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congenital IVC

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https://www.readbyqxmd.com/read/29214485/two-phase-contrast-injection-protocol-for-pediatric-cardiac-computed-tomography-in-children-with-congenital-heart-disease
#1
Naoki Fukuyama, Akira Kurata, Naoto Kawaguchi, Ryo Tashiro, Takashi Higaki, Takahiro Yokoi, Yuki Tanabe, Hikaru Nishiyama, Toshihide Itoh, Teruhito Kido, Masao Miyagawa, Teruhito Mochizuki
To assess a two-phase contrast injection protocol for contrast enhancement during cardiac computed tomography (CT) in children with congenital heart disease. Forty-three children (20 boys, 23 girls) of median age 13 months (range 3 days-8.3 years) and weighing ≤ 20 kg who underwent cardiac CT using a two-phase contrast injection protocol at our institution were retrospectively identified. High-pitch spiral third-generation dual-source cardiac CT (tube voltage 70 kV) was performed with a fixed delay of 60 s after contrast injection in the order of 10 mgI/kg/s (30 s), 15 mgI/kg/s (20 s), and a saline chaser (10 s)...
December 6, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/29119240/ivc-filter-placements-in-children-nationwide-comparison-of-practice-patterns-at-adult-and-children-s-hospitals-using-the-kids-inpatient-database
#2
Vibhor Wadhwa, Premal S Trivedi, Sumera Ali, Robert K Ryu, Amir Pezeshkmehr
BACKGROUND: Inferior vena cava (IVC) filter placement in children has been described in literature, but there is variability with regard to their indications. No nationally representative study has been done to compare practice patterns of filter placements at adult and children's hospitals. OBJECTIVE: To perform a nationally representative comparison of IVC filter placement practices in children at adult and children's hospitals. MATERIALS AND METHODS: The 2012 Kids' Inpatient Database was searched for IVC filter placements in children <18 years of age...
November 8, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/29078654/unusual-case-of-subxiphoid-uniportal-vats-right-upper-lobectomy-in-a-patient-with-interrupted-inferior-vena-cava-with-azygous-continuation
#3
Firas Emad Abu Akar, Chenlu Yang, Yiming Zhou, Lei Lin, Diego Gonzalez-Rivas, Lei Jiang
Interrupted IVC (also known as Azygos continuation of the inferior vena cava) is a relatively uncommon congenital condition with prevalence 1.5% (0.2-3%) of the general population (Bass et al.). Although it's usually asymptomatic condition, splenic or cardiac abnormalities could be associated (Hardwick et al.). Incidental diagnosis during prenatal ultrasound screening or by routine imaging is the most common scenario. Special attention is required during right side thoracic procedures surgical resections in order to avoid scarifying the azygos vein that could lead to fatal results (Effler et al...
2017: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/28813774/pulmonary-embolism-caused-by-popliteal-vein-aneurysm-a-case-report
#4
Kevin Marquez, Kalyan Chakravarthy Potu, Chad Laurich, Randall Lamfers
In this case report, we describe an unusual episode of bilateral submassive pulmonary embolism (PE) caused by a popliteal vein aneurysm (PVA). The development of PE stems from many risk factors including obesity (BMI³ 30 kg/m2), hypertension, cigarette smoking (greater than 25 cigarettes per day), increasing age, surgery, immobility, malignancy, and inherited thrombophilia. A PVA is a rare but significant cause of PE. A 28-year-old male presented to the emergency department with progressive shortness of breath...
March 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28708286/baseline-diameters-of-inferior-vena-cava-and-abdominal-aorta-measured-by-ultrasonography-in-healthy-term-neonates-during-early-neonatal-adaptation-period
#5
Anna Jarosz-Lesz, Katarzyna Michalik, Iwona Maruniak-Chudek
OBJECTIVES: To evaluate normative sonographic measurements of the inferior vena cava (IVC), aorta (Ao), and IVC/Ao ratio in the first 2 days of life in term neonates. METHODS: We prospectively observed 200 term (more than 36 and 6/7 weeks of gestation), single, healthy neonates born in a city hospital. The exclusion criteria were congenital abnormalities, an Apgar score of less than 8, and hyperbilirubinemia requiring phototherapy. Maximum IVC (distal to the hepatic-IVC junction) and Ao (above the superior mesenteric artery) diameters were measured in the first 2 days of life in the longitudinal plane...
July 14, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28694584/retrocaval-ureter-clinical-images
#6
Pradeep Agrawal, Ravi Prakash Kanojia, Akshay Saxena
Retrocaval ureter (RCU) is a rare congenital anomaly with the ureter looping around inferior vena cava (IVC). We present the case of 10-year-old boy. Diagnosis was confirmed with ultrasound and CT. He underwent retroperitoneoscopic uretero-ureterostomy.
July 2017: Journal of Indian Association of Pediatric Surgeons
https://www.readbyqxmd.com/read/28674724/infantile-scimitar-syndrome-with-unusual-associations
#7
Abullah Al-Shamrani, Reem S AlSadi, Motea E Elhoury, Adel S AlHarbi
Scimitar syndrome is a variant of partial anomalous pulmonary venous connection (PAPVC), in which all or part of the right lung is drained by right pulmonary veins that anomalously connect to the inferior vena cava (IVC). The affected lung and its associated airways are often hypoplastic. In addition, aortopulmonary collateral vessels may be involved on the affected side, causing sequestration of that side; such involvement is commonly associated with cardiac defects. We report a case of infantile scimitar syndrome that involved a typical association with the right lung, but with extremely unusual associations with congenital hydrocephalus and heart blockage...
July 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28626378/partial-hepatectomy-with-middle-hepatic-vein-reconstruction-using-a-left-inferior-vena-cava-graft
#8
Yusuke Kawamoto, Yusuke Ome, Kazuyuki Kawamoto
Duplicated inferior vena cava (IVC) is a rare congenital anomaly. We describe the utility of a new graft from the left IVC in a patient with duplicated IVC for reconstructing the middle hepatic vein (MHV) after partial hepatectomy with MHV resection. A 67-year-old woman with hepatitis C was found to have a liver tumor. Magnetic resonance imaging confirmed that the tumor, which was attached to the MHV, was hepatocellular carcinoma. Central bisectionectomy (S4, S5, and S8 resection) could not be tolerated because of poor liver function and a low future liver remnant volume...
May 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/28381282/coronary-sinus-aneurysm-associated-with-multiple-venous-anomalies
#9
Guang Song, Ming Du, Weidong Ren, Ke Zhou, Lu Sun
BACKGROUND: Congenital anomalies of the venous system are rare, involve the inferior vena cava (IVC), a persistent left superior vena cava (PLSVC), and the left hepatic vein (LHV), and can make cardiac diagnostic and therapeutic procedures difficult. CASE PRESENTATION: We present a 67-year-old woman without heterotaxy syndrome associated with interruption of the left IVC that continued with the hemiazygos vein system, a PLSVC, and an anomalous LHV draining the into coronary sinus (CS)...
April 5, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28213856/inferior-vena-cava-system-anomalies-surgical-implications
#10
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/28169486/hepatic-vena-cava-syndrome-new-concept-of-pathogenesis
#11
REVIEW
Santosh Man Shrestha, Masayoshi Kage, Byung Boong Lee
Hepatic vena cava syndrome, also known as membranous obstruction of inferior vena cava (IVC), was considered a rare congenital disease and classified under Budd-Chiari syndrome. It is now recognized as a bacterial infection-induced disease related to poor hygiene. Localized thrombophlebitis of the IVC at the site close to hepatic vein 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...
June 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28123981/catheter-directed-interventions-for-inferior-vena-cava-thrombosis
#12
REVIEW
Yosef Golowa, Michael Warhit, Felipe Matsunaga, Jacob Cynamon
Inferior vena cava (IVC) thrombosis, although similar in many aspects to deep venous thrombosis (DVT), has distinct clinical implications, treatments and roles for endovascular management. Etiologies of IVC thrombosis vary from congenital malformations of the IVC to acquired, where indwelling IVC filters have been implicated as a leading cause. With an increasing incidence of IVC thrombosis throughout the United States, clinicians need to be educated on the clinical signs and diagnostic tools available to aid in the diagnosis as well as available treatment options...
December 2016: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/28123970/congenital-anomalies-of-the-ivc-embryological-perspective-and-clinical-relevance
#13
REVIEW
Abed Ghandour, Sasan Partovi, Karunakaravel Karuppasamy, Prabhakar Rajiah
With the increased use of cross-sectional imaging, systemic venous anomalies are more frequently being recognized in asymptomatic patients. Accurate characterization of systemic venous anomalies plays a major role in the appropriate selection of a surgical approach or interventional procedure. In this article, we review common and uncommon inferior vena cava (IVC) anomalies. We describe the embryological basis and clinical implications of these anomalies, particularly from an interventional radiology perspective...
December 2016: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/28100158/double-inferior-vena-cava-ivc-with-intrahepatic-interruption-hemiazygos-vein-continuation-and-intrahepatic-venous-shunt
#14
Hilal Sahin, Yeliz Pekcevik, Ramazan Aslaner
The duplication of the inferior vena cava (IVC) is a rare congenital anomaly, which also has some variations regarding the complex embryological development of the IVC. In the typical form, infrarenal IVC segments are duplicated and the left IVC joins the left renal vein, which crosses anterior to the aorta in the normal fashion to join the right IVC. In variant forms, the interruption of the intrahepatic segment of the IVC, azygos or hemiazygos continuation, or retroaortic course of the renal vein may be seen...
January 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28050077/retrocaval-ureter-or-preureteral-vena-cava-lest-we-forget-this-rare-cause-of-hydronephrosis
#15
Saikat Bhattacharjee, Sunil Sanga, Pooja Gupta, R A George
Retrocaval ureter or circumcaval ureter is a rare congenital abnormality arising from dysgenesis of the inferior vena cava (IVC) that results in the right ureter coursing behind and medial to the IVC. The ideal nomenclature for the anomaly is preureteral vena cava, keeping in mind the aberrant embryology. It can result in hydronephrosis and is a rare cause of long-standing cyclical pain abdomen. Ultrasound, intravenous urography, nuclear scintigraphy, computed tomography urography (CTU) and magnetic resonance urography (MRU) have been used in the diagnosis of this abnormality but CTU, with its ability to depict the abnormality in three dimensions gives the most "wholesome" solution to its diagnosis...
December 2016: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/27965720/an-unusual-cause-of-lumbar-pain-after-physical-exercise-caval-vein-duplicity-and-its-detection-by-ultrasound
#16
Pierpaolo Di Nicolò, Luca Zanoli, Michele Figuera, Antonio Granata
This paper deals with two recent cases of Inferior Caval Vein (IVC) duplicity, congenital anomaly often but not always asymptomatic that should be considered in the differential diagnosis of flank pain when other more common disorders have been excluded. Here are described the clinical and surgical significance together with the typical sonographic findings useful for the diagnosis of IVC duplicity. Particular attention is given to a peculiar and easily repeatable sonographic aspect associated with IVC duplicity, not previously reported in Literature and that we called the "Neptune's sign"...
December 2016: Journal of Ultrasound
https://www.readbyqxmd.com/read/27938900/preclinical-study-of-patient-specific-cell-free-nanofiber-tissue-engineered-vascular-grafts-using-3-dimensional-printing-in-a-sheep-model
#17
Takuma Fukunishi, Cameron A Best, Tadahisa Sugiura, Justin Opfermann, Chin Siang Ong, Toshiharu Shinoka, Christopher K Breuer, Axel Krieger, Jed Johnson, Narutoshi Hibino
BACKGROUND: Tissue-engineered vascular grafts (TEVGs) offer potential to overcome limitations of current approaches for reconstruction in congenital heart disease by providing biodegradable scaffolds on which autologous cells proliferate and provide physiologic functionality. However, current TEVGs do not address the diverse anatomic requirements of individual patients. This study explores the feasibility of creating patient-specific TEVGs by combining 3-dimensional (3D) printing and electrospinning technology...
April 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27847799/clinical-importance-of-congenital-anomalies-of-the-inferior-vena-cava-in-organ-procurement-surgery-from-a-deceased-donor-two-case-reports
#18
Mi-Hyeong Kim, Kang-Woong Jun, In-Sung Moon, Ji-Il Kim
Congenital anomalies of the inferior vena cava (IVC) are rare but important problems in living donors for kidney transplantation, especially in cases of a short left renal vein and accompanying vascular and urological anatomic variations. However, the clinical impacts of IVC anomalies in deceased donors have yet to be reported. The unexpected presence of an IVC in an unusual position poses challenges to surgeons and increases the risk of bleeding during organ removal. Accompanying vascular variations can cause unexpected bleeding and injury and therefore technical complications in procurement and subsequent implantation...
November 2016: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/27843667/congenital-vitelline-band-causing-intestinal-obstruction-in-an-adult-with-a-double-inferior-vena-cava
#19
Mihiri Wettasinghe, Kumari Pussepitiya, Bandula Samarasinghe, Nuwan Wickramasinghe
Introduction. Vitelline artery remnants are rare causes of intra-abdominal bands leading to bowel obstruction. These bands may be associated with Meckel's diverticulum. Double inferior vena cava (IVC) is a rare presentation and is usually identified incidentally. Case Presentation. A sixty-year-old male presented with progressive vomiting for five days and he was clinically diagnosed with intestinal obstruction. Plain X-ray abdomen showed evidence of small bowel obstruction. CT scan of the abdomen revealed dilated small bowel loops with a small outpouching in the distal ileum with a band like structure attached to it...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27751293/an-uncommon-encounter-during-temporary-pacemaker-implantation-a-double-inferior-vena-cava
#20
A Vasanth Kumar, A Anirudh Kumar, Anwar Hussain, Vaddera Sameeraja
Double inferior vena cavae (IVC) is a congenital variation caused by an unusual embryological development of the IVC. We report an incidental finding of infrarenal double IVC in a 70-year-old female.
September 2016: Indian Heart Journal
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