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Ultrasound-guided peripheral

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https://www.readbyqxmd.com/read/29643378/the-value-of-radial-endobronchial-ultrasound-guided-bronchial-brushing-in-peripheral-non-squamous-non-small-cell-lung-cancer
#1
Kai-Lun Yu, Tzu-Hsiu Tsai, Chao-Chi Ho, Wei-Yu Liao, Ching-Kai Lin, Chia-Lin Hsu, Jin-Yuan Shih
Radial endobronchial ultrasound (R-EBUS) is one important diagnostic approach in non-small cell lung cancers (NSCLC). However, the small samples obtained from R-EBUS-guided transbronchial biopsies are sometimes insufficient for pathological and molecular diagnosis. Herein, we investigated the suitability of R-EBUS-guided bronchial brushing specimens for NSCLC diagnosis and EGFR genotyping. We enrolled 941 consecutive patients with peripheral pulmonary lesions who underwent R-EBUS. Cytology-positive brushing specimens from non-squamous NSCLC patients were tested for EGFR mutations...
April 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29642728/tunnelling-a-midline-catheter-when-the-traffic-light-shifts-from-yellow-to-green
#2
Adam Fabiani, Lorella Dreas, Gianfranco Sanson
INTRODUCTION: A safe, largely used practice for difficult venous access patients is positioning a catheter in deeper veins under ultrasound guide. However, the risk of complications is increased when there is a high catheter-to-vein ratio or when the insertion site is in a zone with particular anatomical/physiological characteristics. CASE DESCRIPTION: A 60-year-old woman admitted to a post-operative intensive care unit after cardiac surgery had a complicated post-operative course...
April 1, 2018: Journal of Vascular Access
https://www.readbyqxmd.com/read/29628577/comparison-of-dexamethasone-and-buprenorphine-as-adjuvant-in-ultrasound-guided-brachial-plexus-blocks-a-randomized-controlled-trial
#3
Prasanna Vadhanan, Narendren Ganesh, M I Hussain Ahmed
Introduction: Effective postoperative analgesia is imperative for orthopedic surgeries to enhance recovery and facilitate early ambulation. Various additives have been used as adjuvants with local anesthetics in peripheral nerve blocks to provide postoperative analgesia. The aim of this study is to compare the duration of postoperative analgesia with buprenorphine and dexamethasone when administered as an adjuvant during ultrasound-guided brachial plexus blocks. Methodology: Sixty adult patients undergoing various upper arm surgeries were recruited for the study after acquiring ethics committee clearance...
January 2018: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29628554/comparison-of-ultrasound-with-peripheral-nerve-stimulator-guided-technique-for-supraclavicular-block-in-upper-limb-surgeries-a-randomized-controlled-trial
#4
Vinu Mervick Alfred, Gnanasekaran Srinivasan, Mamie Zachariah
Background: The supraclavicular approach is considered to be the easiest and most effective approach to block the brachial plexus for upper limb surgeries. The classical approach using the anatomical landmark technique was associated with higher failure rates and complications. Ultrasonography (USG) guidance and peripheral nerve stimulator (PNS) have improved the success rates and safety margin. Aims: The aim of the present study is to compare USG with PNS in supraclavicular brachial plexus block for upper limb surgeries with respect to the onset of motor and sensory blockade, total duration of blockade, procedure time, and complications...
January 2018: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29627084/one-lung-flooding-enables-ultrasound-guided-transthoracic-needle-biopsy-of-pulmonary-nodules-with-high-sensitivity
#5
Thomas Günter Lesser, Iver Petersen, Frank Pölzing, Frank Wolfram
Ultrasound-guided transthoracic needle biopsy (USgTTNB) can only be used for peripheral tumours that contact the pleura. Sonographic accessibility of the entire lung can be achieved using one-lung flooding. In this study, feasibility, sensitivity and complication rate of USgTTNB of lung nodules after one-lung flooding in an ex vivo and in vivo lung tumour model were assessed. USgTTNB was performed ex vivo after one-lung flooding in 10 resected human lung lobes containing carcinoma or metastasis. USgTTNB after one-lung flooding and simulation of a lung nodule was conducted in vivo in 5 animals...
April 4, 2018: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29627071/ultrasound-versus-anatomical-landmarks-immediate-complications-in-the-central-venous-catheterization-in-children-under-18-years-of-age
#6
D Rivera-Tocancipá, E Díaz-Sánchez, C A Montalvo-Arce
INTRODUCTION: The insertion of a central venous line in children and adolescents is technically more difficult, due to the smaller size of the structures. This can lead to an increase in immediate complications, which can be reduced when using ultrasound. In our institution, the percentage of these complications and the use of ultrasound are unknown. OBJECTIVE: To describe the frequency of immediate complications of central venous catheterisation guided by the ultrasound in a general university hospital, compared to the anatomical landmarks technique in children less than 18years of age...
April 4, 2018: Revista Española de Anestesiología y Reanimación
https://www.readbyqxmd.com/read/29595039/an-update-on-prostate-biopsy-in-the-era-of-magnetic-resonance-imaging
#7
Antonio Cicione, Cosimo DE Nunzio, Stefano Manno, Rocco Damiano, Alessandro Posti, Estevao Lima, Andrea Tubaro, Filippo Balloni
INTRODUCTION: Prostate cancer (PCa) is a singular disease owing to absence of imaging technique able to detect suspicious glandular area at higher risk of disease. Nowadays, Magnetic Resonance Imaging (MRI) has been used as a way to detect PCa and simplify targeting prostate biopsy (PB). The aim of this study is to review the most recent data regarding prostate biopsy and MRI guided PB. EVIDENCE ACQUISITION: A comprehensive systematic MEDLINE search was performed in December 2017 for English language reports by using the following terms: prostate biopsy, multiparametric magnetic resonance imaging, prostate cancer, transrectal and transperineal ultrasound, target biopsy...
March 28, 2018: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/29583101/safety-of-percutaneous-axillary-artery-access-with-a-suture-mediated-closing-device-for-parallel-endograft-aortic-procedures-a-retrospective-pilot-study
#8
Gilbert Dominique Puippe, Adrian Kobe, Zoran Rancic, Roger Pfiffner, Mario Lachat, Thomas Pfammatter
BACKGROUND: The aim of this study was to evaluate the technical success of percutaneous ultrasound-guided access to the infraclavicular axillary artery with a suture-mediated closing device for patients requiring large-sized upper extremity access. PATIENTS AND METHODS: In 18 consecutive patients (17 male, one female, mean age 73.5 ± 9.6 years, range 52-88 years), artery accesses with the preclosing modification for chimney endografts was gained with 20 ultrasound-guided infraclavicular axillary...
March 27, 2018: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/29575557/reliable-sonographic-features-for-nodal-thyroglobulin-to-diagnose-recurrent-lymph-node-metastasis-from-papillary-thyroid-carcinoma
#9
He-Jiun Jiang, Che-Wei Wu, Feng-Yu Chiang, Hsin-Ying Clair Chiou, I-Ju Chen, Pi-Jung Hsiao
OBJECTIVES: Ultrasound guided aspiration cytology (US-FNAC) was previously used to diagnose lymph node metastasis of papillary thyroid carcinoma (PTC). Combined US-FNAC with nodal thyroglobulin (LN-FNA-Tg) significantly improved the diagnostic rate. However, diagnostic accuracy depends on proper node selection. Therefore, it is crucial to choose the nodes with reliable sonographic features to guide clinician for confirmation. DESIGN AND SETTING: Retrospective cohort study was done in one medical center within 2011 to 2014...
March 25, 2018: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29574861/updated-retrospective-single-center-comparative-analysis-of-peripheral-nerve-block-complications-using-landmark-peripheral-nerve-stimulation-versus-ultrasound-guidance-as-a-primary-means-of-nerve-localization
#10
Vladyslav Melnyk, James W Ibinson, Michael L Kentor, Steven L Orebaugh
OBJECTIVES: The purpose of this study was to perform an updated analysis of complications associated with upper and lower extremity peripheral nerve blocks (PNBs) performed with ultrasound (US) guidance versus the landmark approach. METHODS: We conducted a single-center retrospective cohort analysis to compare the incidence of PNB complications between the techniques. The primary outcome was local anesthetic systemic toxicity (LAST), whereas the secondary outcomes included short- and long-term nerve injuries...
March 25, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
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
#11
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
#12
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/29562841/real-time-ultrasound-guided-placement-of-peripherally-inserted-central-venous-catheter-without-fluoroscopy
#13
Soshi Nakamuta, Toshihiro Nishizawa, Shiori Matsuhashi, Arata Shimizu, Toshio Uraoka, Masato Yamamoto
BACKGROUND AND AIM: Malposition of peripherally inserted central catheters placed at the bedside is a well-recognized phenomenon. We report the success rate of the placement of peripherally inserted central catheters with ultrasound guidance for tip positioning and describe the knacks and pitfalls. MATERIALS AND METHODS: We retrospectively reviewed the medical case charts of 954 patients who received peripherally inserted central catheter procedure. Patient clinical data included success rate of puncture, detection rate of tip malposition with ultrasonography, adjustment rate after X-ray, and success rate of peripherally inserted central catheter placement...
March 1, 2018: Journal of Vascular Access
https://www.readbyqxmd.com/read/29526691/analysis-of-cell-free-dna-to-assess-risk-of-tumoremia-following-endoscopic-ultrasound-fine-needle-aspiration-of-pancreatic-adenocarcinomas
#14
Michael J Levy, Benjamin R Kipp, Dragana Milosevic, Amber R Schneider, Jesse S Voss, Rajeswari Avula, Sarah E Kerr, Michael R Henry, Edward Highsmith, Minetta C Liu, Ferga C Gleeson
BACKGROUND & AIMS: Cellular and nuclear material from tumors disseminates into the bloodstream (tumoremia), but it is not clear whether medical procedures cause release of this material or contribute to formation of metastases. We performed a prospective study of blood samples from patients with pancreatic adenocarcinoma (PDAC) to determine whether endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) associates with markers of tumoremia. METHODS: We obtained peripheral blood from 104 patients (35 with PDAC) before and after EUS-FNA of primary tumors; blood samples from 69 healthy individuals were used as controls...
March 8, 2018: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29525458/ultrasound-guided-percutaneous-needle-biopsy-for-peripheral-pulmonary-lesions-diagnostic-accuracy-and-influencing-factors
#15
Yu-Qing Guo, Xin-Hong Liao, Zhi-Xian Li, Yuan-Yuan Chen, Si-Da Wang, Ji-Han Wang, Xian-Shan Liao, Yuan Luo
A retrospective study was carried out to evaluate the diagnostic accuracy and the factors influencing the diagnostic accuracy of 648 procedures of ultrasound-guided percutaneous needle biopsy (PNB) for peripheral pulmonary lesions (PPLs). We reviewed the histopathology results, the clinical records and the procedure reports of these 648 biopsies and the final diagnoses of 637 PPLs to determine the diagnostic accuracy of ultrasound-guided PNB. Factors that influenced the diagnostic accuracy were assessed by analysis of the biopsy procedures, which were classified as diagnostic cases (true-positive and true-negative) and non-diagnostic cases (false-positive, false-negative and indeterminate)...
March 8, 2018: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29514546/efficacy-and-safety-of-peripherally-inserted-central-venous-catheters-in-acute-cardiac-care-management
#16
Fabrizio Poletti, Claudio Coccino, Davide Monolo, Paolo Crespi, Giorgio Ciccioli, Giuseppe Cordio, Giovanni Seveso, Stefano De Servi
PURPOSE: Patients admitted to cardiac intensive care unit need administration of drugs intravenously often in concomitance of therapeutic techniques such as non-invasive ventilation, continuous renal replacement therapy and intra-aortic balloon counterpulsation. Therefore, the insertion of central venous catheters provides a reliable access for delivering medications, laboratory testing and hemodynamic monitoring, but it is associated with the risk of important complications. In our study, we tested the efficacy and safety of peripherally inserted central catheters to manage cardiac intensive care...
March 1, 2018: Journal of Vascular Access
https://www.readbyqxmd.com/read/29505566/blood-concentration-of-bupivacaine-and-duration-of-sensory-and-motor-block-following-ultrasound-guided-femoral-and-sciatic-nerve-blocks-in-dogs
#17
Michéal O Cathasaigh, Matt R Read, Aylin Atilla, Teresa Schiller, Grace P S Kwong
Peripheral nerve blocks are becoming increasingly popular for perioperative use as anesthetics and analgesics in small animals. This prospective study was performed to investigate the duration of motor and sensory blockade following use of bupivacaine for ultrasound-guided femoral and sciatic nerve blocks in dogs and to measure the plasma concentrations of bupivacaine that result from these procedures. Six dogs were anesthetized twice using a randomized cross-over design. At the first anesthetic, dogs were assigned to receive either an ultrasound-guided femoral nerve block or sciatic nerve block with 0...
2018: PloS One
https://www.readbyqxmd.com/read/29501750/mixed-phenotype-t-b-myeloid-extramedullary-blast-crisis-as-an-initial-presentation-of-chronic-myelogenous-leukemia
#18
Xin Qing, Annie Qing, Ping Ji, Samuel W French, Holli Mason
BACKGROUND: Chronic myelogenous leukemia (CML) is a myeloproliferative disorder characterized by the Philadelphia (Ph) chromosome generated by the reciprocal translocation t(9,22)(q34;q11). The natural progression of the disease follows a biphasic or triphasic course. Most cases of CML are diagnosed in the chronic phase. Extramedullary blast crisis rarely occurs during the course of CML, and is extremely rare as the initial presentation of CML. CASE PRESENTATION: Here, we report the case of a 32-year-old female with enlarged neck lymph nodes and fatigue...
March 1, 2018: Experimental and Molecular Pathology
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
#19
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/29496289/assessment-of-midazolam-sedation-in-ultrasound-guided-percutaneous-biopsy-of-peripheral-lung-lesions
#20
Aurelio Luis Wangüemert Pérez, Héctor González Expósito, Laura Pascual Fernández
No abstract text is available yet for this article.
February 26, 2018: Archivos de Bronconeumología
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