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https://www.readbyqxmd.com/read/28102772/an-extensive-suprarenal-inferior-vena-cava-thrombosis-successfully-treated-with-catheter-directed-thrombolysis-in-a-postpartum-14-year-old-girl
#1
Roxana Cristina Rimbas, Simona Ionela Călin, Horatiu Ionescu, Bogdan Dorobat, Dragos Vinereanu, Mircea Cinteza
We report a case of extensive early postpartum acute suprarenal inferior vena cava thrombosis in a 14-year-old girl. Management included catheter-directed-thrombolysis, aiming to save renal function and prevent fatal pulmonary embolism. Treatment decisions were mostly based on adult guidelines, as guidelines for the paediatric population are not yet available.
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January 19, 2017: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/28076290/tailored-interactive-sequences-for-continuous-mr-image-guided-freehand-biopsies-of-different-organs-in-an-open-system-at-1-0-tesla-t-initial-experience
#2
Florian Streitparth, Christian Althoff, Martin Jonczyk, Felix Guettler, Martin Maurer, Hendrik Rathke, Keno Moritz Sponheuer, Bernd Hamm, Ulf K Teichgräber, Maximilian de Bucourt
OBJECTIVES: To assess the feasibility, image quality, and accuracy of freehand biopsies of liver, bone, muscle, vertebral disc, soft tissue, and other lesions using balanced steady-state free precession (SSFP, balanced fast field echo: bFFE), spoiled and nonspoiled gradient echo (FFE), and turbo spin echo (TSE) sequences for interactive continuous navigation in an open magnetic resonance imaging (MRI) system at 1.0 tesla (T). METHODS: Twenty-six MR-guided biopsies (five liver, five bone, four muscle, four vertebral disc, one lung, one kidney, one suprarenal gland, and five soft or other tissue) were performed in 23 patients in a 1...
January 11, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/28073666/standard-endovascular-aneurysm-repair-in-patients-with-wide-infrarenal-aneurysm-necks-is-associated-with-increased-risk-of-adverse-events
#3
Nelson F G Oliveira, Frederico M Bastos Gonçalves, Marie Josee Van Rijn, Quirina de Ruiter, Sanne Hoeks, Jean-Paul P M de Vries, Joost A van Herwaarden, Hence J M Verhagen
OBJECTIVE: Endovascular aneurysm repair (EVAR) has progressively expanded to treat more challenging anatomies. Although EVAR in patients with wide infrarenal necks has been reported with acceptable results, there is still controversy regarding the longer-term outcomes. Our aim is to determine the impact of infrarenal neck diameter on midterm outcome following EVAR with a single endograft with suprarenal fixation. METHODS: A retrospective case-control study was designed using data from a prospective multicenter database...
January 7, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28011005/the-enduring-patency-of-primary-inferior-vena-cava-repair
#4
Neel A Mansukhani, George E Havelka, Irene B Helenowski, Heron E Rodriguez, Andrew W Hoel, Mark K Eskandari
BACKGROUND: Inferior vena cava repair after planned and unplanned venotomy is performed by either interposition bypass, patch venopasty, or lateral venorrhaphy and primary repair. Primary repair of the inferior vena cava avoids the use of foreign material and allows an all-autologous repair in an expeditious fashion. The purpose of this study was to demonstrate the utility of inferior vena cava repair, determine the degree of inferior vena cava stenosis, and examine clinical outcomes after primary repair...
December 20, 2016: Surgery
https://www.readbyqxmd.com/read/28008986/inhibition-of-farnesyl-pyrophosphate-synthase-improves-pressure-overload-induced-chronic-cardiac-remodeling
#5
Chen-Ze Zhao, Xu-Ming Zhao, Jian Yang, Yun Mou, Bin Chen, Huan-Dong Wu, Dong-Pu Dai, Jie Ding, Shen-Jiang Hu
Farnesyl pyrophosphate synthase (FPPS) is a key enzyme in the mevalonate pathway. In our previous studies, we find that inhibition of FPPS attenuates angiotensin II-induced cardiac hypertrophy and fibrosis by suppressing RhoA while FPPS and Ras are up-regulated in pressure overload rats. In this study, we evaluate the effects and mechanisms of FPPS inhibition in pressure overload mice. Male FPPS-small interfering RNA (SiRNA) transgenic (Tg) mice and non-transgenic littermate control (NLC) were randomly divided into suprarenal abdominal aortic constriction (AAC) group and sham operation group...
December 23, 2016: Scientific Reports
https://www.readbyqxmd.com/read/28006695/role-of-atrial-endothelial-cells-in-the-development-of-atrial-fibrosis-and-fibrillation-in-response-to-pressure-overload
#6
Osamu Kume, Yasushi Teshima, Ichitaro Abe, Yuki Ikebe, Takahiro Oniki, Hidekazu Kondo, Shotaro Saito, Akira Fukui, Kunio Yufu, Masahiro Miura, Tatsuo Shimada, Naohiko Takahashi
BACKGROUND: Monocyte chemoattractant protein-1 (MCP-1)-mediated inflammatory mechanisms have been shown to play a crucial role in atrial fibrosis induced by pressure overload. In the present study, we investigated whether left atrial endothelial cells would quickly respond structurally and functionally to pressure overload to trigger atrial fibrosis and fibrillation. METHODS AND RESULTS: Six-week-old male Sprague-Dawley rats underwent suprarenal abdominal aortic constriction (AAC) or a sham operation...
December 15, 2016: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/27987609/endovascular-management-of-chronic-total-occlusions-of-the-inferior-vena-cava-and-iliac-veins
#7
Erin H Murphy, Blake Johns, Elliot Varney, Seshadri Raju
OBJECTIVE: Percutaneous recanalization and stenting is currently the standard of care for symptomatic chronic total occlusions (CTOs) of the iliofemoral veins. CTO lesions involving the inferior vena cava (IVC) present a more complex patient subset. In this series we describe our single-center experience with endovascular recanalization of symptomatic occlusions of the IVC. METHODS: Patients were evaluated with duplex ultrasound imaging, venous function tests, and venography before intervention...
January 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/27986483/contemporary-open-repair-of-ruptured-abdominal-aortic-aneurysms
#8
Jeffrey J Siracuse, Brianna M Krafcik, Alik Farber, Jeffrey A Kalish, Andrew McChesney, Denis Rybin, Gheorghe Doros, Mohammad H Eslami
OBJECTIVE: Although endovascular repair of ruptured abdominal aortic aneurysms (rAAAs) is increasingly more prevalent and may yield better results, open repair of rAAAs is still commonly performed. Our goal was to assess the contemporary practice patterns and outcomes of open repair of rAAA. METHODS: The 2011-2014 American College of Surgeons National Surgical Quality Improvement Program targeted open AAA database was queried for all rAAAs. Patient characteristics, presentation, aneurysm details, and operative details were analyzed to identify factors that may affect outcome in this population of patients...
December 13, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27974495/a-systematic-review-of-proximal-neck-dilatation-after-endovascular-repair-for-abdominal-aortic-aneurysm
#9
George N Kouvelos, Kyriakos Oikonomou, George A Antoniou, Eric L G Verhoeven, Athanasios Katsargyris
PURPOSE: To provide an updated systematic literature review and summarize current evidence on proximal aortic neck dilatation (AND) after endovascular aneurysm repair (EVAR). METHODS: A review of the English-language medical literature from 1991 to 2015 was conducted using MEDLINE and EMBASE to identify studies reporting AND after EVAR. Studies considered for inclusion and full-text review fulfilled the following criteria: (1) reported AND after EVAR, (2) included at least 5 patients, and (3) provided data on AND quantification...
February 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/27894713/abdominal-aortic-aneurysm-in-marfan-syndrome
#10
Tracy Hagerty, Patrick Geraghty, Alan C Braverman
OBJECTIVE: Marfan syndrome (MFS) leads to aortic root aneurysm, while descending thoracic aortic aneurysm (TAA) occurs less commonly. Abdominal aortic aneurysm (AAA) is rarely reported in MFS. Risk factors for AAA are poorly understood and there are no guidelines for AAA screening in MFS. We sought to characterize AAA among Marfan patients in our center. METHODS: The records of 12 adults with MFS and AAA disease were reviewed. Clinical features, imaging, operative reports, and outcomes were analyzed...
November 25, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27890849/hybrid-treatment-of-a-suprarenal-aortic-aneurysm-with-an-infrarenal-aortobifemoral-surgical-graft-and-a-fenestrated-stent-graft
#11
Sebastian Nagel, Athanasios Katsargyris, Kyriakos Oikonomou, Eric L G Verhoeven
BACKGROUND: The aim of this study was to report a hybrid technique for the treatment of a suprarenal aortic aneurysm (SAA) in a patient with iliac occlusive disease. Initially, an infrarenal aortobifemoral surgical graft was implanted, followed by deployment of a fenestrated bifurcated stent graft at the suprarenal part of the aorta. METHODS: A 69-year-old man presented with a 51-mm saccular suprarenal aortic aneurysm and iliac occlusive disease with intermittent claudication...
November 24, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27890835/acute-kidney-injury-after-open-repair-of-intact-abdominal-aortic-aneurysms
#12
REVIEW
Charles Dariane, Raphaël Coscas, Celia Boulitrop, Isabelle Javerliat, Eve Vilaine, Olivier Goeau-Brissonniere, Marc Coggia, Ziad A Massy
BACKGROUND: These last years, considerable attention has been given to renal issues following endovascular aortic repair but acute kidney injury (AKI) also remains one of the most frequent complications following open repair (OR). Since AKI definition has evolved, our aim was to review the etiology, incidence, classifications, and consequences of AKI after OR for intact abdominal aortic aneurysm (AAA). METHODS: A review of the English language literature published between 2004 and 2016 was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) criteria...
November 24, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27890833/pulse-wave-analysis-after-treatment-of-abdominal-aortic-aneurysms-with-the-ovation-device
#13
Efstratios Georgakarakos, Christos Argyriou, George S Georgiadis, Miltos K Lazarides
BACKGROUND: Ovation aortic stent-graft system is a new device for the endovascular treatment of Abdominal Aortic Aneurysms achieving fixation via a 35-mm long, rigid anchored suprarenal stent and sealing stent at the infrarenal level by a means of a polymer-filling pair of inflatable O-rings, which cause narrowing of flow lumen and regional stenosis. Thus, concerns have been raised regarding hemodynamic consequences associated with this new design. Our preliminary report showed no significant increase of aortic pulse wave velocity (aPWV) immediately after implantation of the ovation in 3 patients...
November 25, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27889777/sodium-pentosan-polysulfate-reduced-renal-ischemia-reperfusion-induced-oxidative-stress-and-inflammatory-responses-in-an-experimental-animal-model
#14
Péter Hardi, Tibor Nagy, Gábor Fazekas, Endre Arató, Gábor Menyhei, György Sétáló, Mónika Vecsernyés, Örs Pintér, Ildikó Takács, Noémi Bohonyi, Gábor Jancsó
Acute kidney injury (AKI) remains an independent risk factor for mortality and morbidity after vascular surgery (affecting the renal arteries) or aortic surgery (requiring suprarenal aortic clamping). These types of vascular surgery produce renal ischemia/reperfusion (I/R) injury, a common cause of AKI. The present studies aimed at monitoring the course of renal I/R injury at the cellular level and investigating the efficacy of long-term preoperative and single-shot intraoperative administration of sodium pentosan polysulfate (PPS) to protect renal tissue from acute I/R injury both in native and diabetic kidneys in rats...
2016: Journal of Vascular Research
https://www.readbyqxmd.com/read/27889286/computational-fluid-analysis-of-symptomatic-chronic-type-b-aortic-dissections-managed-with-the-streamliner-multilayer-flow-modulator
#15
Florian Stefanov, Sherif Sultan, Liam Morris, Ala Elhelali, Edel P Kavanagh, Violet Lundon, Mohamed Sultan, Niamh Hynes
OBJECTIVE: Managing symptomatic chronic type B aortic dissection (SCTBAD) by the Streamliner Multilayer Flow Modulator (SMFM) stent (Cardiatis, Isnes, Belgium) is akin to provisional structural support to induce complete attachment of the dissection flap, but with the ability of aortic remolding. This study investigated the SMFM's capability to enact healing of SCTBAD. METHODS: Clinical data for 12 cases comprising preoperative and postoperative treatment of SCTBAD were obtained from a multicenter database hosted by the Multilayer Flow Modulator Global Registry, Ireland...
November 23, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27866882/commentary-on-the-endovascular-sealing-device-in-combination-with-parallel-grafts-for-treatment-of-juxta-suprarenal-abdominal-aortic-aneurysms-short-term-results-of-a-novel-alternative
#16
M Knowles, C Timaran
No abstract text is available yet for this article.
November 17, 2016: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/27826769/the-use-of-autologous-peritoneum-for-complete-caval-replacement-following-resection-of-major-intra-abdominal-malignancies
#17
Laurent Coubeau, Juan-Manuel Rico Juri, Olga Ciccarelli, Nicolas Jabbour, Jan Lerut
OBJECTIVE: Assessment of a simple layer peritoneal tube used as an autogenous inferior vena cava replacement. BACKGROUND: Extensive en-bloc multivisceral resection including major vessels is effective in selected abdominal malignancies, but the need for vascular reconstruction represents a surgical challenge. We describe the use of autologous peritoneum for caval replacement. METHODS: Autogenous parietal peritoneum without fascial backing was harvested and tubularized to replace the inferior vena cava (IVC) in four patients with complex abdominal tumors...
November 8, 2016: World Journal of Surgery
https://www.readbyqxmd.com/read/27812311/abnormal-gel-flotation-caused-by-contrast-media-during-adrenal-vein-sampling
#18
Gabriel Lima-Oliveira, Giuseppe Lippi, Gian Luca Salvagno, Matteo Gelati, Antonella Bassi, Alberto Contro, Francesca Pizzolo, Gian Cesare Guidi
INTRODUCTION: During adrenal venous sampling (AVS) procedure, radiologists administer a contrast agent via the catheter to visualize the proper catheter position. MATERIALS AND METHODS: A patient with primary aldosteronism diagnostic-hypothesis was admitted for AVS. A venogram was performed to
confirm the catheter's position with 2mL of Iopamidol 300 mg/mL. Samples were collected with syringe connected to a hydrophilic coated catheter by low-pressure aspiration from each of the four collection sites: inferior vena cava in the suprarenal portion, inferior vena cava in the infrarenal portion, left adrenal vein, and right adrenal vein; then immediately transferred from syringe to tubes with gel separator...
October 15, 2016: Biochemia Medica: časopis Hrvatskoga Društva Medicinskih Biokemičara
https://www.readbyqxmd.com/read/27793862/a-unique-presentation-of-a-complex-haemorrhagic-adrenal-pseudocyst
#19
Ryan James Geleit, Rakesh Bhardwaj, David Fish, Seshadri Sriprasad
A man aged 33 years presented with a 3-day history of left-sided testicular discomfort. Clinical examination revealed a large left-sided varicocele. He was referred for a testicular ultrasound, which demonstrated a moderate left-sided varicocele and an associated large suprarenal mass. An urgent (CT) scan was arranged which confirmed this, with associated compression of adjacent structures, including the left kidney and left renal vessels. The patient was admitted 1 week following the CT scan with features of sepsis...
October 28, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27769755/noninvasive-regional-aortic-stiffness-for-monitoring-the-early-stage-of-abdominal-aortic-aneurysm-in-mice
#20
Qiulun Lu, Xiuxin Jiang, Cheng Zhang, Wei Zhang, Wencheng Zhang
BACKGROUND: Abdominal aortic aneurysm (AAA) affects more than 5% of the population in developed countries. To study the formation and progression of AAA, we developed a non-invasive method to analyse regional aortic stiffness to monitor the formation and progression of AAA. METHODS: Saline or Angiotensin II (AngII) was subcutaneously infused in apolipoprotein E knockout (ApoE(-/-)) mice for 28 days; a high-resolution imaging system was used to identify changes in arterial stiffness measured by pulse-wave velocity (PWV) and aortic lumen diameter in the suprarenal aorta...
August 17, 2016: Heart, Lung & Circulation
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