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Cervical spinal stenosis

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https://www.readbyqxmd.com/read/29165642/the-corticospinal-reserve-capacity-reorganization-of-motor-area-and-excitability-as-a-novel-pathophysiological-concept-in-cervical-myelopathy
#1
Anna Zdunczyk, Vera Schwarzer, Michael Mikhailov, Brendon Bagley, Tizian Rosenstock, Thomas Picht, Peter Vajkoczy
BACKGROUND: In degenerative cervical myelopathy (DCM), the dynamics of disease progression and the outcome after surgical decompression vary interindividually and do not necessarily correlate with radiological findings. OBJECTIVE: To improve diagnostic power in DCM by better characterization of the underlying pathophysiology using navigated transcranial magnetic stimulation (nTMS). METHODS: Eighteen patients with DCM due to cervical spinal canal stenosis were examined preoperatively with nTMS...
November 18, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29145512/impact-of-the-surgical-strategy-on-the-incidence-of-c5-nerve-root-palsy-in-decompressive-cervical-surgery
#2
Theresa Krätzig, Malte Mohme, Klaus C Mende, Sven O Eicker, Frank W Floeth
OBJECTIVE: Our aim was to identify the impact of different surgical strategies on the incidence of C5 palsy. BACKGROUND: Degenerative cervical spinal stenosis is a steadily increasing morbidity in the ageing population. Postoperative C5 nerve root palsy is a common complication with severe impact on the patients´ quality of life. METHODS: We identified 1708 consecutive patients who underwent cervical decompression surgery due to degenerative changes...
2017: PloS One
https://www.readbyqxmd.com/read/29101465/changes-in-cervical-motion-after-cervical-spinal-motion-preservation-surgery
#3
Chi Heon Kim, Tae Hyun Park, Chun Kee Chung, Kyoung-Tae Kim, Yun Hee Choi, Seok-Won Chung
BACKGROUND: For patients with single-level cervical radiculopathy, various types of motion preservation surgeries, such as total disc replacement (TDR), posterior cervical foraminotomy (PCF) and posterior percutaneous endoscopic foraminotomy and discectomy (PECF), are available. In addition to motion preservation, the quality of motion is an important issue. The aim of the present study was to evaluate the influence of these surgeries on cervical motion by comparing the instantaneous axis of rotation (IAR) among PECF, TDR and PCF at the index and superior/inferior adjacent segments...
November 3, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29079071/occult-spinal-cord-injury-after-blunt-force-trauma-in-a-patient-with-achondroplasia-a-case-report-and-review-of-trauma-management-strategy
#4
Martin Huecker, Zach Harris, Eric Yazel
BACKGROUND: Achondroplastic dwarfism is associated with anatomic abnormalities that can predispose to occult injury and challenges in trauma management. Airway anatomy is problematic due to macrocephaly, midface hypoplasia, and a narrow nasopharynx. Manipulation of the neck is very dangerous due to the high likelihood of preexisting cervicomedullary stenosis. Restrictive lung disease and obstructive sleep apnea may complicate respiratory status. Peripheral and central venous access can be difficult to obtain...
October 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29066098/brown-s%C3%A3-quard-syndrome-and-cervical-post-traumatic-subarachnoid-hematoma
#5
Fernando Rascón-Ramírez, Josué M Avecillas-Chasín, Albert Trondin, M Javier Arredondo
Cervical Traumatic SSH are very rare in literature. They are usually caused by cardiopulmonary diseases that increase vascular pressure causing spinal vessels rupture. In thoracolumbar spine, the spinal puncture is the most common cause. The ventrolateral position is even more unusual. In traumatic brain injury (TBI), an abrupt extension-flexion movement could have caused the rupture of subarachnoid vessels. This, accompanied by the slowed blood "wash out" (probably due to the previous osteoarthrosis and spinal canal stenosis), led to the formation of an organized clot, which caused an acute spinal cord compression syndrome...
October 20, 2017: Neurocirugía
https://www.readbyqxmd.com/read/29057363/congenital-malformed-posterior-arch-of-atlas-with-fusion-defect-a-case-of-developmental-canal-stenosis-causing-cervical-myelopathy
#6
Siddharth Shah, Samir Dalvie, Ravi Ranjan Rai
Congenital anomalies of the posterior arch of the atlas (PAA) are usually asymptomatic and diagnosed incidentally. Very rarely, they present with cervical myelopathy, usually being associated with partial aplasia or agenesis of PAA. We describe a 44-year-old lady with cervical myelopathy secondary to a malformed PAA with developmental atlas-level spinal stenosis and a congenital posterior fusion defect with persistent midline cleft showing significant non-osseous fibro-cartilaginous hypertrophy, causing critical cord compression...
September 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29056776/cervical-spine-instability-in-the-course-of-rheumatoid-arthritis-imaging-methods
#7
REVIEW
Małgorzata Mańczak, Robert Gasik
Cervical spine is affected in more than a half of patients with rheumatoid arthritis (RA). Depending on the degree of damage to the individual joints and ligaments RA-related cervical spine instability takes the form of atlanto-axial subluxation, subaxial subluxation or cranial settling. In the advanced cases spinal stenosis can occur as well as spinal cord injuries with typical neurological symptoms. The identification of patients with cervical spine instability before the occurrence of neurological complications still constitutes a diagnostic challenge...
2017: Reumatologia
https://www.readbyqxmd.com/read/29038083/reversible-parkinson-like-symptoms-in-a-patient-with-bilateral-chronic-subdural-hematomas-and-cervical-spinal-stenosis
#8
Kern H Guppy, Suketu M Khandhar, Calvin Ochi
No abstract text is available yet for this article.
October 13, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29027895/changes-in-foraminal-area-with-anterior-decompression-versus-keyhole-foraminotomy-in-the-cervical-spine-a-biomechanical-investigation
#9
Jacqueline Nguyen, Bryant Chu, Calvin C Kuo, Jeremi M Leasure, Christopher Ames, Dimitriy Kondrashov
OBJECTIVE Anterior cervical discectomy and fusion (ACDF) with or without partial uncovertebral joint resection (UVR) and posterior keyhole foraminotomy are established operative procedures to treat cervical disc degeneration and radiculopathy. Studies have demonstrated reliable results with each procedure, but none have compared the change in neuroforaminal area between indirect and direct decompression techniques. The purpose of this study was to determine which cervical decompression method most consistently increases neuroforaminal area and how that area is affected by neck position...
October 13, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29017298/space-available-for-the-cervical-spinal-cord-of-asymptomatic-adult-nigerians
#10
Chika Anele Ndubuisi, Wilfred C Mezue, Samuel C Ohaegbulam
OBJECTIVE: The space available for the spinal cord (SAC) is a measure of spinal cord functional reserve and may vary in different societies. The objective of this study is to measure normal SAC at each subaxial cervical disc level of asymptomatic adult Nigerians and to compare obtained values with published studies worldwide. METHODS: This is a prospective, cross-sectional study using magnetic resonance imaging facility at Memfys Hospital Enugu, from 2012 to 2013...
September 2017: Korean Journal of Spine
https://www.readbyqxmd.com/read/28993290/spinal-cord-injury-associated-with-cervical-spinal-canal-stenosis-outcomes-and-prognostic-factors
#11
Y Ronzi, B Perrouin-Verbe, O Hamel, R Gross
OBJECTIVES: To specify outcomes and identify prognostic factors of neurologic and functional recovery in patients with an acute traumatic spinal cord injury (SCI) associated with cervical spinal canal stenosis (SCS), without spinal instability. METHODS: A retrospective study was conducted using data from a Regional Department for SCI rehabilitation in France. A description of the population characteristics, clinical data and neurological and functional outcomes of all patients treated for acute SCI due to cervical trauma associated with SCS was performed...
October 6, 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28986691/spinal-motion-preservation-surgery-indications-and-applications
#12
REVIEW
Ioannis D Gelalis, Dimitrios V Papadopoulos, Dionysios K Giannoulis, Andreas G Tsantes, Anastasios V Korompilias
Fusion is one of the most commonly performed spinal procedures, indicated for a wide range of spinal problems. Elimination of motion though results in accelerated degeneration of the adjacent level, known as adjacent level disease. Motion preservation surgical methods were developed in order to overcome this complication. These methods include total disc replacement, laminoplasty, interspinous implants and dynamic posterior stabilization systems. The initial enthusiasm about these methods was followed by certain concerns about their clinical usefulness and their results...
October 6, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28976477/diagnostic-value-of-magnetic-resonance-neurography-in-cervical-radiculopathy-plexus-patterns-and-peripheral-nerve-lesions
#13
Daniel Schwarz, Henrich Kele, Moritz Kronlage, Tim Godel, Tim Hilgenfeld, Martin Bendszus, Philipp Bäumer
OBJECTIVE: The aim of this study was to assess the imaging appearance and diagnostic value of plexus and peripheral nerve magnetic resonance neurography (MRN) in cervical radiculopathy. MATERIALS AND METHODS: This prospective study was approved by our institutional ethics committee and written informed consent was obtained from all participants. A total of 24 patients were included with a diagnosis of cervical radiculopathy based on clinical examination, supporting electrophysiological examinations and spinal imaging consistent with the clinical syndrome...
October 2, 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28973650/bupivacaine-field-block-with-clonidine-for-postoperative-pain-control-in-posterior-spine-approaches-a-randomized-double-blind-trial
#14
Joe Abdel Hay, Sandra Kobaiter-Maarrawi, Patrick Tabet, Ronald Moussa, Tony Rizk, Georges Nohra, Nabil Okais, Elie Samaha, Jospeh Maarrawi
BACKGROUND: The synergistic effect of clonidine with bupivacaine, well established in peripheral nerve blocks, remains controversial in local field block for postoperative analgesia. OBJECTIVE: To investigate the potential analgesic benefit of adding clonidine to bupivacaine during preincisional field block in posterior approaches for spine surgeries. METHODS: Two hundred twenty-five patients were enrolled in this study and underwent lumbar spinal fusion (n = 80), lumbar laminectomy (n = 25), lumbar microdiscectomy (n = 94), or cervical laminectomy (n = 26)...
July 21, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28971161/controversies-in-the-differential-diagnosis-of-brown-sequard-syndrome-due-to-cervical-spinal-disease-from-stroke-a-case-series
#15
REVIEW
Vaner Koksal, Ozcan Yavasi
Stroke is generally considered to be the first preliminary diagnosis in patients presenting with acute hemiparesia in the emergency department. But rarely in unexpected spontaneous neurological pathologies that may lead to hemiparesis. The data from 8 non-traumatic patients who underwent surgical treatment for brown-sequard syndrome (BSS) were reviewed retrospectively. All patients were initially misdiagnosed with strokes. Two of the patients had spinal canal stenosis, two had spinal epidural hematomas, one had an ossified herniated disc and three had soft herniated discs...
September 2017: Turkish Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28962959/effect-of-interlaminar-epidural-steroid-injection-in-patients-with-central-cervical-spinal-stenosis
#16
Dong Gyu Lee, Min Cheol Chang
OBJECTIVE: The authors investigated the effect of interlaminar ESI for the management of central cervical spinal stenosis-induced posterior neck pain. METHODS: Forty-five patients with posterior neck pain caused by central cervical spinal stenosis were recruited retrospectively. For the ESI procedure, a 21-g Touhy needle was inserted into the epidural space between C7 and T1, and 20 mg (40 mg/mL) of dexamethasone with 4 mL of normal saline was injected. The effect of the procedure was evaluated using a numerical rating scale (NRS) at 1, 2, and 3 months after the procedure...
September 26, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28944948/use-and-modifications-of-cervical-and-upper-thoracic-laminar-screws-in-posterior-stabilization
#17
Burak Eren, Azmi Tufan, Feyza Karagöz Güzey, İlker Güleç, Abdurrahim Taş, Özgür Yusuf Aktaş, Mustafa Safi Vatansever, Ebru Doruk, Murat Yücel, Mustafa Örnek
AIM: Laminar screw technique is used to stabilize C2 and other levels when other techniques cannot be performed. MATERIAL AND METHODS: The patients underwent laminar screws at cervical and upper thoracic levels in our clinic during 5 yearswere evaluated retrospectively. RESULTS: In 25 patients, 6 to 82 years old,total 54 laminar screws were used. Most frequent diagnoses were cervical spinal stenosis and craniovertebraljunction anomalies.There were handicaps to perform other type of screwsin 19 out of 25 screws during first 4 years, and 9 out of 29 in the last year (p=0...
July 16, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28937465/treatment-of-cervicogenic-headache-concurrent-with-cervical-stenosis-by-anterior-cervical-decompression-and-fusion
#18
Hong Liu, Avraam Ploumis, Shijun Wang, Chunde Li, Hong Li
STUDY DESIGN: Retrospective study. OBJECTIVE: To report the efficacy of anterior cervical decompression and fusion surgery as treatment method for cervicogenic headache (CeH). SUMMARY OF BACKGROUND DATA: The exact diagnostic criteria and optimal treatment of CeH is still under investigation. METHODS: A total of 34 consecutive patients (mean age 55.8 y) with CeH (in addition to cervical stenosis symptomatology) resistant to nonoperative treatment were treated by anterior cervical decompression and fusion from 1 up to 3 levels and were followed for at least 1 year...
October 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28882602/neurosurgical-aspects-of-dialysis-related-spinal-amyloidosis-report-of-three-cases-and-a-review-of-the-literature
#19
M Dalolio, F Lucarella, P Rampini, G P Bulfamante, S Aldea, P Graveleau, S Gaillard, P Scarone
BACKGROUND AND PURPOSE: Osteoarticular manifestations of beta-2 microglobulin amyloidosis are often diagnosed in long-term dialyzed patients. However, spinal involvement is rare (10-25% of patients), and generally not associated with neurological deterioration. Compression of the spinal cord or roots is extremely rare, and probably under-recognized. METHODS: The authors describe three cases of spinal stenosis presenting with neurological signs in long-term dialyzed patients, prospectively collected over 2 years in two different institutions and treated by surgical decompression...
September 4, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28882525/multilevel-posterior-foraminotomy-with-laminoplasty-versus-laminoplasty-alone-for-cervical-spondylotic-myelopathy-with-radiculopathy-a-comparative-study
#20
Dong-Ho Lee, Jae Hwan Cho, Chang Ju Hwang, Choon Sung Lee, Chunghwan Kim, Jung-Ki Ha
BACKGROUND CONTEXT: Conventional laminoplasty is useful for expanding a stenotic spinal canal. However, it has limited use for the decompression of accompanying neural foraminal stenosis. As such, an additional posterior foraminotomy could be simultaneously applied, although this procedure carries a risk of segmental kyphosis and instability. PURPOSE: The aim of this study was to elucidate the long-term surgical outcomes of additional posterior foraminotomy with laminoplasty (LF) for cervical spondylotic myelopathy (CSM) with radiculopathy...
September 4, 2017: Spine Journal: Official Journal of the North American Spine Society
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