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Mri and anesthesia

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https://www.readbyqxmd.com/read/29781369/contralateral-extensive-cerebral-hemorrhagic-venous-infarction-caused-by-retrograde-venous-reflux-into-the-opposite-basal-vein-of-rosenthal-in-posttraumatic-carotid-cavernous-fistula-a-case-report-and-literature-review
#1
Prasert Iampreechakul, Adisak Tanpun, Punjama Lertbusayanukul, Somkiet Siriwimonmas
We describe a patient with traumatic carotid-cavernous fistula (CCF), subsequently developing contralateral extensive hemorrhagic venous infarction from retrograde venous reflux into the opposite basal vein of Rosenthal. A 54-year-old woman was involved in a motor vehicle accident and sustained severe traumatic brain injury. Two months later, she developed bilateral proptosis and audible bruit. Magnetic resonance imaging (MRI) and magnetic resonance angiography (MRA) of the brain demonstrated the right direct CCF...
January 1, 2018: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29772320/predictive-factors-of-silent-brain-infarcts-after-asymptomatic-carotid-endarteriectomy
#2
Rémy Pascot, Benjamin Parat, Yann Le Teurnier, Gilles Godet, Jean-Yves Gauvrit, Yann Gouëffic, Eric Steinmetz, Alain Cardon, Adrien Kaladji
BACKGROUND: The optimization of medical treatment regularly challenges the role of carotid surgery for asymptomatic patients. Current research seeks to determine which of these patients will benefit most from surgery. The goal of this study was to identify in a multi-center study, using MRI, the risk factors for postoperative silent cerebral ischemic lesions after carotid surgery for asymptomatic stenosis METHODS: The multicenter, retrospective study included patients with asymptomatic severe carotid stenosis suitable for surgical treatment and who did not have a history of cerebral ischemia...
May 14, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29771696/the-future-of-anesthesia-for-interventional-radiology
#3
Annie Amin, Jason Scott Lane
PURPOSE OF REVIEW: To review novel procedures in interventional radiology and describe anesthetic implications. RECENT FINDINGS: Noninvasive treatment options for patients who are nonsurgical candidates are on the rise. The complication rate for patients receiving anesthesia in the interventional radiology suite is higher than other nonoperating room anesthetizing locations. The investigative use of catheter-directed thrombolysis for acute submassive pulmonary embolism will likely lead to an increased demand for anesthesia assistance...
May 15, 2018: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/29770311/-super-active-surveillance-mri-ultrasound-fusion-biopsy-and-ablation-for-less-invasive-management-of-prostate-cancer
#4
REVIEW
Jonathan B Bloom, Samuel A Gold, Graham R Hale, Kareem N Rayn, Vikram K Sabarwal, Ivane Bakhutashvili, Vladimir Valera, Baris Turkbey, Peter A Pinto, Bradford J Wood
Multiparametric magnetic resonance imaging (mpMRI) of the prostate has allowed clinicians to better visualize and target suspicious lesions during biopsy. Targeted prostate biopsies give a more accurate representation of the true cancer volume and stage so that appropriate treatment or active surveillance can be selected. Advances in technology have led to the development of MRI and ultrasound fusion platforms used for targeted biopsies, monitoring cancer progression, and more recently for the application of focal therapy...
April 2018: Gland Surgery
https://www.readbyqxmd.com/read/29758372/percutaneous-endoscopic-lumbar-surgery-via-transfacet-approach-for-lumbar-synovial-cyst
#5
Hsuan-Han Wu, Lei Chu, Yong-Jian Zhu, Chun-Yuan Cheng, Chien-Min Chen
BACKGROUND: There are currently no high-quality studies on the optimal therapeutic approach for juxtafacet cyst as treatment guidelines have not been developed. Herein, a novel technique in which using an endoscopic transfacet approach to treat a patient with symptomatic lumbar synovial cyst was presented. . CASE DESCRIPTION: A 87-year-old man presented with severe dull pain in the right anterior thigh had developed. Lumbar magnetic resonance imaging (MRI) revealed disc extrusion over the central canal zone at the L2-3 and L4-L5 level, and an ovoid lesion with a hyperintense center plus a hypointense rim on the T2-weighted image...
May 11, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29749883/rapid-sequence-brain-magnetic-resonance-imaging-for-chiari-i-abnormality
#6
James Pan, Jennifer L Quon, Eli Johnson, Bryan Lanzman, Anjeza Chukus, Allen L Ho, Michael S B Edwards, Gerald A Grant, Kristen W Yeom
OBJECTIVE Fast magnetic resonance imaging (fsMRI) sequences are single-shot spin echo images with fast acquisition times that have replaced CT scans for many conditions. Introduced as a means of evaluating children with hydrocephalus and macrocephaly, these sequences reduce the need for anesthesia and can be more cost-effective, especially for children who require multiple surveillance scans. However, the role of fsMRI has yet to be investigated in evaluating the posterior fossa in patients with Chiari I abnormality (CM-I)...
May 11, 2018: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29744650/a-novel-in-vivo-porcine-model-of-intervertebral-disc-degeneration-induced-by-cryoinjury
#7
Charles-Henri Flouzat-Lachaniette, Nicolas Jullien, Charlie Bouthors, Eric Beohou, Béatrice Laurent, Philippe Bierling, Arnaud Dubory, Hélène Rouard
PURPOSE: Degenerative disc disease involves sequential events that lead to the loss of cells, a decrease in disc matrix production, disc dehydration, and alteration of its biomechanical properties. The aim of this study was to determine whether cryoinjury of the nucleus pulposus performed through endplate perforation contributes to disc degeneration and to compare this technique with standard methods. METHOD: Under general anesthesia, the lumbar discs of six pigs were exposed and randomly submitted to needle puncture of the annulus fibrosus (NeP), isolated endplate injury (EP), or cryoinjury using a 2...
May 10, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29741923/effect-of-intraoperative-platelet-rich-plasma-treatment-on-postoperative-donor-site-knee-pain-in-patellar-tendon-autograft-anterior-cruciate-ligament-reconstruction-a-double-blind-randomized-controlled-trial
#8
Brian L Walters, David A Porter, Sarah J Hobart, Benjamin B Bedford, Daniel E Hogan, Malachy M McHugh, Devon A Klein, Kendall Harousseau, Stephen J Nicholas
BACKGROUND: Donor site morbidity in the form of anterior knee pain is a frequent complication after bone-patellar tendon-bone (BPTB) autograft anterior cruciate ligament (ACL) reconstruction. Hypothesis/Purpose: The purpose was to examine the effect of the intraoperative administration of platelet-rich plasma (PRP) on postoperative kneeling pain. It was hypothesized that PRP treatment would reduce knee pain. STUDY DESIGN: Randomized controlled trial; Level of evidence, 2...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29734945/subtle-elbow-instability-associated-with-lateral-epicondylitis
#9
Sang Ho Kwak, Seung-Jun Lee, Hee Seok Jeong, Min Uk Do, Kuen Tak Suh
BACKGROUND: In lateral epicondylitis, even in the absence of apparent instability, subtle instability can be found under anesthesia. We wanted to ascertain the following: (1) how many elbows surgically treated with lateral epicondylitis showed subtle instability during examination under anesthesia (EUA), (2) how effective magnetic resonance imaging (MRI) was in predicting subtle instability, and (3) if any difference existed in preoperative clinical data between elbows with and without subtle instability during EUA...
May 7, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29733410/perioperative-multimodal-evaluation-and-surgical-tactics-of-tumor-related-epilepsy-2-dimensional-operative-video
#10
Chengxin Ma, Rui Feng, N U Farrukh Hameed, Jie Zhang, Dongxiao Zhuang, Jinsong Wu
Treatment of tumor-related epilepsy (TRE), especially for tumors near critical areas, requires surgeons to strike a balance between the epileptic benefit and functional outcome after surgery. Here, we present a case in which multimodal evaluation facilitated the achievement of such surgical balance. Informed patient consent was obtained. A 17-yr-old female presented with seizure attacks for 2 yr. Magnetic resonance imaging (MRI) revealed a right parietal mass lesion with hypointense signal on T1W imaging, hyperintense signal on T2W imaging, and homogeneous enhancement...
May 4, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29721359/acute-cauda-equina-syndrome-following-orthopedic-procedures-as-a-result-of-epidural-anesthesia
#11
Lisa B E Shields, Vasudeva G Iyer, Yi Ping Zhang, Christopher B Shields
Background: Cauda equina syndrome (CES) is a rare complication of spinal or epidural anesthesia. It is attributed to direct mechanical injury to the spinal roots of the cauda equina that may result in saddle anesthesia and paraplegia with bowel and bladder dysfunction. Case Description: The first patient underwent a hip replacement and received 5 mL of 1% lidocaine epidural anesthesia. Postoperatively, when the patient developed an acute CES, the lumbar magnetic resonance imaging (MRI) scan demonstrated clumping/posterior displacement of nerve roots of the cauda equina consistent with adhesive arachnoiditis attributed to the patient's previous L4-L5 lumbar decompression/fusion...
2018: Surgical Neurology International
https://www.readbyqxmd.com/read/29703011/desmoplastic-small-round-cell-tumor-of-the-middle-ear-a-case-report
#12
Jing Xu, Mengwei Yao, Xinxin Yang, Tao Liu, Shaohua Wang, Dengdian Ma, Xiaoyu Li
RATIONALE: Desmoplastic small round cell tumor (DSRCT) is a rare, aggressive and malignant tumor. This report describes a case involving DSRCT of the middle ear which no case has been reported in the literature till date. PATIENT CONCERN: A 59-year-old Chinese man with a 40-year history of repeated suppuration of his right ear and 1-year history of drooping of the angle of mouth. The CT of the middle ear and brain scan and enhanced MRI showed space occupying lesion in the right middle ear...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29690796/spontaneous-bold-waves-a-novel-hemodynamic-activity-in-sprague-dawley-rat-brain-detected-by-functional-magnetic-resonance-imaging
#13
Artem Shatillo, Arto Lipponen, Raimo A Salo, Heikki Tanila, Alexei Verkhratsky, Rashid Giniatullin, Olli H Gröhn
We report spontaneous hemodynamic activity termed "Spontaneous BOLD Waves" (SBWs) detected by BOLD fMRI in Sprague-Dawley rats under medetomidine anesthesia. These SBWs, which lasted several minutes, were observed in cortex, thalamus and hippocampus. The SBWs' correlates were undetectable in electrophysiological recordings, suggesting an exclusive gliovascular phenomenon dissociated from neuronal activity. SBWs were insensitive to the NMDA receptors antagonist MK-801 but were inhibited by the α1-adrenoceptor blocker prazosin...
January 1, 2018: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/29682611/unilateral-renal-tumor-cryoablation-and-contralateral-radical-nephrectomy-of-bilateral-renal-tumors-by-transumbilical-3d-multichannel-laparoendoscopic-single-site-surgery
#14
Guopeng Yu, Ke Zhang, Wenzhi Li, Long Li, Yanliang Zhao, Yiwei Wang, Mingxi Xu, Jun Da, Guoqin Dong, Zhong Wang, Bin Xu
Background: Unilateral renal tumor cryoablation and contralateral radical nephrectomy of bilateral renal tumors were performed by transumbilical three-dimensional (3D) multichannel laparoendoscopic single-site (LESS) surgery, in an attempt to verify the feasibility and safety of the procedure, sum up the operational experience, and evaluate the surgical outcome. Case Presentation: This was a 47-year-old female patient with a body mass index of 27.34 kg/m2 without backache, low back pain, hematuria, urinary urgency, frequent urination, dysuria, and other symptoms...
2018: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/29682503/imaging-behavior-and-endocrine-analysis-of-jealousy-in-a-monogamous-primate
#15
Nicole Maninger, Sally P Mendoza, Donald R Williams, William A Mason, Simon R Cherry, Douglas J Rowland, Thomas Schaefer, Karen L Bales
Understanding the neurobiology of social bonding in non-human primates is a critical step in understanding the evolution of monogamy, as well as understanding the neural substrates for emotion and behavior. Coppery titi monkeys ( Callicebus cupreus ) form strong pair bonds, characterized by selective preference for their pair mate, mate-guarding, physiological and behavioral agitation upon separation, and social buffering. Mate-guarding, or the "maintenance" phase of pair bonding, is relatively under-studied in primates...
October 2017: Frontiers in Ecology and Evolution
https://www.readbyqxmd.com/read/29682064/awake-craniotomy-with-noninvasive-brain-mapping-by-3-tesla-functional-magnetic-resonance-imaging-for-excision-of-low-grade-glioma-a-case-of-a-young-patient-from-pakistan
#16
Atta Ul Aleem Bhatti, Nasir Khan Jakhrani, Maria Adnan Parekh
The past few years have seen increasing support for gross total resection in the management of low-grade gliomas (LGGs), with a greater extent of resection correlated with better overall survival, progression-free survival, and time to malignant transformation. There is consistent evidence in literature supporting extent of safe resection as a good prognostic indicator as well as positively affecting seizure control, symptomatic relief in pressure symptoms, and longer progression-free and total survival. The operative goal in most LGG cases is to maximize the extent of resection for these benefits while avoiding postoperative neurologic deficits...
April 2018: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29668582/bilateral-visual-loss-and-cerebral-infarction-after-spleen-embolization-in-a-trauma-patient-with-idiopathic-thrombocytopenic-purpura-a-case-report
#17
Wei-Ting Wang, Yu-Yu Li, Wan-Ching Lin, Jen-Yin Chen, Kuo-Mao Lan, Cheuk-Kwan Sun, Kuo-Chuan Hung
RATIONALE: Splenic artery embolization (SAE) is a common procedure in trauma patients with blunt splenic injuries. We report a case of acute ischemic stroke following orthopedic surgery in a patient with post-SAE reactive thrombocytosis. PATIENT CONCERNS: A 37-year-old woman with idiopathic thrombocytopenic purpura (ITP) suffered from multiple trauma scheduled for open reduction and internal fixation for right tibial and left radius fracture five days after SAE...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29652699/impact-of-the-glymphatic-system-on-the-kinetic-and-distribution-of-gadodiamide-in-the-rat-brain-observations-by-dynamic-mri-and-effect-of-circadian-rhythm-on-tissue-gadolinium-concentrations
#18
Toshiaki Taoka, Gregor Jost, Thomas Frenzel, Shinji Naganawa, Hubertus Pietsch
OBJECTIVES: The glymphatic system is a recently hypothesized waste clearance system of the brain in which perivascular space constitutes a pathway similar to the lymphatic system in other body regions. Sleep and anesthesia are reported to influence the activity of the glymphatic system. Because rats are nocturnal animals, the glymphatic system is expected to be more active during the day. We attempted to elucidate the influence of the glymphatic system for intravenously injected gadodiamide in the rat brain by 2 experiments...
April 12, 2018: Investigative Radiology
https://www.readbyqxmd.com/read/29614554/-effect-of-foam-sclerotherapy-for-the-treatment-of-oropharyngeal-venous-malformation
#19
C Q Niu, H Jiang, S Y Zhou, G Shen, H B Li, J Zhang
Objective: To evaluate the safety and efficacy of foam sclerotherapy with polidocanol for the treatment of venous malformation in the oropharynx. Methods: The clinical data of 21 children with venous malformation in the oropharynx treated by foam sclerotherapy were retrospectively analyzed. There were 10 males and 11 females, ranging in age from 1 month to 13 years, with a median age of 2.3 years. MRI was performed in all children, and the diagnosis was further confirmed by radiography. After general anesthesia, the oropharynx was exposed by opening device...
March 7, 2018: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/29605361/combined-nd-yag-laser-and-bleomycin-sclerotherapy-under-the-same-anesthesia-for-cervicofacial-venous-malformations-a-safe-and-effective-treatment-option
#20
Stacie Gregory, Patricia E Burrows, Herodotos Ellinas, Michael Stadler, Robert H Chun
INTRODUCTION: Extensive cervicofacial venous malformations (VM) pose significant challenges to a patient's quality of life (altered breathing, dysphagia, dysarthria). Treatment options include: 1) Surgical debulking; 2) Sclerotherapy; 3) laser therapy; or 4) Combined modalities. Recent studies have demonstrated the importance of multimodality and multidisciplinary management of these patients. However, no studies have described combined single anesthetic laser and sclerotherapy treatment...
May 2018: International Journal of Pediatric Otorhinolaryngology
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