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Lumbar puncture

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https://www.readbyqxmd.com/read/28335586/can-characteristic-mri-brain-substitute-invasive-lumbar-puncture-search-for-14-3-3-immunoassay-for-creutzfeldt-jakob-disease-suggestions-from-a-case-study
#1
Saira Saad, Mazhar Badshah, Muhammad Irshad
No abstract text is available yet for this article.
February 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28333917/a-clinical-utility-study-of-exome-sequencing-versus-conventional-genetic-testing-in-pediatric-neurology
#2
Lisenka E L M Vissers, Kirsten J M van Nimwegen, Jolanda H Schieving, Erik-Jan Kamsteeg, Tjitske Kleefstra, Helger G Yntema, Rolph Pfundt, Gert Jan van der Wilt, Lotte Krabbenborg, Han G Brunner, Simone van der Burg, Janneke Grutters, Joris A Veltman, Michèl A A P Willemsen
PURPOSE: Implementation of novel genetic diagnostic tests is generally driven by technological advances because they promise shorter turnaround times and/or higher diagnostic yields. Other aspects, including impact on clinical management or cost-effectiveness, are often not assessed in detail prior to implementation. METHODS: We studied the clinical utility of whole-exome sequencing (WES) in complex pediatric neurology in terms of diagnostic yield and costs. We analyzed 150 patients (and their parents) presenting with complex neurological disorders of suspected genetic origin...
March 23, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28333858/immune-reconstitution-inflammatory-syndrome-causing-progressive-optic-nerve-edema-in-cryptococcal-meningitis
#3
Astrid C Werner, Laurel N Vuong, Thomas R Hedges, Caroline R Baumal
PURPOSE: To report an human immunodeficiency virus-positive patient undergoing therapy for cryptococcal meningitis who developed progressive optic disc edema that was steroid responsive. METHODS: Observational case report. RESULTS: One month after commencing antifungal treatment for cryptococcal meningitis, the patient developed bilateral, progressive, recurrent optic disc edema with subretinal fluid that coincided with initiation of highly active antiretroviral therapy and recovery of CD4 cell counts...
March 22, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28333413/extramedullary-leukemia-in-children-with-acute-myeloid-leukemia-a-population-based-cohort-study-from-the-nordic-society-of-pediatric-hematology-and-oncology-nopho
#4
Heidi Kristine Støve, Julie Damgaard Sandahl, Jonas Abrahamsson, Peter H Asdahl, Erik Forestier, Shau-Yin Ha, Kirsi Jahnukainen, Ólafur G Jónsson, Birgitte Lausen, Josefine Palle, Bernward Zeller, Henrik Hasle
BACKGROUND: The prognostic significance of extramedullary leukemia (EML) in childhood acute myeloid leukemia is not clarified. PROCEDURE: This population-based study included 315 children from the NOPHO-AML 2004 trial. RESULTS: At diagnosis, 73 (23%) patients had EML: 39 (12%) had myeloid sarcoma, 22 (7%) had central nervous system disease, and 12 (4%) had both. EML was associated with young age (median age: 2.6 years), a high white blood cell count (median: 40 × 10(9) /l), M5 morphology (40%), and 11q23/MLL (KMT2A) rearrangements (34%)...
March 23, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28332251/measuring-the-depth-of-the-caudal-epidural-space-to-prevent-dural-sac-puncture-during-caudal-block-in-children
#5
Hyun Jeong Lee, Ji Young Min, Hyun Il Kim, Hyo-Jin Byon
BACKGROUND: Caudal blocks are performed through the sacral hiatus in order to provide pain control in children undergoing lower abdominal surgery. During the block, it is important to avoid advancing the needle beyond the sacrococcygeal ligament too much to prevent unintended dural puncture. This study used demographic data to establish simple guidelines for predicting a safe needle depth in the caudal epidural space in children. METHODS: A total of 141 children under 12 years old who had undergone lumbar-sacral magnetic resonance imaging were included...
March 23, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28331936/ultrasound-guidance-for-difficult-lumbar-puncture-in-children-pearls-and-pitfalls
#6
REVIEW
Prakash Muthusami, Ashley James Robinson, Manohar M Shroff
Pediatric lumbar puncture can be challenging or unsuccessful for several reasons. At the same time, the excellent sonographic window into the pediatric spine provides a distinct opportunity for ultrasound-guided lumbar puncture. Minimal cerebrospinal fluid and thecal displacement by subdural or epidural hematomas are common after failed clinical attempts. Ultrasound is useful for determining a safe infraconal level for subarachnoid access. Real-time guidance increases not only the success rate but also the safety of diagnostic lumbar puncture and injections for chemotherapy and myelography...
March 22, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28331360/clear-differences-in-cerebrospinal-fluid-proteome-between-women-with-chronic-widespread-pain-and-healthy-women-a-multivariate-explorative-cross-sectional-study
#7
Patrik Olausson, Bijar Ghafouri, Emmanuel Bäckryd, Björn Gerdle
INTRODUCTION: Frequent chronic local pain can develop into chronic widespread pain (CWP). The spread of pain is correlated with pain intensity, anxiety, and depression, conditions that ultimately lead to a poor quality of life. Knowledge is incomplete about CWP's etiology, although it has been suggested that both central hyperexcitability and/or a combination with peripheral factors may be involved. Cerebrospinal fluid (CSF) could act as a mirror for the central nervous system as proteins are signal substances that activate the formation of algesics and control nociceptive processes...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28330963/decrease-in-a%C3%AE-42-predicts-dopa-resistant-gait-progression-in-early-parkinson-disease
#8
Lynn Rochester, Brook Galna, Sue Lord, Alison J Yarnall, Rosie Morris, Gordon Duncan, Tien K Khoo, Brit Mollenhauer, David J Burn
OBJECTIVE: This prospective observational study investigates the role of CSF biomarkers in predicting progression of dopa-resistant gait impairments in Parkinson disease (PD) in the first 36 months from diagnosis. METHODS: Quantitative gait analysis was carried out longitudinally using an instrumented walkway (GAITRite) in 108 people with PD and 130 age-matched controls. A subgroup of 44 people with PD underwent lumbar puncture from which a battery of CSF biomarkers was measured: β-amyloid 1-42 and 1-40 (Aβ42 and Aβ40), total and phosphorylated tau protein (t-tau/p-tau181), and α-synuclein (αSyn)...
March 22, 2017: Neurology
https://www.readbyqxmd.com/read/28329096/diffuse-white-matter-signal-abnormalities-on-magnetic-resonance-imaging-are-associated-with-human-immunodeficiency-virus-type-1-viral-escape-in-the-central-nervous-system-among-patients-with-neurological-symptoms
#9
Ruthiran Kugathasan, Dami A Collier, Lewis J Haddow, Kate El Bouzidi, Simon G Edwards, Jonathan D Cartledge, Robert F Miller, Ravindra K Gupta
Background.: Human immunodeficiency virus type 1 (HIV-1) can replicate independently in extravascular compartments such as the central nervous system, resulting in either cerebrospinal fluid (CSF) discordance (viral load [VL] in CSF 0.5 log10 copies HIV-1 RNA greater than plasma VL) or escape (detection of HIV VL >50 copies/mL in CSF in patients with suppressed plasma VL <50 copies/mL). Both discordance and escape may be associated with neurological symptoms. We explored risk factors for CSF discordance and escape in patients presenting with diverse neurological problems...
March 13, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28323703/biomechanical-effects-of-human-lumbar-discography-in-vitro-experiments-and-their-finite-element-validation
#10
Kristen E Lipscomb, Nesrin Sarigul-Klijn, Eric Klineberg, Vivek Mohan
STUDY DESIGN: An experimental and computational finite element analysis of human lumbar spine discography and its resulting effects on disk biomechanics. OBJECTIVE: To characterize the changes in stress and displacement of the human lumbar spine disks after puncture due to discography. SUMMARY OF BACKGROUND DATA: Discography of the intervertebral disk (IVD) may be used to diagnose pathology of the disk and determine whether it may be a source for chronic back pain...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28323695/superior-recess-access-of-the-lumbar-facet-joint
#11
Sibel Demir-Deviren, Sukhminder Singh, Joshua Hanelin
STUDY DESIGN: Descriptive approach to accessing the lumbar facet joint by superior recess. OBJECTIVE: This study is aimed to describe an approach to accessing the lumbar facet joint through targeting the superior recess during lumbar facet joint injections. SUMMARY OF BACKGROUND DATA: Lumbar facet joint injections are routinely performed for both the diagnosis and treatment of chronic low back pain. Previous studies either did not specify which part of the joint to target, or recommended targeting the inferior aspect of the joint to access the inferior recess...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28320169/probable-zika-virus-associated-guillain-barr%C3%A3-syndrome-challenges-with-clinico-laboratory-diagnosis
#12
Eliza Miller, Zoe Becker, Daniel Shalev, Christopher T Lee, Comana Cioroiu, Kiran Thakur
A 55year old woman in New York City presented in May 2016 with progressive weakness, ataxia, paresthesia, and areflexia, shortly after returning from the Dominican Republic. Lumbar puncture revealed cytoalbuminological dissociation. Due to her recent travel, Zika-associated Guillain Barré syndrome (GBS) was suspected and she underwent evaluation for recent flavivirus exposure. Zika virus RNA was not detected in serum, but Zika virus immunoglobulin M (IgM) was detected in both serum and cerebrospinal fluid...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28317034/european-mitochondrial-dna-haplogroups-are-associated-with-cerebrospinal-fluid-biomarkers-of-inflammation-in-hiv-infection
#13
David C Samuels, Asha R Kallianpur, Ronald J Ellis, William S Bush, Scott Letendre, Donald Franklin, Igor Grant, Todd Hulgan
BACKGROUND: Mitochondrial DNA (mtDNA) haplogroups are ancestry-related patterns of single-nucleotide polymorphisms that are associated with differential mitochondrial function in model systems, neurodegenerative diseases in HIV-negative populations, and chronic complications of HIV infection, including neurocognitive impairment. We hypothesized that mtDNA haplogroups are associated with neuroinflammation in HIV-infected adults. METHODS: CNS HIV Antiretroviral Therapy Effects Research (CHARTER) is a US-based observational study of HIV-infected adults who underwent standardized neurocognitive assessments...
October 2016: Pathogens & Immunity
https://www.readbyqxmd.com/read/28302612/difficult-lumbar-puncture-pitfalls-and-tips-from-the-trenches
#14
REVIEW
P A Hudgins, A J Fountain, P R Chapman, L M Shah
Lumbar puncture has, for many years, been the responsibility of the internal medicine physician or the neurologist. As more patients have undergone spine surgery and with the current increase in body mass index of the general population, the radiologist has been consulted with increasing frequency to perform lumbar puncture with fluoroscopic guidance. Radiology, in fact, is now the dominant overall provider of lumbar puncture procedures. The procedure is more difficult when the needle length increases, and if fluoroscopy is used, landmarks are more difficult to visualize with increasing subcutaneous fat...
March 16, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28300719/idiopathic-intracranial-hypertension-in-monozygotic-female-twins-intracranial-pressure-dynamics-and-treatment-outcome
#15
Manolis Polemikos, Hans E Heissler, Elvis J Hermann, Joachim K Krauss
BACKGROUND: Familial cases of idiopathic intracranial hypertension (IIH) are exceedingly rare and its occurrence has not been reported before in monozygotic twins. CASE DESCRIPTION: We describe the cases of monozygotic female twins who developed IIH at age 25 and at age 28, respectively. Continuous intracranial pressure monitoring confirmed elevated intracranial pressure (ICP) as measured initially by lumbar puncture. In both cases, successful treatment with resolution of papilledema and symptoms relief was achieved after ventriculoperitoneal shunting...
March 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28288046/fdg-pet-ct-in-pediatric-neurolymphomatosis
#16
Carole de Vaugelade, Henri de Clermont-Gallerande, Marie Meyer, Aude My Duyen Tiphaine, Alice Benjamin, Stephane Ducassou, Jean-François Chateil, Philippe Fernandez
An 8-year-old girl presented with back and leg pain and left arm and leg paresis. Lumbar puncture was suggestive of lymphocytic meningitis without identified organism. A second lumbar puncture demonstrated a large number of lymphoid B cells, with positive immunohistochemical staining for CD20 and CD25, proving the diagnosis of neurolymphomatosis. Brain and spine MRI demonstrated involvement of cervical and lumbosacral nerve roots. FDG PET/CT showed multiple bone metastases in addition to nerve involvement. Postchemotherapy FDG PET/CT demonstrated complete metabolic response...
March 10, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28283677/guillain-barr%C3%A3-syndrome-presenting-with-sinus-node-dysfunction-and-refractory-shock
#17
Le Dung Ha, Farrukh Abbas, Mohan Rao
BACKGROUND Guillain-Barré syndrome (GBS) is an acute inflammatory demyelinating polyneuropathy that is usually associated with preceding respiratory or gastrointestinal infection and has the hallmark manifestation of ascending flaccid paralysis. We report an atypical presentation of GBS. CASE REPORT A 76-year-old male presented with acute onset of diaphoresis and altered mental status. He subsequently developed severe bradycardia and refractory hypotension, which initially responded to dopamine infusion. A temporary pacemaker wire was placed to stabilize the heart rate but hypotension persisted...
March 11, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28283595/astroglial-activation-and-altered-amyloid-metabolism-in-human-repetitive-concussion
#18
Pashtun Shahim, Yelverton Tegner, Niklas Marklund, Kina Höglund, Erik Portelius, David L Brody, Kaj Blennow, Henrik Zetterberg
OBJECTIVE: To determine whether postconcussion syndrome (PCS) due to repetitive concussive traumatic brain injury (rcTBI) is associated with CSF biomarker evidence of astroglial activation, amyloid deposition, and blood-brain barrier (BBB) impairment. METHODS: A total of 47 participants (28 professional athletes with PCS and 19 controls) were assessed with lumbar puncture (median 1.5 years, range 0.25-12 years after last concussion), standard MRI of the brain, and Rivermead Post-Concussion Symptoms Questionnaire (RPQ)...
March 10, 2017: Neurology
https://www.readbyqxmd.com/read/28276804/screening-for-early-onset-invasive-group-b-streptococcal-disease-in-neonates-in-an-irish-hospital-2001-2014-a-retrospective-audit
#19
Maryke Nielsen, Naveed Sheikh, Eoin Fitzgerald, Mary Meehan, David LeBlanc, Maeve Eogan, Afif El-Khuffash, Richard J Drew
Group B Streptococcus (GBS) is the most common cause of early-onset neonatal sepsis and meningitis. In babies with no clinical suspicion of infection, who are at risk of early-onset invasive disease based on maternal risk factors, blood cultures are taken to detect bacteraemia. In our institution, lumbar punctures are performed in infants with clinical signs of sepsis but not in infants who are well at the time of screening. Between 2001 and 2014, there were 112,361 live births weighing >500 g, of whom 13,959 (12...
February 6, 2017: Infectious Diseases
https://www.readbyqxmd.com/read/28269182/development-of-a-real-time-lumbar-ultrasound-image-processing-system-for-epidural-needle-entry-site-localization
#20
Yusong Leng, Shuang Yu, Kok Kiong Tan, Philip Tildsley, Alex Tiong Heng Sia, Ban Leong Sng
A fully-automatic ultrasound image processing system that can determine the needle entry site for epidural anesthesia (EA) in real time is presented in this paper. Neither the knowledge of anesthetists nor additional hardware is required to operate the system, which firstly directs the anesthetists to reach the desired insertion region in the longitudinal view, i.e., lumbar level L3-L4, and then locates the ideal puncture site by instructing the anesthetists to rotate and slightly adjust the position of ultrasound probe...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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