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Tethered cord

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https://www.readbyqxmd.com/read/29017977/syrinx-to-subarachnoid-shunting-for-syringomyelia
#1
Keryn Davidson, Jeffrey M Rogers, Marcus A Stoodley
OBJECTIVE: Surgery for syringomyelia generally aims to treat the underlying cause, if it is known. Optimal management is unclear for idiopathic syringomyelia, or where treatment of the putative cause has failed or is high risk. Syrinx to subarachnoid shunting is an option for these cases; a series is reported to assess the outcomes of this approach. METHODS: We retrospectively analysed the clinical and radiological features of a consecutive series of patients with syringomyelia treated with syrinx to subarachnoid shunting...
October 7, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29016431/incidence-of-congenital-spinal-abnormalities-among-pediatric-patients-and-their-association-with-scoliosis-and-systemic-anomalies
#2
Peter G Passias, Gregory W Poorman, Cyrus M Jalai, Bassel G Diebo, Shaleen Vira, Samantha R Horn, Joseph F Baker, Kartik Shenoy, Saqib Hasan, John Buza, Wesley Bronson, Justin C Paul, Ian Kaye, Norah A Foster, Ryan T Cassilly, Jonathan H Oren, Ronald Moskovich, Breton Line, Cheongeun Oh, Shay Bess, Virginie LaFage, Thomas J Errico
BACKGROUND: Congenital abnormalities when present, according to VACTERL theory, occur nonrandomly with other congenital anomalies. This study estimates the prevalence of congenital spinal anomalies, and their concurrence with other systemic anomalies. METHODS: A retrospective cohort analysis on Health care Cost and Utilization Project's Kids Inpatient Database (KID), years 2000, 2003, 2006, 2009 was performed. ICD-9 coding identified congenital anomalies of the spine and other body systems...
October 9, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28984782/chiari-type-i-malformation-with-occult-tethered-cord-syndrome-in-a-child-a-case-report
#3
Yuan Zhou, Lin Zhu, Yixing Lin, Huilin Cheng
RATIONALE: Chiari type I malformation (CM1) and occult tethered cord syndrome (OTCS) are considered to be malformations associated with subtle structural abnormalities of the terminal filum. Few studies have reported patients with CM1 and OTCS. Treatment strategy for patients of CM1 associated with OTCS is controversial. PATIENT CONCERNS: A 14-year-old child was admitted with intermittent pain and numbness in the right upper limb. And he had urinary frequency, neck pain, back pain, and numbness simultaneously...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28961973/transhiatal-approach-to-filum-terminale-externum-sectioning-in-adult-patient-with-tethered-cord-syndrome-case-report
#4
Vanni Veronesi, Carlo Sacco, Cristina Mastronicola, Guido Staffa
BACKGROUND AND IMPORTANCE: An adult patient was referred to our department for tethered cord syndrome. A lumbar magnetic resonance imaging showed a conus medullaris at the S2 level and the caudal part of the dural sac at the S3 level. We present a minimally invasive spine surgery procedure at the hiatus level for the treatment of tethered cord syndrome by the surgical section of the filum terminale externum, which avoids bone demolition. CLINICAL PRESENTATION: A 65-yr-old Caucasian man was referred for dysesthesia and a burning sensation in his lower limbs, which was both spontaneous and triggered by contact with his clothes...
August 22, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28951269/minimally-invasive-excision-of-thoracic-arachnoid-web
#5
Pierluigi Vergara, Damiano Giuseppe Barone
OBJECT: Arachnoid webs are rare intradural lesions which can cause direct spinal cord compression and/or alteration of the CSF flow with syringomielia. Surgery has been historically performed via wide open laminectomies. The aim of this study is to prove the feasibility of minimally invasive techniques for the excision of arachnoid webs. METHODS: A retrospective review of two cases of minimally invasive excision of thoracic arachnoid webs was performed. Surgery was carried out through expandable tubular retractors...
September 23, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28946162/tethered-cord-and-anorectal-malformations-a-case-series
#6
Francesca Destro, Lorena Canazza, Milena Meroni, Giorgio Selvaggio, Cecilia Parazzini, Laura Valentini, Giovanna Riccipetitoni
No abstract text is available yet for this article.
September 25, 2017: European Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28904585/is-it-the-monster-teratoma-or-simply-meningomyelocele-our-experience-of-histological-surprise
#7
Suyash Singh, Jayesh Sardhara, Pradeep Sharma, Arun Kumar Srivastava, Kuntal Kanti Das, Kamlesh S Bhaisora, Anant Mehrotra, Awadhesh Kumar Jaiswal, Sanjay Behari, Raj Kumar
Teratomas are one of the most common tumors in newborn with excellent prognosis arises from totipotent primordial germ cells harboring two or three germ cell layers. The tumor has been titled "Great masquerade." The teratomas of sacrococcygeal region present with lower limb weakness, urinary or bowel obstruction, and swelling at lower back or intrauterine mass in ultrasound or complicated delivery. A 2-month-old male child presented with complaints of swelling over lumbosacral region with discharging punctum since birth...
April 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28868301/dynamic-lumbosacral-magnetic-resonance-imaging-in-a-dog-with-tethered-cord-syndrome-with-a-tight-filum-terminale
#8
Steven De Decker, Vicky Watts, David M Neilson
A 1-year and 11-month- old English Cocker Spaniel was evaluated for clinical signs of progressive right pelvic limb lameness and urinary incontinence. Neurological examination was suggestive of a lesion localized to the L4-S3 spinal cord segments. No abnormalities were seen on magnetic resonance imaging (MRI) performed in the dog in dorsal recumbency and the hips in a neutral position and the conus medullaris ended halfway the vertebral body of L7. An MRI of the hips in extended and flexed positions demonstrated minimal displacement of the conus medullaris in the cranial and caudal directions, respectively...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28862518/optimal-stimulation-parameters-for-intraoperative-bulbocavernosus-reflex-in-infants
#9
Hyeoncheol Hwang, Kyu-Chang Wang, Moon Suk Bang, Hyung-Ik Shin, Seung-Ki Kim, Ji Hoon Phi, Ji Yeoun Lee, Jinwoo Choi, Seungwoo Cha, Keewon Kim
OBJECTIVE The aim of this study was to establish optimal electric stimulation parameters for intraoperatively monitoring the bulbocavernosus reflexes (BCRs) in infants. METHODS The authors retrospectively reviewed the medical records of all infants (age < 24 months) who had undergone an untethering operation for tethered cord syndrome between May 2013 and February 2014 at a single institution and whose baseline BCR had been elicited during surgery. Using different combinations of stimulation parameters-number of stimulation pulses: 4 or 8 pulses, interpulse interval: 1, 2, or 5 msec, and polarity of stimulation: biphasic or monophasic-the authors compared the relative mean amplitude of 10 BCR responses (rmaBCRs) to each combination of parameters...
September 1, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28841465/design-of-a-nanocomposite-substrate-inducing-adult-stem-cell-assembly-and-progression-toward-an-epiblast-like-or-primitive-endoderm-like-phenotype-via-mechanotransduction
#10
Francesco Morena, Ilaria Armentano, Pia Montanucci, Chiara Argentati, Elena Fortunati, Simona Montesano, Ilaria Bicchi, Teresa Pescara, Ilaria Pennoni, Samantha Mattioli, Luigi Torre, Loredana Latterini, Carla Emiliani, Giuseppe Basta, Riccardo Calafiore, Josè Maria Kenny, Sabata Martino
This work shows that the active interaction between human umbilical cord matrix stem cells and Poly (l-lactide)acid (PLLA) and PLLA/Multi Walled Carbon Nanotubes (MWCNTs) nanocomposite films results in the stem cell assembly as a spheroid conformation and affects the stem cell fate transition. We demonstrated that spheroids directly respond to a tunable surface and the bulk properties (electric, dielectric and thermal) of plain and nanocomposite PLLA films by triggering a mechanotransduction axis. This stepwise process starts from tethering of the cells' focal adhesion proteins to the surface, together with the adherens junctions between cells...
August 16, 2017: Biomaterials
https://www.readbyqxmd.com/read/28826918/surgical-management-of-142-cases-of-split-cord-malformations-associated-with-osseous-divide
#11
Tao Wang, Jian-Wen Gu, Tie-Jun Shi, Ke Li, Wei Wang, Xiao-Jun Bai, Jun-Hai Zhang, Zhi-Feng Yang, Shao-Jie Cui
OBJECTIVES: To investigate the key surgical points in treating split cord malformations associated with osseous divide and scoliosis (SCM-OD-S). MATERIALS AND METHODS: The surgical options and methods of a total of 142 SCM-OD-S cases were retrospectively analyzed, and the surgical precautions and imaging diagnosis were also discussed. RESULTS: The 142 patients were performed osseous divide resection plus dural sac molding, which achieved good results and no serious complication such as spinal cord and nerve injury occurred; certain symptoms such as urination-defecation disorders, muscle strength subsidence, Pes Cavus, and toe movement disorder in partial patients achieved various degrees of relief, and it also created good conditions for next-step treatment against scoliosis...
August 1, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28817819/progressive-kyphosis-associated-with-tethered-cord-syndrome-treated-by-posterior-vertebral-column-resection-in-a-pediatric-patient
#12
Kadir Oktay, Kerem Mazhar Ozsoy, Yurdal Gezercan, Nuri Eralp Cetinalp, Tahsin Erman
Posterior vertebral column resection is a novel surgical approach for the treatment of progressive kyphosis associated with tethered cord syndrome that was first treated with untethering surgery. A patient with tethered cord syndrome associated with kyphosis first underwent untethering surgery, resulting in progressive kyphosis. Posterior vertebral column resection was performed to correct the kyphosis while shortening the spinal column to prevent the spinal cord from stretch injury. Good correction of kyphosis and reduction of tension on the neural elements were achieved without any neurological deficits...
2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28807359/physical-therapy-for-fecal-incontinence-in-children-with-pelvic-floor-dyssynergia
#13
Swathi Muddasani, Amanda Moe, Caitlin Semmelrock, Caroyl Luan Gilbert, Valentine Enemuo, Eric Howard Chiou, Bruno Pedro Chumpitazi
OBJECTIVES: To determine the efficacy of physical therapy (PT) for fecal incontinence in children with pelvic floor dyssynergia (PFD). STUDY DESIGN: Retrospective chart review of children with PFD completing >1 PT session for fecal incontinence at a quaternary children's hospital. The frequency of fecal incontinence (primary outcome), constipation-related medication use, number of bowel movements (in those with <3 per week at baseline) and pelvic floor muscle (PFM) function were captured at baseline and at the final PT visit...
August 11, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28799195/sacral-nerve-stimulation-for-constipation-and-fecal-incontinence-in-children-long-term-outcomes-patient-benefit-and-parent-satisfaction
#14
P L Lu, I J N Koppen, D K Orsagh-Yentis, K Leonhart, E J Ambeba, K J Deans, P C Minneci, S Teich, K A Diefenbach, S A Alpert, M A Benninga, D Yacob, C Di Lorenzo
OBJECTIVE: To evaluate the long-term efficacy of sacral nerve stimulation (SNS) in children with constipation and describe patient benefit and parent satisfaction. METHODS: Using a prospective patient registry, we identified patients <21 years old with constipation treated with SNS for >2 years. We compared symptoms, medical treatment, PedsQL Gastrointestinal Symptom Scale (GSS), Fecal Incontinence Quality of Life Scale (FIQL), and Fecal Incontinence Severity Index (FISI) before SNS and at follow-up...
August 10, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28792087/evaluation-and-management-of-tethered-cord-syndrome-in-occult-spinal-dysraphism-recommendations-from-the-international-children-s-continence-society
#15
REVIEW
Gerald F Tuite, Dominic N P Thompson, Paul F Austin, Stuart B Bauer
AIMS: As awareness and frequency of tethered spinal cord (TSC) related to occult spinal dysraphism (OSD) has increased with magnetic resonance imaging (MRI), variability exists in its evaluation and management. Due to no published level I data, we summarize the current International Children's Continence Society (ICCS) recommendations for diagnosis and treatment of OSD. METHODS: Guidelines were formulated based on analysis of pertinent literature and consensus among authors...
August 9, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28789957/mini-open-spinal-column-shortening-for-the-treatment-of-adult-tethered-cord-syndrome
#16
Michael M Safaee, Ethan A Winkler, Dean Chou
Tethered cord syndrome (TCS) is a challenging entity characterized by adhesions at the caudal spinal cord that prevent upward movement during growth and result in stretching of the cord with a concomitant constellation of neurologic symptoms. Although growth in height stops in adulthood, some patients still develop progressive symptoms; many underwent detethering as a child or adolescent, resulting in significant scar tissue and re-tethering. Recent strategies have focused on spinal column shortening to reduce tension on the spinal cord without exposing the previous de-tethering site...
October 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28782691/first-case-of-autonomic-dysreflexia-following-elective-lower-thoracic-spinal-cord-transection-in-a-spina-bifida-adult
#17
Juanita Garces, Mansour Mathkour, Tyler Scullen, Lora Kahn, Erin Biro, Alex Pham, Olawale A R Sulaiman, Roger Smith, Cuong J Bui
BACKGROUND: Spinal cord transection is a radical but effective treatment for highly selective cases of symptomatic spinal retethering in paraplegic spina bifida patients. Autonomic dysreflexia (AD) is a potentially life-threatening syndrome involving a dysregulated sympathetic discharge reflex commonly seen following cervical and high thoracic spinal cord injury, leading to a disconnect between autonomic pathways above and below the lesion that can lead to severe complications including uncontrolled hypertension, bradycardia, stroke, and potentially death...
August 3, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28695338/management-of-concomitant-scoliosis-and-tethered-cord-syndrome-in-non-spina-bifida-pediatric-population
#18
REVIEW
Kaan Yaltırık, Najib E El Tecle, Matthew J Pierson, Aki Puryear, Basar Atalay, Samer K Elbabaa
BACKGROUND: The management of concomitant scoliosis and tethered cord syndrome in the non-spina bifida pediatric population is challenging. In the present study, we evaluate the efficacy of different treatment modalities and propose a treatment plan for the management of affected patients. METHODS: A systematic literature review was conducted by querying the MEDLINE, PubMed, Cochrane, EMBASE, Scopus, and Web of Science databases for papers published between January 1996 and June 2016 and reporting on concomitant scoliosis and tethered cord...
July 10, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28694236/fibrin-functionalization-with-synthetic-adhesive-ligands-interacting-with-%C3%AE-6%C3%AE-1-integrin-receptor-enhance-neurite-outgrowth-of-embryonic-stem-cell-derived-neural-stem-progenitors
#19
Joana Silva, Ana R Bento, Daniela Barros, Tiago L Laundos, Susana R Sousa, Pedro Quelhas, Mónica M Sousa, Ana P Pêgo, Isabel F Amaral
To enhance fibrin hydrogel affinity towards pluripotent stem cell-derived neural stem/progenitor cells (NSPCs) and its capacity to support NSPC migration and neurite extension, we explored the tethering of synthetic peptides engaging integrin α6β1, a cell receptor enriched in NSPCs. Six α6β1 integrin ligands were tested for their ability to support integrin α6β1-mediated adhesion of embryonic stem cell-derived NSPCs (ES-NSPs) and sustain ES-NSPC viability, migration, and neuronal differentiation. Due to their better performance, peptides T1, HYD1, and A5G81 were immobilized into fibrin and functionalized gels characterized in terms of peptide binding efficiency, structure and viscoelastic properties...
September 1, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28691701/instructing-cells-with-programmable-peptide-dna-hybrids
#20
Ronit Freeman, Nicholas Stephanopoulos, Zaida Álvarez, Jacob A Lewis, Shantanu Sur, Chris M Serrano, Job Boekhoven, Sungsoo S Lee, Samuel I Stupp
The native extracellular matrix is a space in which signals can be displayed dynamically and reversibly, positioned with nanoscale precision, and combined synergistically to control cell function. Here we describe a molecular system that can be programmed to control these three characteristics. In this approach we immobilize peptide-DNA (P-DNA) molecules on a surface through complementary DNA tethers directing cells to adhere and spread reversibly over multiple cycles. The DNA can also serve as a molecular ruler to control the distance-dependent synergy between two peptides...
July 10, 2017: Nature Communications
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