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https://www.readbyqxmd.com/read/29642860/atrophic-inferior-vena-cava-is-a-marker-of-chronicity-of-intra-filter-and-inferior-vena-cava-thrombosis-based-on-ct-findings
#1
Liang Chen, Wanyin Shi, Jianping Gu, Xu He, Wensheng Lou
BACKGROUND: A permanently indwelling filter in the inferior vena cava (IVC) may induce caval thrombosis, which could develop and evolve from an acute to a chronic phase. The differential diagnosis of acute and chronic thromboses determines the treatment strategy. The role of computed tomography (CT) in diagnosing acute and chronic intra-filter and IVC thromboses has not been well established. This retrospective study summarizes the CT signs that indicate acute and chronic phases of intra-filter and IVC thromboses...
April 11, 2018: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/29613956/optimal-timing-of-initiation-of-thromboprophylaxis-in-spine-trauma-managed-operatively-a-nationwide-propensity-matched-analysis-of-trauma-quality-improvement-program
#2
Muhammad Zeeshan, Muhammad Khan, Terence O'Keeffe, Nina Pollack, Mohammad Hamidi, Narong Kulvatunyou, Joseph V Sakran, Lynn Gries, Bellal Joseph
INTRODUCTION: Patients with spinal trauma are at high-risk for venous-thromboembolism(VTE). Guidelines recommend prophylactic anticoagulation but they are unclear on timing of initiation of thromboprophylaxis. The aim of our study was to assess the impact of early vs late initiation of venous thromboprophylaxis in patients with spinal trauma who underwent operative intervention. METHODS: We performed a 2-year (2013-14) review of patients with isolated spine trauma (S-AIS≥3 and no other injury in another body region with AIS>2) who underwent operative intervention and received thromboprophylaxis post-operatively...
April 2, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29603681/a-comparative-cfd-study-of-four-inferior-vena-cava-filters
#3
Josep M López, Gerard Fortuny, Dolors Puigjaner, Joan Herrero, Francesc Marimon
Computational fluid dynamics was used to simulate the flow of blood within an inferior vena cava (IVC) geometry model that was reconstructed from computed tomography images obtained from a real patient. The main novelty of the present work is that we simulated the implantation of four different filter models in this realistic IVC geometry. We considered different blood flow rates in the range between Vin =20 and Vin =80cm3 /s and all simulations were performed with both the Newtonian and a non-Newtonian model for the blood viscosity...
March 30, 2018: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/29602758/new-method-for-ultrasound-guided-inferior-vena-cava-filter-placement
#4
Xiaojuan Qin, Chengfa Lu, Pingping Ren, Jin Gu, Yi Zheng, Chen Yu, Jian Wang, Mingxing Xie
OBJECTIVE: Transabdominal ultrasound (TAUS)-guided inferior vena cava filter (IVCF) placement currently uses an inferior vena cava (IVC) longitudinal plane with cross-section of the right renal artery or the transverse plane of the right renal vein (RRV)-IVC intersection. The goal of this study was to introduce a new method for TAUS-guided IVCF placement. METHODS: The study enrolled patients who were at high risk for or had pulmonary embolism from October 22, 2010, to June 30, 2016...
March 27, 2018: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/29563124/migration-of-a-fractured-inferior-vena-cava-filter-strut-to-the-right-ventricle-of-the-heart
#5
Zeyad Sako, Sindhu Reddy Avula, Elissa Gaies, Rebecca Daniel
Inferior vena cava (IVC) filters are increasingly used in patients with recurrent venous thromboembolism in whom anticoagulation is contraindicated or intolerable. Migration of fragments is a known complication of IVC filter use. We present a case of a 32-year-old man, who presented with right-sided chest pain believed to be caused by a migrated IVC fragment to the right ventricle. The filter was removed by an endovascular cook forceps with the assistance of intracardiac echocardiography. This case serves as an addition to the existing reports of successful removal of intracardiac fragments via minimally invasive endovascular approach, amid a larger number of intracardiac fragments that have been removed by an open-heart approach...
March 21, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29555003/evaluation-of-extended-sanitation-interval-for-cage-top-components-in-individually-ventilated-mouse-cages
#6
Brianne Ls Ball, Kathleen M Donovan, Steven Clegg, James T Sheets
Sanitation frequency of mouse cage components can be determined through verification of microenvironment, including microbiologic load and air quality within the cage. Here we demonstrate a consistent microbiologic load on wire IVC lids that were used for as long as 8 continuous weeks to house 4 or 5 mice and significant decreases in the microbial load on filter tops at 4, 6, and 8 wk compared with 2 wk. In addition, air quality, represented by intracage ammonia concentration at the time of bedding change, did not differ between 2-, 4-, and 6-wk time points in cages containing same-sex groups of 4 or 5 male or female adult mice...
March 1, 2018: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/29541838/broken-wings-first-reported-cases-of-fractured-angel-%C3%A2-catheters-a-temporary-combined-femoral-venous-catheter-and-retrievable-ivc-filter-device
#7
Mohammed Rashid Akhtar, Jimmy Kyaw Tun, Riad Alchanan, Ounali Jaffer, Snehal Patel, Joo-Young Chun, Nicholas Bunker, Tim Fotheringham
There has been increasing use of a novel combined femoral venous sheath, catheter and retrievable self-expanding and collapsible diamond-shaped IVC filter (Angel® Catheter, BiO2 Medical), in severely injured patients who cannot receive anticoagulation. As the filter is not detached from the catheter/sheath, it should be easily retrieved. Outcomes included in large registries demonstrate a high safety profile and a 100% retrieval rate. However, at our institution-a Level 1 major UK trauma centre with 4 years of substantial experience in using this device-we've encountered three cases of device fracture and subsequent complicated retrieval dating from Dec 2016 to March 2017...
March 14, 2018: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/29531727/successful-implantation-of-a-micra-leadless-pacemaker-via-collateral-femoral-vein-and-inferior-vena-cava-filter
#8
Erica Flores, Mayur Patel, Geoffery Orme, Wilber Su
This case details the successful implementation of a leadless pacemaker device in a patient with multiple venous occlusions and an IVC filter. As the incidence of IVC filters increases in patients with dysrhythmias, further investigations are required to determine the risk and safety of leadless pacemaker placement in this population.
March 2018: Clinical Case Reports
https://www.readbyqxmd.com/read/29526534/ivc-filter-malpractice-litigation-damned-if-you-do-damned-if-you-don-t
#9
John Phair, John Denesopolis, Evan C Lipsitz, Larry Scher
OBJECTIVE: To analyze malpractice litigation trends and to better understand the causes and outcomes of suits involving inferior vena cava filters (IVCF) to prevent future litigation and improve physician education. METHODS: Jury verdict reviews from the WESTLAW database from January 1st 2000 to December 31st 2015 were reviewed. The search term "inferior vena cava filter" was used to compile data on the demographics of the defendant, plaintiff, allegation, complication, and verdict...
March 8, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29515711/successful-percutaneous-retrieval-of-ivc-filter-with-wide-retroperitoneal-penetration-presenting-with-gastrointestinal-bleeding
#10
Jordan M Bond, Erik Wayne, Amit J Dwivedi, Abindra Sigdel
Symptomatic penetration of the retroperitoneal structures by inferior vena cava (IVC) filter is a rare clinical entity. Vast majority of these patients require laparotomy and open retrieval of the filter. We report a case of a filter penetrating into the duodenum within two months of implantation resulting in gastrointestinal bleeding. The patient was successfully managed with percutaneous retrieval of the filter, blood transfusion and serial abdominal examination thus avoiding laparotomy.
December 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29515698/management-of-pulmonary-thromboembolism-based-on-severity-and-vulnerability-to-thrombolysis
#11
Wakako Fukuda, Satoshi Taniguchi, Ikuo Fukuda, Mari Chiyoya, Chikashi Aoki, Norihiro Kondo, Kaoru Hattori, Kazuyuki Daitoku, Ryosuke Kowatari, Masahito Minakawa, Yasuyuki Suzuki
Background : The incidence of pulmonary thromboembolism has been considered rare in Japan. However, its occurrence has been increasing because of westernized lifestyle and diet, increased diagnostic technique, and recognition of this disease. Method : Between January 2003 and September 2014, 179 patients were treated for pulmonary thromboembolism. We classified these patients into 3 groups; Massive (n=35), Sub-massive (n=29) and Nonmassive (n=115) and retrospectively reviewed the treatment options and the outcome...
December 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29505014/development-of-a-postoperative-occlusive-thrombus-at-the-site-of-an-implanted-inferior-vena-cava-filter-a-case-report
#12
Ayako Kukida, Yasushi Takasaki, Mio Nakata, Tasuku Nishihara, Sakiko Kitamura, Sonoko Fujii, Yuji Watanabe, Toshihiro Yorozuya
RATIONALE: Although an inferior vena cave (IVC) filter is placed to prevent fatal pulmonary embolism (PE), several complications associated with an IVC filter have been reported. We describe a case with symptomatic PE, of which the origin was an occlusive IVC thrombus that developed from the placement of an IVC filer after a laparoscopy-assisted total gastrectomy (LATG). PATIENT CONCERNS: A 71-year-old man underwent LATG under general anesthesia alone. He had an IVC filter implanted 13 years ago...
January 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29504991/delayed-retroperitoneal-arterial-hemorrhage-after-inferior-vena-cava-filter-deployment-a-case-report
#13
Yongzheng Wang, Haiyang Chang, Wujie Wang, Wei Wang, Bin Liu, Zheng Li, Yuliang Li
RATIONALE: Pulmonary embolization is a life-threatening condition. The deployment of inferior vena cava (IVC) filter is the first choice for preventing embolus from the lower extremity. However, IVC filter complications are rare but not to be neglected. Penetration of the arterial wall may result in catastrophic damages. This case report describes a woman who suffered from retroperitoneal hemorrhage after placement of an IVC filter due to a pulmonary embolization. Her filter was found to have penetrated the right lumbar artery and caused the massive bleeding...
January 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29498571/the-role-of-preoperative-deep-vein-thrombosis-screening-in-neurooncology
#14
Anmol Pandey, Bhaskar Thakur, Florence Hogg, Christian Brogna, Jamie Logan, Roopen Arya, Richard Gullan, Ranjeev Bhangoo, Keyoumars Ashkan
OBJECTIVE Venous thromboembolism (VTE) is a major cause of morbidity in patients undergoing neurosurgical intervention. The authors postulate that the introduction of a routine preoperative deep vein thrombosis (DVT) screening protocol for patients undergoing neurosurgical intervention for brain tumors would result in a more effective diagnosis of DVT in this high-risk subgroup, and subsequent appropriate management of the condition would reduce pulmonary embolism (PE) rates and improve patient outcomes. METHODS The authors conducted a prospective study of 115 adult patients who were undergoing surgical intervention for a brain tumor...
March 2, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29487036/an-experimental-and-computational-study-of-the-inferior-vena-cava-hemodynamics-under-respiratory-induced-collapse-of-the-infrarenal-ivc
#15
Elisabetta Tedaldi, Chiara Montanari, Kenneth I Aycock, Francesco Sturla, Alberto Redaelli, Keefe B Manning
Inferior vena cava (IVC) filters have been used for over five decades as an alternative to anticoagulation therapy in the treatment of venous thromboembolic disease. However, complications associated with IVC filters remain common. Though many studies have investigated blood flow in the IVC, the effects of respiration-induced IVC collapse have not been evaluated. Our hypothesis is that IVC collapse may have an influence on IVC filter performance. Therefore, we herein investigate the hemodynamics in uncollapsed and collapsed IVC configurations using in vitro flow experiments and computational simulations...
February 24, 2018: Medical Engineering & Physics
https://www.readbyqxmd.com/read/29478911/an-individualised-strategy-and-long-term-outcomes-of-endovascular-treatment-of-budd-chiari-syndrome-complicated-by-inferior-vena-cava-thrombosis
#16
P-X Ding, X He, X-W Han, Y Zhang, Y Wu, X-X Liang, C Liu
OBJECTIVES: The aim was to evaluate individualised treatment and long-term outcomes of endovascular treatment of Budd-Chiari syndrome (BCS) complicated by inferior vena cava (IVC) thrombosis. METHODS: Between April 2005 and December 2015, 108 consecutive patients with BCS complicated by IVC thrombosis underwent endovascular treatment. According to the type, size, extent, and degree of organisation of the thrombus, agitation thrombolysis (n = 7), agitation thrombolysis combined with retrieval stent filter (n = 5), pre-dilation (n = 32), retrieval stent filter (n = 56), or direct large balloon dilation (n = 8) was performed...
February 22, 2018: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29399535/deep-venous-thrombosis-in-pregnancy-incidence-pathogenesis-and-endovascular-management
#17
REVIEW
Paola Devis, M Grace Knuttinen
Deep venous thrombosis (DVT) during pregnancy is associated with high mortality, morbidity, and costs. Pulmonary embolism (PE), its most feared complication, is the leading cause of maternal death in the developed world. DVT can also result in long-term complications that include postthrombotic syndrome (PTS) adding to its morbidity. Women are up to 5 times more likely to develop DVT when pregnant. The current standard of care for this condition is anticoagulation. This review discusses the epidemiology, pathogenesis, prophylaxis and diagnosis of DVT during pregnancy, and then focuses on endovascular treatment modalities...
December 2017: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/29399516/below-knee-deep-vein-thrombosis-dvt-diagnostic-and-treatment-patterns
#18
Drew Fleck, Hassan Albadawi, Alex Wallace, Grace Knuttinen, Sailendra Naidu, Rahmi Oklu
Background: Guidelines are lacking for isolated below-knee deep vein thrombosis (BKDVT). The American College of Chest Physicians (ACCP) suggests anticoagulation only if symptoms are severe, otherwise surveillance with follow-up ultrasound in 2 weeks is recommended. Yet clinical practice remains highly variable. Little is known about the natural history of BKDVT and how to best manage these patients. Methods: A retrospective analysis was conducted of medical records from 2014-2016...
December 2017: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/29396157/differences-in-radial-expansion-force-among-inferior-vena-cava-filter-models-support-documented-perforation-rates
#19
J Eli Robins, Ihab Ragai, Dean J Yamaguchi
OBJECTIVE: Inferior vena cava (IVC) filters are used in patients at risk for pulmonary embolism who cannot be anticoagulated. Unfortunately, these filters are not without risk, and complications include perforation, migration, and filter fracture. The most prevalent complication is filter perforation of the IVC, with incidence varying among filter models. To our knowledge, the mechanical properties of IVC filters have not been evaluated and are not readily available through the manufacturer...
January 30, 2018: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/29359241/utility-of-retrievable-inferior-vena-cava-filters-a-systematic-literature-review-and-analysis-of-the-reasons-for-nonretrieval-of-filters-with-temporary-indications
#20
Zhongzhi Jia, Tyler A Fuller, J Mark McKinney, Ricardo Paz-Fumagalli, Gregory T Frey, David M Sella, Thuong Van Ha, Weiping Wang
OBJECTIVE: To investigate the use of retrievable inferior vena cava (IVC) filters in the current practice and analyze the causes of filter left in situ despite initial plans for retrieval. METHODS: A systematic search of all English-language studies of retrievable IVC filters was conducted, including clinical trials and observational studies published between January 1984 and March 2016. RESULTS: A total of 103 studies were identified, including 10 filter models in 20,319 patients...
January 22, 2018: Cardiovascular and Interventional Radiology
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