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vascular neurosurgery

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https://www.readbyqxmd.com/read/28931265/diagnostic-and-interventional-optical-angioscopy-in-ex-vivo-carotid-arteries
#1
Luis E Savastano, Neeraj Chaudhary, Carlos Murga-Zamalloa, Michael Wang, Thomas Wang, B Gregory Thompson
BACKGROUND: Angioscopy - or endovascular endoscopy - is a catheter-based technique employing a flexible fiberoptic angioscope to directly visualize arterial lumen. Poor resolution and excessive stiffness of pre-existent angioscopes limited their use clinically. Recent advances resulted in novel fused optical fiber bundle angioscopes with improved flexibility and imaging resolution. Use of these devices in endovascular neurosurgery is still largely unexplored. OBJECTIVE: To evaluate image quality and feasibility of optical angioscopes for diagnostic and interventional neuro-angioscopy in carotid arteries of human cadavers...
February 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28917287/intraoperative-computed-tomography-in-cranial-neurosurgery
#2
REVIEW
Christian Schichor, Nicole Terpolilli, Jun Thorsteinsdottir, Jörg-Christian Tonn
The challenge for treating complex lesions with the aim of minimal surgery-related morbidity has generated an increasing demand for sophisticated intraoperative imaging modalities. Newest generations of intraoperative computed tomography (CT) scanners offer a multitude of hardware and software improvements resulting in higher image quality that further propagates its everyday usage in the interdisciplinary operative setting. This article describes workflow and applicability of intraoperative CT scanning in cranial neurosurgery, in subspecialties like skull base or vascular neurosurgery, and its advantages and limitations...
October 2017: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/28887861/ultrasound-guided-intratumoral-radiofrequency-ablation-coagulation-to-facilitate-meningioma-resection-preliminary-experience
#3
Li Yan, Junle Yang, Xiaodong Zhou, Guangbin He, Yu Zheng, Yali Zhu, Weiping Liu, Wen Luo, Haiying Qin, Haijing Liu, Xicai Yi, Yin Zhou
OBJECTIVES: This study aimed to explore the feasibility and safety of intratumoral radiofrequency ablation (RFA) in meningioma resection. METHODS: This study was approved by the Xijing Ethics Committee, and informed consent was obtained from all of the patients. Thirteen patients with meningiomas were recruited in the Neurosurgery Department of Xijing Hospital. These patients were treated with intratumoral RFA and surgery. We also chose 13 patients with meningiomas treated with traditional surgery as the control group...
September 9, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28876431/analysis-of-the-availability-of-the-resources-necessary-for-urgent-and-emergency-healthcare-in-s%C3%A3-o-paulo-between-2009-2013
#4
Silvana Hebe Coimbra, Eliete Dominguez Lopez Camanho, Lindolfo Carlos Heringer, Ricardo Vieira Botelho, Cidia Vasconcellos
Introduction: The Regulatory Complex is the structure that operationalizes actions for making resources available to meet the needs of urgent and emergency care in the municipality of São Paulo. In the case of urgent care, needs are immediate and associated with high morbidity and mortality. Objective: To identify the most frequently requested resources, the resolution capacity and the mortality rate associated with the unavailability of a certain resource. Method: Our study was based on data from medical bulletins issued by the Urgent and Emergency Regulation Center (CRUE) in the city of São Paulo from 2009 to 2013...
June 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28867583/-hybrid-operating-room-for-what
#5
M Benoit, A Bouvier, P Bigot
Hybrid operating rooms (HOR) are rooms that mix interventional radiology and surgical equipments. They are usually used in heart, vascular, orthopedic and neurosurgery, and make it possible to consider new minimally invasive procedures in urology. Thanks to these, we developed a new partial nephrectomy technique without renal pedicle clamping and without ischemia. Renal cancer is now diagnosed at localized stage in most of the cases, and its treatment is mostly based on nephron sparing surgery. However, the hemorrhagic character of this intervention requires a renal pedicle clamping whose long-term consequences on renal function are discussed...
August 31, 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/28821626/current-applications-and-future-perspectives-of-robotics-in-cerebrovascular-and-endovascular-neurosurgery
#6
REVIEW
Simon A Menaker, Sumedh S Shah, Brian M Snelling, Samir Sur, Robert M Starke, Eric C Peterson
Advances in robotic medicine have been adopted by various surgical subspecialties as the benefits of this technology become more readily apparent: precision in narrow operative windows, tremor controlled movements, and modestly improved outcomes, among others. Vascular neurosurgery, in particular, remains open to newer and more cutting edge treatment options for complex pathologies, and robotics may be on the horizon for such advances. We seek to provide a broad overview of these innovations in vascular neurosurgery for both practitioners well acquainted with robotics and those seeking to become more familiar...
August 18, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28818271/the-vestibulocochlear-bases-for-wartime-posttraumatic-stress-disorder-manifestations
#7
T A Tigno, R A Armonda, R S Bell, M A Severson
Preliminary findings based on earlier retrospective studies of 229 wartime head injuries managed by the Walter Reed Army Medical Center (WRAMC)/National Naval Medical Center (NNMC) Neurosurgery Service during the period 2003-08 detected a threefold rise in Posttraumatic Stress Disorder (PTSD) manifestations (10.45%) among Traumatic Brain Injuries (TBI) having concomitant vestibulocochlear injuries compared to 3% for the TBI group without vestibulo-cochlear damage (VCD), prompting the authors to undertake a more focused study of the vestibulo-auditory pathway in explaining the development of posttraumatic stress disorder manifestations among the mostly Blast-exposed head-injured...
September 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28706116/training-standards-in-neuroendovascular-surgery-program-accreditation-and-practitioner-certification
#8
REVIEW
Arthur L Day, Adnan H Siddiqui, Philip M Meyers, Tudor G Jovin, Colin P Derdeyn, Brian L Hoh, Howard Riina, Italo Linfante, Osama Zaidat, Aquilla Turk, Jay U Howington, J Mocco, Andrew J Ringer, Erol Veznedaroglu, Alexander A Khalessi, Elad I Levy, Henry Woo, Robert Harbaugh, Steven Giannotta
BACKGROUND AND PURPOSE: Neuroendovascular surgery is a medical subspecialty that uses minimally invasive catheter-based technology and radiological imaging to diagnose and treat diseases of the central nervous system, head, neck, spine, and their vasculature. To perform these procedures, the practitioner needs an extensive knowledge of the anatomy of the nervous system, vasculature, and pathological conditions that affect their physiology. A working knowledge of radiation biology and safety is essential...
August 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28671080/targeted-surveillance-and-infection-related-risk-factors-of-nosocomial-infection-in-patients-after-neurosurgical-operation
#9
Lixi Jiang, Linping Guo, Rentao Li, Suzhen Wang
The purpose of this study was to investigate the risk factors of nosocomial infection in patients after neurosurgical operations, so as to provide reasonable, effective preventative measures in the future. A total of 1,600 patients with brain tumors, hydrocephalus, craniocerebral trauma and vascular disease treated in the neurosurgery room were chosen for targeted surveillance; and through analysis on the clinical data of patients, the incidence of nosocomial infection, the site of infection and the distribution of pathogens, we investigated the infection-related risk factors...
May 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28669297/establishing-reconstructive-neurosurgery-as-a-subspecialty
#10
Justin M Brown, Mark A Mahan, Ross Mandeville, Bob S Carter
Neurosurgery is experiencing the emergence of a new subspecialty focused on function restoration. New, evolving, and reappraised surgical procedures have provided an opportunity to restore function to many patients with previously undertreated disorders. Candidates for reconstruction were previously limited to those with peripheral nerve and brachial plexus injuries, but this has been expanded to include stroke, spinal cord injury, and a host of other paralyzing disorders affecting both upper and lower motor neurons...
July 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28651099/brain-shift-compensation-using-intraoperative-ultrasound-and-constraint-based-biomechanical-simulation
#11
Fanny Morin, Hadrien Courtecuisse, Ingerid Reinertsen, Florian Le Lann, Olivier Palombi, Yohan Payan, Matthieu Chabanas
PURPOSE: During brain tumor surgery, planning and guidance are based on preoperative images which do not account for brain-shift. However, this deformation is a major source of error in image-guided neurosurgery and affects the accuracy of the procedure. In this paper, we present a constraint-based biomechanical simulation method to compensate for craniotomy-induced brain-shift that integrates the deformations of the blood vessels and cortical surface, using a single intraoperative ultrasound acquisition...
June 15, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/28633462/in-reply-genealogy-of-training-in-vascular-neurosurgery
#12
Shakeel A Chowdhry, Robert F Spetzler
No abstract text is available yet for this article.
September 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28622340/antibiotic-prophylaxis-for-surgical-site-infections-as-a-risk-factor-for-infection-with-clostridium-difficile
#13
Aubrey Balch, Aaron M Wendelboe, Sara K Vesely, Dale W Bratzler
OBJECTIVE: We aimed to measure the association between 2013 guideline concordant prophylactic antibiotic use prior to surgery and infection with Clostridium difficile. DESIGN: We conducted a retrospective case-control study by selecting patients who underwent a surgical procedure between January 1, 2012 and December 31, 2013. SETTING: Large urban community hospital. PATIENTS: Cases and controls were patients age 18+ years who underwent an eligible surgery (i...
2017: PloS One
https://www.readbyqxmd.com/read/28600218/systematic-review-of-patient-specific-surgical-simulation-toward-advancing-medical-education-%C3%A2
#14
Won Hyung A Ryu, Navjit Dharampal, Ahmed E Mostafa, Ehud Sharlin, Gail Kopp, William Bradley Jacobs, Robin John Hurlbert, Sonny Chan, Garnette R Sutherland
OBJECTIVE: Simulation-based education has been shown to be an effective tool to teach foundational technical skills in various surgical specialties. However, most of the current simulations are limited to generic scenarios and do not allow continuation of the learning curve beyond basic technical skills to prepare for more advanced expertise, such as patient-specific surgical planning. The objective of this study was to evaluate the current medical literature with respect to the utilization and educational value of patient-specific simulations for surgical training...
June 6, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28599908/fluorescein-angiography-in-intracranial-aneurysm-surgery-a-helpful-method-to-evaluate-the-security-of-clipping-and-observe-blood-flow
#15
Cristian Kakucs, Ioan-Alexandru Florian, Gheorghe Ungureanu, Ioan-Stefan Florian
BACKGROUND: In cerebral aneurysm surgery, various tools are used to evaluate blood flow, including Doppler ultrasonography, conventional cerebral angiography, and electrophysiological monitoring. Fluorescein and indocyanine green are widely used in vascular and central nervous system tumor neurosurgery; however, their routine utilization in aneurysmal surgery is uncommon, despite the fact that they allow direct visualization of blood flow after aneurysmal sac occlusion, enabling the observation of vessel permeability and the effectiveness of aneurysmal obliteration...
September 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28589068/endovascular-treatment-of-large-unruptured-fusiform-fenestrated-vertebrobasilar-junction-aneurysm
#16
Saeed A Alqahtani, Daniel R Felbaum, Alex Tai, Ai-Hsi Liu, Rocco A Armonda
Fenestrated vertebrobasilar junction aneurysms are rare vascular lesions. Microsurgical intervention is extremely difficult due to the complex anatomy in the vicinity of these aneurysms. Endovascular neurosurgery appears to be safe and should be considered as the first modality of treatment. This case study details the treatment of an unruptured fusiform fenestrated vertebrobasilar junction aneurysm with endovascular occlusion with stent-assisted coiling. The optimal angiographic exposure and selective microcatheterization of the aneurysm were challenging due to the patient's body habitus, and the aneurysm was large with one dominant fenestrated limb...
May 3, 2017: Curēus
https://www.readbyqxmd.com/read/28582290/atypical-growing-pattern-of-superficial-temporal-artery-pseudoaneurysm
#17
Jeonghyun Ha, Yong Hyun Kim, Bo La Yun, Kyu Sang Lee, Chang-Sik Pak, Jae Hoon Jeong
Superficial temporal artery pseudoaneurysm is rare and usually caused by trauma. Pseudoaneurysms have been reported to occur most frequently from 2 to 6 weeks after trauma and they range from 1 to 3 cm in diameter. The authors present a case of a patient with an atypical delayed rapid growing pseudoaneurysm, who had undergone neurosurgery after head trauma 20 years ago.A 72-year-old woman underwent craniotomy and extradural hemorrhage removal through a left temporoparietal incision caused by head trauma after a traffic accident 20 years prior...
June 2, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28575458/letter-genealogy-of-training-in-vascular-neurosurgery
#18
Chandramouli Balasubramanian
No abstract text is available yet for this article.
September 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28502565/-management-of-postoperative-complications-in-cases-of-gorham-s-disease-with-cervical-spine-involvement-a-case-report
#19
A Gbaguidi, A Fichten, M Lefranc, J Peltier
Gorham's disease is a rare osteolytic bone disease, caused by pathological vascular tissue, which may spread to adjacent organs. It is a disease of unknown etiology, primarily involving the axial skeleton and whose treatment is not codified. Cervical spine involvement is unusual. Stabilization of the cervical spine is a real surgical challenge. We report the case of a young adult treated in our neurosurgery department for a cervical spine localization of Gorham's disease.
May 11, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28477043/multimodal-use-of-indocyanine-green-endoscopy-in-neurosurgery-a-single-center-experience-and-review-of-the-literature
#20
REVIEW
Giuseppe Catapano, Francesco Sgulò, Lili Laleva, Laura Columbano, Iacopo Dallan, Matteo de Notaris
During the last 10 years, microscope-integrated indocyanine green fluorescence (m-ICG) has been widely used for assessing real-time blood flow during aneurysm surgery. More recently, an endoscope-integrated indocyanine green fluorescence (e-ICG) has been adopted as a versatile tool during different endoscopic neurosurgical procedures. The purpose of the present report is to evaluate multimodal applications of e-ICG during different endonasal, intraventricular, aneurysm and brain tumor surgeries and provide technical nuances...
May 6, 2017: Neurosurgical Review
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