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https://www.readbyqxmd.com/read/28214486/robotic-inferior-vena-cava-surgery
#1
Victor J Davila, Cristine S Velazco, William M Stone, Richard J Fowl, Haidar M Abdul-Muhsin, Erik P Castle, Samuel R Money
OBJECTIVE: Inferior vena cava (IVC) surgery is uncommon and has traditionally been performed through open surgical approaches. Renal cell carcinoma with IVC extension generally requires vena cavotomy and reconstruction. Open removal of malpositioned IVC filters (IVCF) is occasionally required after endovascular retrieval attempts have failed. As our experience with robotic surgery has advanced, we have applied this technology to surgery of the IVC. We reviewed our institution's experience with robotic surgical procedures involving the IVC to determine its safety and efficacy...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28213895/safety-of-implantation-of-a-leadless-pacemaker-via-femoral-approach-in-the-presence-of-an-inferior-vena-cava-filter
#2
Muhammad R Afzal, Janice Ackers, John D Hummel, Ralph Augostini
A 61-year-old woman with symptomatic complete heart block was referred for permanent pacemaker. The presence of a left sided arteriovenous fistula and right sided mastectomy with lymph node dissection precluded the implantation of a trans-venous pacemaker and therefore, a leadless pacemaker was recommended. The patient also had an inferior vena cava (IVC) filter. The passage of a 27 French introducer sheath housing the leadless pacemaker through IVC filter was carefully visualized under fluoroscopy and advanced to the right ventricle without any compromise to the filter...
February 17, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28213856/inferior-vena-cava-system-anomalies-surgical-implications
#3
REVIEW
Javier González, Jeffrey J Gaynor, Luis F Albéniz, Gaetano Ciancio
PURPOSE OF REVIEW: The inferior vena cava (IVC) system is the major venous collecting blood network of the human body. This structure is formed in a complicated series of developmental stages between the fourth and eighth weeks of intrauterine life. Alterations in the developing process of the IVC system give rise to an array of different congenital variants or developmental anomalies. RECENT FINDINGS: IVC anomalies are uncommon, usually of little physiological consequence, and mostly discovered incidentally during cross-sectional imaging in otherwise healthy individuals...
February 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28211313/detection-and-elimination-of-corynebacterium-bovis-from-barrier-rooms-by-using-an-environmental-sampling-surveillance-program
#4
Christopher A Manuel Umarani Pugazhenthi Shannon P Spiegel And Jori K Leszczynski
Rodent health-monitoring programs based on sampling an IVC system's exhaust air dust (EAD) has enhanced and evenreplaced traditional sentinels for some rodent pathogens. EAD testing by qPCR assay is an optimal surveillance methodfor the rapid detection of Corynebacterium bovis-infected immunodeficient mice. Here we demonstrate that an active EADsurveillance program for C. bovis can be used to maintain nude mice C. bovis-free after the transition from historically enzootically infected colonies. During 3 events over 3 y, rapid detection of infection, elimination of infected mice, aggressivequarantine measures, and local decontamination prevented the spread of C...
February 16, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28209545/robot-assisted-laparoscopic-resection-of-renal-vein-leiomyosarcoma
#5
Kathryn Trandem, Monty A Aghazadeh, Alvin C Goh
Leiomyosarcoma is a rare and aggressive retroperitoneal tumor arising from the smooth muscle of the tunica media. The IVC accounts for > 70% of all leiomyosarcomas, with the renal vein being limited to few case reports (1)(2)(3)(4)(5). Accurate pre-operative diagnosis is rare as the origin is unclear and its involvement of the vessels makes biopsy prohibitively dangerous (6). Treatment involves radical nephrectomy followed by adjuvant radiation and/or chemotherapy, with poor prognosis (7)(8). Herein, we describe the laproscopic dissection of a retroperitoneal renal vein tumor using a robotic approach...
February 13, 2017: Urology
https://www.readbyqxmd.com/read/28208936/supra-hepatic-inferior-vena-cava-thrombosis-surgical-challenges
#6
Senthil Muthuraman, Anand Ramamurthy, Mahesh Gopashetty, Cuddalore Sadasivam Vijayshankar, Anand Khakhar
Autosomal Dominant Polycystic Kidney Disease (ADPKD) is a chronic affliction characterized by numerous liver and kidney cysts. There is a gradual but progressive renal and liver impairment which may require combined liver-kidney transplantation. Compression of the retrohepatic Inferior Vena Cava (IVC) by an enlarged polycystic liver may impede clear visualization on pre-operative imaging and miss an underlying thrombosis or obliteration. This may result in an intra-operative surprise. Management can be challenging requiring modification of conventional surgical approach...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28193644/tumour-thrombus-of-the-inferior-vena-cava-extending-into-the-right-atrium-in-the-setting-of-colon-cancer
#7
Daniel Meyers, Nancy A Nixon, Angela Franko, Danny Ng, Vincent C Tam
Tumour thrombus is seen in renal cell and hepatocellular carcinoma, but is rarely reported in colorectal cancer. A woman aged 46 years, with metastatic colonic adenocarcinoma, was found to have a large mass in the inferior vena cava (IVC) extending into the right atrium. Although this lesion was initially thought to be bland thrombus, imaging with contrast-enhanced CT scan and contrast-enhanced ultrasound supported the diagnosis of tumour thrombus. Despite the large size of the lesion, the patient was asymptomatic...
February 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28185078/-ablation-of-av-nodal-reentrant-tachycardia-via-combined-access-through-the-medial-cubital-and-axillary-vein
#8
Tobias Schreiber, Philipp Attanasio, Frank Heinzel, Burkert Pieske, Wilhelm Haverkamp, Martin Huemer
If a transfemoral approach for catheter ablation procedures of paroxysmal supraventricular tachycardias is impossible, other access sites have to be considered. We present the case of a 78-year-old woman with an inferior vena cava (IVC) filter with symptomatic episodes of an atrioventricular nodal reentrant tachycardia (AVNRT). We used a combined cubital and axillary vein approach. The tachycardia was successfully ablated within the timeframe needed for conventional ablation.
February 9, 2017: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/28169486/hepatic-vena-cava-syndrome-new-concept-of-pathogenesis
#9
REVIEW
Santosh Man Shrestha, Masayoshi Kage, Byung Boong Lee
Hepatic vena cava syndrome (HVCS) also known as membranous obstruction of inferior vena cava was considered a rare congenital disease and included under Budd Chiari syndrome. It is now recognized as a bacterial infection induced disease related to poor hygienic living condition. Localized thrombophlebitis of IVC at the site close to hepatic veins (HV) outlets is the initial lesion which converts on resolution into stenosis or complete obstruction, the circulatory equilibrium being maintained by development of cavo-caval collateral anastomosis...
February 7, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28169374/microbiota-composition-of-simultaneously-colonized-mice-housed-under-either-a-gnotobiotic-isolator-or-individually-ventilated-cage-regime
#10
Randi Lundberg, Martin I Bahl, Tine R Licht, Martin F Toft, Axel K Hansen
Germ-free rodents colonized with microbiotas of interest are used for host-microbiota investigations and for testing microbiota-targeted therapeutic candidates. Traditionally, isolators are used for housing such gnotobiotic rodents due to optimal protection from the environment, but research groups focused on the microbiome are increasingly combining or substituting isolator housing with individually ventilated cage (IVC) systems. We compared the effect of housing systems on the gut microbiota composition of germ-free mice colonized with a complex microbiota and housed in either multiple IVC cages in an IVC facility or in multiple open-top cages in an isolator during three generations and five months...
February 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28168785/intermediate-term-hemodynamic-effects-of-single-inferior-vena-cava-valve-implant-for-the-treatment-of-severe-tricuspid-regurgitation
#11
Val Rakita, Vladimir Lakhter, Pravin Patil, Brian P O'Neill
Severe tricuspid regurgitation (TR) remains a vastly undertreated disease, with sustained elevation of right atrial (RA) pressure directly resulting in chronic end-organ damage. Recently, bi-caval valve implantation has been shown to improve symptoms in patients with symptomatic TR who are at high risk for surgery. We present the first report of intermediate term hemodynamic effects of single inferior vena cava (IVC) valve implantation (CAVI) for treatment of severe TR. We performed CAVI on a 66-year-old female with severe TR, who suffered from repeat hospitalizations for treatment refractory NYHA class III-IV heart failure symptoms and had prohibitive operative risk...
February 7, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28167283/pre-operative-renal-artery-embolization-and-suprarenal-ivc-filter-placement-for-prevention-of-fat-embolization-in-renal-angiomyolipoma-with-venous-extension
#12
Joshua Cornman-Homonoff, David Li, Marc Schiffman
Though generally considered benign, angiomyolipomas can invade through the renal vein into the inferior vena cava, putting patients at risk of catastrophic pulmonary fat embolization. Venous invasion is thus an indication for surgical resection but is thought to increase the risk of adverse operative outcomes including intraoperative hemorrhage and embolization of fat and/or tumor thrombus. We report a novel approach to mitigating these complications illustrated in the case of a 43-year-old woman with IVC-invasive renal AML who underwent successful radical nephrectomy after concurrent pre-operative renal artery embolization and placement of a retrievable suprarenal IVC filter...
January 26, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28163175/thrombosis-of-the-inferior-vena-cava-after-endovascular-aortic-repair-in-a-patient-with-may-thurner-syndrome-case-report-and-literature-review
#13
Firouza Dahi, Asimakis Gkremoutis, Marc Harth, Thomas Schmitz-Rixen, Michael Keese
Inferior vena cava (IVC) thrombosis is a rare complication of abdominal aortic aneurysm (AAA). A 70-year-old male patient of Italian origin presented with a 9.3 x 8.4 cm infrarenal AAA, which was treated by endovascular aortic repair (EVAR). He reported a history of ulcerative colitis and was on prednisolone 80 mg daily. Seven weeks postoperatively the patient was readmitted with a deep vein thrombosis including both iliac veins and IVC, and bilateral pulmonary embolism. Venous thrombectomy and decompression of the IVC was performed by partial resection of the aneurysm sac...
February 2, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28163172/endovascular-management-of-para-prosthetic-aortocaval-fistula-case-report-and-systematic-review-of-the-literature
#14
Claudio Bianchini Massoni, Giulia Rossi, Tiziano Tecchio, Paolo Perini, Antonio Freyrie
The aim of this article is to report a case of asymptomatic para-anastomotic aortocaval fistula (ACF) treated by endovascular aortic repair, and to review data of the literature on arteriovenous fistulae (AVF) secondary to abdominal aortic surgery. A 78-year-old male complained of worsening pain in the right lower limb since 2 months. He presented a history of right femoro-popliteal bypass for peripheral arterial occlusive disease and elective surgical treatment for a non-ruptured infrarenal aortic aneurysm (Dacron tube graft)...
February 2, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28149825/correlations-between-pulmonary-artery-pressures-and-inferior-vena-cava-collapsibility-in-critically-ill-surgical-patients-an-exploratory-study
#15
Stanislaw P Stawicki, Thomas J Papadimos, David P Bahner, David C Evans, Christian Jones
INTRODUCTION: As pulmonary artery catheter (PAC) use declines, search continues for reliable and readily accessible minimally invasive hemodynamic monitoring alternatives. Although the correlation between inferior vena cava collapsibility index (IVC-CI) and central venous pressures (CVP) has been described previously, little information exists regarding the relationship between IVC-CI and pulmonary artery pressures (PAPs). The goal of this study is to bridge this important knowledge gap...
October 2016: International Journal of Critical Illness and Injury Science
https://www.readbyqxmd.com/read/28149028/comparative-evaluation-of-central-venous-pressure-and-sonographic-inferior-vena-cava-variability-in-assessing-fluid-responsiveness-in-septic-shock
#16
Manjri Garg, Jyotsna Sen, Sandeep Goyal, Dhruva Chaudhry
OBJECTIVE: Fluid infusion, the most critical step in the resuscitation of patients with septic shock, needs preferably continuous invasive hemodynamic monitoring. The study was planned to evaluate the efficacy of ultrasonographically measured inferior vena cava collapsibility index (IVC CI) in comparison to central venous pressure (CVP) in predicting fluid responsiveness in septic shock. MATERIALS AND METHODS: Thirty-six patients of septic shock requiring ventilatory support (invasive/noninvasive) were included...
December 2016: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28145872/double-inferior-vena-cava-and-its-implications-during-endovascular-and-surgical-interventions-a-word-of-caution
#17
Nicolas W Shammas, Rayan Jo Rachwan, Ghassan Daher, Bassel Bou Dargham
Double inferior vena cava (DIVC) is present in 0.2%-3.0% of the general population. Its presence can be detected by computed tomographic angiography or magnetic resonance imaging. Identifying the presence of DIVC is important to define its relationship with the renal vein, its size when IVC filters are planned, the location of the left renal vein in relationship to the aorta, and for planning of IVC filter placement in the setting of deep vein thrombosis and pulmonary embolism. Finally, this entity should not be mistaken for lymphadenopathy and its course should be well understood before abdominal and pelvic/retroperitoneal surgical interventions...
February 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28139440/the-parasternal-short-axis-view-improves-diagnostic-accuracy-for-inferior-sinus-venosus-type-of-atrial-septal-defects-by-transthoracic-echocardiography
#18
Brian S Snarr, Michael Y Liu, Jeremy C Zuckerberg, Christine B Falkensammer, Sumekala Nadaraj, Danielle Burstein, Deborah Ho, Monique A Gardner, Arene Butto, Stanford G Ewing, Natesa G Pandian, Anirban Banerjee
BACKGROUND: Sinus venosus defects (SVD) of the inferior vena cava (IVC) type, or inferior SVDs, are an uncommon form of atrial communication located outside the confines of the fossa ovalis and involve override of the IVC. Despite numerous studies describing the anatomical and echocardiographic features of the inferior SVD, distinguishing this defect from a large secundum atrial septal defect (ASD) by echocardiography is often challenging. Accurate diagnosis of an inferior SVD and correct differentiation from a secundum ASD is essential for appropriate presurgical planning...
January 27, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28133953/successful-renal-transplantation-in-small-children-with-a-completely-thrombosed-inferior-vena-cava
#19
P Verghese, E Minja, V Kirchner, B Chavers, A Matas, S Chinnakotla
In small children with end-stage renal disease, an adult-size kidney transplant is the best option. However, in the face of a completely thrombosed inferior vena cava (IVC), such transplants can be challenging, given the difficulty of achieving adequate renal venous outflow and the risk of graft thrombosis. Using a new technique to anastomose the renal vein to the right hepatic vein/IVC junction, we successfully implanted an adult-size graft in 2 small children (9.8 kg and 14 kg) who had end-stage renal disease and a completely thrombosed IVC...
January 30, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28133294/-a-case-of-rectal-cancer-with-unresectable-liver-metastasis-responding-to-rechallenge-with-folfiri
#20
Mariko Kamiya, Katsuya Yoneyama, Yuki Doi, Junya Shirai, Yoshihiro Suzuki, Shinsuke Hatori, Takanobu Yamada, Tsutomu Sato, Naoto Yamamoto, Takashi Oshima, Norio Yukawa, Takaki Yoshikawa, Yasushi Rino, Munetaka Masuda
A 63-year-old man underwent low anterior resection for rectal cancer.A synchronous liver metastasis located in segment 8 was 12 cm in diameter and unresectable due to its proximity to the inferior vena cava(IVC).The postoperative pathological findings revealed a T3(SS), N0, M1(liver)Stage IV tumor, and wild type K-RAS was expressed.We chose FOLFIRI plus cetuximab(Cmab)for first-line chemotherapy.After 6 courses, we changed the molecular target drug from Cmab to bevacizumab( Bmab)because the liver metastasis remained unresectable...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
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