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Microneurosurgery

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https://www.readbyqxmd.com/read/29764031/-dynamic-retraction-microneurosurgery-for-the-treatment-of-medial-tentorial-meningiomas
#1
W Du, D Zhong, D Lü, J Li, H Y Huang, J Yang, Y T Wu, H J Xia, W Y Tang, X C Sun
Objective: To investigate the effectiveness and clinical significance of dynamic retraction microneurosurgery for the treatment of medial tentorial meningiomas. Methods: From January 2011 to December 2016, a cohort of 28 patients with medial tentorial meningiomas were treated by microneurosurgery at the First Affiliated Hospital of Chongqing Medical University. Patients who treated intraoperatively with dynamic retraction surgery from January 2014 to December 2016 were assigned into dynamic retraction group, and those with fixed retractors intraoperatively from January 2011 to December 2013 were assigned into retractor group...
May 8, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29764030/-neuroendoscopy-assisted-microneurosurgery-for-posterior-cranial-fossa-lesion
#2
J Li, D Zhong, D Lü, H Y Huang, W Du, J Yang, Y T Wu, H J Xia, W Y Tang, X C Sun
Objective: To study the value of neuroendoscopy assisted microneurosurgery technique in the treatment of posterior cranial fossa lesion. Methods: Clinical data of 36 patients with posterior fossa lesions who accepted neuroendoscopy assisted microneurosurgery (NEAM group) in the department of neurosurgery of the First Affiliated Hospital of Chongqing Medical University, from January 2014 to December 2016, were retrospectively enrolled. A total of 113 cases diagnosed with the same lesions and accepted conventional microneurosurgery (non-NEAM group) in the same period were analyzed as control group...
May 8, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29704694/flexible-endoscopic-assisted-microsurgical-radical-resection-of-intracanalicular-vestibular-schwannomas-by-retrosigmoid-approach-operative-technique
#3
Francesco Corrivetti, Guglielmo Cacciotti, Carlo Giacobbo Scavo, Raffaelino Roperto, Luciano Mastronardi
BACKGROUND: s: The efficacy of endoscopic techniques in the surgical management of intracanalicular vestibular schwannomas (ICVS) has been underlined in recent studies. Particularly, endoscopic assisted retrosigmoid approach (EARSA) appears particularly suitable in achieving complete resection of ICVS. OBJECTIVE: In this study we present the surgical treatment of 3 cases of ICVS, treated with an endoscopic assisted retrosigmoid approach, highlighting advantages and limitations of flexible endoscope in the accomplishment of a safe radical resection with hearing preservation...
April 25, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29581920/first-clinical-applications-of-a-high-definition-three-dimensional-exoscope-in-pediatric-neurosurgery
#4
Thomas Beez, Christopher Munoz-Bendix, Kerim Beseoglu, Hans-Jakob Steiger, Sebastian A Ahmadi
The ideal visualization tools in microneurosurgery should provide magnification, illumination, wide fields of view, ergonomics, and unobstructed access to the surgical field. The operative microscope was the predominant innovation in modern neurosurgery. Recently, a high-definition three-dimensional (3D) exoscope was developed. We describe the first applications in pediatric neurosurgery. The VITOM 3D exoscope (Karl Storz GmbH, Tuttlingen, Germany) was used in pediatric microneurosurgical operations, along with an OPMI PENTERO operative microscope (Carl Zeiss AG, Jena, Germany)...
January 24, 2018: Curēus
https://www.readbyqxmd.com/read/29461372/a-standard-operating-procedure-of-clean-and-fast-craniotomy-without-application-of-raney-clips
#5
Songyu Chen, Xin Zhang, Fuxin Lin, Shujun Xu, Xingang Li, Xiangyu Ma
Clean and fast craniotomy and closure (CAC) is a fundamental part of modern microneurosurgery, and is an essential technique that young neurosurgeons shall master. The hemostatic instruments of CAC have evolved from forceps to raney clips. Thanks to the wide application of bipolar coagulation, local infiltration anesthesia combined with cauterization is become an effective method of hemostasis. The authors worked out a standard operating procedure (SOP) of CAC assisted by fishhooks without the application of raney clips...
February 14, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29334639/vestibular-schwannoma-and-hearing-preservation-usefulness-of-level-specific-ce-chirp-abr-monitoring-a-retrospective-study-on-25-cases-with-preoperative-socially-useful-hearing
#6
Luciano Mastronardi, Ettore Di Scipio, Guglielmo Cacciotti, Raffaelino Roperto
BACKGROUND AND OBJECTIVES: Decision-making regarding the therapy of vestibular schwannoma (VS) changed over the last decades, during which curative microsurgery has been promoted. Goals of VS microsurgery are: extensive resection, facial nerve (FN) preservation and, in selected cases, hearing preservation (HP). The aim of this study is to evaluate postoperative HP with reference to tumor size in patients operated on with Level Specific (LS)-CE-Chirp® ABR monitoring. PATIENTS AND METHODS: Twentyfive consecutive patients with socially useful hearing (SUH) underwent VS microneurosurgery by retrosigmoid (RS) approach...
February 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29106670/initial-experience-using-a-high-definition-3-dimensional-exoscope-system-for-microneurosurgery
#7
Jayson Sack, Jeffrey A Steinberg, Robert C Rennert, Dustin Hatefi, Jeffrey S Pannell, Michael Levy, Alexander A Khalessi
BACKGROUND: The operative microscope and endoscope have significantly advanced modern neurosurgery. These devices are nonetheless limited by high costs and suboptimal optics, ergonomics, and maneuverability. A recently developed extracorporeal telescope ("exoscope") operative system combines characteristics from both the operative microscope and endoscope and provides an affordable, portable, high-definition operative experience. Widespread use of exoscopes in neurosurgery has previously been limited by a lack of stereopsis with 2-dimensional(2-D) monitors...
April 1, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29029292/minimizing-retraction-by-pia-arachnoidal-10-0-sutures-in-intrasulcal-dissection
#8
Kutluay Uluc, Ulas Cikla, Deniz B Morkan, Alperen Sirin, Azam S Ahmed, Kyle Swanson, Mustafa K Baskaya
BACKGROUND: In contemporary microneurosurgery reducing retraction-induced injury to the brain is essential. Self-retaining retractor systems are commonly used to improve visualization and decrease the repetitive microtrauma, but sometimes self-retaining retractor systems can be cumbersome and the force applied can cause focal ischemia or contusions. This may increase the morbidity and mortality. Here, we describe a technique of retraction using 10-0 sutures in the arachnoid. OBJECTIVE: To evaluate the imaging and clinical results in patients where 10-0 suture retraction was used to aid the surgical procedure...
September 19, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28985669/establishment-of-next-generation-neurosurgery-research-and-training-laboratory-with-integrated-human-performance-monitoring
#9
Antonio Bernardo
Quality of neurosurgical care and patient outcomes are inextricably linked to surgical and technical proficiency and a thorough working knowledge of microsurgical anatomy. Neurosurgical laboratory-based cadaveric training is essential for the development and refinement of technical skills before their use on a living patient. Recent biotechnological advances including 3-dimensional (3D) microscopy and endoscopy, 3D printing, virtual reality, surgical simulation, surgical robotics, and advanced neuroimaging have proved to reduce the learning curve, improve conceptual understanding of complex anatomy, and enhance visuospatial skills in neurosurgical training...
October 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28945052/negative-influence-of-preoperative-tinnitus-on-hearing-preservation-in-vestibular-schwannoma-surgery
#10
Luciano Mastronardi, Guglielmo Cacciotti, Raffaellino Roperto, Ettore DI Scipio
BACKGROUNDS: Goals of vestibular schwannoma (VS) microsurgery are: maximal resection, facial nerve (FN) preservation and, in selected cases, hearing preservation (HP). Postoperative HP rates are related to clinical and radiographic factors: size of tumor, preoperative hearing, hypertension, diabetes, and presence or absence of preoperative tinnitus. In this retrospective review we evaluated the influence of preoperative tinnitus on HP after VS surgery in patients with preoperative socially useful hearing (SUH)...
September 22, 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/28923426/flexible-ultrathin-endoscope-integrated-with-irrigation-suction-apparatus-for-assisting-microneurosurgery
#11
Naoki Otani, Yuji Morimoto, Kazuya Fujii, Terushige Toyooka, Kojiro Wada, Kentaro Mori
BACKGROUND: Endoscopy can observe the anatomical components in a deeply located and/or hidden area during neurosurgical procedures under the operating microscope. We have newly developed a flexible ultrathin endoscope integrated with irrigation suction apparatus (FUEISA) to visualize deeply located and/or hidden areas for assisting microneurosurgery. OBJECTIVE: The present study investigated the usefulness of the FUEISA system for direct clipping surgery of cerebral aneurysms...
December 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28776553/application-of-keyhole-microneurosurgery-in-china
#12
Li-Gang Chen, Shu-Da Chen, Guang-Fu Huang, Ying Huang, De-Zhi Kang, Qing Lan, Gang Li, Xin-Gang Li, Zhi-Xiong Liu, Song-Tao Qi, Xin-Hua Tian, Guo-Liang Wang, Shuo Wang, Xiang-Yu Wang, Yong-Fei Wang, Yun-Jie Wang, Chao You, Yan-Bing Yu, Shu-Yuan Yue, Dong Zhang, Jian-Min Zhang, Jian-Ning Zhang, Jun-Ting Zhang, Shi-Zhong Zhang, Xian Zhang, Ya-Zhuo Zhang, Ji-Zong Zhao, Wei-Guo Zhao, Yuan-Li Zhao, Ding-Biao Zhou, Liang-Fu Zhou
No abstract text is available yet for this article.
August 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28733225/microneurosurgical-clip-ligation-of-acutely-ruptured-cerebral-aneurysm-immediately-preceded-by-intentional-subtotal-endovascular-coil-embolization-under-a-single-anesthesia-observations-using-a-deliberate-combined-sequential-treatment-strategy-in-13-cases
#13
Jeffrey E Thomas, Jack C Rose
BACKGROUND: Endovascular coil embolization and craniotomy with clip ligation are the 2 most commonly used treatments for ruptured cerebral aneurysm. Although coiling maintains the advantages of brevity and complete avoidance of brain retraction and manipulation, clipping offers the benefits of decompression of the injured brain and lower rates of aneurysm recurrence. A combined, immediately sequential treatment strategy for acutely ruptured cerebral aneurysm that simultaneously maximizes the advantages of both techniques, while minimizing their respective disadvantages, may be a useful paradigm...
October 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28434443/aneurysmal-subarachnoid-hemorrhage
#14
Athanasios K Petridis, Marcel A Kamp, Jan F Cornelius, Thomas Beez, Kerim Beseoglu, Bernd Turowski, Hans-Jakob Steiger
BACKGROUND: Aneurysmal subarachnoid hemorrhage (SAH) is associated with a mortality of more than 30%. Only about 30% of patients with SAB recover sufficiently to return to independent living. METHODS: This article is based on a selective review of pertinent literature retrieved by a PubMed search. RESULTS: Acute, severe headache, typically described as the worst headache of the patient's life, and meningismus are the characteristic manifestations of SAH...
March 31, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28338438/learning-brain-aneurysm-microsurgical-skills-in-a-human-placenta-model-predictive-validity
#15
Marcelo Magaldi Ribeiro de Oliveira, Carlos Eduardo Ferrarez, Taise Mosso Ramos, Jose Augusto Malheiros, Arthur Nicolato, Carla Jorge Machado, Mauro Tostes Ferreira, Fellype Borges de Oliveira, Cecília Félix Penido Mendes de Sousa, Pollyana Helena Vieira Costa, Sebastiao Gusmao, Giuseppe Lanzino, Rolando Del Maestro
OBJECTIVE Surgery for brain aneurysms is technically demanding. In recent years, the process to learn the technical skills necessary for these challenging procedures has been affected by a decrease in the number of surgical cases available and progressive restrictions on resident training hours. To overcome these limitations, surgical simulators such as cadaver heads and human placenta models have been developed. However, the effectiveness of these models in improving technical skills is unknown. This study assessed concurrent and predictive validity of brain aneurysm surgery simulation in a human placenta model compared with a "live" human brain cadaveric model...
March 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28314403/management-of-cavernous-sinus-involvement-in-sinonasal-and-ventral-skull-base-malignancies
#16
REVIEW
Amol Raheja, William T Couldwell
Cavernous sinus (CS) involvement by sinonasal and ventral skull base malignancies is infrequently encountered in neurosurgical practice. Despite advancements in skull base microneurosurgery and endoscopic techniques, detailed knowledge and experience of the surgical management of these lesions are limited. This article elaborates on surgical strategies and approaches for CS involvement of malignant ventral skull base tumors. The article discusses the indications, techniques, nuances, advantages, limitations, and complications of minimally invasive CS biopsy, transcranial microscopic, and transfacial endoscopic approaches to the CS using illustrative diagrams and operative videos...
April 2017: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/28297825/-the-clinical-application-of-retractorless-surgery-in-patients-with-hypertensive-basal-ganglia-hemorrhage
#17
Z H Zhao, X M Zhong, Y Q Wang, J G Yang, Y Cai, Z H Fei, L Zhang
Objective: To discuss the clinical feasibility and practical application of retractorless surgical for patients with hypertensive basal ganglia hemorrhage. Methods: A total of 84 patients underwentretractorless surgery in The First People's Hospital of Huzhou from Jun 2014 to Jun 2016 were retrospectively reviewed.There were 53 male and 31 female of the 84 patients. Their mean age were 58.7 years with range: 29-74 years.Glasgow coma scale score(GCS) at admissionwereas follow: GCS 4-5 points 10 cases(including 3 cases companied dilated pupils), GCS 6-8 points 25 cases, GCS 9-12 points 32 cases, and GCS 13-14 points 17 cases...
March 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28247122/two-surgeons-four-hand-microneurosurgery-with-universal-holder-system-technical-note
#18
Ali Zomorodi, Takanori Fukushima
A new technique for collaborative performance of complex skull base and cerebrovascular procedures is described. The benefits of this approach for patient safety and surgical education are discussed.
July 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28098060/gripping-forceps-double-action-for-micro-neurosurgery
#19
V Wierzbicki, A Pesce, R Caruso
Gripping forceps "double action" for microneurosurgery.
September 2017: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/28005775/fully-endoscope-controlled-clipping-bilateral-middle-cerebral-artery-aneurysm-via-unilateral-supraorbital-keyhole-approach
#20
Jian-Peng Wang, Ze-Yu Wu, Jian Xu, Yi-He Dou
Clipping bilateral middle cerebral artery (bMCA) aneurysms via unilateral approach in a single-stage operation is considered as a challenge procedure. To our knowledge, there is no study in surgical management of patients with bMCA aneurysms by fully endoscope-controlled techniques. The author reported a patient with bMCA aneurysms who underwent aneurysms clipping via a unilateral supraorbital keyhole approach by endoscope-controlled microneurosurgery, and the patient had an uneventful postoperative course without neurologic impairment and complication...
November 2016: Journal of Craniofacial Surgery
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