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Neurovascular complications

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https://www.readbyqxmd.com/read/29452906/extracranial-arterial-wall-volume-is-increased-and-shows-relationships-with-vascular-mri-measures-in-idiopathic-parkinson-s-disease
#1
Stephen Ball, Sarah Al-Bachari, Laura M Parkes, Hedley C A Emsley, Charles N McCollum
OBJECTIVE: Idiopathic Parkinson's disease (IPD) is the second most common neurodegenerative disorder, often complicated by dementia. Cardiovascular risk factors and spontaneous cerebral emboli (SCE) are strongly associated with Alzheimer's (AD) and vascular dementia (VaD). We measured SCE in the middle cerebral artery and arterial wall volume in the extracranial arteries in patients with IPD and controls, and explored the relationships with structural and physiological MRI brain neurovascular measures...
February 10, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29445328/hippocampal-atrophy-following-subarachnoid-hemorrhage-correlates-with-disruption-of-astrocyte-morphology-and-capillary-coverage-by-aqp4
#2
Maryam Anzabi, Maryam Ardalan, Nina K Iversen, Ali H Rafati, Brian Hansen, Leif Østergaard
Despite successful management of ruptured intracranial aneurysm following subarachnoid hemorrhage (SAH), delayed cerebral ischemia (DCI) remains the main cause of high mortality and morbidity in patients who survive the initial bleeding. Astrocytes play a key role in neurovascular coupling. Therefore, changes in the neurovascular unit including astrocytes following SAH may contribute to the development of DCI and long-term complications. In this study, we characterized morphological changes in hippocampal astrocytes following experimental SAH, with special emphasis on glia-vascular cross-talk and hippocampal volume changes...
2018: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/29444961/no-inferiority-of-tonbridge-thrombectomy-device-for-acute-thrombus-retrial-compared-with-solitaire-device-an-experimental-evaluation-with-a-canine-distal-external-carotid-maxillary-artery-occlusion-model
#3
Geng Zhou, Ming-Hua Li, Hai-Tao Lu, Jiang-Shan Deng, Yu-Wu Zhao, Yi Xiang J Wang, Yue-Qi Zhu
INTRODUCTION: Mechanical thrombectomy (MT) has been widely accepted as a safe and effective treatment for acute ischemic stroke (AIS). Development of stent retriever devices has been intensively developed over the past two decades. In this study, we compared the effectiveness and safety of a new thrombectomy device with Solitaire FR for the treatment of AIS models. METHODS: Mechanical performance of stent retrievers was tested in vitro. Thrombin-induced thrombus was pre-injected into the right distal external carotid-maxillary artery in 18 dogs to create an acute thrombus occlusion model, and these animals were divided into a Tonbridge group (n=9, with Tonbridge stent Tonbridge Medical Technology) and a Solitaire group as control (n=9, with Solitaire stent, ev3 Neurovascular)...
February 14, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29417290/secondary-coiling-after-incomplete-surgical-clipping-of-cerebral-aneurysms-a-rescue-strategy-or-a-treatment-option-for-complex-cases-institutional-series-and-systematic-review
#4
REVIEW
Giuseppe Maria Della Pepa, Federico Bianchi, Alba Scerrati, Alessio Albanese, Enrico Cotroneo, Alberto Delitala, Renato Gigli, Giuseppe La Rocca, Enrico Marchese, Alessandro Pedicelli, Alfredo Puca, Giovanni Sabatino, Alessando Olivi, Carmelo Lucio Sturiale
Residual and recurrent intracranial aneurysms after surgical clipping present a persistent risk of bleeding. Secondary coiling after incomplete clipping represents a strategy to occlude the residual sac: feasibility, bleeding risk and outcome were evaluated through a systematic review of literature along with the series of two tertiary referral neurovascular centres. Demographics, ruptured status, aneurysm morphology, topography, exclusion at surgery, timing of secondary coiling, complications, occlusion rate and outcome were analysed...
February 7, 2018: Neurosurgical Review
https://www.readbyqxmd.com/read/29411111/functional-morphology-of-the-blood-brain-barrier-in-health-and-disease
#5
REVIEW
Stefan Liebner, Rick M Dijkhuizen, Yvonne Reiss, Karl H Plate, Dritan Agalliu, Gabriela Constantin
The adult quiescent blood-brain barrier (BBB), a structure organised by endothelial cells through interactions with pericytes, astrocytes, neurons and microglia in the neurovascular unit, is highly regulated but fragile at the same time. In the past decade, there has been considerable progress in understanding not only the molecular pathways involved in BBB development, but also BBB breakdown in neurological diseases. Specifically, the Wnt/β-catenin, retinoic acid and sonic hedgehog pathways moved into the focus of BBB research...
February 6, 2018: Acta Neuropathologica
https://www.readbyqxmd.com/read/29408591/continuous-acetylsalicylic-acid-treatment-does-not-influence-bleeding-pattern-or-outcome-of-aneurysmal-subarachnoid-hemorrhage-a-matched-pair-analysis
#6
Markus Bruder, Sae-Yeon Won, Marlies Wagner, Nina Brawanski, Nazife Dinc, Sepide Kashefiolasl, Volker Seifert, Juergen Konczalla
OBJECTIVE: Demographic changes are leading to an aging society with a growing number of patients with cardiovascular diseases, relying on antiplatelet drugs like acetylsalicylic acid (ASA). Although antiplatelet agents are suspected to be protective not only in the cardiological but in the neurovascular field, the alteration of the coagulating process could have a major impact on the course and outcome after rupture of intracranial aneurysms. METHODS: Between June 1999 and December 2014, 1422 patients were treated due to aneurysmal SAH in our institution...
February 3, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29404249/extended-endoscopic-endonasal-approach-for-suprasellar-craniopharyngioma
#7
D Locatelli, F Pozzi, G Agresta, S Padovan, A Karligkiotis, P Castelnuovo
Objectives  We illustrate a suprasellar craniopharyngiomas treated with an extended endoscopic endonasal approach (EEEA). Design  Case report of a 43-year-old male affected by cerebral lesion located in suprasellar region involving the third ventricle and compressing the neurovascular structures, causing an anterosuperior dislocation of the chiasma. There is a complete disruption of the pituitary stalk that can explain the clinical finding of partial anterior hypopituitarism and hyperprolactinemia. The lesion is characterized by a solid and cystic component...
February 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29402546/reconstruction-of-an-anterior-chest-wall-radionecrosis-defect-by-a-contralateral-latissimus-dorsi-flap-a-case-report
#8
A Vairinho, A Al Hindi, M Revol, A Legras, K Rem, Y Guenane, S Cristofari, T Sorin
INTRODUCTION: Soft tissue and bone radionecrosis are rare but serious complications may occur late after radiotherapy. CASE REPORT: We report the case of an 86-year-old woman with a history an infiltrating ductal carcinoma of the left breast, treated by total mastectomy, left axillary dissection and adjuvant radiotherapy. Eighteen years later, the first radionecrosis lesions appeared and grew progressively in a 6-month period. These lesions are deep, involving the anterior aspect of the 4th to the 6th ribs and infiltrating the chest wall to the left cardio-thoracic space communicating largely with the pericardium...
February 2, 2018: Annales de Chirurgie Plastique et Esthétique
https://www.readbyqxmd.com/read/29392282/primary-palate-trauma-in-patients-presenting-to-us-emergency-departments-2006-2010
#9
Aaron Smith, Meredith Ray, Scott Chaiet
Importance: The sequelae of palate trauma vary from minimal discomfort to major neurovascular injury. Infrequency of palate trauma and clinician unfamiliarity with the disease process may lead to variation in evaluation, treatment, and disposition in the emergency department (ED). Objectives: To measure the incidence of primary palate trauma visits to US emergency departments with analysis of demographics, disposition, and repair and to determine frequency and factors associated with head and neck imaging...
February 1, 2018: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/29390479/biaxial-reduction-technique-for-the-medially-displaced-quadrilateral-surface-in-acetabular-fracture-through-the-modified-iliofemoral-approach-an-observational-study
#10
Byung Hoon Lee
Treatment of acetabular fractures is technically demanding injuries. The complex surgical approaches and special equipment have been introduced for achieving accurate anatomical reduction.The aim of the study was to present our experiences of using a newly operative technique to achieve accurate reduction of articular dome impaction and of the quadrilateral surface without special equipment or traction device in reference to fracture reduction and fixation, technical aspects, and the incidence of complications...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29377085/modified-rib-pivot-lateral-thoracotomy-a-case-series
#11
C Appelgrein, G Hosgood
OBJECTIVE: To describe a modified rib pivot thoracotomy and its clinical application in client-owned dogs and cats. STUDY DESIGN: Case series of 24 dogs and 1 cat requiring a thoracotomy. METHODS: A lateral thoracic incision over the required thoracic segment was made. The latissimus dorsi muscle was reflected dorsally. The predetermined rib was identified and the periosteum overlying the rib was elevated circumferentially, avoiding the intercostal neurovascular structures...
January 2018: Australian Veterinary Journal
https://www.readbyqxmd.com/read/29363434/gorham-stout-disease-of-the-temporal-bone-involving-the-temporomandibular-joint
#12
D Mulvihill, R S Kumar, J Muzaffar, R Irving
BACKGROUND: Gorham-Stout disease of the skull is a very rare entity. It presents with gradual bone resorption, and proliferation of lymphoid and vascular channels within the bony matrix. This is often a diagnosis of exclusion confirmed with serial imaging and based on radiological evidence. CASE REPORT: A case of Gorham-Stout disease of the temporal bone involving the temporomandibular joint, and presenting with sensorineural hearing loss and recurrent temporomandibular joint dislocation, is reported...
January 24, 2018: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/29354747/systematic-review-of-cortical-bone-trajectory-versus-pedicle-screw-techniques-for-lumbosacral-spine-fusion
#13
REVIEW
Kevin Phan, Vignesh Ramachandran, Tommy M Tran, Kevin P Shah, Matthew Fadhil, Alan Lackey, Nicholas Chang, Ai-Min Wu, Ralph J Mobbs
Fusion of the lumbosacral spine is a common surgical procedure to address a range of spinal pathologies. Fixation in lumbar fusion has traditionally been performed using pedicle screw (PS) augmentation. However, an alternative method of screw insertion via cortical bone trajectory (CBT) has been advocated as a less invasive approach which improves initial fixation and reduces neurovascular injury. There is a paucity of robust clinical evidence to support these claims, particularly in comparison to traditional pedicle screws...
December 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29352056/relationship-between-adverse-events-and-antiplatelet-drug-resistance-in-neurovascular-intervention-a-meta-analysis
#14
Eun Jung Shim, Chang-Woo Ryu, Soonchan Park, Han Na Lee, Hee Sup Shin, Sang-Beom Kim
BACKGROUND: This meta-analysis aimed to evaluate the association between antiplatelet resistance and the risk of procedure-related complications in neurovascular interventions. METHODS: We identified relevant articles by searching electronic databases and reviewed the reference lists of selected papers. The risk of adverse events between antiplatelet responders and hyporesponders during neurointervention was compared in eligible clinical studies. Risk ratios (RRs) and 95% CIs were pooled using a random-effects meta-analysis...
January 19, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29349018/open-4-compartment-fasciotomy-for-chronic-exertional-compartment-syndrome-of-the-leg
#15
Amos Z Dai, Michael Zacchilli, Neha Jejurikar, Hien Pham, Laith Jazrawi
Chronic exertional compartment syndrome (CECS) is a significant source of lower extremity pain and morbidity in the athletic population. Although endoscopic techniques have been introduced, open fasciotomy remains the mainstay of surgical treatment because of the paucity of evidence in support of an endoscopic approach. The literature on surgical management of CECS is mixed, and overall success rates are modest at best. Optimizing surgical technique, including prevention of neurovascular injury and wound complications, can make a significant impact on the clinical outcome...
December 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29345719/an-anatomical-variant-evaluation-of-accessory-canals-of-the-canalis-sinuosus-using-cbct
#16
Kaan Orhan, Cansu Gorurgoz, Mesut Akyol, Savaş Ozarslanturk, Hakan Avsever
BACKGROUND: The anatomical variation of the anterior superior alveolar nerve which described as canalis sinuosus(CS) is a less known structure of anterior maxilla. Due to it contains anterior superior alveolar nerve as well as vein and arteries, exact diagnosis will provide surgeons to avoid complications. Hence, the aim of this study was to verify the presence, reveal the frequency and characteristics of accessory canals of canalis sinuosus. MATERIAL AND METHODS: This study was based on retrospective evaluation of CBCT scans...
January 18, 2018: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/29329067/case-report-iatrogenic-brachial-artery-dissection-with-complete-anterograde-occlusion-during-elective-arterial-line-placement
#17
Laurence Weinberg, Diana Abu-Ssaydeh, Manfred Spanger, Patrick Lu, Michael H-G Li
INTRODUCTION: Brachial arterial catheters provide a more accurate reflection of central aortic arterial pressure compared to their radial counterparts. Although brachial arterial line complications are uncommon, we report a case of a rare iatrogenic brachial artery dissection with complete anterograde occlusion from elective arterial line placement. PRESENTATION OF CASE: A 41-year-old female presented for a right upper and middle lobe resection of a large neuroendocrine lung cancer...
December 27, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29326772/posterior-elbow-dislocation-with-brachial-artery-thrombosis-treated-non-surgically-a-case-report
#18
S M Lim, G G Chua, F Asrul, M Yazid
The brachial artery is rarely injured in closed posterior dislocation of the elbow, unlike the high rate of vascular injury seen after dislocation of the knee. Despite the anatomical proximity of the brachial artery to the elbow joint, most cases of brachial artery injury after dislocation of the elbow are related to an associated fracture, an open injury or high-energy trauma. A high index of suspicion should be maintained as well as a thorough neurovascular examination with regards this potentially disastrous complication...
November 2017: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/29325832/the-pics-technique-a-novel-approach-for-residual-curvature-correction-during-penile-prosthesis-implantation-in-patients-with-severe-peyronie-s-disease-using-the-collagen-fleece-tachosil
#19
Georgios Hatzichristodoulou
BACKGROUND: Correction of residual curvature during inflatable penile prosthesis (IPP) implantation in patients with Peyronie's disease (PD) by plaque incision and grafting is a common approach. AIM: To present a novel technique for residual curvature correction during IPP implantation using collagen fleece (TachoSil, Baxter Healthcare Corp, Deerfield, IL, USA). METHODS: After the IPP (Titan Touch, Coloplast, Minneapolis, MN, USA) is placed, the implant is inflated maximally...
January 8, 2018: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/29306577/diaphyseal-forearm-fractures-20-years-after-surgical-treatment-is-there-still-an-indication-for-percutaneous-fixation
#20
M R Fernández-Marín, M Hidalgo-Pérez, G Arias-Rodríguez, A García-Mendoza, E Prada-Chamorro, G Domecq-Fernández de Bobadilla
OBJECTIVE: This is a retrospective study of 98 diaphyseal forearm fractures in adults, treated by a percutaneous technique with intramedullar Kirchner wires. MATERIALS AND METHOD: We reviewed 64 patients with 98 forearm fractures with a radiographic follow-up, assessing the presence of pseudarthrosis or delayed bone union and evaluating functional outcomes with the Anderson and the Disability of the Arm, Shoulder and Hand scale. RESULTS: Clinical and radiological bone union was achieved in an average of 12 weeks...
January 3, 2018: Revista Española de Cirugía Ortopédica y Traumatología
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