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https://www.readbyqxmd.com/read/29336392/transesophageal-echocardiography-evaluation-of-the-aortic-arch-branches
#1
REVIEW
Thimmangouda A Patil, Santosh Kumar Ambli
Visualization of aortic arch branches by transesophageal echocardiography has been technically challenging. Visualizing these vessels helps in identifying the extent of dissection of the aorta, assessing the severity of carotid artery stenosis, presence of atheromatous plaques, patency of the left internal mammary artery graft, confirmation of subclavian artery cannulation, confirming holodiastolic flow reversal in the left subclavian artery by spectral Doppler imaging in case of severe aortic regurgitation, and confirming the optimal position of the intraaortic balloon perioperatively...
January 2018: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/29334520/invited-commentary-evaluation-of-horner-syndrome-in-the-mri-era
#2
Aki Kawasaki
This Invited Commentary discusses the following article: BACKGROUND:: To identify the etiologies of adult Horner syndrome (HS) in the MRI era using a targeted evaluation approach and to assess the value and yield of targeted imaging. METHODS: A retrospective chart review was performed of 200 adult outpatients with HS, confirmed with cocaine eyedrop testing. Patients were divided into subgroups based on the presence or absence of symptoms and those who did or did not receive additional testing with hydroxyamphetamine drops...
January 11, 2018: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/29332573/torsades-de-pointes-in-patients-with-polymyalgia-rheumatica
#3
Pietro Enea Lazzerini, Iacopo Bertolozzi, Maurizio Acampa, Rosella Fulceri, Franco Laghi-Pasini, Pier Leopoldo Capecchi
Polymyalgia rheumatica (PMR) represents the most common inflammatory rheumatic disease of the elderly. It is characterized by synovitis of proximal joints and extra-articular synovial structures, along with chronic high-grade systemic inflammation. PMR is closely related to giant cell arteritis (GCA), a large-vessel vasculitis that involves the major branches of the aorta, particularly the extracranial branches of carotid artery including temporal arteries. It is currently believed that PMR and GCA may represent different manifestations of the same disease process...
January 10, 2018: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29325963/surgical-anatomy-of-the-eustachian-tube-for-endoscopic-transnasal-skull-base-surgery-a-cadaveric-and-radiological-study
#4
Noritaka Komune, Satoshi Matsuo, Koichi Miki, Yojiro Akagi, Ryota Kurogi, Koji Iihara, Takashi Nakagawa
OBJECTIVE: The endoscopic endonasal approach to the anatomically complex lateral skull base presents technical challenges. The use of the Eustachian tube as a landmark to identify the petrous internal carotid artery has recently been reported, and this study aims to define the anatomical relationship between the Eustachian tube and its surrounding structures using cadaveric dissection and radiologic analysis. METHODS: To clarify the relationship of the Eustachian tube with its surrounding structures, we performed endoscopic and microscopic dissection of four adult cadaveric heads, and analyzed computed topography scans from 20 patients...
January 8, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29322981/expansile-manubriotomy-for-ventral-cervicothoracic-junction-disease
#5
Sudhir Dubey, Amit Agrawal
Cervicothoracic junction can be approached anteriorly, anterolaterally, posterolaterally, and posteriorly. The anterior approaches in this region best address the ventral vertebral body disease but may cause significant morbidity. Twelve patients with their disease process located ventral to the spinal cord in the cervicothoracic junction underwent expansile manubriotomy and corpectomy. Eleven patients underwent fusion. One patient underwent an oblique corpectomy. All patients had their disease process from T1 to T3 vertebral levels...
January 2018: Neurology India
https://www.readbyqxmd.com/read/29320926/brain-perfusion-fixation-in-male-pigs-using-a-safer-closed-system
#6
Gracia U Musigazi, Stéphanie De Vleeschauwer, Raf Sciot, Eric Verbeken, Bart Depreitere
Tissue fixation methods are well established for rodents, but not for large animals. We present a simple technique for in situ brain perfusion fixation in a male porcine model, using cervical vessels for inflow and outflow and achieving a closed system. Thirty-four pigs, aged 4.7 ± 0.6 months and weighing 60.7 ± 10.9 kg, were anaesthetised and mechanically ventilated. The ipsilateral common carotid artery and external jugular vein were dissected and constituted the inflow and outflow access, respectively...
January 1, 2018: Laboratory Animals
https://www.readbyqxmd.com/read/29285704/direct-perfusion-of-the-carotid-artery-in-patients-with-brain-malperfusion-secondary-to-acute-aortic-dissection
#7
Yutaka Okita, Yuki Ikeno, Koki Yokawa, Yojiro Koda, Soichiro Henmi, Yasuko Gotake, Hidekazu Nakai, Takashi Matsueda, Takeshi Inoue, Hiroshi Tanaka
OBJECTIVE: Presenting our experience of direct perfusion of the carotid artery in patients with brain malperfusion secondary to acute aortic dissection. PATIENTS: Among 381 patients who underwent aortic repair for acute type A aortic dissection from October 1999 to August 2017, brain malperfusion was recognized in 50 patients. Nine patients had direct perfusion of the right carotid artery in patients with brain malperfusion secondary to acute aortic dissection. Age at surgery was 65...
December 28, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29279888/prevalence-of-systemic-atherosclerosis-burdens-and-overlapping-stroke-etiologies-and-their-associations-with-long-term-vascular-prognosis-in-stroke-with-intracranial-atherosclerotic-disease
#8
Takao Hoshino, Leila Sissani, Julien Labreuche, Gregory Ducrocq, Philippa C Lavallée, Elena Meseguer, Céline Guidoux, Lucie Cabrejo, Cristina Hobeanu, Fernando Gongora-Rivera, Pierre-Jean Touboul, Philippe Gabriel Steg, Pierre Amarenco
Importance: Patients who have experienced stroke with intracranial atherosclerotic disease (ICAD) may also have concomitant atherosclerosis in different arterial beds and other possible causes for ischemic stroke. However, little is known about the frequency and prognostic effect of such overlapping diseases. Objectives: To describe the prevalence of systemic atherosclerotic burdens and overlapping stroke etiologies and their contributions to long-term prognoses among patients who have experienced stroke with ICAD...
December 26, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/29262391/-ruptured-dissecting-aneurysm-of-m2-portion-of-the-middle-cerebral-artery-a-case-report
#9
Yutaka Fukushima, Tomohiro Takaki, Shinichiro Yoshino, Katsuyuki Hirakawa, Tooru Inoue
A 71-year-old woman presented with a sudden onset of headache and vomiting. Computed tomography(CT)showed diffuse subarachnoid hemorrhage(SAH)that was more severe on the right side. Three-dimensional CT angiography and right carotid angiography(CAG)demonstrated 2-mm microaneurysms at the middle cerebral artery(MCA)bifurcation and anterior communicating artery, with slight narrowing and dilatation of the M2 inferior trunk. Each microaneurysm was smooth, making it difficult to identify the bleeding source. Thus, surgery was postponed at the acute stage, and further investigation was planned...
December 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/29260078/reversal-of-carotid-dissection-induced-ocular-and-cerebral-ischemia-by-stenting
#10
Daniel L Albertus, Baldassare Pipitone, Ashok Srinivasan, Jonathan D Trobe
Purpose: To present an example of how close clinical monitoring of a patient with acute Horner syndrome from carotid artery dissection may be critical in reversing neurologic dysfunction. Observations: A patient whose initial neuro-ophthalmic manifestation was Horner syndrome, but who evolved over 14 days to display transient monocular vision loss, ipsilateral ocular ischemic syndrome, and episodic contralateral hemiparesis. Digital subtraction angiography demonstrated progressive ipsilateral carotid occlusion with lack of collateral flow...
September 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29259765/case-report-managing-a-giant-high-grade-carotid-body-tumor-in-a-resource-limited-setting
#11
Sunil Munakomi, Samrita Chaudhary, Iype Cherian
Herein we report the management of a giant, high-grade and vascular carotid body tumor in a young woman. She presented with slowly progressive neck swelling. Vascular imaging revealed a left-sided, high-grade giant carotid body tumor (> 8cm).  The tumor was completely excised by caudocranial subadventitial dissection. Histology of the tumor revealed a characteristic Zellballen pattern of the lesion, suggestive of a paraganglioma. The patient made an uneventful recovery. We also discuss newer insights regarding the management of such highly vascular lesions...
2017: F1000Research
https://www.readbyqxmd.com/read/29249540/a-morphometric-and-analytical-cadaver-dissection-study-of-a-tumor-simulation-balloon-model
#12
Baran Bozkurt, Evgenii Belykh, Kaan Yağmurlu, Abhishek Agrawal, Steve W Chang, Michael S Staren, Robert F Spetzler, Joseph M Zabramski, Mark C Preul
We quantified the effects on anatomical cadaver dissection of a balloon-inflation tumor model positioned in the parasellar region and approached through an orbitozygomatic (OZ) craniotomy. A modified supraorbital OZ was performed bilaterally on 5 silicon-injected cadaver heads. Ten predetermined anatomical points assigned using a frameless stereotactic device were used to measure the working area of exposure, degree of surgical freedom, and horizontal and vertical angles of attack to specific target points before and after inflation of a balloon catheter mimicking a parasellar tumor...
December 14, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29243332/extrinsic-and-intrinsic-blood-supply-to-the-optic-chiasm
#13
Céline Salaud, Stéphane Ploteau, Pauline Blery, Paul Pilet, Olivier Armstrong, Antoine Hamel
INTRODUCTION: Although there have been many studies of the arterial cerebral blood supply, only seven have described the optic chiasm (OC) blood supply and their results are contradictory. The aim of this study was to analyze the extrinsic and intrinsic OC blood supply on cadaveric specimens using dissections and microcomputer tomography (Micro-CT). MATERIALS AND METHODS: Thirteen human specimens were dissected and the internal or common carotid arteries were injected with red latex, China Ink with gelatin or barium sulfate...
December 15, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/29241685/fenestrated-thoracic-endovascular-aortic-repair-using-physician-modified-stent-grafts-for-acute-type-b-aortic-dissection-with-unfavourable-landing-zone
#14
Jiechang Zhu, Lujing Zhao, Xiangchen Dai, Yudong Luo, Hailun Fan, Zhou Feng, Yiwei Zhang, Fanguo Hu
OBJECTIVES: The aim was to evaluate the early results of fenestrated thoracic endovascular aortic repair (fTEVAR) using physician modified stent grafts (PMSGs) to revascularise aortic branches for acute type B aortic dissection (ABAD) with unfavourable proximal landing zone. METHODS: Twenty consecutive patients who underwent fenestrated TEVAR using PMSGs between November 2015 and December 2016 were retrospectively reviewed. Pre-, intra-, and post-operative clinical data were recorded...
December 12, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29240061/-hybrid-treatment-of-patients-with-aneurysms-and-dissections-of-the-aortic-arch-and-descending-portion-of-the-thoracic-aorta
#15
V V Shlomin, M L Gordeev, D A Zverev, E A Shloĭdo, V E Uspenskiĭ, E D Zvereva, P B Bondarenko, P D Puzdriak
The authors share herein their experience with hybrid surgical treatment of 21 patients presenting with lesions of the aortic arch and descending thoracic aorta. Aortic pathology included dissection of the thoracoabdominal aorta (n=15), a sacciform aneurysm of the aortic arch (n=5), and a spindle-shaped aneurysm of the distal portions of the aortic arch (n=1). The first stage consisted of the following operations: transposition of the left subclavian artery into the left common carotid artery (n=9; 42.8%), partial debranching (n=11; 52...
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/29217434/upper-limb-ischemia-by-subclavian-artery-dissection-after-osteopathic-manipulation
#16
Carine Boulon, Alexandre Maillet, Pierre Salaun, Sophie Skopinski, Joël Constans
We report the case of a young woman who experienced ischemia of upper limb after osteopathic manipulation. Duplex and CT scan showed wall hematoma of the ostium of subclavian artery. The patient spontaneously recovered so that no surgery was necessary. Dissection of vertebral and carotid arteries has been reported after osteopathic manipulations. We report ischaemia of upper limb secondary to dissection of subclavian artery. Arterial dissections associated with manipulation should be recorded in a register in order to assess more carefully the vascular risk that this method carries...
December 4, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29210860/aortic-dilatation-in-marfan-syndrome-role-of-arterial-stiffness-and-fibrillin-1-variants
#17
Paolo Salvi, Andrea Grillo, Susan Marelli, Lan Gao, Lucia Salvi, Maurizio Viecca, Anna Maria Di Blasio, Renzo Carretta, Alessandro Pini, Gianfranco Parati
OBJECTIVE: Marfan syndrome (MFS) is an autosomal dominant genetic disorder characterized by aortic root dilation and dissection and an abnormal fibrillin-1 synthesis. In this observational study, we evaluated aortic stiffness in MFS and its association with ascending aorta diameters and fibrillin-1 genotype. METHODS: A total of 116 Marfan adult patients without history of cardiovascular surgery, and 144 age, sex, blood pressure and heart rate matched controls were enrolled...
January 2018: Journal of Hypertension
https://www.readbyqxmd.com/read/29194991/hemorrhage-following-transoral-robotic-surgery-tors
#18
Ashley Hay, Jocelyn Migliacci, Daniella Karassawa Zanoni, Jay O Boyle, Bhuvanesh Singh, Richard J Wong, Snehal G Patel, Ian Ganly
BACKGROUND: To report our experience of postoperative hemorrhage in patients following transoral robotic surgery (TORS). METHODS: Data was collected on patients having TORS. Postoperative hemorrhage within 30 days was graded using the Mayo clinic grading system. RESULTS: TORS operations were performed on 122 patients. There were 23 bleeding events classified as minor to severe following 19 operations (16%). Hemorrhage requiring a return to the operating room occurred after 7 operations (6%)...
December 1, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29187757/the-role-of-laryngectomy-in-locally-advanced-thyroid-carcinoma-review-of-16-cases
#19
A I Chala, S Vélez, A Sanabria
Locally advanced disease with larynx invasion is a challenge to the surgeon, but laryngectomy is almost never necessary in thyroid carcinoma. The aim of this study was to review the clinical outcomes of patients with locally advanced thyroid carcinoma invading the larynx who underwent laryngectomy. A case series of patients treated in a tertiary care hospital was reviewed. Data about the type of operation, method of reconstruction, complications and overall survival of 16 patients operated on between 2002 and 2015 with larynx invasion is presented...
November 30, 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/29186414/local-sympathetic-denervation-attenuates-myocardial-inflammation-and-improves-cardiac-function-after-myocardial-infarction-in-mice
#20
Karin A Ziegler, Andrea Ahles, Timo Wille, Julia Kerler, Deepak Ramanujam, Stefan Engelhardt
Aims: Cardiac inflammation has been suggested to be regulated by the sympathetic nervous system (SNS). However, due to the lack of methodology to surgically eliminate the myocardial SNS in mice, neuronal control of cardiac inflammation remains ill defined. Here, we report a procedure for local cardiac sympathetic denervation in mice and tested its effect in a mouse model of heart failure post myocardial infarction. Methods and Results: Upon preparation of the carotid bifurcation the right and left superior cervical ganglion were localized and their pre- and postganglionic branches dissected before removal of the ganglion...
November 24, 2017: Cardiovascular Research
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