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https://www.readbyqxmd.com/read/28528478/the-diagnosis-and-management-of-a-vertebral-artery-loop-causing-cervical-radiculopathy
#1
L Wood, M Czyz, S Forster, Bronek M Boszczyk
BACKGROUND: Cervical radiculopathies are rarely caused by vertebral artery loop formation, which is estimated to be present in less than 3% of patients. It is uncertain what causes the loop formation: some propose an association with spondylotic changes or trauma, whilst others suggest hypertension and atherosclerosis may be responsible. CASE REPORT 1: A 35-year-old male patient presented with signs and symptoms of cervical radiculopathy that was not improved with anterior cervical discectomy and fusion surgery performed 2 years beforehand...
May 20, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28527929/new-predictors-of-complications-in-carotid-body-tumor-resection
#2
Gloria Y Kim, Peter F Lawrence, Rameen S Moridzadeh, Kate Zimmerman, Alberto Munoz, Kuauhyama Luna-Ortiz, Gustavo S Oderich, Juan de Francisco, Jorge Ospina, Santiago Huertas, Leonardo R de Souza, Thomas C Bower, Steven Farley, Hugh A Gelabert, Marcus R Kret, E John Harris, Giovanni De Caridi, Francesco Spinelli, Matthew R Smeds, Christos D Liapis, John Kakisis, Anastasios P Papapetrou, Eike S Debus, Christian-A Behrendt, Edgar Kleinspehn, Joshua D Horton, Firas F Mussa, Stephen W K Cheng, Mark D Morasch, Khurram Rasheed, Matthew E Bennett, Jean Bismuth, Alan B Lumsden, Christopher J Abularrage, Alik Farber
OBJECTIVE: This study examined the relationship between two new variables, tumor distance to base of skull (DTBOS) and tumor volume, with complications of carotid body tumor (CBT) resection, including bleeding and cranial nerve injury. METHODS: Patients who underwent CBT resection between 2004 and 2014 were studied using a standardized, multi-institutional database. Demographic, perioperative, and outcomes data were collected. CBT measurements were determined from computed tomography, magnetic resonance imaging, and ultrasound examination...
June 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28527784/phrenic-and-hypoglossal-nerve-activity-during-respiratory-response-to-hypoxia-in-6-ohda-unilateral-model-of-parkinson-s-disease
#3
Kryspin Andrzejewski, Krystyna Budzińska, Katarzyna Kaczyńska
AIMS: Parkinson's disease (PD) patients apart from motor dysfunctions exhibit respiratory disturbances. Their mechanism is still unknown and requires investigation. Our research was designed to examine the activity of phrenic (PHR) and hypoglossal (HG) nerves activity during a hypoxic respiratory response in the 6-hydroxydopamine (6-OHDA) model of PD. MAIN METHODS: Male adult Wistar rats were injected unilaterally with 6-OHDA (20μg) or the vehicle into the right medial forebrain bundle (MFB)...
May 17, 2017: Life Sciences
https://www.readbyqxmd.com/read/28527545/comparing-effects-of-two-different-types-of-nei-guan-acupuncture-stimulation-devices-in-reducing-postoperative-nausea-and-vomiting
#4
Hanna Oh, Bo Hwan Kim
PURPOSE: To compare the effects of a relief band using transcutaneous electrical nerve stimulation with a wrist band using acupressure on the Nei-Guan acupuncture point to relieve postoperative nausea and vomiting (PONV) in patients who had undergone gynecologic surgery. DESIGN: A double-blinded randomized controlled trial. METHODS: In total, 54 patients scheduled for gynecologic surgery under general anesthesia were included in this study...
June 2017: Journal of Perianesthesia Nursing: Official Journal of the American Society of PeriAnesthesia Nurses
https://www.readbyqxmd.com/read/28526487/ultrasound-guided-thoracic-paravertebral-injection-in-dogs-a-cadaveric-study
#5
Diego A Portela, Luis Campoy, Pablo E Otero, Manuel Martin-Flores, Robin D Gleed
OBJECTIVE: To describe ultrasound-visualized anatomy and the spread characteristics of a dye injected in the thoracic paravertebral (TPV) space under ultrasound guidance. STUDY DESIGN: Anatomic cadaver study. ANIMALS: Seven dog cadavers. METHODS: One cadaver was used to observe, identify, and describe the relevant TPV anatomy. In the remaining six, the left fifth TPV space was randomly assigned to be injected with either a low volume (LV; 0...
February 16, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28526166/transhumeral-anterior-radial-nerve-transposition-to-simplify-anticipated-future-humeral-reconstruction
#6
REVIEW
David A Muzykewicz, Reid A Abrams
Anterior transhumeral radial nerve transposition has been described in the treatment of humeral shaft fracture to protect the nerve from implant irritation or callus entrapment. Transposing the radial nerve through a facilitating humeral defect also simplifies revision surgery should nonunion result. Here we describe a surgical technique for anterior transhumeral radial nerve transposition for complex humeral reconstruction when subsequent revision surgery is anticipated. Three cases are used for illustration: (1) revision of a total elbow arthroplasty with periprosthetic fracture; (2) revision of a total elbow arthroplasty after aseptic loosening from an allograft/prosthesis composite; and (3) septic humeral nonunion with substantial bone loss...
May 16, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28525514/perineural-dexmedetomidine-is-more-effective-than-clonidine-when-added-to-local-anesthetic-for-supraclavicular-brachial-plexus-block-a-systematic-review-and-meta-analysis
#7
Kariem El-Boghdadly, Richard Brull, Herman Sehmbi, Faraj W Abdallah
BACKGROUND: Clonidine, an α-2 agonist, has long been used as a local anesthetic adjunct with proven efficacy to prolong peripheral nerve block duration. Dexmedetomidine, a newer α-2 agonist, has a more favorable pharmacodynamic and safety profile; however, data comparing its efficacy as an adjunct to that of clonidine are inconsistent. We sought to compare the clinical efficacy of these 2 α-2 agonists by examining their effects on peripheral nerve block characteristics for upper extremity surgery...
June 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28525466/facet-preserving-technique-by-en-bloc-flavectomy-in-microscopic-posterior-decompression-surgery-for-lumbar-spinal-stenosis-semicircumferential-decompression-scd
#8
Yasushi Fujiwara, Hideki Manabe, Tadayoshi Sumida, Bunichiro Izumi, Kazuyoshi Nakanishi, Nobuhiro Tanaka, Nobuo Adachi
Posterior decompression surgery which enlarges the spinal canal in cases with lumbar spinal stenosis is the most fundamental technique in spine surgery, but controversy still remains for the exact technique. Because nerve roots run under the ventral side on the superior articular process (SAP), achieving both facet joint preservation and nerve root decompression is problematic. In conventional laminotomies or laminectomies, medial facetectomies are performed to decompress the nerve root, but it is ideal to preserve the facet joints completely for preserving joint stability...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28524797/the-relationship-of-dose-to-nerve-volume-in-predicting-pain-recurrence-after-stereotactic-radiosurgery-in-trigeminal-neuralgia
#9
Amparo Wolf, Amy Tyburczy, Jason Chao Ye, Girish Fatterpekar, Joshua S Silverman, Douglas Kondziolka
OBJECTIVE Approximately 75%-92% of patients with trigeminal neuralgia (TN) achieve pain relief after Gamma Knife surgery (GKS), although a proportion of these patients will experience recurrence of their pain. To evaluate the reasons for durability or recurrence, this study determined the impact of trigeminal nerve length and volume, the nerve dose-volume relationship, and the presence of neurovascular compression (NVC) on pain outcomes after GKS for TN. METHODS Fifty-eight patients with 60 symptomatic nerves underwent GKS for TN between 2013 and 2015, including 15 symptomatic nerves secondary to multiple sclerosis (MS)...
May 19, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28524140/-influence-of-endothelial-graft-thickness-on-postoperative-visual-acuity
#10
S V Trufanov, S A Malozhen, V I Siplivyy, E P Salovarova
AIM: to assess the influence of the endothelial graft thickness on postoperative visual acuity following modified endothelial keratoplasty (UTDSAEK). MATERIAL AND METHODS: The study included 49 patients with pseudophakic bullous keratopathy and no concomitant disorders of either the retina or optic nerve. Ultrathin Descemet's stripping automated endothelial keratoplasty (UTDSAEK) was performed in all cases. Corneal graft thickness was measured 1 year after UTDSAEK by means of optical coherence tomography...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28524136/-clinical-evaluation-of-the-effectiveness-of-cholinesterase-inhibition-with-neuromidin-in-the-treatment-of-primary-glaucoma-patients
#11
I A Zakharova, R V Avdeev, V A Pristavka, S N Surnin, V Yu Makhmutov, I I Savrasova
AIM: to investigate neuromidin effectiveness in the treatment of patients with primary glaucoma and compensated intraocular pressure (IOP). MATERIAL AND METHODS: A total of 40 patients (80 eyes) were examined. Of them, 10 eyes with early glaucoma, 36 eyes with moderate-stage glaucoma, 33 eyes with advanced glaucoma, and 1 eye with end-stage glaucoma. In 19 eyes, IOP was controlled through beta-blockers, in 11 eyes - through carbonic anhydrase inhibitors, in 10 eyes - through prostaglandin analogues, and in 39 eyes - through combination drugs...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28524127/-an-acute-subdural-hematoma-caused-by-rupture-of-a-middle-cerebral-artery-aneurysm
#12
R S Dzhindzhikhadze, O N Dreval', V A Lazarev, R L Kambiev
Acute subdural hematoma caused by cerebral aneurysm rupture is rare. We describe a clinical case of an acute subdural hematoma developed due to rupture of an aneurysm at the M1 segment bifurcation of the middle cerebral artery (MCA). The acute subdural hematoma associated with intracranial hypertension and transtentorial herniation resulted in a comatose condition. The patient underwent decompressive craniectomy, hematoma removal, and clipping of the aneurysm. A significant improvement was observed in the postoperative period...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28524125/-surgical-management-of-venous-compression-causing-trigeminal-neuralgia
#13
V K Poshataev, A N Konovalov, V N Shimanskiy
Venous compression is a rare cause of trigeminal neuralgia (TN). Vascular decompression of the trigeminal nerve root, as the only etiopathogenetic treatment of trigeminal neuralgia, is a well-known procedure that is extensively used at various neurosurgical clinics. As the number of interventions for TN increases, the absolute number of surgeries for eliminating venous compression of the trigeminal nerve also grows. Five hundred TN patients underwent surgery at the Neurosurgical Institute in the period from 2000 to 2015...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28524121/-the-use-of-high-flow-extracranial-intracranial-artery-bypass-in-pathology-of-the-cerebral-and-brachiocephalic-arteries-technical-features-and-surgical-outcomes
#14
A V Dubovoy, K S Ovsyannikov, V E Guzhin, A V Cherepanov, D M Galaktionov, A M Perfil'ev, A O Sosnov
BACKGROUND: Poor outcomes of surgical treatment for complex cerebral aneurysms due to the development of cerebral ischemia were the cause to use cerebral revascularization surgery for this pathology. OBJECTIVE: the study objective was to master a high-flow extracranial-intracranial (EC-IC) artery bypass technique and evaluate its application in surgical treatment of complex and giant cerebral aneurysms as well as complex lesions of the brachiocephalic arteries. MATERIAL AND METHODS: Fifty two patients underwent high-flow IC-EC bypass surgery; of these, 34 patients had complex cerebral aneurysms, and 18 patients had complex stenotic occlusive lesions of the brachiocephalic arteries...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28523516/pre-operative-screening-and-manual-drilling-strategies-to-reduce-the-risk-of-thermal-injury-during-minimally-invasive-cochlear-implantation-surgery
#15
Neal P Dillon, Loris Fichera, Kyle Kesler, M Geraldine Zuniga, Jason E Mitchell, Robert J Webster, Robert F Labadie
This article presents the development and experimental validation of a methodology to reduce the risk of thermal injury to the facial nerve during minimally invasive cochlear implantation surgery. The first step in this methodology is a pre-operative screening process, in which medical imaging is used to identify those patients that present a significant risk of developing high temperatures at the facial nerve during the drilling phase of the procedure. Such a risk is calculated based on the density of the bone along the drilling path and the thermal conductance between the drilling path and the nerve, and provides a criterion to exclude high-risk patients from receiving the minimally invasive procedure...
May 18, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28523362/transoral-endoscopic-thyroidectomy-our-initial-experience-using-a-new-endoscopic-technique
#16
Jun-Ook Park, Dong-Il Sun
BACKGROUND: A transoral approach has been experimentally introduced to the field of thyroid surgery and several groups in Asia have recently used the technique to treat patients. We performed transoral endoscopic thyroidectomies on patients with thyroid cancer or a benign tumor. METHODS: We reviewed the medical records of patients who underwent transoral endoscopic thyroid surgery between July 2016 and January 2017. A midline incision was made in the vestibule, and a 10 mm cannula was placed; then, the working space was widened by insufflating CO2 at a pressure of 5-6 mmHg...
May 18, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28523132/uniportal-transcervical-video-assisted-thoracoscopic-surgery-vats-approach-for-pulmonary-lobectomy-combined-with-transcervical-extended-mediastinal-lymphadenectomy-temla
#17
Marcin Zieliński, Mariusz Rybak, Katarzyna Solarczyk-Bombik, Michal Wilkojc, Wojciech Czajkowski, Sylweriusz Kosinski, Edward Fryzlewicz, Tomasz Nabialek, Juliusz Pankowski
BACKGROUND: To present the technique of uniportal transcervical video-assisted thoracoscopic surgery (VATS) approach for pulmonary lobectomy combined with transcervical extended mediastinal lymphadenectomy (TEMLA). METHODS: Transcervical extended approach utilizes a typical a 5-8 centimeters collar incision in the neck. The critical technical point enabling a wide access to the chest is an elevation of the sternal manubrium with a special retractor (modified Rochard frame, Asculap-Chifa Company)...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28521852/upper-limb-nerve-transfers-a-review
#18
A Forli, M Bouyer, M Aribert, C Curvale, M Delord, D Corcella, F Moutet
While upper limb nerve transfers were first described and performed several years ago, they have seen expanded use in the past 20 years. Initially indicated for surgical repair of brachial plexus injuries with nerve root avulsion, the indications have been extended to post-ganglionic lesions because of the excellent results of certain intraplexus nerve transfers. The traditional nerve repair techniques - primary suture and nerve grafting - form the basis of nerve surgery. Although nerve transfer does not replace them, they are a useful supplement as they provide a targeted approach to reinnervation and recovery of key functions of the upper limb...
June 2017: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/28521402/imaging-characteristics-and-surgical-treatment-of-invasive-meningioma
#19
Weina Hou, Yongqian Ma, Hongshun Xing, Yuehui Yin
In order to provide an effective way to prevent or substantially delay the recurrence of invasive meningioma, and improve the curative effect of surgical treatment, we collected and analyzed the clinical manifestations, pathological features, preoperative imaging characteristics as well the data obtained during the surgical treatment of invasive meningioma. From February 2014 to February 2016, 59 patients with invasive meningioma were enrolled in this study. Invasive meningioma was confirmed in all patients by operation...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28521343/tarlov-cyst-causing-sacral-insufficiency-fracture
#20
Ross C Puffer, Marcus J Gates, William Copeland, William E Krauss, Jeremy Fogelson
BACKGROUND AND IMPORTANCE: Tarlov cysts, also known as perineural cysts, have been described as meningeal dilations of the spinal nerve root sheath between the peri- and endoneurium at the dorsal root ganglion. Most often they are found in the sacrum involving the nerve roots. Normally asymptomatic, they have been reported to present with radiculopathy, paresthesias, and even urinary or bowel dysfunction. Sacral insufficiency has not been a well-documented presentation. CLINICAL PRESENTATION: The patient is a 38-year-old female who started to develop left low back pain and buttock pain that rapidly progressed into severe pain with some radiation down the posterior aspect of her left leg...
June 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
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