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Freedman Barry I BI 1] Department of Internal Medicine, Section on Nephrology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA [2] Center for Genomics and Personalized Medicine Research, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA [3] Center for Diabetes Research, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA [4] Center for Public Health Genomics, Wake Forest School of Medicine, Winston-Salem, North Carolina, - - 2014
Albuminuria and reduced estimated glomerular filtration rate (eGFR) associate with two apolipoprotein L1 gene (APOL1) variants in nondiabetic African Americans (AAs). Whether APOL1 associates with subclinical atherosclerosis and survival remains unclear. To determine this, 717 African American-Diabetes Heart Study participants underwent computed tomography to determine coronary artery-, carotid artery-, and ...
Shin Hye Young HY Department of Anesthesiology and Pain Medicine, Kosin University Gospel Hospital, Busan, - - 2014
Knowledge of the anatomical variation of the vertebral artery has clinical importance not only for the performance of interventional or surgical procedures itself but also to ensure their safety. We conducted a study of the anatomical variation by reviewing multi-detector computed tomography (MDCT) images of the cervical spine from 460 ...
Patel Dhara D New York Medical - - 2014
Exposing mice to a chronic hypoxic treatment (10% oxygen, 21 days) that promotes pulmonary hypertension was observed to attenuate the pulmonary vasoconstriction response to acute hypoxia (HPV) both in vivo and in isolated pulmonary arteries. Since catalase restored the HPV response in isolated arteries, it appeared to be attenuated by ...
Khan Shahid A SA Department of Neurosurgery, James Cook University Hospital , Middlesbrough , - - 2014
Iatrogenic vertebral artery (VA) injury is a rare but significant complication of anterior cervical spine surgery. In the grossly degenerate cervical spine the VA may adopt a tortuous pathway thus predisposing to inadvertent injury during surgery. Here we illustrate such a case and discuss potential management strategies.
Burrowes K S KS Department of Computer Science, University of Oxford, Wolfson Building, Parks Road, Oxford, OX1 3QD, UK, - - 2014
Hypoxic pulmonary vasoconstriction (HPV) is an adaptive response unique to the lung whereby blood flow is diverted away from areas of low alveolar oxygen to improve ventilation-perfusion matching and resultant gas exchange. Some previous experimental studies have suggested that the HPV response to hypoxia is blunted in acute pulmonary embolism ...
Georg Y Y Department of Vascular Surgery, University Hospital of Strasbourg, France. - - - 2014
Endovascular treatment of thoracic aorta (TEVAR) often requires supra-aortic arterial trunks debranching to provide an acceptable proximal landing zone. To facilitate TEVAR procedures involving landing zones 1 to 3, we propose a systematic 4-step strategy with (1) a primary surgical cervical exposure of the supra-aortic trunks, (2) insertion through this ...
Gailloud Philippe P Division of Interventional Neuroradiology, The Johns Hopkins Hospital, Baltimore, - - 2014
In 1954, Dorcas Padget wrote a note that settled the debate over the labeling of the intersegmental arteries (ISAs) and the level of origin of the subclavian artery (SubA), in agreement with earlier observations made by Hochstetter in the rabbit (1890) and Schmeidel in man (1932). In her proposed nomenclature, ...
Yeh Chung-Hui CH From the Departments of *Otorhinolaryngology, †Radiology, and ‡Neurosurgery, China Medical University and Hospital, Taichung, - - 2014
Aberrations of the cervical internal carotid artery can be detected in the nasopharynx, oropharynx, and hypopharynx. Most previous literature reviews have focused on an analysis of the anatomic variations. However, clinical symptoms and physical examination findings have been rarely reported. Our clinical study describes a 63-year-old woman who presented with ...
Albert Tyler J TJ 1 Division of Pulmonary and Critical Care Medicine, University of Washington Medical Center , Seattle, - - 2014
Abstract Albert, Tyler J., and Erik R. Swenson. Peripheral chemoreceptor responsiveness and hypoxic pulmonary vasoconstriction in humans. High Alt Med Biol. 15, 000-000, 2014.-Objective: Studies in animals have shown that interruption of carotid body afferent hypoxic signaling or efferent CNS activity to the lung enhances hypoxic pulmonary vasoconstriction (HPV). Whether ...
Jain Joses J Departments of Obstetrics and Gynecology and Radiology, St. Joseph Mercy Hospital, Ann Arbor, - - 2014
Uterine artery pseudoaneurysm is a rare postoperative complication. Several case reports describe this occurring after cesarean deliveries, typically presenting as delayed postoperative bleeding. A 26-year-old woman (gravida 1, para 0010) underwent a cervical cold-knife conization. She later presented three times over the subsequent 18 days with intermittent vaginal hemorrhage. After ...
Paddenberg Renate R Institute of Anatomy and Cell Biology, - - 2014
Acute alveolar hypoxia causes pulmonary vasoconstriction (HPV) - also known as von Euler-Liljestrand mechanism - which serves to match lung perfusion to ventilation. Up to now, the underlying mechanisms are not fully understood. The major vascular segment contributing to HPV is the intra-acinar artery. This vessel section is responsible for ...
Kozinszky Zoltan Z 0000-0001-7485-9895 Department of Obstetrics and Gynecology, Blekinge Hospital, Lasarettsvägem 38, 37185 Karlskrona, - - 2014
Introduction. Rupture of a branch of uterine artery during delivery often leads to a massive postpartum hemorrhage that can be successfully treated using uterine artery embolization. Case Report. A 33-year-old woman had a cesarean section at term followed by a secondary postpartum hemorrhage due to a ruptured cervicovaginal branch terminating ...
Silbert Benjamin Isaac BI Department of Neurology, Royal Perth Hospital, Perth, - - 2013
The acute onset of neck pain and arm weakness is most commonly due to cervical radiculopathy or inflammatory brachial plexopathy. Rarely, extracranial vertebral artery dissection may cause radiculopathy in the absence of brainstem ischemia. We describe a case of vertebral artery dissection presenting as cervical radiculopathy in a previously healthy ...
Goldenberg Neil M - - 2013
Hypoxic pulmonary vasoconstriction (HPV) is a fundamental physiological process whereby ventilation/perfusion matching is optimized through the constriction of the pulmonary circulation supplying poorly ventilated lung units. In their 1981 paper in the Journal, Noble, Kay, and Fisher used a series of animal experiments to show that alveolar carbon dioxide (CO2) ...
Rushton A A School of Sport, Exercise and Rehabilitation Science, College of Life and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK. Electronic address: - - 2013
A consensus clinical reasoning framework for best practice for the examination of the cervical spine region has been developed through an iterative consultative process with experts and manual physical therapy organisations. The framework was approved by the 22 member countries of the International Federation of Orthopaedic Manipulative Physical Therapists (October ...
Le Blanc-Louvry Isabelle - - 2013
After strangulation, cervical arterial injuries (CAI) are uncommon. We report three unusual cases where strangulation induced immediate stroke. CAI were examined using brain CT scan and Doppler ultrasonography in the three cases and then by autopsy in one of the victims. One of the two victims who survived the attempted ...
Tarmiz Amine A Department of Cardiac Surgery, Quebec Heart and Lung Institute, Québec, QC, - - 2013
A 26-year old female was hit in the cervical region by a large block of ice and admitted with stable vital signs and multiple fractures. Chest radiography demonstrated an enlarged mediastinum, and CT scan revealed a transection of the left common carotid artery at its origin, with a false aneurysm. ...
Swenson Erik R - - 2013
Abstract Swenson, Erik R. Hypoxic pulmonary vasoconstriction. High Alt Med Biol 14:101-110, 2013.-Hypoxic pulmonary vasoconstriction (HPV) continues to fascinate cardiopulmonary physiologists and clinicians since its definitive description in 1946. Hypoxic vasoconstriction exists in all vertebrate gas exchanging organs. This fundamental response of the pulmonary vasculature in air breathing animals has ...
Toprak Cüneyt - - 2013
We present a case of concomitant left ventricle (LV) to right atrial shunt (Gerbode-like defect) and anterior mitral leaflet perforation in a 32-year-old male after aortic valve replacement for infective endocarditis of bicuspid aortic valve. This case emphasises that intra-operative transesophageal echocardiography is a sine qua non for valvular surgical ...
Park Soo-An SA Department of Orthopedic Surgery, Uijeongbu St. Mary's Hospital, The Catholic University of Korea College of Medicine, 271, Cheonbo-ro, Ujeongbu-si, Gyeonggi-do 480-717, South Korea. - - 2013
To develop a clinically relevant anterior cervical approach (ACA) to the C2-3 level. Frequently encountered nerves [hypoglossal (HyN), internal (ISLN) and external superior laryngeal nerves (ESLN)] and vessels [lingual (LiA), superior laryngeal (SLA) and superior thyroid arteries (STA)] in the field of high ACA and the anatomic spatial markers [submandibular ...
Beloiartsev Arkadi A Postdoctoral Fellow, Anesthesia Center for Critical Care Research of the Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114-2696, - - 2013
Plasma hemoglobin (Hb) scavenges endothelium-derived nitric oxide (NO), producing systemic and pulmonary vasoconstriction in many species. We hypothesized that i.v. administration of murine cell-free Hb would produce pulmonary vasoconstriction and enhance hypoxic pulmonary vasoconstriction (HPV) in mice. To assess the impact of plasma Hb on basal pulmonary vascular tone in ...
To Chiu Yuen - - 2013
During treatment of a right internal carotid artery terminus aneurysm, an acute iatrogenic flow limiting dissection was caused in the cervical internal carotid. The true lumen was catheterized using a Mirage 0.008 microwire over an Excelsior SL-10 microcatheter, which was exchanged for a Marksman microcatheter. A 6 mm×30 mm Solitaire ...
Rao Dattatreya P V - - 2013
A 20-year-old female presented with a pulsatile neck mass. On evaluation, she was found to have right cervical aortic arch, which is a rare anomaly. We highlight the conventional and Computed tomography angiography features of this vascular anomaly.
Sasaki Tetsuo - - 2013
A 68-year-old man presented with right cervical carotid artery stenosis manifesting as ipsilateral amaurosis fugax. Angiography showed non-bifurcating cervical carotid artery with atherosclerotic stenosis near the branching of the superior thyroid artery. Carotid artery stenting (CAS) was carried out using two balloons for embolic protection of the internal carotid artery ...
Schroeder Gregory D GD Department of Orthopaedic Surgery, Northwestern University, 676 N. Saint Clair, Suite 1350, Chicago, IL, 60611, - - 2013
Vertebral artery injuries during cervical spine surgery are rare, but potentially fatal. When performing cervical spine surgery, it is imperative that the surgeon has a systematic approach for avoiding, and if necessary, dealing with a vertebral artery injury. This is a review paper. Upper posterior cervical spine surgeries put the ...
Agostini Manuela - - 2012
Cervical arterial dissection (CAD) is an important cause of childhood arterial ischemic stroke (1). Dissection occurs following a vessel wall tear or rupture of the vasa vasorum with formation of an intramural hematoma. Secondary thromboembolism in the vessel territory can cause an ischemic stroke. Dissections may be traumatic or spontaneous. ...
Norris John W - - 2012
There are no reliable data from randomised trials to decide whether anticoagulants or antiplatelet agents are better to prevent further thromboembolic events after cervical arterial dissection. Most neurologists favour anticoagulants based on the underlying pathology and the likely course of acute post-dissection thromboembolism.
Weng Shih-Hsien - - 2012
OBJECTIVE: Stent graft-induced new entry (SINE) has been increasingly observed after thoracic endovascular aortic repair (TEVAR) for aortic dissection. We investigated the mechanism of late distal SINE, prevention strategies, proper size selection of the stent graft, and implantation sequence. METHODS: From November 2006 to May 2011, 99 patients with aortic ...
Huang Chun-Yang - - 2012
OBJECTIVES: Stent graft-induced new entry (SINE) has been increasingly observed after thoracic endovascular aortic repair of aortic dissection. We illustrate the possible mechanism by exploring predictive factors of late distal SINE after hybrid arch elephant trunk repair for aortic dissection. METHODS: From November 2006, to May 2011, 20 of 99 ...
Kim Sung-Ho - - 2012
The purpose of this study is to elucidate the anatomic relationships between the uncinate process and surrounding neurovascular structures to prevent possible complications in anterior cervical surgery. Twenty-eight formalin-fixed cervical spines were removed from adult cadavers and were studied. The authors investigated the morphometric relationships between the uncinate process, vertebral ...
Okada Mitsuhiro - - 2012
A propeller flap is useful for coverage of an adjacent skin defect without dissection back to source vessels and harvesting muscle tissues. The thoracoacromial artery is one of the vascular pedicles of the flaps for reconstruction in the cervical region. Use of a propeller flap based on the thoracoacromial artery ...
Takeuchi Satoru - - 2012
This report presents a 60-year-old with a large paraclinoid carotid aneurysm associated with cervical interal carotid artery (ICA) dissection (CICAD). She had a fall while riding a bicycle and hit her head on the ground. Computed tomography scan done at another facility showed a round mass lesion near the sella. ...
Tigen K M - - 2012
Aneurysms of the left atrial appendage are extremely rare. Enlargement of the left atrial appendage can be congenital or acquired. Dysplasia of the left atrial muscles leads to congenital left atrial appendage aneurysm and usually presents as atrial tachyarrhythmia or embolic events in the second or third decade of life. ...
Patel Mitesh - - 2012
During coronary artery bypass graft surgery, various arterial and venous conduits have been used to carry blood flow from the aorta to the coronary vasculature. Arterial conduits provide certain advantages over the saphenous vein, including superior long-term patency, relative resistance to the development of atherosclerosis, and greater endothelium-dependent relaxation. However, ...
Peng Gary - - 2012
Sustained therapeutic hypercapnia prevents pulmonary hypertension in experimental animals, but its rescue effects on established disease have not been studied. Therapies which inhibit Rho-kinase (ROCK) and/or augment nitric oxide (NO)-cyclic guanosine monophosphate (cGMP) signaling can reverse or prevent progression of chronic pulmonary hypertension. Our objective in the present study was ...
Xia Xiao-Dong - - 2012
Nitric oxide (NO) is an important vascular modulator in the development of pulmonary hypertension. NO exerts its regulatory effect mainly by activating soluble guanylate cyclase (sGC) to synthesize cyclic guanosine monophosphate (cGMP). Exposure to hypoxia causes pulmonary hypertension. But in lung disease, hypoxia is commonly accompanied by hypercapnia. The aim ...
Yi Bin - - 2012
Our previous work has demonstrated that the cellular phenotype changes of human pulmonary artery smooth muscle cells (PASMCs) play an important role during pulmonary vascular remodelling. However, little is known about the role of PASMCs phenotype modulation in the course of hypoxia-induced migration and its behind molecular mechanisms. In this ...
To Chiu Yuen - - 2012
During treatment of a right internal carotid artery terminus aneurysm, an acute iatrogenic flow limiting dissection was caused in the cervical internal carotid. The true lumen was catheterized using a Mirage 0.008 microwire over an Excelsior SL-10 microcatheter, which was exchanged for a Marksman microcatheter. A 6 mm×30 mm Solitaire ...
Harris Tyler James - - 2011
The recent escalation in lower extremity revascularization procedures suggests a concomitant increase in peripheral arterial disease (PAD) screening. We hypothesized that self-referring physicians would show the greatest growth in noninvasive physiologic testing for PAD and similar trends for revascularization procedures. We compared utilization rates for self-referring specialties (vascular surgery, interventional ...
Roberts William Clifford - - 2011
Background There is debate concerning whether an aneurysmal ascending aorta should be replaced when associated with a dysfunctioning aortic valve that is to be replaced. To examine this issue, we divided the patients by type of aortic valve dysfunction-either aortic stenosis (AS) or pure aortic regurgitation (AR)-something not previously undertaken. ...
Reddy Sreenivasulu - - 2011
Internal thoracic artery (ITA) is an established arterial graft for the coronary artery by-pass surgery. Special micro-anatomical features of the ITA wall may protect it from age related pathological changes. One of the complications seen after coronary artery bypass grafting is vasospasm. Sympathetic nerves may be involved in vasospasm. To ...
Ren J S - - 2010
Dynamic analysis of an axially stretched arterial wall with collagen fibers distributed in two preferred directions under a suddenly applied constant internal pressure along with the possibility of the formation and rupture of aneurysm are examined within the framework of nonlinear dynamics. A two layer tube model with the fiber-reinforced ...
Anastasiadis Kyriakos - - 2010
We report on a rare occurrence of an acquired fistula between the left internal mammary artery and the pulmonary artery following coronary artery bypass grafting. Endovascular repair was employed using two polytetrafluoroethylene graft stents for sealing the communication sites, with good results after two years of follow-up.
Schmitto Jan D - - 2010
To assess the current status of the prevalence and variability of internal mammary graft use in contemporary multivessel coronary artery bypass graft (CABG). The internal mammary artery (IMA) is considered the gold-standard conduit in coronary artery bypass graft (CABG) surgery. There is universal agreement that the IMA graft is associated ...
Green Michael - - 2010
Ventricular fibrillation is a common arrhythmia encountered after the termination of cardiopulmonary bypass. Risk is augmented in patients who are undergoing repeat cardiac procedures with most documented complications occurring during repeat sternotomy. Aortic valve surgery is more complex after coronary artery bypass grafting using internal mammary arteries, and it compounds ...
Wani N A - - 2010
Although internal mammary artery pseudoaneurysms are a rare vascular abnormality, they are sometimes seen after sternotomy, diagnostic and therapeutic vascular access or penetrating chest trauma. To our knowledge, internal mammary artery pseudoaneurysm caused by pulmonary actinomycosis has not been reported previously. We report a case of pseudoaneurysm of the left ...
Johnson Scott H - - 2010
BACKGROUND: The Michigan Society of Thoracic and Cardiovascular Surgeons (MSTCVS) Quality Collaborative is a voluntary, surgeon-directed quality initiative involving all cardiac surgery programs in Michigan. Understanding that internal mammary artery (IMA) use during coronary artery bypass grafting is an important process measure associated with improved outcomes, this analysis reviews our ...
Franco-Gutierrez Raul - - 2010
A 73-year-old patient, who underwent triple bypass surgery in another hospital in 1991 after suffering an acute myocardial infarction, was admitted to our institution after an episode of unstable angina. Evidence of a left internal mammary artery grafted to the great cardiac anterior interventricular vein (GCV), with Qp:Qs > 1.5:1, ...
van Wagenberg Frans S - - 2010
Performing cardiac surgery on HIV positive patients represents a significant risk of occupational exposure to surgeons and their support staff. In addition, the immunocompromized state of these patients may be a factor which could adversely influence the results. Totally endoscopic coronary artery bypass grafting (TECAB) in HIV patients has not ...
Tanindi Asli - - 2010
In patients with known coronary artery disease and/or a history of revascularization, angina pectoris or unstable coronary syndromes are usually attributed to the progression of atherosclerotic lesions rather than an unrecognized great vessel disease. However, for patients with a previous coronary artery bypass graft operation (CABG), during which a left ...
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