3%AE-synuclein-antibodies-in-a-glaucoma-animal-model
#6
J Teister, F Anders, S Beck, S Funke, H von Pein, V Prokosch, N Pfeiffer, F Grus
Although elevated intraocular pressure (IOP) remains the major risk factor in glaucoma, neurodegenerative processes continue despite effective IOP lowering. Altered α-synuclein antibody (Abs) levels have been reported to play a crucial role. This study aimed at identifying whether α-synuclein Abs are capable to decelerate neuronal decay while providing insights into proteomic changes. Four groups of Sprague Dawley rats received episcleral vein occlusion: (1) CTRL, no intravitreal injection, n = 6, (2) CTRL IgG, intravitreal injection of unspecific IgG, n = 5, (3) Buffer, intravitreal injection of buffer, n = 6, (4), α-synuclein Ab, intravitreal injection of α-synuclein Ab, n = 5...
July 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28739419/retinal-non-perfusion-in-the-posterior-pole-is-associated-with-increased-risk-of-neovascularization-in-central-retinal-vein-occlusion
#7
Luke Nicholson, Clara Vazquez-Alfageme, Namritha V Patrao, Ioanna Triantafyllopolou, James W Bainbridge, Philip G Hykin, Sobha Sivaprasad
PURPOSE: To review the definition of ischaemic central retinal vein occlusion (CRVO) and stratify the risk of neovascular complication based on wider areas of visible retinal non-perfusion. DESIGN: Retrospective consecutive case series and image analysis study METHODS: Setting: Moorfields Eye Hospital, London, United Kingdom. STUDY POPULATION: 42 consecutive treatment naïve eyes with CRVO imaged with ultra-widefield angiography with a minimum of 12 months follow-up...
July 21, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28734330/acute-on-chronic-retinal-artery-occlusion-following-retinal-vein-occlusion
#8
Kelly Z Young, Vaidehi S Dedania, Rajesh C Rao
No abstract text is available yet for this article.
August 2017: Ophthalmology
https://www.readbyqxmd.com/read/28733096/brachial-vein-transposition-is-a-promising-ultimate-upper-limb-autologous-arteriovenous-angioaccess-despite-its-many-pitfalls
#9
Lamisse Karam, Marek Rawa, Richard Shoenfeld, Pierre Bourquelot
OBJECTIVE: The objective of this study was to retrospectively evaluate the possibility of using the brachial veins despite their deep location, small caliber, and thin wall. METHODS: There were 64 patients without superficial veins who were eligible for two-stage brachial vein transposition (BrVT); 54 patients were on hemodialysis, 9 patients had sickle cell disease, and 1 patient had long-term parenteral nutrition. Preoperative imaging was performed with color duplex ultrasound as well as venography for suspected central vein stenosis...
July 18, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28732607/refractive-outcomes-and-complications-after-combined-copolymer-phakic-intraocular-lens-explantation-and-phacoemulsification-with-intraocular-lens-implantation
#10
Paolo G Meier, François Majo, Philippe Othenin-Girard, Ciara Bergin, Ivo Guber
PURPOSE: To assess safety, efficacy, and predictability of combined Implantable Collamer Lens phakic intraocular lens (pIOL) explantation and phacoemulsification and to report the rate of complications. A secondary aim was to examine whether intraocular lens (IOL) power calculation was affected by the pIOL in situ. SETTING: Jules-Gonin Eye Hospital, Lausanne, Switzerland. DESIGN: Retrospective case series. METHODS: The records of patients having pIOL implantation with subsequent phacoemulsification were reviewed...
June 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28731492/factors-causing-loss-of-normal-doppler-waveform-of-the-left-internal-jugular-vein-evaluation-on-chest-computed-tomography
#11
Min Cheol Ku, Myung Gyu Song, Tae-Seok Seo, Eun Young Kang, Hwan Seok Yong, Jae Wook Lee
PURPOSE: To evaluate the presence and causes of left brachiocephalic vein (LBCV) steno-occlusive lesions in patients with loss of normal waveform in Doppler ultrasound of the left internal jugular vein (LIJV). MATERIALS AND METHODS: We performed Doppler ultrasound of both internal jugular veins in 1912 patients who received an implantable venous access port from August 2013 to January 2016. Among them, 106 patients showed loss of normal Doppler waveforms of the LIJV (56 men and 50 women; mean age, 61...
July 19, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28726308/the-collateral-venous-system-in-late-pregnancy-a-systematic-review-of-the-literature
#12
REVIEW
Aimee Humphries, Peter Stone, S Ali Mirjalili
INTRODUCTION: Recent literature has reported an association between maternal supine sleep position and stillbirth during late pregnancy. In this position the gravid uterus almost completely obstructs the inferior vena cava. A small number of women experience supine hypotension, thought to be due in part to inadequate collateral venous circulation. The aim of this paper is to review the literature describing the anatomy of the collateral venous system and in particular the azygos system, the abdominal portion of which has not been well studied...
July 20, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28725290/the-discovery-of-the-flammer-syndrome-a-historical-and-personal-perspective
#13
REVIEW
Josef Flammer, Katarzyna Konieczka
This review describes the clinical and basic research that led to the description of Flammer syndrome. It is narrated from a personal perspective. This research was initiated by the observation of an increased long-term fluctuation of visual fields in a subgroup of glaucoma patients. As these patients had strikingly cold hands, peripheral blood flow was tested with a capillary microscopy, and vasospastic syndrome (VS) was diagnosed. Further studies on these patients revealed frequently weakened autoregulation of ocular blood flow and increased flow resistivity in retroocular vessels...
June 2017: EPMA Journal
https://www.readbyqxmd.com/read/28724817/real-world-evidence-of-safety-profile-of-intravitreal-bevacizumab-avastin-in-an-indian-scenario
#14
Prashant Jain, Jay Sheth, Giridhar Anantharaman, Mahesh Gopalakrishnan
PURPOSE: The purpose of this study was to evaluate the safety profile of intravitreal bevacizumab (Avastin) as an off-label pharmacotherapeutic agent for various ocular conditions. METHODS: Retrospective analysis was carried out on 3806 injections of 1761 patients that were administered with intravitreal bevacizumab injection at a tertiary eye care center in India. The injections were administered on a pro re nata basis for various indications such as age-related macular degeneration (AMD), diabetic macular edema (DME), and retinal vein occlusion (RVO)...
July 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28719059/pancreatic-allograft-thrombosis-suggestion-for-a-ct-grading-system-and-management-algorithm
#15
Abdul Hakeem, John Chen, Satheesh Iype, Menna Clatworthy, Christopher Watson, Edmund M Godfrey, Sara Upponi, Kourosh Saeb-Parsy
Pancreatic allograft thrombosis (PAT) remains the leading cause of non-immunological graft failure. Herein we propose a new CT grading system of PAT to identify risk factors for allograft loss and outline a management algorithm by retrospective review of consecutive pancreatic transplants between 2009-2014. Triple-phase CT scans were graded independently by two radiologists as; Grade 0 - no thrombosis, Grade 1 - peripheral thrombosis, Grade 2 - intermediate non-occlusive thrombosis and Grade 3 - central occlusive thrombosis...
July 18, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28710306/ruxolitinib-treatment-in-an-infant-with-jak2-polycythaemia-vera-associated-budd-chiari-syndrome
#16
Mehmet Enes Coskun, Sue Height, Anil Dhawan, Nedim Hadzic
Budd-Chiari syndrome (BCS) is caused by hepatic venous outflow obstruction commonly seen with myeloproliferative neoplasms (MPNs). Polycythaemia vera (PV) is a very rare MPN in childhood. This is the youngest reported patient diagnosed with PV and BCS secondary to JAK V617F mutation.A 26-month-old girl was admitted with a 5-month history of abdominal distension, hepatosplenomegaly and ascites. Imaging studies revealed occlusion of the right hepatic vein and marked attenuation of the middle and left hepatic veins...
July 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28707821/splenic-vein-thrombosis-following-pancreas-transplantation-identification-of-factors-that-support-conservative-management
#17
Jack W Harbell, Tara Morgan, Vickie A Feldstein, Garrett R Roll, Andrew Posselt, Sang-Mo Kang, Sandy Feng, Ryutaro Hirose, Chris E Freise, Peter Stock
Prophylaxis for graft portal/splenic venous thrombosis following pancreas transplant varies between institutions. Similarly, treatment of venous thrombosis ranges from early re-exploration to conservative management with anticoagulation. We wished to determine the prevalence of graft splenic vein (SV) thrombosis, as well as the clinical significance of non-occlusive thrombus observed on routine imaging. Records of 112 pancreas transplant recipients over a five-year period at a single center were reviewed. Venous thrombosis was defined as absence of flow or presence of thrombus identified in any part of the graft SV on ultrasound...
July 14, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28706886/the-effects-of-indoxyl-sulfate-induced-endothelial-microparticles-on-neointimal-hyperplasia-formation-in-an-ex-vivo-model
#18
Jung-Hwa Ryu, HeeJung Park, Seung-Jung Kim
PURPOSE: Neointimal hyperplasia (NH) is considered to be one of the main causes of vascular access occlusion in patients receiving hemodialysis. Endothelial injury and TGF-β-mediated proliferation of vascular smooth muscle cells (VSMCs) induce NH. Endothelial microparticles (EMPs) are also increased by endothelial injury. We aimed to investigate the effects of EMPs and TGF-β expression on VSMC proliferation and their contributions to NH formation in an ex vivo model. METHODS: EMPs were collected from the culture media of human umbilical vein endothelial cells treated with indoxyl sulfate (IS, 250 µg/mL) after ultracentrifugation at 100,000 × g...
July 2017: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/28705343/-recanalization-procedure-of-the-common-femoral-vein-following-iatrogenic-femoral-chronic-occlusion-3%C3%A2-cases
#19
G Goudot, C Del Giudice, O Pellerin, M C Courtois, A Galloula, E Messas, T Mirault, M Sapoval
Common femoral vein occlusion (CFVO) is frequently found in patients with chronic venous insufficiency. The iatrogenic form, secondary to either central catheter or surgery, is very rare but highly symptomatic. Classical compression therapy barely improves the clinical status of these patients, making them suitable candidates for an interventional procedure for venous recanalization. METHODS: We report here three consecutive cases of iatrogenic CFVO referred to our outpatient clinic because the disease had an impact on daily life activities...
July 2017: J Med Vasc
https://www.readbyqxmd.com/read/28702166/venous-occlusion-test-applied-to-the-tributaries-of-the-superior-mesenteric-veins-of-the-pancreas-head-infiltrated-by-tumor
#20
Enio Campos Amico, José Roberto Alves, Samir Assi João, Joafran Alexandre Costa de Medeiros, Rogério Lacerda Sousa
A 64-year-old white woman presented with cholestatic jaundice, weight loss and a solid lesion in the pancreas head. At multislice computed tomography, a superior mesenteric vein (SMV) and one of it tributaries showed signs of tumor infiltration. At surgery, a venous occlusion test applied to the infiltrated tributary of the SMV showed immediate venous congestion in two-thirds of the distal small intestine. No reconstruction attempt was made due to the small size of the vessel. A biliodigestive anastomosis and lymph node biopsy was performed...
June 2017: Journal of Surgical Case Reports
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