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Ultrasound guided regional

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https://www.readbyqxmd.com/read/29652687/ultrasound-guided-transversalis-fascia-plane-block-an-alternative-approach-for-anesthesia-in-inguinal-herniorrhaphy-a-case-report
#1
Paolo Scimia, Erika Basso Ricci, Emiliano Petrucci, Astrid Ursula Behr, Franco Marinangeli, Pierfrancesco Fusco
Ultrasound (US)-guided transversalis fascia plane block (TFPB) was first described by Hebbard as a technique for blockade of T12-L1 nerves. Although this technique appears similar to the quadratus lumborum 1 block, the point of injection is more caudal and anterior, specifically targeting ilioinguinal and iliohypogastric nerves. There are only few published data on US-guided TFPB demonstrating effective postoperative analgesia in iliac crest bone graft harvesting. We report the use of US-guided TFPB in a patient undergoing inguinal herniorrhaphy...
April 15, 2018: A&A practice
https://www.readbyqxmd.com/read/29628564/comparison-of-magnesium-sulfate-and-dexmedetomidine-as-an-adjuvant-to-0-5-ropivacaine-in-infraclavicular-brachial-plexus-block
#2
Mohamed M Abu Elyazed, Mona M Mogahed
Background: Magnesium sulfate and dexmedetomidine were used as adjuvants to local anesthesia to improve the quality of regional anesthesia. Aims: The aim of this study is to evaluate and compare the effects of magnesium sulfate and dexmedetomidine when added to ropivacaine on the quality of infraclavicular brachial plexus block (BPB). Settings and Design: This was a prospective randomized double-blinded controlled study. Patients and Methods: A total of 105 adult patients undergoing surgery in hands, wrist, and forearm using infraclavicular BPB were randomly assigned into three groups...
January 2018: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29627083/high-frequency-quantitative-ultrasound-for-imaging-prostate-cancer-using-a-novel-micro-ultrasound-scanner
#3
Daniel Rohrbach, Brian Wodlinger, Jerrold Wen, Jonathan Mamou, Ernest Feleppa
Currently, biopsies guided by transrectal ultrasound (TRUS) are the only method for definitive diagnosis of prostate cancer. Studies by our group suggest that quantitative ultrasound (QUS) could provide a more sensitive means of targeting biopsies and directing focal treatments to cancer-suspicious regions in the prostate. Previous studies have utilized ultrasound signals at typical clinical frequencies, i.e., in the 6-MHz range. In the present study, a 29-MHz, TRUS, micro-ultrasound system and transducer (ExactVu micro-ultrasound, Exact Imaging, Markham, Canada) was used to acquire radio frequency data from 163 patients immediately before 12-core biopsy procedures, comprising 1956 cores...
April 4, 2018: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29622075/staging-lung-cancer-regional-lymph-node-classification
#4
REVIEW
Ahmed H El-Sherief, Charles T Lau, Brett W Carter, Carol C Wu
This article reviews regional lymph node assessment in lung cancer. In the absence of a distant metastasis, the absence or location of lung cancer spread to a regional mediastinal lymph node affects treatment options and prognosis. Regional lymph node maps have been created to standardize assessment of the N descriptor. The International Association for the Study of Lung Cancer lymph node map is used for the standardization of N descriptor assessment. CT, PET/CT with fluorodeoxyglucose, endobronchial ultrasound-guided and/or esophageal ultrasound-guided biopsy, and mediastinoscopy are common modalities used to determine the N descriptor...
May 2018: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/29610066/2-5-d-extended-field-of-view-ultrasound
#5
Qinghua Huang, Zhaozheng Zeng, Xuelong Li
Recently, the growing emphasis on medical ultrasound (US) has led to a rapid development of US extended field-of-view (EFOV) techniques. US EFOV techniques can be classified into three categories: 2-D US EFOV, 3-D US, and 3-D US EFOV. In this paper, we propose a novel EFOV method called 2.5-D US EFOV that combines both the advantages of the 2-D US EFOV and the 3-D US by generating a panorama on a curved image plane guided by a curved scanning trajectory of the US probe. In 2.5-D US EFOV, the real-time position and orientation of the US image plane can be recorded via an electromagnetic spatial sensor attached to the probe...
April 2018: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/29576126/investigation-into-the-visual-perceptive-ability-of-anaesthetists-during-ultrasound-guided-interscalene-and-femoral-blocks-conducted-on-soft-embalmed-cadavers-a-randomised-single-blind-study
#6
A Mustafa, J Seeley, S Munirama, M Columb, M McKendrick, A Schwab, G Corner, R Eisma, G Mcleod
BACKGROUND: Errors may occur during regional anaesthesia whilst searching for nerves, needle tips, and test doses. Poor visual search impacts on decision making, clinical intervention, and patient safety. METHODS: We conducted a randomised single-blind study in a single university hospital. Twenty trainees and two consultants examined the paired B-mode and fused B-mode and elastography video recordings of 24 interscalene and 24 femoral blocks conducted on two soft embalmed cadavers...
April 2018: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29570507/how-central-is-central-post-stroke-pain-the-role-of-afferent-input-in-post-stroke-neuropathic-pain-a-prospective-open-label-pilot-study
#7
Simon Haroutounian, Andria L Ford, Karen Frey, Lone Nikolajsen, Nanna B Finnerup, Alicia Neiner, Evan D Kharasch, Pall Karlsson, Michael M Bottros
Central post-stroke pain is a neuropathic pain disorder, the underlying mechanisms of which are not well understood. It has been suggested that stroke-associated loss of inhibitory neurons in the spinothalamic tract causes disinhibition of thalamic neurons, which autonomously generate ectopic nociceptive action potentials responsible for the pain experience. We hypothesized that central post-stroke pain is a result of misinterpretation of afferent sensory input by the sensitized neurons within the brain, rather than generated spontaneously by the damaged CNS neurons...
March 21, 2018: Pain
https://www.readbyqxmd.com/read/29570501/local-anesthetic-injection-speed-and-common-peroneal-nerve-block-duration-a-randomized-controlled-trial-in-healthy-volunteers
#8
Mikkel Herold Madsen, Claus B Christiansen, Christian Rothe, Asger M Andreasen, Lars H Lundstrøm, Kai H W Lange
BACKGROUND AND OBJECTIVES: The speed of local anesthetic (LA) injections in peripheral regional anesthesia ranges from slow continuous infusions (3-12 mL/h) to rapid manual injections (>7500 mL/h). Optimizing injection speed could augment the spread of LA toward the targeted nerves and influence nerve block characteristics. The objective of this study was to investigate whether injection speed of a single dose of LA affects peripheral nerve block duration. METHODS: After approval from the Danish Regional Scientific Ethics Committee, we enrolled 60 healthy adult volunteers...
March 22, 2018: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29561295/interfascial-plane-blocks-back-to-basics
#9
Hesham Elsharkawy, Amit Pawa, Edward R Mariano
Ultrasound-guided interfascial plane blocks are a recent development in modern regional anesthesia research and practice and represent a new route of transmission for local anesthetic to various anatomic locations, but much more research is warranted. Before becoming overtaken with enthusiasm for these new techniques, a deeper understanding of fascial tissue anatomy and structure, as well as precise targets for needle placement, is required. Many factors may influence the ultimate spread and quality of resulting interfascial plane blocks, and these must be understood in order to best integrate these techniques into contemporary perioperative pain management protocols...
March 20, 2018: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29545086/radioactive-seed-localisation-of-non-palpable-lymph-nodes-a-feasibility-study
#10
C M S Hassing, T F Tvedskov, N Kroman, T L Klausen, J B Drejøe, J F Tvedskov, T-L Lambine, H Kledal, G Lelkaitis, L Langhans
BACKGROUND: Radioactive seed localisation (RSL) is a preoperative localisation method using a small titanium seed containing iodine-125. The method is increasingly applied for localising non-palpable lesions in the treatment of breast cancer. We believe that RSL has the potential to be used in various surgical specialties. The aim of this feasibility study was to test RSL as a preoperative localisation of non-palpable lymph nodes. METHODS: Between November 24, 2015 and October 26, 2016, 15 patients with suspicious lymph nodes on imaging were included in the study...
March 6, 2018: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29541527/incorporation-of-an-ultrasound-and-model-guided-permissible-region-improves-quantitative-source-recovery-in-bioluminescence-tomography
#11
Baptiste Jayet, Stephen P Morgan, Hamid Dehghani
Bioluminescence imaging has shown great potential for studying and monitoring disease progression in small animal pre-clinical imaging. However, absolute bioluminescence source recovery through tomographic multi-wavelength measurements is often hindered through the lack of quantitative accuracy and suffers from both poor localisation and quantitative recovery. In this work a method to incorporate a permissible region strategy through not only a priori location (permissible region) but also based on a model of light propagation and hence light sensitivity is developed and tested using both simulations and experimental data...
March 1, 2018: Biomedical Optics Express
https://www.readbyqxmd.com/read/29540631/current-use-of-intracoronary-imaging-in-interventional-practice-results-of-a-european-association-of-percutaneous-cardiovascular-interventions-eapci-and-japanese-association-of-cardiovascular-interventions-and-therapeutics-cvit-clinical-practice-survey
#12
Konstantinos C Koskinas, Masato Nakamura, Lorenz Räber, Roisin Colleran, Kazushige Kadota, Davide Capodanno, William Wijns, Takashi Akasaka, Marco Valgimigli, Giulio Guagliumi, Stephan Windecker, Robert A Byrne
BACKGROUND: This study evaluated the views of the cardiology community on the clinical use of coronary intravascular imaging (IVI).Methods and Results:A web-based survey was distributed to 31,893 individuals, with 1,105 responses received (3.5% response rate); 1,010 of 1,097 respondents (92.1%) self-reported as interventional cardiologists, 754 (68.7%) with >10 years experience. Overall, 96.1% had personal experience with IVI (95.5% with intravascular ultrasound [IVUS], 69.8% with optical coherence tomography [OCT], and 7...
March 15, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29537966/current-use-of-intracoronary-imaging-in-interventional-practice-results-of-a-european-association-of-percutaneous-cardiovascular-interventions-eapci-and-japanese-association-of-cardiovascular-interventions-and-therapeutics-cvit-clinical-practice-survey
#13
Konstantinos C Koskinas, Masato Nakamura, Lorenz Räber, Roisin Colleran, Kazushige Kadota, Davide Capodanno, William Wijns, Takashi Akasaka, Marco Valgimigli, Giulio Guagliumi, Stephan Windecker, Robert A Byrne
AIMS: This study evaluated the views of the cardiology community on the clinical use of coronary intravascular imaging (IVI). METHODS AND RESULTS: A web-based survey was distributed to 31,893 individuals, with 1,105 responses received (3.5% response rate); 1,010 of 1,097 respondents (92.1%) self-reported as interventional cardiologists, 754 (68.7%) with >10 years experience. Overall, 96.1% had personal experience with IVI (95.5% with intravascular ultrasound [IVUS], 69...
March 15, 2018: EuroIntervention
https://www.readbyqxmd.com/read/29534904/variability-in-invasive-mediastinal-staging-for-lung-cancer-a-multicenter-regional-study
#14
Lucas W Thornblade, Douglas E Wood, Michael S Mulligan, Alexander S Farivar, Michal Hubka, Kimberly E Costas, Bahirathan Krishnadasan, Farhood Farjah
OBJECTIVE: Prior studies have reported underuse of-but not variability in-invasive mediastinal staging in the pretreatment evaluation of patients with lung cancer. We sought to compare rates of invasive mediastinal staging for lung cancer across hospitals participating in a regional quality improvement and research collaborative. METHODS: We conducted a retrospective study (2011-2013) of patients undergoing resected lung cancer from the Surgical Clinical Outcomes and Assessment Program in Washington State...
February 9, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29521268/pseudomyxoma-peritonei-a-case-report-and-review-of-the-literature
#15
Juan Gómez Rivas, José María Alonso-Dorrego, Diego M Carrión, Mónica Vega Robalino, Pilar González-Peramato
OBJECTIVE: We present the case of a patient incidentally diagnosed with a pelvic mass next to the bladder. After surgical excision, definitive diagnosis was pseudomyxoma peritonei. We provide a concise review of the literature of this pathology. METHODS: A 55 year-old male patient, was found to have, in annual routine ultrasound, a pelvic retrovesical mass. CT guided needle aspirate showed a tumor with myxoid changes and low aggressive cytology. Surgical excision was performed...
March 2018: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/29518587/ultrasound-guided-carpal-tunnel-release-using-dynamic-expansion-of-the-transverse-safe-zone-in-a-patient-with-post-polio-syndrome-a-case-report
#16
Troy Henning, Daniel Lueders, Kate Chang, Lynda Yang
The prevalence of carpal tunnel syndrome(CTS) in patients that suffer from post-polio syndrome occurs at a rate of 22%.[1] Irrespective of those with CTS, 74% of post-polio patients weight bear through their arms for ambulation or transfers.[1] As open carpal tunnel release is performed along the weight bearing region of the wrist, their functional independence may be altered while recovering. This case demonstrates that ultrasound guided carpal tunnel release(USCTR) was successfully performed in a patient with post-polio syndrome allowing him to immediately weight bear through his hands after the procedure so he could recover at home...
March 5, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29512006/convolution-neural-networks-for-real-time-needle-detection-and-localization-in-2d-ultrasound
#17
Cosmas Mwikirize, John L Nosher, Ilker Hacihaliloglu
PURPOSE: We propose a framework for automatic and accurate detection of steeply inserted needles in 2D ultrasound data using convolution neural networks. We demonstrate its application in needle trajectory estimation and tip localization. METHODS: Our approach consists of a unified network, comprising a fully convolutional network (FCN) and a fast region-based convolutional neural network (R-CNN). The FCN proposes candidate regions, which are then fed to a fast R-CNN for finer needle detection...
March 6, 2018: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/29500558/emergency-physician-performed-ultrasound-guided-nerve-blocks-in-proximal-femoral-fractures-provide-safe-and-effective-pain-relief-a-prospective-observational-study-in-the-netherlands
#18
Rein Ketelaars, Joram T Stollman, Evelien van Eeten, Ties Eikendal, Jörgen Bruhn, Geert-Jan van Geffen
BACKGROUND: The treatment of acute pain in the emergency department is not always optimal. Peripheral nerve blocks using "blind" or nerve stimulator techniques have substantial disadvantages. Ultrasound-guided regional anesthesia may provide quick, safe, and effective pain relief in patients with proximal femoral fractures with severe pain. However, no evidence exists on emergency physician-performed ultrasound-guided regional anesthesia in these patients in Dutch emergency departments...
March 2, 2018: International Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29493802/ultrasound-guided-serratus-anterior-plane-block-combined-with-the-two-incision-technique-for-subcutaneous-icd-implantation
#19
Andrea Droghetti, Erika Basso Ricci, Paolo Scimia, Fabiola Harizai, Massimiliano Marini
BACKGROUND: The standard technique for implanting a subcutaneous defibrillator (S-ICD) requires three incisions and the pocket of the device is created in the subcutaneous tissue of the left lateral thoracic wall. However, a two-incision technique may be adopted, in which the cranial parasternal region is avoided and the device is positioned more deeply, completely under the latissimus dorsi muscle. This can also be combined with Ultrasound-Guided Serratus Anterior Plane Block (US-SAPB) for intraoperative anesthesia and perioperative analgesia...
March 1, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29491513/advances-in-regional-anaesthesia-a-review-of-current-practice-newer-techniques-and-outcomes
#20
REVIEW
Christopher Wahal, Amanda Kumar, Srinivas Pyati
Advances in ultrasound guided regional anaesthesia and introduction of newer long acting local anaesthetics have given clinicians an opportunity to apply novel approaches to block peripheral nerves with ease. Consequently, improvements in outcomes such as quality of analgesia, early rehabilitation and patient satisfaction have been observed. In this article we will review some of the newer regional anaesthetic techniques, long acting local anaesthetics and adjuvants, and discuss evidence for key outcomes such as cancer recurrence and safety with ultrasound guidance...
February 2018: Indian Journal of Anaesthesia
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