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https://www.readbyqxmd.com/read/29232293/pressure-and-flow-characteristics-of-a-novel-bidirectional-cannula-for-cardiopulmonary-bypass
#1
Yi Chen, Elli Tutungi, James McMillan, Sara M Tayeh, Jess K Underwood, Adam C Wells, Julian A Smith, Randall A Moshinsky
OBJECTIVE: Femoral arterial cannulation is associated with a significant risk of lower limb ischemia. The aim of the study was to assess the pressure and flow in the femoral artery using a novel bidirectional femoral cannula in a sheep model of peripheral cardiopulmonary bypass. METHODS: Peripheral cardiopulmonary bypass was established using a multistage venous cannula inserted into the internal jugular vein and the bidirectional or a conventional arterial cannula into the femoral artery in seven adult ewes...
December 7, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/29228343/long-term-outcome-following-stereotactic-radiosurgery-for-glomus-jugulare-tumors-a-single-institution-experience-of-20-years
#2
Mayur Sharma, Antonio Meola, Sushma Bellamkonda, Xuefei Jia, Joshua Montgomery, Samuel T Chao, John H Suh, Lilyana Angelov, Gene H Barnett
BACKGROUND: Glomus jugulare tumors (GJTs) are rare benign tumors, which pose significant treatment challenges due to proximity to critical structures. OBJECTIVE: To evaluate the long-term clinical and radiological outcome in patients undergoing stereotactic radiosurgery (SRS) for GJTs through retrospective study. METHODS: Forty-two patients with 43 GJTs were treated using Gamma Knife radiosurgery (GKRS; Elekta AB, Stockholm, Sweden) at our institute from 1997 to 2016...
December 4, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29227408/the-hybrid-technical-management-of-large-and-complicated-traumatic-arteriovenous-fistula-of-preauricular-region
#3
Jian Guo, Rucai Zhan, Yong Ren, Xiangjing Meng, Rengli Liu, Guijie Li, Dong Wang, Jinlong Sun
BACKGROUND: Arteriovenous fistula (AVF) is defined as an abnormal communication between the high flow arterial system and the low flow venous network, which directly connects the arterial feeding vessels and the near draining veins without normal intervening capillary bed. Arteriovenous fistula incurs in preauricular region is exceeding rare. Most of these fistulae occur as a result of an iatrogenic injury, the volume is small, feeding and draining vessels of feeding and draining are simple, and can be cured easily...
December 7, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29221746/clinical-and-neuroimaging-characteristics-of-cerebral-sinovenous-thrombosis-in-neonates-undergoing-cardiac-surgery
#4
Nathalie H P Claessens, Selma O Algra, Nicolaas J G Jansen, Floris Groenendaal, Esther de Wit, Alexander A Wilbrink, Felix Haas, Antonius N J Schouten, Rutger A J Nievelstein, Manon J N L Benders, Linda S de Vries
OBJECTIVES: Neonates with congenital heart disease may have an increased risk of cerebral sinovenous thrombosis, but incidence rates are lacking. This study describes the clinical and neuroimaging characteristics of cerebral sinovenous thrombosis in neonates undergoing cardiac surgery. METHODS: Forty neonates (78% male) requiring neonatal univentricular or biventricular cardiac repair using cardiopulmonary bypass were included. All underwent preoperative (median postnatal day 7) and postoperative (median postoperative day 7) magnetic resonance imaging of the brain, including venography, to detect cerebral sinovenous thrombosis...
November 8, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29217748/lower-arterial-cross-sectional-area-of-carotid-and-vertebral-arteries-and-higher-frequency-of-secondary-neck-vessels-are-associated-with-multiple-sclerosis
#5
P Belov, D Jakimovski, J Krawiecki, C Magnano, J Hagemeier, L Pelizzari, B Weinstock-Guttman, R Zivadinov
BACKGROUND AND PURPOSE: Arterial and neck vessel system characteristics of patients with multiple sclerosis have not been previously investigated. Therefore, the aim of this study was to examine the frequency of neck vessels and their cross-sectional areas (in square millimeters) between patients with MS and healthy controls. MATERIALS AND METHODS: In this study, 193 patients with MS and 193 age- and sex-matched healthy controls underwent 2D TOF venography at 3T...
December 7, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29216940/-study-on-risk-factor-of-central-venous-catheter-infection-in-icu-1-160-patients-report
#6
Ming Zhang, Yongqing Xu, Zhiming Jiang, Junying Qian, Zhonghui Zhang, Nannan Sun, Jian Xie, Tao Li
OBJECTIVE: To analyze the etiology and risk factors of central venous catheter (CVCs) infections, and to explore the prophylaxis and treatment for catheter-related infections. METHODS: A retrospective study was conducted. The patients with CVCs admitted to intensive care unit (ICU) of Qianfoshan Hospital Affiliated to Shandong University from January 2000 to December 2016 were enrolled. The gender, age, catheter data and microorganism culture results of all patients were collected...
December 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29216331/combined-short-and-long-axis-ultrasound-guided-central-venous-catheterization-is-superior-to-conventional-techniques-a-cross-over-randomized-controlled-manikin-trial
#7
Jun Takeshita, Kei Nishiyama, Satoru Beppu, Nozomu Sasahashi, Nobuaki Shime
OBJECTIVES: Visualizing the needle tip using the short-axis (SA) ultrasound-guided central venous catheterization approach can be challenging. It has been suggested to start the process with the SA approach and then switch to the long-axis (LA); however, to our knowledge, this combination has not been evaluated. We compared the combined short- and long-axis (SLA) approach with the SA approach in a manikin study. METHODS: We performed a prospective randomized controlled cross-over study in an urban emergency department and intensive care unit...
2017: PloS One
https://www.readbyqxmd.com/read/29207361/patient-factors-but-not-the-use-of-novel-anticoagulants-or-warfarin-are-associated-with-internal-jugular-vein-access-site-hematoma-after-right-heart-catheterization
#8
Osama Dasa, Qaiser Shafiq, Mohammed Ruzieh, Luai Alhazmi, Maen Al-Dabbas, Zaid Ammari, Samer Khouri, George Moukarbel
INTRODUCTION: Right heart catheterization (RHC) is routinely performed to assess hemodynamics. Generally, anticoagulants are held prior to the procedure. At our center, anticoagulants are continued and ultrasound guidance is always used for internal jugular vein access. A micropuncture access kit is used to place a 5 or 6 Fr sheath using the modified Seldinger technique. Manual compression is applied for 10-15 min and the patient is observed for at least 2 hours after the procedure. In a retrospective analysis, we investigated the risk of bleeding complications associated with RHC via the internal jugular vein in patients with and without full anticoagulation...
December 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/29205670/neck-vessel-cross-sectional-area-measured-with-mri-scan-rescan-reproducibility-for-longitudinal-evaluations
#9
Laura Pelizzari, Maria Marcella Laganà, Dejan Jakimovski, Niels Bergsland, Jesper Hagemeier, Giuseppe Baselli, Robert Zivadinov
BACKGROUND AND PURPOSE: The cross-sectional area (CSA) of common carotid arteries-internal carotid arteries (CCA-ICAs), vertebral arteries (VAs), and internal jugular veins (IJVs) is influenced by aging. However, the neck vessel CSA can be affected by other factors as well, including subject positioning, hydration, and respiration, especially in longitudinal studies. This study aimed to assess scan-rescan reproducibility of CCA-ICAs, VAs, and IJVs CSA measurements in order to evaluate their feasibility for longitudinal CSA assessments, and to apply the segmentation method on a longitudinal pilot dataset...
December 4, 2017: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/29204301/human-infection-with-fusobacterium-necrophorum-without-jugular-venous-thrombosis-a-varied-presentation-of-lemierre-s-syndrome
#10
Muhammad Asim Rana, Yashwant Kumar, Abdullah Ali Lashari, Ahmed F Mady
Lemierre's syndrome is also known as postangina septicemia, which is commonly caused by Fusobacterium necrophorum also known as Necrobacillus and also by other microorganisms like Staphylococcus, Streptococcus, Peptostreptococcus, and Bacteroides. Though the disease starts as an upper respiratory tract infection, it may spread and cause thrombophlebitis of the internal jugular vein. It may present itself through cranial nerve palsy or sepsis involving distant organs like the lungs or bones. It is also known as forgotten disease because of its rarity...
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/29204232/vascular-ultrasound-in-pediatrics-estimation-of-depth-and-diameter-of-jugular-and-femoral-vessels
#11
J M López Álvarez, O Pérez Quevedo, L Santana Cabrera, C Rodríguez Escot, J F Loro Ferrer, T Ramírez Lorenzo, J M Limiñana Cañal
Objectives: To estimate, on the basis of anthropometric and demographic variables, the depth (Dp) and diameter (Dm) of femoral and jugular vessels, which have been located and measured by ultrasound, in pediatric patients. Method: 750 measurements of Dp and Dm of the femoral vein (FV), femoral artery (FA) and internal jugular vein (IJV) were made in 125 pediatric patients. The values were correlated with patients' sex, weight, age, size and body surface area (BSA)...
December 2017: Journal of Ultrasound
https://www.readbyqxmd.com/read/29203766/a-new-stem-sarcopterygian-illuminates-patterns-of-character-evolution-in-early-bony-fishes
#12
Jing Lu, Sam Giles, Matt Friedman, Min Zhu
Discoveries of putative stem sarcopterygians from the late Silurian and Early Devonian of South China have increased our knowledge of the initial diversification of osteichthyans while also highlighting incongruities in character evolution in this major jawed vertebrate group. Character-rich endocrania are incompletely preserved for early bony fishes, limiting a detailed understanding of complex internal morphology and evolutionary changes in the cranium. Here we report a new sarcopterygian (Ptyctolepis brachynotus gen...
December 5, 2017: Nature Communications
https://www.readbyqxmd.com/read/29203046/-post-traumatic-carotido-jugular-fistula-case-report-and-review-of-the-literature
#13
A Dammak, H Ben Jmaà, S Hadhri, H Cheikhrouhou, F Dhouib, S Haddar, L Kammoun, T Ben Jmaà, B Hammami, S Masmoudi, N Elleuch, M Ben Jmaà, I Frikha
The neck, being not protected by skeleton, is vulnerable to external trauma and injury which can involve blood vessels, muscles, nerves, and trachea. Carotid injuries can be potentially life-threatening by hemorrhage and stroke. We present a case of a 26-year-old manual worker who presented a neck injury caused by a metallic projectile. The injury involved the right common carotid artery with an internal jugular vein fistula, and tracheal damage. The patient was managed with surgical repair of the tracheal lesion, reconstruction of the carotid section using a PTFE graft bypass, and ligation of the internal jugular vein...
December 2017: Journal de Médecine Vasculaire
https://www.readbyqxmd.com/read/29201478/historical-case-of-cervical-penetrating-wound-from-first-aid-to-surgical-intervention
#14
Koné Fatogoma Issa, Keïta Mohamed Amadou, Soumahoro Siaka, Konaté N'faly, Diarra Kassim, Timbo Samba Karim
Objective: We report a case of cervical penetrating wound by posing the problem of its support and by analyzing the chain of survival of a patient to human sacrifice. Case Report: It was an 11-year-old boy admitted to the hosting service of cervical penetrating wound emergency occurring in a context of human sacrifice by weapon (knife). On admission, the conscious patient had a left cervical hematoma at the level of the cervical zone II and severe signs of acute anemia...
2017: Case Reports in Otolaryngology
https://www.readbyqxmd.com/read/29196348/the-value-of-the-physical-examination-in-clinical-practice-an-international-survey
#15
Andrew T Elder, I Chris McManus, Alan Patrick, Kichu Nair, Louella Vaughan, Jane Dacre
A structured online survey was used to establish the views of 2,684 practising clinicians of all ages in multiple countries about the value of the physical examination in the contemporary practice of internal medicine. 70% felt that physical examination was 'almost always valuable' in acute general medical referrals. 66% of trainees felt that they were never observed by a consultant when undertaking physical examination and 31% that consultants never demonstrated their use of the physical examination to them...
December 2017: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/29193671/percutaneous-transcatheter-pulmonary-valve-replacement-in-children-weighing-less-than-20-kg
#16
Mary Hunt Martin, Shabana Shahanavaz, Lynn F Peng, Jeremy D Asnes, Michelle Riley, William E Hellenbrand, David T Balzer, Robert G Gray, Doff B McElhinney
BACKGROUND: Since FDA approval of the Melody valve, transcatheter pulmonary valve replacement (TPVR) has been offered to an expanding population. Limited data exist regarding the safety and feasibility of TPVR in smaller patients. METHODS: All patients weighing <20 kg who underwent catheterization for percutaneous TPVR at four centers were reviewed. RESULTS: Of the 51 patients reviewed, 43 (84%) had successful valve implantation and 8 (16%) were found not to be candidates due to access veins too small (n = 3), coronary artery/aortic root compression (n = 3), and RVOT too large (n = 2)...
November 29, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29191963/competitive-apnea-and-its-effect-on-the-human-brain-focus-on-the-redox-regulation-of-blood-brain-barrier-permeability-and-neuronal-parenchymal-integrity
#17
Anthony R Bain, Philip N Ainslie, Ryan L Hoiland, Otto F Barak, Ivan Drvis, Mike Stembridge, Douglas M MacLeod, Jane McEneny, Benjamin S Stacey, Eduoard Tuaillon, Nicola Marchi, Alexis Fayd'Herbe De Maudave, Zeljko Dujic, David B MacLeod, Damian M Bailey
Static apnea provides a unique model that combines transient hypertension, hypercapnia, and severe hypoxemia. With apnea durations exceeding 5 min, the purpose of the present study was to determine how that affects cerebral free-radical formation and the corresponding implications for brain structure and function. Measurements were obtained before and following a maximal apnea in 14 divers with transcerebral exchange kinetics, measured as the product of global cerebral blood flow (duplex ultrasound) and radial arterial to internal jugular venous concentration differences (a-vD)...
November 30, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29174178/radiation-burden-of-pediatric-ultrasound-guided-percutaneous-central-venous-access-devices-a-prospective-cohort-study
#18
Mohit Bajaj, Jon Wells, Anuja Liyanage, Stephen Evans, James Hamill
Permanent central venous access is essential for the management of many pediatric patients. Knowing the amount of ionizing radiation used during the insertion of these devices is important. Our aim was to identify the radiation used in percutaneous insertion of central venous access devices, and to correlate radiation exposure to patient weight. METHODS: Data was prospectively collected during a 12-month period from August 2015 to August 2016 on all ultrasound-guided percutaneous central venous access device insertions...
October 26, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29174104/reconstruction-of-intraoral-defects-after-resection-of-cancer-with-two-types-of-submental-artery-perforator-flaps
#19
L Huang, W-M Wang, X Gao, Y-X Yuan, X-Q Chen, X-C Jian
The submental island flap is a common choice for reconstruction of intraoral defects. To obtain a thinner, more pliable flap and get a better oncological result, the submental artery perforator flap has been proposed, and to assess its feasibility for closure of defects after resection of cancers of the oral cavity we studied 20 patients, each of whom was treated in this way. All the flaps were classified into those with septocutaneous perforators (n=16) and those with musculocutaneous perforators (n=4), and the main veins that drained the flaps were two submental veins (n=17)...
November 21, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/29159156/self-expandable-graft-stenting-in-an-iatrogenic-fistula-between-common-carotid-artery-and-internal-jugular-vein
#20
Sung Chul Jin, Dong Hyuk Lee, Chae Wook Huh
A 47-year-old woman with stage IV chronic kidney disease developed a fistula between common carotid artery (CCA) and internal jugular vein (IJV) during central catheterization of the right IJV. The patient was treated with a self-expandable graft stent, which achieved successful closure of the carotid-jugular fistula. As demonstrated in our case, self-expandable graft stents could be a feasible treatment option for CCA-IJV fistulas without additional interventional procedures such as balloon angioplasty.
September 2017: Journal of Cerebrovascular and Endovascular Neurosurgery
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