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Vertebral artery surgery

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https://www.readbyqxmd.com/read/29019899/effect-of-cerebral-oxygen-saturation-on-postoperative-nausea-and-vomiting-in-female-laparoscopic-surgery-patients
#1
WenJun Guo, Jie Ding, XiaoJu Jin, GaoJie Li
BACKGROUND: The purpose of this study was to investigate effect of cerebral oxygen saturation (SCTO2) on postoperative nausea and vomiting (PONV) in female patients who underwent laparoscopic surgery. METHODS: This study included 90 female patients who underwent laparoscopic surgery (60 cases of gynecological operations and 30 cases of gallbladder operations). All patients were allocated into 3 groups of 30 patients each: group A (gynecological laparoscopic surgery), group B (gynecological laparoscopic surgery with mannitol treatment) and group C (laparoscopic cholecystectomy surgery)...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29018651/a-case-of-vertebral-artery-fusiform-aneurysm-treated-by-flow-alteration-successful-prediction-of-therapeutic-effects-using-computational-fluid-dynamics
#2
Yoichi Miura, Fujimaro Ishida, Yusuke Kamei, Masanori Tsuji, Masato Shiba, Hiroshi Tanemura, Yasuyuki Umeda, Shinichi Shimosaka, Hidenori Suzuki
The treatment of intracranial complicated aneurysms remains challenging. In patients with complicated aneurysms that are neither clippable nor coilable, flow alteration treatment (FAT) with a combined procedure of proximal/distal occlusion or trapping of an aneurysm with bypass surgery has been reported. However, it is difficult to predict whatever FAT can achieve aneurysmal obliteration without ischemic complications. A 69-year-old female was incidentally diagnosed with a left vertebral artery (VA) fusiform aneurysm distal to the left posterior inferior cerebellar artery (PICA)...
October 2017: NMC Case Rep J
https://www.readbyqxmd.com/read/29017980/predisposing-factors-of-fracture-nonunion-after-posterior-c1-lateral-mass-screws-combined-with-c2-pedicle-laminar-screws-fixation-for-type-ii-odontoid-fracture
#3
Hui Wang
INTRODUCTION: The aim of this study was to explore the predisposing factors for fracture nonunion after C1 lateral screw combined with C2 pedicle/laminar screw for type II odontoid fracture, and hope to provide references in decision making and surgical planning for spinal surgeons. METHODS: This is a retrospective study. By retrieving the medical records from January 2010 to July 2015 in our hospital, 117 type II odontoid fracture patients were reviewed. According to the occurrence of fracture union at the final follow up, patients were divided into two groups: Union group and Non-union group...
October 7, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28973400/decision-making-in-surgery-for-nonsaccular-posterior-inferior-cerebellar-artery-aneurysms-with-special-reference-to-intraoperative-assessment-of-collateral-blood-flow-and-neurophysiological-function
#4
Alessandro Narducci, Ran Xu, Peter Vajkoczy
BACKGROUND: Posterior inferior cerebellar artery (PICA) aneurysms represent a challenging pathology. PICA sacrifice is often necessary, due to the high proportion of nonsaccular aneurysms that can be found in this location. Several treatments are available, but the infrequency of these aneurysms and the increasing number of endovascular techniques have limited the development of a standardized algorithm for cases in which open surgery is indicated. OBJECTIVE: We present our series of nonsaccular PICA aneurysms, in the attempt to define an algorithm for their surgical management...
June 27, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28969106/duplicated-and-hypoplastic-v4-segment-of-vertebral-artery-along-with-duplication-of-anterior-inferior-cerebellar-artery-a-case-report
#5
S S S N Rajasekhar, K Aravindhan, Dharmaraj Wamanrao Tamgire
Variations of V3 and V4 segments of Vertebral Artery (VA) are very rare. We report an extremely rare case of hypoplastic and duplicated V4 segment of right VA along with variant origin of right Anterior Inferior Cerebellar artery (AICA) from right Posterior Inferior Cerebellar artery (PICA). AICA was duplicated, with one vessel arising from PICA and another arising from distal Hypoplastic Vertebral Artery (HVA). HVA should be considered for the diagnosis of acute stroke of brainstem and cerebellum. Knowledge about VA variations is important to prevent iatrogenic injuries during surgeries involving posterior cranial fossa...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28966151/the-long-and-winding-road-thoracic-myelopathy-associated-with-occipitocervical-davf
#6
Angelique Sao-Mai Do, Joseph Kapurch, Ravi Kumar, John Port, Jeffrey W Miller, Jamie J Van Gompel
Spinal DAVFs have diverse presentations. MRIs reveal spinal cord swelling in only 45-74%. We present an unusual case of a 57 yo male with a craniocervical junction DAVFs in which the edema appeared in the thoracolumbar region skipping the cervical spinal cord. A case report and literature review from a tertiary referral center. In our patient, symptoms progressed over 3 months from low back and radicular pain to weakness, saddle anesthesia, and urinary retention. MRI showed T2 hyperintensity from T3-4 to the conus medullaris (Fig 1 a,b)...
September 28, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28963160/accuracy-of-ct-navigated-pedicle-screw-positioning-in-the-cervical-and-upper-thoracic-region-with-and-without-prior-anterior-surgery-and-ventral-plating
#7
COMPARATIVE STUDY
A Rienmüller, N Buchmann, J S Kirschke, E L Meyer, J Gempt, J Lehmberg, B Meyer, Y M Ryang
AIMS: We aimed to retrospectively assess the accuracy and safety of CT navigated pedicle screws and to compare accuracy in the cervical and thoracic spine (C2-T8) with (COMB) and without (POST) prior anterior surgery (anterior cervical discectomy or corpectomy and fusion with ventral plating: ACDF/ACCF). PATIENTS AND METHODS: A total of 592 pedicle screws, which were used in 107 consecutively operated patients (210 COMB, 382 POST), were analysed. The accuracy of positioning was determined according to the classification of Gertzbein and Robbins on post-operative CT scans...
October 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28931264/assessment-of-the-accuracy-and-errors-of-head-up-display-by-an-optical-neuronavigation-system-in-brain-tumor-surgery
#8
Kenichiro Asano, Kosuke Katayama, Kiyohide Kakuta, Kanae Oyama, Hiroki Ohkuma
BACKGROUND: A head-up display (HUD) in which navigational information is projected into the microscope view may enable surgeons to perform operations more efficiently. Projecting depictions of both tumor and important intracranial structures on the HUD may facilitate safe surgery. OBJECTIVE: To investigate accuracy and errors regarding important intracranial structures, errors due to brain shifts, and preservation rates for important intracranial structures. METHODS: A total of 184 surgeries in 172 patients were performed using this operation system...
February 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28899835/successful-treatment-by-microvascular-decompression-surgery-of-a-patient-with-hemiparesis-due-to-vertebral-artery-compression-of-the-medulla-oblongata-a-case-report-and-literature-review
#9
Jibin Ren, Hongtao Sun, Yunfeng Diao, Xuegang Niu, Hang Wang, Zhengjun Wei, Fei Yuan
Little literature is available on hemiparesis caused by vascular medullary compression, which may occur as a result of dolichoectasia of the vertebrobasilar arterial system. In this paper, we report a case of vertebral artery compression of the medulla oblongata in a 67-year old woman. The patient was hypertensive and developed hemiparesis and intermittent spasms for five years, which became worsened for one year. Cranial nerve MRI showed compression of the medulla oblongata by the left vertebral artery. Motor evoked potential (MEP) examination showed abnormal conduction of MEPs of bilateral toe abductors...
September 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28899830/simple-lateral-suboccipital-approach-and-modification-for-vertebral-artery-aneurysms-a-study-of-52-cases-over-10-years
#10
Mardjono Tjahjadi, Behnam Rezai-Jahromi, Joseph Serrone, Ville Nurminen, Joham Choque-Velasquez, Riku Kivisaari, Hanna Lehto, Mika Niemelä, Juha Hernesniemi
INTRODUCTION: Complex skull base approaches are frequently used to treat intracranial vertebral artery (VA) and proximal posterior inferior cerebellar artery (PICA) aneurysms. These complex procedures are associated with higher risk of neurovascular injury. Hence, a less invasive surgical approach is needed to improve treatment's efficacy and safety. MATERIAL AND METHODS: A retrospective analysis was conducted on clinical and radiological data from surgeries where simple lateral suboccipital and "lateral enough" approaches were used to clip VA aneurysms in the Department of Neurosurgery at Helsinki University Central Hospital from 2000 - 2009...
September 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28891898/vascular-anomalies-of-posterior-fossa-and-their-implications
#11
Rajani Singh, Raj Kumar, Arushi Kumar
Posterior fossa houses very vital and sensitive structures namely midbrain, pons, medulla, and cerebellum. These structures are irrigated by vertebral, posterior inferior cerebellar, anterior inferior cerebellar, and superior cerebellar arteries. Parts of brain located in posterior fossa control important parts of body so any variation pertaining to stenosis, atresia, hypoplasia, fenestration, agenesis, and duplication in the arteries supplying these parts alter the irrigation pattern culminating into various morbid and mortal neurologic disorders...
September 7, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28886620/2017-esc-guidelines-on-the-diagnosis-and-treatment-of-peripheral-arterial-diseases-in-collaboration-with-the-european-society-for-vascular-surgery-esvs-document-covering-atherosclerotic-disease-of-extracranial-carotid-and-vertebral-mesenteric-renal-upper-and
#12
Victor Aboyans, Jean-Baptiste Ricco, Marie-Louise E L Bartelink, Martin Björck, Marianne Brodmann, Tina Cohnert, Jean-Philippe Collet, Martin Czerny, Marco De Carlo, Sebastian Debus, Christine Espinola-Klein, Thomas Kahan, Serge Kownator, Lucia Mazzolai, A Ross Naylor, Marco Roffi, Joachim Röther, Muriel Sprynger, Michal Tendera, Gunnar Tepe, Maarit Venermo, Charalambos Vlachopoulos, Ileana Desormais
No abstract text is available yet for this article.
August 26, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28885370/usefulness-of-titanium-mesh-cage-for-posterior-c1-c2-fixation-in-patients-with-atlantoaxial-instability
#13
Hwan-Seo Yang, Ki-Wan Kim, Young-Min Oh, Jong-Pil Eun
The aim of this study was to investigate the usefulness of titanium mesh cage as an interlaminar spacer combined with nitinol shape memory loop fixation in patients with atlantoaxial instability.From April 2009 to March 2017, among the patients with atlantoaxial instability, a total of 30 patients were treated by nitinol shape memory loop fixation combined with titanium mesh cage as a spacer. We retrospectively reviewed 30 enrolled patients. Successful fusion was determined as improvement of symptoms and radiologic findings of bone fusion...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28865978/a-systematic-review-and-meta-analysis-of-variations-in-branching-patterns-of-the-adult-aortic-arch
#14
Patrick Popieluszko, Brandon Michael Henry, Beatrice Sanna, Wan Chin Hsieh, Karolina Saganiak, Przemysław A Pękala, Jerzy A Walocha, Krzysztof A Tomaszewski
OBJECTIVE: The aortic arch (AA) is the main conduit of the left side of the heart, providing a blood supply to the head, neck, and upper limbs. As it travels through the thorax, the pattern in which it gives off the branches to supply these structures can vary. Variations of these branching patterns have been studied; however, a study providing a comprehensive incidence of these variations has not yet been conducted. The objective of this study was to perform a meta-analysis of all the studies that report prevalence data on AA variants and to provide incidence data on the most common variants...
August 30, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28851595/european-society-for-vascular-surgery-guidelines-on-the-management-of-atherosclerotic-carotid-and-vertebral-artery-disease
#15
EDITORIAL
H-H Eckstein
No abstract text is available yet for this article.
August 3, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28851594/management-of-atherosclerotic-carotid-and-vertebral-artery-disease-2017-clinical-practice-guidelines-of-the-european-society-for-vascular-surgery-esvs
#16
Writing Group, A R Naylor, J-B Ricco, G J de Borst, S Debus, J de Haro, A Halliday, G Hamilton, J Kakisis, S Kakkos, S Lepidi, H S Markus, D J McCabe, J Roy, H Sillesen, J C van den Berg, F Vermassen, Esvs Guidelines Committee, P Kolh, N Chakfe, R J Hinchliffe, I Koncar, J S Lindholt, M Vega de Ceniga, F Verzini, Esvs Guideline Reviewers, J Archie, S Bellmunt, A Chaudhuri, M Koelemay, A-K Lindahl, F Padberg, M Venermo
No abstract text is available yet for this article.
August 25, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28843759/hybrid-technique-for-the-treatment-of-refractory-vertebrobasilar-insufficiencies
#17
Xia Lu, Yan Ma, Bin Yang, Peng Gao, Yabing Wang, Liqun Jiao
BACKGROUND: Tortuous or occluded vertebral arteries (VAs) can lead to the endovascular treatment of vertebrobasilar insufficiency being impractical. Bypass surgery is optional, but a craniotomy of the posterior fossa is complicated when physiological vessels must be abandoned. We report 3 cases of refractory vertebrobasilar insufficiencies with different situations of unavailable approaches. Patients were treated by different hybrid operation strategies. CASE DESCRIPTION: Case 1 was of right vertebral artery ostium (VAO) severe stenosis with right V1 segment tortuosity and was treated by right VAO transposition, during which the proximal subclavian artery (SubA) was blocked by a balloon guide catheter...
August 23, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28840087/posterior-inferior-cerebellar-artery-thrombosed-aneurysm-associated-with-persistent-primitive-hypoglossal-artery-successfully-treated-with-condylar-fossa-approach
#18
Norihiro Saito, Rokuya Tanikawa, Toshiyuki Tsuboi, Kosmo Noda, Nakao Ota, Shirou Miyata, Hidetoshi Matsukawa, Takeshi Yanagisawa, Fumihiro Sakakibara, Yu Kinoshita, Takanori Miyazaki, Hiroyasu Kamiyama, Sadahisa Tokuda
A 68-year-old woman presented with generalized seizure due to the left internal carotid artery (ICA) aneurysmal compression of the ipsilateral medial temporal lobe. Computed tomography angiography (CTA) revealed multiple aneurysms of the right persistent primitive hypoglossal artery (PPHA), the right ICA, and the right anterior cerebral artery (ACA). The right PPHA originated from the ICA at the level of the C1 and C2 vertebral bodies and passed through the hypoglossal canal (HC). The PPHA aneurysm was large and thrombosed, which was located at the bifurcation of the right PPHA and the right posterior inferior cerebellar artery (PICA), projecting medially to compress the medulla oblongata...
July 2017: NMC Case Rep J
https://www.readbyqxmd.com/read/28828558/anatomical-study-of-occipital-triangles-the-inferior-suboccipital-triangle-a-useful-vertebral-artery-landmark-for-safe-postero-lateral-skull-base-surgery
#19
Giuseppe La Rocca, Roberto Altieri, Luca Ricciardi, Alessandro Olivi, Giuseppe Maria Della Pepa
BACKGROUND: Vertebral artery (VA) identification within the suboccipital triangle is a key step in craniocervical junction surgery. Often VA exposition at this level is arduous (space-occupying lesions, previous surgery); to identify VA more proximally may prove useful in complex cases. An alternative triangle is present just below the suboccipital one, where VA can be easily controlled; we named it the inferior suboccipital triangle (IST). The aim of the study is to identify IST anatomical relations and VA space orientation and evaluate its practical utility in surgery...
August 22, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28790218/-an-extracranial-aneurysm-in-the-distal-posterior-inferior-cerebellar-artery-located-at-the-tonsillomedullary-segment-case-report-and-review-of-the-literature
#20
Nao Shimooka, Shigenori Taketsuna, Shiromaru Ishida, Kensaku Senda, Masato Kawai
We report a rare case of subarachnoid hemorrhage(SAH)due to ruptured extracranial aneurysm originating at the caudal loop of the left posterior inferior cerebellar artery(PICA). A 50-year-old woman presented with severe headache and mild consciousness disturbance. Computed tomography(CT)revealed SAH and intraventricular hemorrhage. Vertebral angiography showed an extracranial aneurysm located on the tonsillomedullary segment of the left PICA. During the surgery, no vessel branches were confirmed near the aneurysm, and the aneurysm was successfully clipped through suboccipital craniotomy with C1 laminectomy...
August 2017: No Shinkei Geka. Neurological Surgery
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