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Vertebral artery surgery

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https://www.readbyqxmd.com/read/29664878/c2-translaminar-screw-fixation-in-children
#1
Brian W Yang, Michael P Glotzbecker, Michael Troy, Mark R Proctor, Michael T Hresko, Daniel J Hedequist
BACKGROUND: Axis (C2) screw fixation has been shown to be effective in treating disorders that necessitate cervical stabilization. Although translaminar C2 screws have demonstrated clinical efficacy in adults, this technique has not yet been thoroughly investigated in children. This study describes the indications, technique, and results of translaminar C2 screw fixation in a case series of pediatric cervical spine disorders. METHODS: We searched the orthopaedic database at our institution for patients who had undergone a cervical spinal fusion that encompassed C2 between 2007 and 2017...
April 16, 2018: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29617905/microvascular-decompression-of-facial-nerve-and-pexy-of-the-left-vertebral-artery-for-left-hemifacial-spasm-3-dimensional-operative-video
#2
Chun-Yu Cheng, Rakshith Shetty, Vicente Martinez, Laligam N Sekhar
A 73-yr-old man presented with intractable left hemifacial spasm of 4 yr duration. Brain magnetic resonance imaging showed significant compression of left facial nerve by the left vertebral artery (VA) and anterior inferior cerebellar artery (AICA).The patient underwent a left retrosigmoid craniotomy and a microvascular decompression of the cranial nerve (CN) VII. Intraoperatively, we found that the distal AICA had a protracted subarcuate extradural course.1 This was relieved by intra/extradural dissection...
March 29, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29617854/microsurgical-treatment-of-bowhunter-s-syndrome-3-dimensional-operative-video
#3
Vijay Agarwal, Daniel L Barrow
We present the case of a 56-yr-old previously healthy male who presented with an approximately 1-yr history of intermittent dizziness, near syncope, and holocephalic headaches when turning his head to the left side for a prolonged period of time. He had a distant history of a previous anterior cervical discectomy and fusion at the C6-7 level. He was neurologically intact. Static, dynamic, and vascular imaging confirmed hypoplasia of the right vertebral artery and dominance of the left vertebral artery that completely filled the posterior circulation...
March 29, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29616518/coronary-artery-bypass-surgery-in-patients-with-chronic-brain-hypoperfusion
#4
Hajime Imura, Yuji Maruyama, Kenichiro Takahashi, Dai Nishina, Takashi Nitta
BACKGROUND: Cerebrovascular disease (CVD) is a risk factor of stroke and cerebral hypoperfusion is one of the underlying mechanisms. We hypothesized that coronary artery bypass grafting (CABG) can be performed at an acceptable risk for such patients without concomitant surgery for CVD. METHODS: Carotid echo was carried out for 538 consecutive patients undergoing isolated CABG between 2005 and 2016. Magnetic resonance image/angiography (MRI/A) for neck and brain was performed for 288 patients (stenosis≥50% in echo were basically included)...
April 3, 2018: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/29580568/giant-intradural-cervical-spine-arteriovenous-malformations-a-case-and-review-of-literature
#5
Seidu A Richard, Lu Ma, Hao Li, Jin Li, Chao You
INTRODUCTION: Spinal arteriovenous malformations (SAVMs) are very rare and can be very challenging to treat since none of the therapeutic options does provide a definitive cure to these lesions. We believe that incorporation of intraoperative angiography during surgery in a hybrid theatre can help achieve a better cure. CASE PRESENTATION: We present a 45 years old woman with three (3) years history of weakness and ten (10) days' history of acute pain in right upper extremity...
March 9, 2018: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/29572170/favorable-long-term-outcomes-for-positional-vertebral-artery-occlusion-with-treatment-strategy-prioritizing-spinal-fusion-surgery
#6
Yasuhiro Takeshima, Fumihiko Nishimura, Ichiro Nakagawa, Yasushi Motoyama, Young-Su Park, Hiroyuki Nakase
OBJECT: Positional vertebral artery occlusion (PVAO) has a fundamental problem in the definition. We analyzed the long-term outcomes with a re-definition of the rare clinical entities as PVAO for a broader conceptualization, and discuss the efficacy of fusion surgery as a treatment option. METHODS: We analyzed the clinical and radiological characteristics and outcomes in 8 patients with PVAO who experienced cerebral ischemia during a 10-year period at our institution...
March 20, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29564611/a-review-of-lumbosacral-transitional-vertebrae-and-associated-vertebral-numeration
#7
REVIEW
Jayson Lian, Nicole Levine, Woojin Cho
PURPOSE: To review the current literature on methods of accurate numeration of vertebral segments in patients with Lumbosacral transitional vertebrae (LSTVs). LSTVs are a common congenital anomaly of the L5-S1 junction. While their clinical significance has been debated, unquestionable is the need for their identification prior to spinal surgery. We hypothesize that there are no reliable landmarks by which we can accurately number transitional vertebrae, and thus a full spinal radiograph is required...
March 21, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29560277/awareness-of-traumatic-occult-lateral-mass-fracture-of-the-cervical-spine-triggered-by-the-presence-of-unilateral-vertebral-artery-occlusion-a-case-report
#8
Tsunehiko Konomi, Kota Suda, Satoko Matsumoto, Miki Komatsu, Masahiko Takahata, Norimasa Iwasaki, Akio Minami
Introduction: We present an unusual case of traumatic occult lateral mass fracture of the cervical spine with unilateral occlusion of the vertebral artery (VA), that was missed by plain X-ray and magnetic resonance imaging (MRI), but identified by computed tomography (CT) after suspecting high-energy trauma as the underlying cause. Case presentation: A 67-year-old male was injured in a car accident and came to our institute on foot 4 days after injury with complaints of neck pain and numbness in the right hand...
2018: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/29541696/robotic-assisted-left-renal-vein-transposition-as-a-novel-surgical-technique-for-the-treatment-of-renal-nutcracker-syndrome
#9
Anthony H Chau, Haidar Abdul-Muhsin, Xin Peng, Victor J Davila, Erik P Castle, Samuel R Money
Renal nutcracker syndrome is an anatomic anomaly characterized by the compression of the left renal vein between the superior mesenteric artery and the aorta or between the aorta and the vertebral body. Diagnosis is often challenging. Common presenting symptoms include hematuria, abdominal pain, and pelvic congestion. Several open and endovascular techniques have been described to treat this syndrome. We report a novel surgical technique with robotic-assisted left renal vein transposition to treat a 19-year-old woman with renal nutcracker syndrome...
March 2018: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29538687/spinal-cord-infarction-in-the-region-of-the-posterior-spinal-artery-after-embolization-for-vertebral-artery-dissection
#10
Wataro Tsuruta, Tetsuya Yamamoto, Go Ikeda, Masayuki Sato, Yoshiro Ito, Tomoji Takigawa, Aiki Marushima, Yasunobu Nakai, Yuji Matsumaru, Akira Matsumura
BACKGROUND: Endovascular surgery for vertebral artery dissections (VADs) carries the risk of spinal cord infarction (SCI). Although SCI in the region of the anterior spinal artery (ASA) has been reported, SCI in the region of the posterior spinal artery (PSA) is rare. OBJECTIVE: To investigate PSA infarction after endovascular surgery for VAD. METHODS: Infarction in the region of the PSA after endovascular surgery for VADs carried out in consecutive 21 cases was investigated...
March 9, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29534984/fibromuscular-dysplasia-contemporary-concepts-and-future-directions
#11
REVIEW
Nupoor Narula, Daniella Kadian-Dodov, Jeffrey W Olin
Fibromuscular dyplasia (FMD) is an under-recognized non-atherosclerotic, non-inflammatory arteriopathy that occurs most commonly in middle-aged women, but may affect individuals of all age groups. FMD may result in stenosis, aneurysm, dissection, occlusion, or arterial tortuosity. Recently published data demonstrated a genetic association of FMD with a variant in the phosphatase and actin regulator 1 gene (PHACTR1), substantiating that the pathogenesis of this condition has genetic contribution. The renal and extracranial carotid and vertebral arteries are most often involved, although any arterial bed may be affected...
March 10, 2018: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/29531796/two-stage-corrective-surgery-for-severe-rigid-cervical-kyphotic-deformity-with-unilateral-vertebral-artery-occlusion-after-old-blunt-trauma-a-case-report
#12
Tsunehiko Konomi, Kota Suda, Satoko Matsumoto, Miki Komatsu, Masahiko Takahata, Norimasa Iwasaki, Akio Minami
Introduction: There are considerable risks for vertebral artery (VA) injury in case of corrective surgery for a severe and rigid cervical kyphotic deformity. This case report describes a rare case of surgical management for pre-existing traumatic rigid cervical kyphosis associated with unilateral VA occlusion. Case presentation: A 73-year-old male fell down and injured his neck. He was referred to our hospital 10 months after injury because his degree of head drop progressed gradually to a chin-on-chest position such that he could not look straight forward...
2018: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/29511421/the-celiac-trunk-and-its-anatomical-variations-a-cadaveric-study
#13
David F Pinal-Garcia, Carlos M Nuno-Guzman, Maria E Gonzalez-Gonzalez, Tomas R Ibarra-Hurtado
Background: The celiac artery, celiac axis or celiac trunk is the first major abdominal branch of the aorta. Anatomic variations and accessory vessels have been reported with variable percentages. The purpose of this study was to report the pattern of the celiac trunk and its anatomic variations in a sample of Mexican population. Methods: Celiac trunk dissection was performed in 140 fresh cadavers. Cadavers of Mexican subjects aged 18 years and older were included...
April 2018: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/29496626/a-novel-anterior-decompression-technique-vertebral-body-sliding-osteotomy-for-ossification-of-posterior-longitudinal-ligament-of-the-cervical-spine
#14
Dong-Ho Lee, Jae Hwan Cho, Choon Sung Lee, Chang Ju Hwang, Sung Hoon Choi, Chul Gie Hong
BACKGROUND CONTEXT: Conventional anterior decompression surgery for cervical myelopathy, including anterior corpectomy and fusion, is technically demanding and known to be associated with a higher incidence of surgery-related complications, including cerebrospinal fluid (CSF) leakage, neurologic deterioration, and graft failure compared with posterior surgery. PURPOSE: We introduce a novel anterior decompression technique (vertebral body sliding osteotomy; VBSO) for cervical myelopathy caused by ossification of posterior longitudinal ligament (OPLL) and evaluate the efficacy and safety of this procedure...
February 26, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29492719/cervical-hemivertebra-resection-and-torticollis-correction-report-on-two-cases-and-literature-review
#15
REVIEW
Shaofu Wang, Jing Li, Guohua Lü, Bing Wang, Xiaobin Wang
PURPOSE: Hemivertebra of the cervical spine is a rare but complex spinal malformation. To our knowledge, only one publication describes excision of an upper-middle cervical (between C2 and C4) hemivertebra. We present our experience with two cases of C3 hemivertebra resection and torticollis correction via a combined anterior-posterior-anterior surgical approach and short segment fixation. METHODS: Two 12-year-old patients with torticollis due to congenital C3 hemivertebra underwent surgery consisting of combined anterior vertebral body osteotomy, posterior element resection with segment instrumentation and deformity correction, and iliac bone graft reconstruction and fixation via an anterior approach...
February 28, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29471160/persistent-first-intersegmental-artery-pfia-visualized-by-three-dimensional-computed-tomography-angiography-in-chinese-population
#16
Haocong Zhang, Wei Chai, Shuang Wang, Yan Wang, Hongwei Li
BACKGROUND: Persistent first intersegmental artery (PFIA) is one of the most frequently vertebral artery (VA) variations. The presence of PFIA obviously increases the complexity and difficulty of vertebral lesion treatment. Thus, preoperative detection of PFIA is necessary to increase the successful rate of surgeries. We attempted to evaluate the utility value of three-dimension (3D) computed tomography angiography (CTA) for detecting PFIA in the north Chinese population. MATERIALS AND METHODS: Consecutive patients subjected to CTA between June 2012 and March 2014 were recruited from 5 clinical centers in the north of China...
February 19, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29465576/delayed-epidural-pseudoaneurysm-following-cervical-laminectomy-and-instrumentation-in-a-patient-with-canal-stenosis-secondary-to-skeletal-fluorosis-a-case-report
#17
Yinze Diao, Yu Sun, Shaobo Wang, Fengshan Zhang, Shengfa Pan, Zhongjun Liu
RATIONALE: The typical intraoperative presentation of vertebral artery injury (VAI) usually involves profuse bleeding and requires immediate treatment. However, an occult VAI may occur intraoperatively and result in delayed life-threatening epidural pseudoaneurysm several days postoperatively. PATIENT CONCERNS: A 21-year-old man with compressive cervical myelopathy resulting from canal stenosis of skeletal fluorosis underwent decompression of C1 to C7 and instrumentation from C2 to C7...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29455293/variations-of-transverse-foramina-in-cervical-vertebrae-what-happens-to-the-vertebral-artery
#18
Aristeidis Zibis, Vasileios Mitrousias, Nikolaos Galanakis, Nikoletta Chalampalaki, Dimitrios Arvanitis, Apostolos Karantanas
PURPOSE: The purpose of this study is to examine variations of the foramen transversarium and the vertebral artery in computed tomography angiographies (CTa) of the cervical spine, investigate their coexistence, and present possible considerations regarding such variations in spine surgical procedures. METHODS: Fifty CTa of the neck were retrospectively reviewed. Transverse and anteroposterior diameter of the foramen and diameter of the vertebral artery were measured...
February 17, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29443779/cerebral-infarction-due-to-malposition-of-cervical-pedicle-screw-a-case-report
#19
Jun Zhang, Rongming Xu, Zheng Li, Weibin Zha
RATIONALE: Malposition of cervical pedicle screw (CPS) has a risk of vertebral artery (VA) injury which sometimes may cause unexpected and catastrophic outcome. A rare case of delayed onset of cerebral infarction caused by malposition of CPS was reported. PATIENT CONCERNS: A 23-year-old man who underwent a posterior cervical reduction and fusion of C4-5 using CPS fixation and allograft for cervical spine injury is presented. The patient suffered progressively weakness and numbness for both of upper and lower extremities 1 day after the operation...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29435652/feasibility-and-outcome-of-stand-alone-trans-articular-screw-fixation-in-atlantoaxial-instability-in-children-less-than-8-years-of-age
#20
Shumayou Dutta, Vishal Kundnani, Tarun Dusad, Ankit Patel
PURPOSE: To study the feasibility and outcome of stand-alone trans-articular screw (TAS) fixation for atlantoaxial instability (AAI) in children less than 8 years of age. METHODS: This prospective study was conducted between 2009 and 2014. Thirteen children suffering from AAI were operated for a TAS fixation. Feasibility of TAS fixation was assessed on CT scan and a screw diameter was chosen based on C2 isthmus diameter. Demographic data collected included the etiology for AAI, age, and sex...
February 12, 2018: European Spine Journal
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