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Ultrasound and nerve

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https://www.readbyqxmd.com/read/28527929/new-predictors-of-complications-in-carotid-body-tumor-resection
#1
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/28526487/ultrasound-guided-thoracic-paravertebral-injection-in-dogs-a-cadaveric-study
#2
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/28524416/diagnostic-ultrasound-of-the-vagus-nerve-in-patients-with-diabetes
#3
Eman A Tawfik, Francis O Walker, Michael S Cartwright, Rana A El-Hilaly
BACKGROUND AND PURPOSE: Autonomic neuropathy is a serious and common complication of diabetes mellitus. The vagus nerve is the longest autonomic nerve, and may be affected in diabetes as a part of generalized neuropathy. Our objective was to assess for possible sonographic changes of the vagus nerve in diabetic patients. METHODS: The vagus nerve was bilaterally scanned in 20 healthy volunteers and 54 patients with diabetes in the axial plane at the lateral neck...
May 19, 2017: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/28524060/high-frequency-ultrasound-imaging-of-cutaneous-neurofibroma-in-patients-with-neurofibromatosis-type-i
#4
Delphine Raffin, Julia Zaragoza, Gabriella Georgescou, Youssef Mourtada, Annabel Maruani, Frédéric Ossant, Frédéric Patat, Loïc Vaillant, Laurent Machet
Neurofibromas (NFs) are benign tumours arising from a nerve sheath, which are present in nearly all patients with neurofibromatosis type 1 (NF1). High-frequency ultrasound (HFU) systems, using frequencies over 20 MHz, were developed to improve visualization of skin tumours by means of increased resolution. To describe NFs by using HFU in patients with NF1. Anonymized HFU (25-MHz) images of NFs were randomized. Initially, two dermatologist investigators, with experience in HFU imaging of the skin, together described the ultrasound images and established eight criteria for NFs...
May 19, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28523127/high-intensity-focused-ultrasound-hifu-ablation-of-benign-thyroid-nodules-a-systematic-review
#5
REVIEW
Brian Hung-Hin Lang, Arnold L H Wu
BACKGROUND: With an increasing number of imaging studies being done nowadays, the number of incidentally discovered thyroid nodules is expected to rise. Although many of these nodules are small and benign in nature, some do grow and may cause pressure and/or thyrotoxic symptoms. Surgical resection has traditionally been recommended for symptomatic nodules but is associated with risk of hypothyroidism, bleeding, infection, and nerve damage. High intensity focused ultrasound (HIFU) is one of the non-surgical thermal ablation techniques that may serve as an alternative in the treatment of benign thyroid nodules...
2017: Journal of Therapeutic Ultrasound
https://www.readbyqxmd.com/read/28522988/multiple-sites-ultrasonography-of-peripheral-nerves-in-differentiating-charcot-marie-tooth-type-1a-from-chronic-inflammatory-demyelinating-polyradiculoneuropathy
#6
Jingwen Niu, Liying Cui, Mingsheng Liu
INTRODUCTION: Multiple sites measurement of cross-sectional areas (CSA) by ultrasound was performed to differentiate Charcot-Marie-Tooth type 1A (CMT1A) and chronic inflammatory demyelinating polyradiculoneuropathy (CIDP). METHODS: Nine patients with CMT1A, 28 patients with CIDP, and 14 healthy controls (HC) were recruited prospectively. Consecutive ultrasonography scanning was performed from wrist to axilla on median and ulnar nerves. CSAs were measured at 10 predetermined sites of each nerve...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28522759/effect-of-cyclooxygenase-inhibition-on-the-inspiratory-muscle-metaboreflex-induced-cardiovascular-consequences-in-men
#7
Joshua R Smith, Kaylin D Didier, Shane M Hammer, Andrew M Alexander, Stephanie P Kurti, Steven W Copp, Thomas J Barstow, Craig A Harms
Inspiratory muscle metaboreflex activation increases mean arterial pressure (MAP) and limb vascular resistance (LVR) and decreases limb blood flow (Q̇L). Cyclooxygenase (COX) inhibition has been found to attenuate limb skeletal muscle metaboreflex-induced increases in muscle sympathetic nerve activity. We hypothesized that compared to placebo (PLA), COX inhibition would attenuate inspiratory muscle metaboreflex-induced 1) increases in MAP and LVR and 2) decreases in Q̇L Seven men (22±1 years) were recruited and orally consumed ibuprofen (IB, 10mg/kg) or PLA 90 min prior to performing the cold pressor test (CPT) for 2 min and inspiratory resistive breathing task (IRBT) for 14...
May 18, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28521352/letter-preoperative-ultrasound-guided-wire-localization-of-the-lateral-femoral-cutaneous-nerve
#8
Amgad Hanna
No abstract text is available yet for this article.
June 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28521342/preoperative-ultrasound-guided-wire-localization-of-the-lateral-femoral-cutaneous-nerve
#9
Amgad S Hanna, Mark E Ehlers, Kenneth S Lee
BACKGROUND: Difficulty and sometimes inability to find the lateral femoral cutaneous nerve (LFCN) intraoperatively is well known. Variabilities in the course of the nerve are well documented in the literature. In a previous paper, we defined a tight fascial canal that completely surrounds the LFCN in the proximal thigh. These 2 factors sometimes render finding the nerve intraoperatively, to treat meralgia paresthetica, very challenging. OBJECTIVE: To explore the use of preoperative ultrasound to minimize operative time and eliminate situations in which the nerve is not found...
June 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28514510/injury-to-the-infrapatellar-branch-of-the-saphenous-nerve-during-tendon-graft-harvesting-for-knee-ligament-reconstruction-an-ultrasound-simulation-study
#10
Przemysław A Pękala, Ewa Miza, Brandon Michael Henry, Patrick Popieluszko, Marios Loukas, Krzysztof A Tomaszewski
INTRODUCTION: The clinical anatomy of the infrapatellar branch of the saphenous nerve (IPBSN) is of particular importance during operations in the area of the knee, especially when material for anterior cruciate ligament reconstruction is harvested. The nerve can easily be injured during the harvesting procedure, leading to postoperative complications that reduce quality of life. Three different skin incisions are commonly used during hamstring tendon harvesting: horizontal, vertical, and oblique...
May 17, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28509777/ultrasound-guided-percutaneous-cryoneurolysis-for-acute-pain-management-a-case-report
#11
Rodney A Gabriel, John J Finneran, Deepa Asokan, Andrea M Trescot, NavParkash S Sandhu, Brian M Ilfeld
We report 3 different cases in which ultrasound-guided percutaneous cryoneurolysis was performed to treat acute pain: 1 patient with refractory incisional pain after percutaneous nephrolithotomy; 1 patient with burns to the foot; and 1 patient with pain from iliac crest grafting. Acute pain associated with surgery or injury is a challenge to treat with local anesthetic-based regional anesthesia techniques when the anticipated pain duration exceeds a few days. Cryoneurolysis is an alternative analgesic method that utilizes extremely cold temperatures to reversibly ablate peripheral nerves and is potentially a novel method for acute pain management...
May 12, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28506418/timing-and-extension-of-lymphadenectomy-in-medullary-thyroid-carcinoma-a-case-series-from-a-single-institution
#12
Andrea Polistena, Alessandro Sanguinetti, Roberta Lucchini, Sergio Galasse, Massimo Monacelli, Stefano Avenia, Andrea Boccolini, Louis Banka Johnson, Nicola Avenia
BACKGROUND: Medullary thyroid carcinoma is an aggressive tumor and presents with significant morbidity and mortality and a high rate of lymph node metastases. The combination of total thyroidectomy and cervical lymphadenectomy is the essential treatment for those patients presenting with cervical lymph node metastases. MATERIALS AND METHODS: A retrospective analysis of 117 patients operated for medullary thyroid carcinoma over a period of 15 years at a single institution...
May 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28503463/optimal-radial-motor-nerve-conduction-study-using-ultrasound-in-healthy-adults
#13
Jungho Yeo, Yuntae Kim, Sooa Kim, Kiyoung Oh, Hyungdong Kang
OBJECTIVE: To obtain reference values, to suggest optimal recording and stimulation site for radial motor nerve conduction study (RmNCS), and to analyze the correlation among RmNCS parameters, demographics and ultrasonography (US) findings. METHODS: A total of 55 volunteers participated in this study. We hypothesized that 'lateral edge of spiral groove (A)' was the optimal stimulation site, and the 'largest cross-sectional area (CSA) of extensor indicis proprius (EIP) muscle (B)' was the optimal recording site...
April 2017: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28500566/an-update-on-addressing-important-peripheral-nerve-problems-challenges-and-potential-solutions
#14
Wilson Z Ray, Mark A Mahan, Danzhu Guo, Danqing Guo, Michel Kliot
From time to time it is thoughtful and productive to review a medical field and reflect upon what are the major issues that need to be addressed and what is being done to do so. This review article is not meant to be all-inclusive but rather focuses on four evolving areas in the field of peripheral nerve disorders and treatments: (1) nerve surgery under ultrasound guidance using a new ultra-minimally invasive thread technique; (2) evolving magnetic resonance imaging (MRI) and ultrasound imaging techniques that are helping to both diagnose and treat a variety of peripheral nerve problems including entrapment neuropathies, traumatic nerve injuries, and masses arising from nerves; (3) promoting recovery after nerve injury using electrical stimulation; and (4) developing animal models to reproduce a severe nerve injury (neurotmetic grade in continuity) that requires a surgical intervention and repair...
May 12, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28498208/transient-nerve-damage-after-microfocused-ultrasound-with-visualization
#15
Kirsten Marr, Jean D A Carruthers, Shannon Humphrey
No abstract text is available yet for this article.
May 10, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28497932/individual-duration-of-axillary-brachial-plexus-block-is-unpredictable-a-prospective-double-centred-observational-study
#16
Wouter Droog, D-Yin Lin, José S Huisman, Fleur A Franssen, G Peter van Aggelen, J Henk Coert, Eilish M Galvin
BACKGROUND: The duration of effect for axillary plexus block using ropivacaine is highly variable. The available literature does not offer any plausible means of predicting time of block offset for individual patients, making it difficult to give accurate information and plan postoperative analgesics. This study was designed to identify factors influencing axillary plexus block offset time. METHODS: A total of 92 patients participated in this prospective double centred observational study...
May 12, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28493931/asymptomatic-carotid-artery-stenosis-and-retinal-nerve-fiber-layer-thickness-a-community-based-observational-study
#17
Dandan Wang, Yang Li, Yong Zhou, Cheng Jin, Qi Zhao, Anxin Wang, Shouling Wu, Wen Bin Wei, Xingquan Zhao, Jost B Jonas
PURPOSE: To examine whether an abnormally thin retinal nerve fiber layer (RNFL) is associated with cerebrovascular insufficiency. DESIGN: Community-based study. METHODS: The Asymptomatic Polyvascular Abnormalities in Community Study included Chinese aged 40+ years and without histories of cerebrovascular incidents or coronary heart disease. Using transcranial Doppler and carotid duplex ultrasound examination, we assessed presence and degree of an intracranial arterial stenosis (ICAS) and extracranial carotid arterial stenosis (ECAS) and we measured the RNFL thickness by spectral-domain optical coherence tomography...
2017: PloS One
https://www.readbyqxmd.com/read/28493799/shear-wave-elastography-basic-physics-and-musculoskeletal-applications
#18
Mihra S Taljanovic, Lana H Gimber, Giles W Becker, L Daniel Latt, Andrea S Klauser, David M Melville, Liang Gao, Russell S Witte
In the past 2 decades, sonoelastography has been progressively used as a tool to help evaluate soft-tissue elasticity and add to information obtained with conventional gray-scale and Doppler ultrasonographic techniques. Recently introduced on clinical scanners, shear-wave elastography (SWE) is considered to be more objective, quantitative, and reproducible than compression sonoelastography with increasing applications to the musculoskeletal system. SWE uses an acoustic radiation force pulse sequence to generate shear waves, which propagate perpendicular to the ultrasound beam, causing transient displacements...
May 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28492904/screening-for-thyroid-cancer-updated-evidence-report-and-systematic-review-for-the-us-preventive-services-task-force
#19
Jennifer S Lin, Erin J Aiello Bowles, Selvi B Williams, Caitlin C Morrison
Importance: The incidence of detected thyroid cancer cases has been increasing in the United States since 1975. The majority of thyroid cancers are differentiated cancers with excellent prognosis and long-term survival. Objective: To systematically review the benefits and harms associated with thyroid cancer screening and treatment of early thyroid cancer in asymptomatic adults to inform the US Preventive Services Task Force. Data Sources: Searches of MEDLINE, PubMed, and the Cochrane Central Register of Controlled Trials for relevant studies published from January 1966 through January 2016, with active surveillance through December 2016...
May 9, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28484297/reliability-feasibility-and-value-of-ecography-in-clinical-functional-results-in-patients-affected-by-carpal-tunnel-syndrome-is-there-a-correlation
#20
Mattia Manni, Michele Bisaccia, Giuseppe Rinonapoli, Andrea Schiavone, Luigi Meccariello, Steven James Mccabe, Olga Bisaccia, Cristina Ibáñez Vicente, Andrea Cappiello, Auro Caraffa
BACKGROUND: The aim of this study was to evaluate how the ultrasound examination in the carpal tunnel diagnosis could contribute to the clinical and neurophysiological evaluation. This was done by evaluating the cross-sectional area (CSA) and its correlation with symptoms and functionality data assessed by the BTQC questionnaire. METHODS: 60 patients were subjected to open CTR for idiopathic carpal tunnel syndrome. The median nerve CSA was assessed both pre-operatively and in follow-up at 4 and 12 weeks...
March 2017: Acta Informatica Medica: AIM
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