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https://www.readbyqxmd.com/read/29453407/neovasculature-can-be-induced-by-patching-an-arterial-graft-into-a-vein-a-novel-in-vivo-model-of-spontaneous-arteriovenous-fistula-formation
#1
Yukinobu Ito, Makoto Yoshida, Daichi Maeda, Masato Takahashi, Hiroshi Nanjo, Hirotake Masuda, Akiteru Goto
Arteriovenous malformations consist of tangles of arteries and veins that are often connected by a fistula. The causes and mechanisms of these clinical entities are not fully understood. We discovered that suturing an arterial patch into the common jugular vein of rabbits led to spontaneous neovascularization, the formation of an arteriovenous fistula and the development of an arteriovenous shunt. An arterial patch excised from the common carotid artery was sutured into the common jugular vein. Within a month, a dense nidus-like neovasculature formed around the patch...
February 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29452369/in-search-of-the-best-xenogeneic-material-for-a-paediatric-conduit-an-analysis-of-clinical-data
#2
Nataliya R Nichay, Irina Y Zhuravleva, Yuriy Y Kulyabin, Tatyana P Timchenko, Alexey V Voitov, Elena V Kuznetsova, Ilia A Soynov, Alexey V Zubritskiy, Alexander V Bogachev-Prokophiev, Alexander M Karaskov
OBJECTIVES: In this study, we aimed to determine the incidence of reintervention and calcification of xenografts in paediatric patients who underwent placement of the right ventricle-to-pulmonary artery valved conduits. METHODS: We retrospectively analysed clinical data of paediatric patients (1 day-18 years) who underwent right ventricular outflow tract reconstruction using xenograft from 2000 to 2016 at a single centre. RESULTS: A total of 301 patients underwent the placement of 337 xenografts, including glutaraldehyde-treated bovine jugular vein (n = 171, 50...
February 14, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29445614/serum-protein-electrophoretic-pattern-in-one-humped-camels-camelus-dromedarius-in-tripoli-libya
#3
Omran Abdoslam, Mahmoud Bayt-Almal, Abdullah Almghrbe, Omran Algriany
The aim of this study was to characterize serum protein capillary electrophoretic pattern in apparently healthy adult male (age: 3-7 years) dromedary camels and also evaluate total protein and albumin levels using automated analyzer. Blood samples were taken from 20 camels. 5ml of blood was collected from the jugular vein and serum was separated from samples by centrifugation. Capillary electrophoresis of serum proteins identified six protein fractions in adult camels, including albumin, alpha1, alpha2, beta1, beta2 and gamma globulins, serum levels of these parameters were 3...
2018: Open Veterinary Journal
https://www.readbyqxmd.com/read/29445433/upright-catheter-based-cerebral-angiography
#4
Adnan I Qureshi, Muhammad A Saleem, Omer Naveed, Mohtasim A Qureshi, Shawn S Wallery
Background: Several studies using Doppler ultrasound have suggested cerebral venous drainage is through paravertebral venous plexus due to the collapse of internal jugular veins in an upright position. Methods: We present a technique of acquiring venographic images during an upright position as part of catheter-based angiography to provide additional information regarding cerebral venous diseases. Angiographic images in anteroposterior projection were acquired in lying position and after patients were placed at 60° using radiolucent supporting wedges on angiographic table...
December 2017: Journal of Vascular and Interventional Neurology
https://www.readbyqxmd.com/read/29445428/the-danger-zone-in-the-anterior-neck-anatomical-landmarks-to-avoid-injury-to-anterior-jugular-vein-during-face-lift-and-neck-lift
#5
Andrew M Swiergosz, J Stephen Gunn, Steven A Schulz, Joshua T Henderson, Joshua H Choo, Arian Mowlavi, Bradon J Wilhelmi
Background : An estimated 125,711 face-lifts and 54,281 neck-lifts were performed in 2015. Regardless of the technique employed, facial and neck flap elevation carries with it anatomical risk of which any surgeon performing these procedures should be aware of. Statistics related to anterior jugular vein injury during these procedures have not been published. Objective : To define a "danger zone" that will contain both of the anterior jugular veins on the basis of anatomical landmarks to aid surgeons with planning their surgical approach during rhytidectomy in the anterior neck region...
2018: Eplasty
https://www.readbyqxmd.com/read/29444598/venous-outlet-syndrome-caused-by-capillary-hemangioma-of-the-subclavian-vein
#6
Stefano Bongiolatti, Daniela Massi, Vincenza Maio, Alessandro Gonfiotti, Domenico Viggiano, Luca Voltolini
We report a case of intravenous lobular capillary hemangioma in the subclavian vein, causing venous thoracic outlet syndrome. A 32-year-old woman was referred to our unit with facial and left arm oedema. Ultrasound evaluation, computed tomography and magnetic resonance imaging showed a hypervascular mass in the middle portion of the subclavian vein, with arrest of venous flow. Through an infraclavicular approach, we excised the venous axis with the endovascular palpable tumour that extended from the axillary-subclavian junction to the jugular-subclavian junction, without reconstruction...
January 1, 2018: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/29437853/cyclic-stretch-induced-crp3-sensitizes-vascular-smooth-muscle-cells-to-apoptosis-during-vein-arterialization-remodeling
#7
Luciene Cristina Gastalho Campos, João Carlos Ribeiro-Silva, Alessandra Santos Menegon, Valerio Garrone Barauna, Ayumi Aurea Miyakawa, Jose Eduardo Krieger
Vein graft failure limits the long-term patency of the saphenous vein used as a conduit for coronary artery bypass graft. Early graft adaptation involves some degree of intima hyperplasia to sustain the hemodynamic stress, but the progress to occlusion in some veins remains unclear. We have demonstrated that stretch-induced up-regulation of cysteine and glycine-rich protein 3 (Crp3) in rat jugular vein and human saphenous vein in response to arterialization. Here, we developed a Crp3-KO rat to investigate the role of Crp3 in vascular remodeling...
February 2, 2018: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29436798/a-road-to-the-heart-from-uterine-closet-a-case-report
#8
Aghygh Heidari, Samsam Dabiri, Feridoun Sabzi
Angiosarcomas of the uterine is a malignant and poor prognostic tumor and can either be a primary sarcoma or arising secondary to radiotherapy of a more complex tumor. Primary uterine angiosarcomas are exceptional and probably arise from embryonic vascular remnants, teratoma or from the rich uterine vasculature. We reported a rare case of primary angiosarcoma of uterine that at the time of diagnosis presented with sign and symptom of local and distant metastasis. The patient presented with dyspnea, chest pain, and history of vaginal bleeding and pelvic pain...
January 2018: Acta Medica Iranica
https://www.readbyqxmd.com/read/29436449/lesson-of-the-month-1-lemierre-s-syndrome-a-reminder-of-the-forgotten-disease
#9
Vivek Vijay, Zozik Fattah
Lemierre's syndrome is a condition characterised by suppurative thrombophlebitis of the internal jugular (IJ) vein following a recent oropharyngeal infection, with resulting septicaemia and metastatic lesions. It is strongly associated with Fusobacterium necrophorum, a Gram-negative bacilli. Key to early diagnosis is awareness of the classical history and course of this illness, and therefore to ask about a history of recent oropharyngeal infections when a young patient presents with fever and rigors. Diagnosis can be confirmed by showing thrombophlebitis of the IJ vein, culturing F necrophorum from normally sterile sites or demonstrating metastatic lesions in this clinical setting...
February 2018: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/29435994/evaluation-of-the-novel-centrifugal-pump-capiox-sl-in-chronic-large-animal-experiments
#10
Kei Iizuka, Nobumasa Katagiri, Yoshiaki Takewa, Tomonori Tsukiya, Toshihide Mizuno, Yosuke Itamochi, Kouko Kumano, Eisuke Tatsumi
In the development of a new device for extracorporeal circulation, long-term durability and biocompatibility are required. The CAPIOX SL Pump (SL pump, Terumo Corporation, Tokyo, Japan), which is a centrifugal pump using a two-pivot bearing, was developed with the hope of suppressing pump thrombus formation around the bearings. This study aimed to evaluate the in vivo performance of the SL pump in the condition assumed severe clinical situation for long-term extracorporeal membrane oxygenation (ECMO) support...
February 12, 2018: Artificial Organs
https://www.readbyqxmd.com/read/29435993/different-role-of-tetrodotoxin-sensitive-voltage-gated-sodium-channel-nav1-subtypes-in-action-potential-initiation-and-conduction-in-vagal-airway-nociceptors
#11
M Kollarik, H Sun, R A Herbstsomer, F Ru, M Kocmalova, S N Meeker, B J Undem
The action potential (AP) initiation in the nerve terminals and AP conduction along the axons do not necessarily depend on the same subtypes of Na V 1s. We evaluated the role of tetrodotoxin(TTX)-sensitive and TTX-resistant Na V 1s in vagal afferent nociceptor nerves derived from jugular and nodose ganglia innervating the respiratory system. Single cell RT-PCR was performed on vagal afferent neurons retrogradely labelled from the guinea pig trachea. Virtually all the jugular neurons expressed the TTX-sensitive channel Na V 1...
February 12, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29435957/oscillations-of-subarachnoid-space-width-as-a-potential-marker-of-cerebrospinal-fluid-pulsatility
#12
Marcin Gruszecki, Magdalena K Nuckowska, Arkadiusz Szarmach, Marek Radkowski, Dominika Szalewska, Monika Waskow, Edyta Szurowska, Andrzej F Frydrychowski, Urszula Demkow, Pawel J Winklewski
In the cerebrospinal fluid (CSF) circulation, two components can be distinguished: bulk flow (circulation) and pulsatile flow (back and forth motion). CSF pulsatile flow is generated by both cardiac and respiratory cycles. Recent years have seen increased interest in cardiac and respiratory-driven CSF pulsatility as an important component of cerebral homeostasis. CSF pulsatility is affected by cerebral arterial inflow and jugular outflow and potentially linked to white matter abnormalities in various diseases, such as multiple sclerosis or hypertension...
February 13, 2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29435452/superior-vena-cava-svc-endovascular-reconstruction-with-implanted-central-venous-catheter-repositioning-for-treatment-of-malignant-svc-obstruction
#13
Stephanie Volpi, Francesco Doenz, Salah D Qanadli
Superior vena cava (SVC) syndrome is a group of clinical signs caused by the obstruction or compression of SVC and characterized by edema of the head, neck, and upper extremities, shortness of breath, and headaches. The syndrome may be caused by benign causes but most of the cases are caused by lung or mediastinal malignant tumors. Stenting of SVC has become widely accepted as the palliative treatment for this condition in malignant diseases, as it offers rapid relief of symptoms and improves the quality of life...
2018: Frontiers in Surgery
https://www.readbyqxmd.com/read/29432453/clinical-findings-and-prognosis-of-patients-hospitalized-for-acute-decompensated-heart-failure-analysis-of-the-influence-of-chagas-etiology-and-ventricular-function
#14
Caíque Bueno Terhoch, Henry Fukuda Moreira, Silvia Moreira Ayub-Ferreira, Germano Emilio Conceição-Souza, Vera Maria Cury Salemi, Paulo Roberto Chizzola, Mucio Tavares Oliveira, Silvia Helena Gelas Lage, Edimar Alcides Bocchi, Victor Sarli Issa
AIMS: Explore the association between clinical findings and prognosis in patients with acute decompensated heart failure (ADHF) and analyze the influence of etiology on clinical presentation and prognosis. METHODS AND RESULTS: Prospective cohort of 500 patients admitted with ADHF from Aug/2013-Feb/2016; patients were predominantly male (61.8%), median age was 58 (IQ25-75% 47-66 years); etiology was dilated cardiomyopathy in 141 (28.2%), ischemic heart disease in 137 (27...
February 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29431371/palpitations-evaluation-in-the-primary-care-setting
#15
Randell K Wexler, Adam Pleister, Subha V Raman
Palpitations are a common problem in the ambulatory primary care setting, and cardiac causes are the most concerning etiology. Psychiatric illness, adverse effects of prescription and over-the-counter medications, and substance use should also be considered. Distinguishing cardiac from noncardiac causes is important because of the risk of sudden death in those with an underlying cardiac etiology. A thorough history and physical examination, followed by targeted diagnostic testing, can distinguish cardiac conditions from other causes of palpitations...
December 15, 2017: American Family Physician
https://www.readbyqxmd.com/read/29431100/sheehan-s-syndrome-presenting-as-cardiac-tamponade
#16
Ankit Mittal, Animesh Ray, Ram Manohar Talupula, Rita Sood
A 50-year-old woman presented with progressive dyspnoea and oedema with rapid deterioration over the last few days. Clinical examination revealed hypotension with cold clammy skin, raised jugular venous pressure and muffled heart sounds and was diagnosed to have cardiac tamponade, later confirmed on two-dimensional echocardiography. However, patient had bradycardia, and the other striking examination findings were coarse facies with pallor, madarosis, absent axillary and pubic hair and breast atrophy. Her blood sugar level was also low...
February 3, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29430130/cerebral-hemisphere-hypoperfusion-with-ipsilateral-internal-jugular-vein-and-upper-extremity-deep-vein-thrombosis-in-lung-carcinoma-on-18f-fluorodeoxyglucose-positron-emission-tomography-contrast-enhanced-computed-tomography
#17
Tarun Kumar Jain, Rajender Kumar Basher, Ashwani Sood, Abhiram Gopalajois Ashwathanarayana, Ashwin Singh Parihar, Bhagwant Rai Mittal
No abstract text is available yet for this article.
January 2018: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29429201/-survey-on-the-prevalence-of-continuous-blood-purification-in-chinese-pediatric-critical-care
#18
X Yang, S Y Qian, Y M Zhu, X Xu, C F Liu, F Xu, X X Ren, Y Wang, Y C Zhang, G P Lu
Objective: To investigate the current application status of continuous blood purification (CBP) technology and equipment in pediatric intensive care unit (PICU) in China. Methods: A cross-sectional survey was conducted to understand the current popularization of CBP technology and equipment, the management of CBP equipment and consumables, and the application of CBP in different diseases. A questionnaire named Application Status of Continuous Blood Purification Technology was applied. Children's hospitals and polyclinic hospitals with the pediatric qualification (pediatric emergency or critical care unit members of Chinese Medical Association and Chinese Medical Doctor Association) were selected...
February 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29425537/-superior-vena-cava-thrombosis-or-stricture-secondary-to-implanted-central-venous-access-six-cases-of-endovascular-and-direct-surgical-treatment-in-cancer-patients
#19
J M Fichelle, V Baissas, S Salvi, J N Fabiani
Superior vena cava (SVC) stenosis or thrombosis is a well-known complication of central venous catheterization for endocavitary treatments, hemodialysis, or chemotherapy. In cancer patients, these SVC lesions are often symptomatic due to intimal damage and chemotherapy toxicity. We report our experience with six patients treated between 2007 and 2012 via an endovascular approach (n=5) or a direct surgical approach (n=1). All patients had SVC syndrome with facial edema, headache and upper limb edema. In three cases, the catheter was in place when the clinical symptoms occurred...
February 2018: Journal de Médecine Vasculaire
https://www.readbyqxmd.com/read/29424673/nerve-fascicle-transfer-using-a-part-of-the-c-7-nerve-for-spinal-accessory-nerve-injury
#20
Xuan Ye, Yun-Dong Shen, Jun-Tao Feng, Wen-Dong Xu
OBJECTIVE Spinal accessory nerve (SAN) injury results in a series of shoulder dysfunctions and continuous pain. However, current treatments are limited by the lack of donor nerves as well as by undesirable nerve regeneration. Here, the authors report a modified nerve transfer technique in which they employ a nerve fascicle from the posterior division (PD) of the ipsilateral C-7 nerve to repair SAN injury. The technique, first performed in cadavers, was then undertaken in 2 patients. METHODS Six fresh cadavers (12 sides of the SAN and ipsilateral C-7) were studied to observe the anatomical relationship between the SAN and C-7 nerve...
February 9, 2018: Journal of Neurosurgery. Spine
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