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Inferior vena cava

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https://www.readbyqxmd.com/read/29351450/cardiac-vanilloid-receptor-1-afferent-depletion-enhances-stellate-ganglion-neuronal-activity-and-efferent-sympathetic-response-to-cardiac-stress
#1
Koji Yoshie, Pradeep S Rajendran, Louis Massoud, OhJin Kwon, Vasudev Tadimeti, Siamak Salavatian, Jeffrey Laurence Ardell, Kalyanam Shivkumar, Olujimi A Ajijola
Afferent fibers expressing the vanilloid receptor 1 (VR1) channel are implicated in cardiac nociception, however, their role in modulating reflex responses to cardiac stress is not well-understood. We evaluated this role in Yorkshire pigs by percutaneous epicardial application of resiniferatoxin (RTX), a toxic activator of the VR1 channel, resulting in depletion of cardiac VR1-expressing afferents. Hemodynamics, epicardial activation recovery intervals (ARIs), and in vivo activity of stellate ganglion (SG) neurons (SGNs) were recorded in control and RTX-treated animals...
January 16, 2018: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29351101/a-case-report-of-sudden-death-from-intracardiac-leiomyomatosis
#2
Thomas Shi, Michael J Shkrum
Sudden death resulting from intracardiac leiomyomatosis is rare. In this case, a 50-year-old woman was found to have intracardiac leiomyomatosis, which originated in veins in the broad ligament. Tumor filled the entire inferior vena cava and extended into the right heart where it had embolized and occluded the right main pulmonary artery. The mechanism of death was sudden right heart failure.
January 18, 2018: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/29349591/radical-resection-of-a-giant-retroperitoneal-calcifying-fibrous-tumor-combined-with-right-hepatectomy-and-reconstruction-of-the-inferior-vena-cava-and-bilateral-renal-veins
#3
Masaki Kimura, Hiroki Kato, Seishiro Sekino, Narihiro Ishida, Katsutoshi Murase, Katsuya Shimabukuro, Takafumi Sekino, Kiyoshi Doi, Masayuki Matsuo
BACKGROUND: We report a case of a giant retroperitoneal calcifying fibrous tumor (CFT) treated by radical tumor resection combined with right hepatectomy and reconstruction of the inferior vena cava (IVC) and bilateral renal veins. Only three case reports of CFT arising in the retroperitoneum have been reported until today. CASE PRESENTATION: In a 19-year-old female patient, computed tomography (CT) images showed a well-demarcated expansile lesion around the IVC accompanied by focal calcification, whereas the IVC that was circumferentially surrounded by the lesion was dilated due to the desmoplastic reaction...
January 18, 2018: Surgical Case Reports
https://www.readbyqxmd.com/read/29349401/staged-reconstruction-of-the-inferior-vena-cava-after-gunshot-injury
#4
Nathan M Droz, John K Bini, Kamran A Jafree, John H Matsuura
A 23-year-old man with a gunshot injury to the abdomen and cardiac arrest requiring emergency department thoracotomy had a transection of the distal inferior vena cava (IVC) and small bowel injury. Because of persistent hemorrhagic shock, the IVC was ligated. During the next 3 days, he developed worsening bilateral leg edema. He was taken back for reanastomosis of his small bowel and reconstruction of the IVC using autologous femoral vein harvested from the right leg. We think that patients requiring ligation of the vena cava with worsening leg edema can benefit from a staged reconstruction of the IVC...
September 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29349400/single-session-total-endovascular-iliocaval-reconstruction-with-stent-grafting-for-the-treatment-of-inferior-vena-cava-agenesis-and-concurrent-iliac-venous-aneurysm-rupture
#5
Jeffrey Forris Beecham Chick, Minhaj S Khaja, Steven Han, Kyle J Cooper, J Matthew Meadows, David M Williams
Iliac venous aneurysms are rare vascular abnormalities that may be manifested by abdominal masses, pelvic tenderness, or hypovolemia and may lead to rupture, thrombosis, pulmonary embolism, paradoxical embolism, or death. Inferior vena cava agenesis, like venous aneurysm, is an uncommon condition that may present with deep venous thrombosis. This report describes a patient with inferior vena cava agenesis and iliac venous aneurysm rupture treated with emergent iliocaval reconstruction and endovascular stent graft placement...
September 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29344381/impact-of-nutritional-indices-on-mortality-in-patients-with-heart-failure
#6
Akiomi Yoshihisa, Yuki Kanno, Shunsuke Watanabe, Tetsuro Yokokawa, Satoshi Abe, Makiko Miyata, Takamasa Sato, Satoshi Suzuki, Masayoshi Oikawa, Atsushi Kobayashi, Takayoshi Yamaki, Hiroyuki Kunii, Kazuhiko Nakazato, Hitoshi Suzuki, Takafumi Ishida, Yasuchika Takeishi
Background: Malnutrition is a common condition that is associated with adverse prognosis in patients with heart failure (HF). The Prognostic Nutritional Index (PNI), Geriatric Nutritional Risk Index (GNRI) and controlling nutritional status (CONUT) have all been used as objective indices for evaluating nutritional status. We aimed to clarify the relationship between these nutritional indices and the parameters of inflammatory markers, cardiac function and exercise capacity, as well as to compare the ability of these indexes for predicting mortality...
2018: Open Heart
https://www.readbyqxmd.com/read/29343922/periureteral-inferior-vena-caval-venous-ring-presenting-as-urinary-obstruction
#7
Suprava Naik, Arashdeep Singh, Sudipta Mohakud, Nerbadyswari Deep
The embryological development of the inferior vena cava (IVC) is complex, and thus the vena cava may undergo a large number of congenital anomalies. Periureteric venous ring is a rare developmental anomaly of IVC where the right ureter passes through a slit-like opening in a partially duplicated infrarenal IVC, resulting in dilatation of upper urinary tract. Split-bolus multidetector computed tomography technique is useful in detecting such vascular anomaly causing ureteric obstruction as it can clearly show the vascular and ureteric phase in a single acquisition...
January 2018: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/29343170/accuracy-of-ultrasonographic-measurements-of-inferior-vena-cava-to-determine-fluid-responsiveness-a-systematic-review-and-meta-analysis
#8
Daniele Orso, Irene Paoli, Tommaso Piani, Francesco L Cilenti, Lorenzo Cristiani, Nicola Guglielmo
OBJECTIVE: Fluid responsiveness is the ability to increase the cardiac output in response to a fluid challenge. Only about 50% of patients receiving fluid resuscitation for acute circulatory failure increase their stroke volume, but the other 50% may worsen their outcome. Therefore, predicting fluid responsiveness is needed. In this purpose, in recent years, the assessment of the inferior vena cava (IVC) through ultrasound (US) has become very popular. The aim of our work was to systematically review all the previously published studies assessing the accuracy of the diameter of IVC or its respiratory variations measured through US in predicting fluid responsiveness...
January 1, 2018: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/29341388/venous-anastomosis-by-piggyback-technique-to-avoid-twisting-of-the-pediatric-en-bloc-kidney-grafts
#9
Jun Li, Raphael Schild, Jochen Herrmann, Jun Oh, Lutz Fischer, Martina Koch
This is the first report of using piggyback technique for the venous anastomosis in two pediatric recipients of small en bloc kidneys, which was found to be effective to avoid twisting of the grafts and vessels. The donors were aged 2 and 3 years with a body weight of 17 and 20 kg. The recipient age was 14 and 16 years with a body weight of 42 and 54 kg. The implantation was done extraperitoneally in the right iliac fossa. The donor's inferior vena cava was anastomosed to the recipient's distal caval vein side-to-side using 6-0 polydioxanone running suture as the piggyback technique, initially dealing with the short vena cava graft in the first case...
January 16, 2018: Pediatric Transplantation
https://www.readbyqxmd.com/read/29340920/pure-laparoscopic-transhepatic-enucleation-of-a-mucinous-cystic-neoplasm-abutting-the-major-hepatic-veins-at-the-hepatocaval-confluence-with-video
#10
Ji Hoon Kim
BACKGROUND: A mucinous cystic neoplasm (MCN) of the liver is a rare disease entity, occurring predominantly in the left hemiliver as reported by Simo et al.1 Thomas et al.2 and Vogt et al.3 Surgical resection of tumors at the hepatocaval confluence is a technically demanding procedure. Enucleation procedures have been performed for the management of benign or premalignant lesions such as cystic tumors as previously described by Thomas et al.2 and Vogt et al.3. We present a patient who underwent pure laparoscopic transhepatic enucleation to treat a MCN abutting the major hepatic veins at the hepatocaval confluence...
January 16, 2018: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29340792/internal-jugular-vein-variability-predicts-fluid-responsiveness-in-cardiac-surgical-patients-with-mechanical-ventilation
#11
Guo-Guang Ma, Guang-Wei Hao, Xiao-Mei Yang, Du-Ming Zhu, Lan Liu, Hua Liu, Guo-Wei Tu, Zhe Luo
BACKGROUND: To evaluate the efficacy of using internal jugular vein variability (IJVV) as an index of fluid responsiveness in mechanically ventilated patients after cardiac surgery. METHODS: Seventy patients were assessed after cardiac surgery. Hemodynamic data coupled with ultrasound evaluation of IJVV and inferior vena cava variability (IVCV) were collected and calculated at baseline, after a passive leg raising (PLR) test and after a 500-ml fluid challenge. Patients were divided into volume responders (increase in stroke volume ≥ 15%) and non-responders (increase in stroke volume < 15%)...
January 16, 2018: Annals of Intensive Care
https://www.readbyqxmd.com/read/29338669/successful-operative-treatment-of-uterine-leiomyoma-with-extensive-intravenous-extension-to-the-ivc-right-heart-and-pulmonary-arteries
#12
Ranjeet Brar, Alicia Skervin, Karim El-Sakka, Andrew Fish, Michael Lewis
INTRODUCTION: Intravenous extension of benign uterine leiomyomata ('fibroids'), in the absence of discrete metastatic disease has rarely been reported. 'Fibroids' remain one of the most common premenopausal uterine pathologies. METHODS AND RESULTS: We report the diagnosis and multidisciplinary led operative management of a 52-year-old woman with a histologically benign, but biologically aggressive, uterine leiomyoma with intravenous extension to the inferior vena cava (IVC), right heart and pulmonary arteries...
January 17, 2018: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/29337211/extraperitoneal-para-aortic-lymphadenectomy-by-robot-assisted-laparoscopy
#13
Ana Gomes da Costa, Yves Borghesi, Delphine Hudry, Julie Faes, Lucie Bresson, Fabrice Narducci, Eric Leblanc
STUDY OBJECTIVE: The aim of this study was to evaluate the outcomes of extraperitoneal para-aortic lymphadenectomy by robot-assisted laparoscopy. DESIGN: A retrospective study (Canadian Task Force classification III). SETTING: An academic institution. PATIENTS: Twenty-three consecutive patients with gynecologic cancer who presented for para-aortic lymphadenectomy between March 2016 and May 2017 were reviewed retrospectively...
January 11, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29337042/endovascular-recanalization-for-nonmalignant-obstruction-of-the-inferior-vena-cava
#14
Young Erben, Haraldur Bjarnason, Gudrun L Oladottir, Robert D McBane, Peter Gloviczki
OBJECTIVE: The aim of this study was to evaluate outcomes of endovascular recanalization of the inferior vena cava (IVC) and iliac veins with long-standing chronic venous obstruction caused by nonmalignant disease. METHODS: Medical records for 66 patients who underwent endovascular recanalization of the IVC with or without iliac veins from January 2001 to December 2014 at our medical center were retrospectively reviewed. Primary outcomes included morbidity and mortality; secondary outcomes included primary, primary assisted, and secondary patency and resolution of symptoms...
January 11, 2018: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/29333420/technique-for-orthotopic-liver-transplantation-in-cynomolgus-monkeys-macaca-fascicularis
#15
Kyo Won Lee, Chan Woo Cho, Hyojun Park, Gyu-Seong Choi, Jae Berm Park, Sung Joo Kim
Purpose: Recent studies investigating new strategies to modulate the immune system have utilized animal models of liver transplantation (LT). However, the anhepatic phase (AHP) remains a crucial problem in LT. The aim of the present study is to introduce a technique for successful orthotopic LT in cynomolgus monkeys using an early-reperfusion strategy. Methods: Orthotopicallo-LT was performed with seven donor/recipient pairs of cynomolgus monkeys. Results: In 2 recipients, liver allografts were perfused after suprahepatic inferior vena cava (SHIVC), portal vein (PV), and infrahepatic inferior vena cava (IHIVC) anastomosis...
January 2018: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/29332206/oncological-outcomes-after-cytoreductive-nephrectomy-for-patients-with-metastatic-renal-cell-carcinoma-with-inferior-vena-caval-tumor-thrombus
#16
Hideaki Miyake, Takayuki Sugiyama, Ryota Aki, Yuto Matsushita, Keita Tamura, Daisuke Motoyama, Toshiki Ito, Atsushi Otsuka
BACKGROUND: To evaluate the oncological outcomes of patients with metastatic renal cell carcinoma (mRCC) involving the inferior vena cava (IVC) who received cytoreductive nephrectomy. METHODS: This study included 75 consecutive metastatis renal cell carcinoma (mRCC) patients with inferior vena cava (IVC) tumor thrombus undergoing cytoreductive nephrectomy and tumor thrombectomy followed by systemic therapy. RESULTS: Of the 75 patients, 11, 33, 24 and 7 had level I, II, III and IV IVC thrombus, respectively...
January 13, 2018: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29331855/retrievable-inferior-vena-cava-filters-in-pregnancy-risk-versus-benefit
#17
REVIEW
David A Crosby, Kevin Ryan, Niall McEniff, Patrick Dicker, Carmen Regan, Caoimhe Lynch, Bridgette Byrne
OBJECTIVE: Venous thromboembolism remains one of the leading causes of maternal mortality in the developed world. Retrievable inferior vena cava (IVC) filters have a role in the prevention of lethal pulmonary emboli when anticoagulation is contraindicated or has failed [1]. It is unclear whether or not the physiological changes in pregnancy influence efficacy and complications of these devices. The decision to place an IVC filter in pregnancy is complex and there is limited information in terms of benefit and risk to the mother...
December 21, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29329965/migration-of-inferior-vena-cava-filter-during-the-surgery-of-tibial-shaft-fracture-a-case-report
#18
Kazuyoshi Baba, Taku Hatta, Koichi Sasajima, Mitsuyoshi Mineta, Eiji Itoi, Toshitake Aizawa
No abstract text is available yet for this article.
January 9, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29327650/transesophageal-echocardiography-use-in-diagnosis-and-management-of-embolized-intravascular-foreign-bodies
#19
James Taylor Herbert, Miklos David Kertai
The increasing use of endovascular interventions coupled with the large number of published case series detailing complications attest to the likelihood that anesthesiologists will encounter a case of intravascular foreign body embolization during their careers. Transesophageal echocardiography is essential to the diagnosis and management of traumatic and intravascular foreign bodies embolized to the heart because it can identify not only the foreign body but also hemodynamically significant lesions to radiolucent anatomic structures prior to and during surgical exploration...
October 1, 2017: Seminars in Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29325292/-therapeutic-effect-of-transcatheter-arterial-chemoembolization-combined-with-ultrasound-guided-microwave-ablation-for-treatment-of-liver-cancer-in-special-sites
#20
A Liu, W Xu, H Xu, Y Wang, Y M Gu
Objective: To investigate the efficacy and clinical value of transcatheter arterial chemoembolization (TACE) combined with ultrasound-guided microwave ablation for the treatment of liver cancer in special sites. Methods: The patients with liver cancer in special sites (the liver cancer was adjacent to the gallbladder, dome of diaphragm, gastrointestinal tract, heart, great vessels, and portal vein, with the shortest distance from the tumor to the organ/lumen < 0.5 cm ) were enrolled as treatment group, and the patients with primary liver cancer in normal sites treated in our hospital during the same period were randomly enrolled as control group...
December 20, 2017: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
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