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https://www.readbyqxmd.com/read/28108856/diagnosis-and-management-for-trigeminal-neuralgia-caused-solely-by-venous-compression
#1
Takuro Inoue, Hisao Hirai, Ayako Shima, Fumio Suzuki, Takanori Fukushima, Masayuki Matsuda
BACKGROUND: Trigeminal neuralgia (TN) caused solely by venous compression is uncommon. An appropriate vein management protocol for microvascular decompression (MVD) has not been established. We evaluated the management of veins for TN solely due to venous involvement. METHOD: We analyzed 31 patients with TN in whom only veins were manipulated during MVD. The culprit veins smaller in diameter than the vein of the cerebellopontine fissure (VCPF) were coagulated and divided in 20 patients (divided group), while transposition was performed for larger veins in the remaining 11 patients (non-divided group)...
January 20, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28108618/timing-of-decompressive-hemicraniectomy-for-stroke-a-nationwide-inpatient-sample-analysis
#2
Hormuzdiyar H Dasenbrock, Faith C Robertson, Henrikas Vaitkevicius, M Ali Aziz-Sultan, Donovan Guttieres, Ian F Dunn, Rose Du, William B Gormley
BACKGROUND AND PURPOSE: Previous clinical trials were not designed to discern the optimal timing of decompressive craniectomy for stroke, and the ideal surgical timing in patients with space-occupying infarction who do not exhibit deterioration within 48 hours is debated. METHODS: Patients undergoing decompressive craniectomy for stroke were extracted from the Nationwide Inpatient Sample (2002-2011). Multivariable logistic regression evaluated the association of surgical timing with mortality, discharge to institutional care, and poor outcome (a composite end point including death, tracheostomy and gastrostomy, or discharge to institutional care)...
January 20, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28108516/fibrinolytic-enzyme-co-therapy-improves-tumor-perfusion-and-therapeutic-efficacy-of-anticancer-nanomedicine
#3
Ameya R Kirtane, Tanmoy Sadhukha, Hyunjoon Kim, Vidhi Khanna, Brenda Koniar, Jayanth Panyam
Elevated interstitial fluid pressure and solid stress within tumors contribute to poor intratumoral distribution of nanomedicine. In this study, we hypothesized that the presence of fibrin in tumor extracellular matrix contributes to hindered intratumoral distribution of nanocarriers and that this can be overcome through the use of a fibrinolytic enzyme such as tissue plasminogen activator (tPA). Analysis of fibrin expression in human tumor biopsies showed significant fibrin staining in nearly all tumor types evaluated...
January 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28108405/defects-of-the-vertebral-endplate-implications-for-disc-degeneration-depend-on-size
#4
Uruj Zehra, Luke Flower, Katharine Robson-Brown, Michael A Adams, Patricia Dolan
BACKGROUND CONTEXT: Bony vertebral endplates must be porous to allow metabolite transport into the disc, and yet strong to resist high intradiscal pressure. Endplate defects may therefore have nutritional and mechanical consequences for the disc, depending on their size and type. We hypothesise that broad, diffuse defects are more closely associated with disc decompression and degeneration than are focal Schmorl's node-type defects. PURPOSE: To determine how the size and type of endplate defects are related to decompression and degeneration in the adjacent intervertebral disc...
January 17, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28107245/innovative-technique-for-the-placement-of-the-drainage-tube-for-microendoscopic-spinal-decompression
#5
Kentaro Mizuno, Yasuo Mikami, Hitoshi Hase, Takumi Ikeda, Masateru Nagae, Hitoshi Tonomura, Toshiharu Shirai, Hiroyoshi Fujiwara, Toshikazu Kubo
STUDY DESIGN: A technical note and retrospective study. OBJECTIVES: The objectives were to describe a new method of drainage tube placement during microendoscopic spinal decompression, and compare the positioning and fluid discharge obtained with this method and the conventional method. SUMMARY OF BACKGROUND DATA: To prevent postoperative epidural hematoma after microendoscopic decompression, a drainage tube must be placed in a suitable location...
February 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28107237/evaluating-a-posterior-approach-for-surgical-treatment-of-thoracolumbar-pseudarthrosis-in-ankylosing-spondylitis
#6
Ting Wang, Dechun Wang, Yanan Cong, Chuqiang Yin, Shuzhong Li, Xiaoliang Chen
STUDY DESIGN: Retrospective study of a posterior approach for surgical treatment of thoracolumbar pseudarthrosis in ankylosing spondylitis (AS). OBJECTIVE: The aim of the current study was to report the surgical results of symptomatic thoracolumbar pseudarthrosis in AS through a posterior approach. SUMMARY OF BACKGROUND DATA: Spinal pseudarthrosis is a well-known complication in AS. The condition may complicate with mechanical back pain, spinal deformity, and sometimes neurological deficits...
February 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28107236/surgical-technique-for-decompression-of-severe-thoracic-myelopathy-due-to-tuberous-ossification-of-ligamentum-flavum
#7
Ting Wang, Chuqiang Yin, Dechun Wang, Shuzhong Li, Xiaoliang Chen
STUDY DESIGN: Retrospective review. OBJECTIVE: To describe a safe surgical procedure, en bloc resection of the posterior wall of the thoracic canal, for the decompression of severe thoracic myelopathy caused by tuberous ossification of the ligamentum flavum (OLF). SUMMARY OF BACKGROUND DATA: OLF has been widely recognized as a cause of thoracic myelopathy in East Asia. Surgical decompression of thoracic myelopathy caused by OLF is technically demanding...
February 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28107235/an-experimental-biomechanical-study-on-artificial-atlantoodontoid-joint-replacement-in-dogs
#8
Quanjin Zang, Yanming Liu, Dengfeng Wang, Haopeng Li, Pinglin Yang, Dong Wang, Xijing He
STUDY DESIGN: This study tested the biomechanics of artificial atlantoodontoid joint replacement (AAOJR) in a dog model. Dogs were divided into the artificial AAOJR group (n=10), the decompression group (n=10), and the healthy control group (n=10) using a random number table. OBJECTIVE: To evaluate whether the use of AAOJR for repair of atlantoaxial instability retains rotation and restores stability. SUMMARY OF BACKGROUND DATA: Atlantoaxial instability is characterized by excessive movement or laxity at the junction between the atlas (C1) and axis (C2)...
February 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28106523/influence-of-postoperative-sagittal-balance-and-spinopelvic-parameters-on-the-outcome-of-patients-surgically-treated-for-degenerative-lumbar-spondylolisthesis
#9
Ingrid Radovanovic, Jennifer C Urquhart, Venkat Ganapathy, Fawaz Siddiqi, Kevin R Gurr, Stewart I Bailey, Christopher S Bailey
OBJECTIVE The object of this study was to determine the association between postoperative sagittal spinopelvic alignment and patient-rated outcome measures following decompression and fusion for lumbar degenerative spondylolisthesis. METHODS The authors identified a consecutive series of patients who had undergone surgery for lumbar degenerative spondylolisthesis between 2008 and 2012, with an average follow-up of 3 years (range 1-6 years). Surgery was performed to address the clinical symptoms of spinal stenosis, not global sagittal alignment...
January 20, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28104526/total-navigation-in-spine-surgery-a-concise-guide-to-eliminate-fluoroscopy-using-a-portable-intraoperative-ct-3d-navigation-system
#10
Rodrigo Navarro-Ramirez, Gernot Lang, Xiaofeng Lian, Connor Berlin, Insa Janssen, Ajit Jada, Marjan Alimi, Roger Härtl
BACKGROUND: Portable intraoperative computed tomography (iCT) with integrated 3D navigation offers new opportunities for more precise navigation in spinal surgery, eliminates radiation exposure for the surgical team and accelerates surgical workflows. We present the concept of "total navigation" using iCT NAV in spinal surgery. Therefore, we propose a step-by-step guideline demonstrating how total navigation can eliminate fluoroscopy with time efficient workflows integrating iCT NAV into daily practice...
January 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28104281/-results-to-4-year-follow-up-of-the-treatment-of-the-cervical-stenosis-by-corpectomy-titanium-mesh-cage-and-anterior-plate-fixation
#11
Alejandro Antonio Reyes Sánchez, Luis Alberto Gameros Castañeda, Claudia Obil Chavarría, Armando Alpizar Aguirre, Barón Zárate Kalfópulos, Luis Miguel Rosales-Olivares
BACKGROUND: Cervical spondylotic myelopathy is caused by cervical stenosis. Several techniques have been described for the treatment of multilevel disease, such as the anterior corpectomy with titanium mesh cage and anterior cervical plate placement, which has the advantage of performing a wider decompression and using the same bone as graft. However, it has caused controversy since the collapse of the mesh cage continues being a major limitation of this procedure. MATERIAL AND METHOD: A prospective 4-year follow-up study was conducted in 7 patients diagnosed with cervical stenosis, who were treated surgically by one level corpectomy with titanium mesh cage and anterior cervical plate placement, evaluating them by radiographs and clinical scales...
January 16, 2017: Cirugia y Cirujanos
https://www.readbyqxmd.com/read/28104259/utility-of-extension-views-in-spondylotic-myelopathy-mimicking-transverse-myelitis
#12
Brittani L Conway, Michelle J Clarke, Timothy J Kaufmann, Eoin P Flanagan
Cervical spondylotic myelopathy is a common cause of myelopathy and may mimic transverse myelitis. We report a 55 year-old lady with subacute myelopathy initially treated with glatiramer acetate for suspected clinically isolated syndrome. MRI head and spine revealed a single short cervical cord T2-hyperintense lesion with enhancement just below a region of moderate stenosis. Cerebrospinal fluid revealed elevated oligoclonal bands. Repeat MRI 7 months later showed persistent enhancement. Dynamic MRI revealed cord compression during extension...
January 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28103899/intraoperative-evaluation-using-mobile-computed-tomography-in-anterior-cervical-decompression-with-floating-method-for-massive-ossification-of-the-posterior-longitudinal-ligament
#13
Toshitaka Yoshii, Takashi Hirai, Tsuyoshi Yamada, Hiroyuki Inose, Tsuyoshi Kato, Kenichiro Sakai, Mitsuhiro Enomoto, Shigenori Kawabata, Yoshiyasu Arai, Atsushi Okawa
BACKGROUND: An anterior decompression and fusion (ADF) with the floating method is an effective procedure for treating ossification of the posterior longitudinal ligament (OPLL), allowing a direct decompressive effect on the spinal cord. However, the procedure is skill-intensive, particularly in cases of OPLL with a high canal-occupying ratio. In such cases, there are potential risks for insufficient decompression due to the incomplete floating of the OPLL. Here, we introduce an anterior decompression procedure for massive OPLL, using an intraoperative computed tomography (CT) with a mobile scanner gantry for the intraoperative evaluation of the decompression...
January 19, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28103732/evaluation-of-antivenom-therapy-for-vipera-palaestinae-bites-in-children-experience-of-two-large-tertiary-care-pediatric-hospitals
#14
Dikla Pivko-Levy, Itamar Munchnak, Ayelet Rimon, Uri Balla, Dennis Scolnik, Christopher Hoyte, Yair Voliovitch, Miguel Glatstein
BACKGROUND: Antivenom has been successfully used to treat systemic and progressive, local manifestations of envenomation inflicted by Vipera (V.) palaestinae, the most common venomous snake in Israel. The objective of this study was to evaluate the fixed dose V. palaestinae monovalent (equine) immunoglobulin G antivenom used in two pediatric emergency departments. In particular, we wanted to assess the need for repeated antivenom administration and the rate of adverse antivenom effects in children...
January 20, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28103418/three-hundred-and-sixty-eight-consecutive-pancreaticoduodenetomies-with-zero-mortality
#15
Seiji Oguro, Jiro Yoshimoto, Hiroshi Imamura, Yoichi Ishizaki, Seiji Kawasaki
BACKGROUND/PURPOSE: Only a limited number of reports have documented zero mortality in consecutive pancreaticoduodenetomy series. The aim of this study is to review and verify our management aiming to eliminate mortality after pancreaticoduodenetomy. METHODS: Three hundred sixty-eight consecutive patients undergoing pancreaticoduodenetomy between 2002 and 2015 were retrospectively reviewed. During this period, in order to enhance the safety of pancreaticoduodenetomy, we have employed a consistent strategy consisting of early ligation of the inferior pancreatoduodenal artery, mucosal sutureless pancreaticojejunostomy combined with external pancreatic duct stenting, conditional two-stage pancreaticojejunostomy, jejunal decompression using tube jejunostomy, application of an omental flap to cover the stump of the gastroduodenal artery, and careful postoperative drain management...
January 19, 2017: Journal of Hepato-biliary-pancreatic Sciences
https://www.readbyqxmd.com/read/28102451/cauda-equina-syndrome-presentation-outcome-and-predictors-with-focus-on-micturition-defecation-and-sexual-dysfunction
#16
N S Korse, J A Pijpers, E van Zwet, H W Elzevier, C L A Vleggeert-Lankamp
BACKGROUND: Even though micturition, defecation, and sexual function are substantially affected in cauda equina syndrome (CES), data on outcome are scarce. METHODS: Medical files of patients operated on lumbar herniated disc were screened for CES and retrospectively analyzed for baseline characteristics, outcome of micturition, defecation, and sexual function and possible predictors. RESULTS: Seventy-five CES patients (52% men) were included with a mean age of 44 years...
January 19, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28100862/-bone-flap-resorption-after-cranioplasty-in-pediatric-patients-report-of-2-cases
#17
Rintaro Yokoyama, Takeshi Mikami, Shouhei Noshiro, Kei Miyata, Kentaro Toyama, Katsuya Komatsu, Noriaki Kikuchi, Tadashi Hasegawa, Nobuhiro Mikuni
Aseptic bone flap resorption, a rare complication after cranioplasty following decompressive craniectomy, is more likely to develop in children. We experienced two cases of aseptic bone flap resorption and identified potential pathophysiological mechanisms through histological findings. In the first case, an 11-year-old girl underwent decompressive craniectomy due to brain swelling with contusion. An autologous bone flap was cryopreserved for four months. Twenty-five months after cranioplasty with autologous bone flap, aseptic bone flap resorption was observed, and cranioplasty was performed with ceramic bone...
January 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28099187/a-comparative-study-of-anterior-decompression-with-fusion-and-posterior-decompression-with-laminoplasty-for-the-treatment-of-cervical-spondylotic-myelopathy-patients-with-large-anterior-compression-of-the-spinal-cord
#18
Takashi Hirai, Toshitaka Yoshii, Yoshiyasu Arai, Kenichiro Sakai, Ichiro Torigoe, Hidetsugu Maehara, Masaki Tomori, Takashi Taniyama, Hirokazu Sato, Atsushi Okawa
STUDY DESIGN: This is a retrospective observational single-center study. OBJECTIVES: To compare anterior decompression and fusion (ADF) and laminoplasty (LAMP) for the treatment of cervical spondylotic myelopathy (CSM) patients with large anterior compression in terms of clinical and radiologic outcomes. SUMMARY OF BACKGROUND DATA: We have reported that insufficient posterior decompression could be often seen after laminoplasty for CSM patients with preoperative anterior clearance of the spinal cord, defined as an interval <4 mm between the preoperative the modified K-line and anterior structure of the spinal canal at most compressive segment on sagittal T1-weighted magnetic resonance imaging...
January 17, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28097889/titanium-cages-versus-autogenous-iliac-crest-bone-grafts-in-anterior-cervical-discectomy-and-fusion-treatment-of-patients-with-cervical-degenerative-diseases-a-systematic-review-and-meta-analysis
#19
Ming-Hao Shao, Fan Zhang, Jun Yin, Hao-Cheng Xu, Fei-Zhou Lyu
OBJECTIVE: A systematic review and partial meta-analysis is conducted to compare the efficacy and safety of anterior cervical decompression and fusion procedures employing either rectangular titanium cages or iliac crest autografts in patients suffering from cervical degenerative disc diseases. METHODS: Medline, PubMed, CENTRAL, and Google Scholar databases were searched until June 2015, using keywords cervical discectomy; bone transplantation; titanium cages; iliac crest autografts...
January 18, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28097855/-prolapsed-ureterocele-a-diagnosis-to-be-considered-for-a-vulvar-mass-in-an-infant-case-report
#20
Marita Lardón Fernández, José Uberos Fernández, Francisco Moreno Madrid
Ureterocele is a relatively common malformation of the urinary system in children; however, the ureterocele prolapse through the urethra is an extremely rare presentation. Urological nuclear magnetic resonance is the test of choice for definitive diagnosis. Initial treatment of a prolapsed ureterocele involves decompression of the mass. We report the case of a 7-month-old infant with duplication of the collecting system and right ectopic ureterocele appearing as a vulvar mass.
1, 2017: Archivos Argentinos de Pediatría
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