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Ultrasound block

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https://www.readbyqxmd.com/read/28643605/novel-simulation-device-for-targeting-tumors-in-laparoscopic-ablation-a-learning-curve-study
#1
Zeljka Jutric, Jan Grendar, William L Brown, Maria A Cassera, Ronald F Wolf, Paul D Hansen, Chet W Hammill
INTRODUCTION: A novel 3-dimensional (3D) guidance system was developed to aid accurate needle placement during ablation. METHODS: Five novices and 5 experienced hepatobiliary surgeons were recruited. Using an agar block with analog tumor, participants targeted under 4 conditions: in-line with the ultrasound plane using ultrasound, in-line using 3D guidance, 45° off-axis using ultrasound, and off-axis using 3D guidance. Time to target the tumor, number of withdrawals, and the National Aeronautics and Space Administration Task Load Index were collected...
June 1, 2017: Surgical Innovation
https://www.readbyqxmd.com/read/28638671/prenatal-diagnosis-of-atrioventricular-block-and-qt-interval-prolongation-by-fetal-magnetocardiography-in-a-fetus-with-trisomy-18-and-scn5a-r1193q-variant
#2
Lisheng Lin, Miho Takahashi-Igari, Yoshiaki Kato, Yoshihiro Nozaki, Mana Obata, Hiromi Hamada, Hitoshi Horigome
We report a case of fetal trisomy 18 with SCN5A R1193Q variant that presented with sinus bradycardia, 2 : 1 atrioventricular block (AVB), and QT interval prolongation. These complex arrhythmias were diagnosed by fetal magnetocardiography combined with ultrasound findings. Advanced AVB and ventricular arrhythmias were confirmed after birth. Genetic testing of the baby revealed a SCN5A R1193Q variant, which we considered could account for the various arrhythmias in this case.
2017: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/28632673/the-ultrasound-guided-continuous-erector-spinae-plane-block-for-postoperative-analgesia-in-video-assisted-thoracoscopic-lobectomy
#3
Paolo Scimia, Erika Basso Ricci, Andrea Droghetti, Pierfrancesco Fusco
No abstract text is available yet for this article.
July 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28632668/low-intensity-pulsed-ultrasound-lipus-promotes-bmp9-induced-osteogenesis-and-suppresses-inflammatory-responses-in-human-periodontal-ligament-derived-stem-cells
#4
Joji Kusuyama, Toshiaki Nakamura, Tomokazu Ohnishi, Nahoko Eiraku, Kazuyuki Noguchi, Tetsuya Matsuguchi
OBJECTIVE: We previously reported that low intensity pulsed ultrasound (LIPUS) promotes marrow stromal cell (MSC) osteogenesis and suppresses the LPS-induced inflammatory response in osteoblasts. Here, we examined the effects of LIPUS on human periodontal ligament-derived stem cells (hPDLSCs) in chronic inflammatory bone disease, such as periodontitis. MATERIALS AND METHODS: hPDLSCs were collected from 3 healthy third molars. hPDLSCs were induced to differentiate by either recombinant BMP2 or BMP9 with or without daily LIPUS treatment (20 min/d)...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28631459/could-the-new-ultrasound-guided-erector-spinae-plane-block-be-a-valid-alternative-to-paraverteral-block-in-chest-chronic-pain-syndromes
#5
Pierfrancesco Fusco, Stefano DI Carlo, Paolo Scimia, Antonio Luciani, Emiliano Petrucci, Franco Marinangeli
No abstract text is available yet for this article.
June 14, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28627724/comparative-echogenicity-of-an-epidural-catheter-and-2-new-catheters-designed-for-ultrasound-guided-continuous-peripheral-nerve-blocks
#6
Daniel M Moy, T Edward Kim, T Kyle Harrison, Jody C Leng, Brendan Carvalho, Steven K Howard, Cynthia Shum, Alex Kou, Edward R Mariano
Visualization of the catheter during ultrasound-guided continuous nerve block performance may be difficult but is an essential skill for regional anesthesiologists. The objective of this in vitro study was to evaluate 2 newer catheters designed for enhanced echogenicity and compare them to a widely used catheter not purposely designed for ultrasound guidance. Outcomes were the numbers of first-place rankings among all 3 catheters and scores on individual echogenicity criteria as assessed by 2 blinded reviewers...
June 19, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28625308/the-role-of-ultrasonography-in-obstetric-anesthesia
#7
REVIEW
Allison Lee, John P R Loughrey
Ultrasonography is increasingly being viewed as an everyday tool in obstetric anesthesia. For the administration of spinal or epidural anesthesia, it reduces needle redirection attempts in patients with difficult anatomy. In the less frequent scenario of a collapsed patient, it helps with assessment in the form of transthoracic echocardiography. Abdominal blocks require ultrasound guidance for safe and anatomically correct placement. Accurate assessment of gastric volume status with ultrasound would be a useful everyday skill if it is adopted into mainstream practice...
March 2017: Best Practice & Research. Clinical Anaesthesiology
https://www.readbyqxmd.com/read/28624495/comparison-of-ultrasound-and-electrostimulation-guided-nerve-blocks-of-brachial-plexus-in-dogs
#8
Minori Akasaka, Miki Shimizu
OBJECTIVE: To compare the effectiveness of ultrasound- and electrostimulation-guided nerve blocks of the brachial plexus and to determine whether ultrasound guidance is feasible in conscious dogs. STUDY DESIGN: Blinded, crossover, experimental study. ANIMALS: Six clinically healthy adult Beagle dogs. METHODS: The nerves of the brachial plexus of the right thoracic limb were blocked under ultrasound guidance (UNB) in conscious dogs and under electrostimulation guidance (ENB) in anesthetized dogs with bupivacaine (0...
January 11, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28622994/ultrasound-assisted-acid-hydrolysis-of-cellulose-to-chemical-building-blocks-application-to-furfural-synthesis
#9
Daniel Santos, Ubiratan F Silva, Fabio A Duarte, Cezar A Bizzi, Erico M M Flores, Paola A Mello
In this work, the use of ultrasound energy for the production of furanic platforms from cellulose was investigated and the synthesis of furfural was demonstrated. Several systems were evaluated, as ultrasound bath, cup horn and probe, in order to investigate microcrystalline cellulose conversion using simply a diluted acid solution and ultrasound. Several acid mixtures were evaluated for hydrolysis, as diluted solutions of HNO3, H2SO4, HCl and H2C2O4. The influence of the following parameters in the ultrasound-assisted acid hydrolysis (UAAH) were studied: sonication temperature (30 to 70°C) and ultrasound amplitude (30 to 70% for a cup horn system) for 4 to 8molL(-1) HNO3 solutions...
April 25, 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28617716/hybrid-blocks-for-total-knee-arthroplasty-a-technical-description
#10
David F Johnston, Rakesh V Sondekoppam, Vishal Uppal, James L Howard, Sugantha Ganapathy
This narrative review article aims to examine current evidence of knee innervation in order to develop a technique of targeting pure sensory innervation of the knee joint without compromising motor function. A literature review of knee innervation was performed to gain an anatomic understanding of terminal sensory branches of the relevant target nerves (femoral, obturator, sciatic, and lateral femoral cutaneous). Pure sensory block of the knee joint is challenging due to important contributions from the muscular innervation close to the joint and the variability of nerves afferents contained within and around the adductor canal...
June 14, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/28616651/comparison-of-efficacy-of-transversus-abdominis-plane-block-and-iliohypogastric-ilioinguinal-nerve-block-for-postoperative-pain-management-in-patients-undergoing-inguinal-herniorrhaphy-with-spinal-anesthesia-a-prospective-randomized-controlled-open-label-study
#11
Onur Okur, Zeki Tuncel Tekgul, Nazif Erkan
PURPOSES: The purpose of this study was to compare the effects of lateral abdominal transversus abdominis plane block (TAP block) and iliohypogastric/ilioinguinal nerve block (IHINB) under ultrasound guidance for postoperative pain management of inguinal hernia repair. Secondary purposes were to compare the complication rates of the two techniques and to examine the effects of TAP block and IHINB on chronic postoperative pain. METHODS: This was a prospective randomized controlled open-label study...
June 14, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28610880/comparison-of-analgesic-efficacy-of-laparoscope-assisted-and-ultrasound-guided-transversus-abdominis-plane-block-after-laparoscopic-colorectal-surgery-a-randomized-single-blind-non-inferiority-trial
#12
Soo Yeun Park, Jun Seok Park, Gyu-Seog Choi, Hye Jin Kim, Suyoung Moon, Jinseok Yeo
BACKGROUND: Transversus abdominis plane (TAP) block has been used as a component of multimodal analgesia following abdominal surgery. We introduced a new laparoscope-assisted TAP (LTAP) block technique using intraperitoneal injection, and compared its analgesic effect to that of an ultrasound-guided AP (UTAP) block in terms of postoperative pain control. STUDY DESIGN: A prospective, randomized, single-blinded non-inferiority clinical trial was conducted with patients undergoing elective laparoscopic colectomy for colon cancer...
June 10, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28610706/ultrasound-guided-bilateral-rectus-sheath-block-vs-conventional-local-analgesia-in-single-port-laparoscopic-appendectomy-for-children-with-nonperforated-appendicitis
#13
Caroline Maloney, Michelle Kallis, Ibrahim Abd El-Shafy, Aaron M Lipskar, John Hagen, Michelle Kars
INTRODUCTION: Despite its minimally invasive approach, laparoscopic surgery can cause considerable pain. Regional analgesic techniques such as the rectus sheath block (RSB) offer improved pain management following elective umbilical hernia repair in the pediatric population. This effect has not been examined in laparoscopic single-incision surgery in children. We sought to compare the efficacy of bilateral ultrasound-guided RSB versus local anesthetic infiltration (LAI) in providing postoperative pain relief in pediatric single-incision transumbilical laparoscopic assisted appendectomy (TULA) with same-day discharge...
June 2, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28607343/failed-epidural-for-labour-what-now
#14
Emilia Guasch, Fabrizio Iannuccelli, Nicolas Brogly, Fernando Gilsanz
Labour epidural failure is a challenging situation for the obstetric anaesthetist, especially when associated to high risk of caesarean delivery, obesity, and difficult airway predictors. Labour epidural failure is still not standardly defined, consequently its incidence is uncertain: improving the knowledge of risk factors related to failure will increase epidural block success rate. Prolonged labours, previous history of epidural failure, and repeated topups needed during labour are recognized risk factors for failure...
June 12, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28606283/-assessment-of-the-radial-and-ulnar-arteries-hemodynamic-changes-by-ultrasound-in-patients-with-primary-palmar-hyperhidrosis-after-thoracic-sympathetic-block
#15
Y Fei, M M Xu, B Huang, K Y Xie, H D Ni, L Zhang, H P Zhang, M Yao
Objective: To evaluate the value of radial and ulnar arteries hemodynamic changes by ultrasound in patients with primary palmar hyperhidrosis after thoracic sympathetic block. Methods: This was a prospective study, from January 2016 to September 2016, 23 patients with primary palmar hyperhidrosis were admitted to the First Hospital of Jiaxing City, Zhejiang Province, 92 arteries of these patients who underwent thoracic sympathetic block were enrolled into this study. Diameters, peak systolic velocity (PSV), end diastolic velocity (EDV) and resistive index (RI) of the radial and ulnar arteries were examined one day before and after the operation by color Doppler ultrasound...
June 13, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28603966/silver-alginate-hydrogel-micro-and-nano-containers-for-theranostics-synthesis-encapsulation-remote-release-and-detection
#16
Ekaterina Lengert, Mariia Saveleva, Anatolii Abalymov, Vsevolod Atkin, Pieter C Wuytens, Roman Kamyshinsky, Alexander L Vasiliev, Dmitry A Gorin, Gleb B Sukhorukov, Andre G Skirtach, Bogdan Parakhonskiy
We have designed multifunctional silver alginate hydrogel microcontainers referred to as loaded microcapsules with different sizes by assembling them via a template assisted approach using a natural, highly porous calcium carbonate cores. Sodium alginate was immobilized into the pores of calcium carbonate particles of different sizes followed by cross-linking via addition of silver ions, which had a dual purpose: on one hand, the were used as a crosslinking agent, albeit in the monovalent form, while on the other hand they have led to formation of silver nanoparticles...
June 12, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28603868/pre-operative-brachial-plexus-block-compared-with-an-identical-block-performed-at-the-end-of-surgery-a-prospective-double-blind-randomised-clinical-trial
#17
A Holmberg, A R Sauter, Ø Klaastad, T Draegni, J C Raeder
We evaluated whether pre-emptive analgesia with a pre-operative ultrasound-guided infraclavicular brachial plexus block resulted in better postoperative analgesia than an identical block performed postoperatively. Fifty-two patients undergoing fixation of a fractured radius were included. All patients received general anaesthesia with remifentanil and propofol. Patients were randomly allocated into two groups: a pre-operative block or a postoperative block with 0.5 ml.kg(-1) ropivacaine 0.75%. After surgery, all patients received regular paracetamol plus opioids for breakthrough pain...
June 12, 2017: Anaesthesia
https://www.readbyqxmd.com/read/28603649/comparison-of-multiple-techniques-for-endobronchial-ultrasound-transbronchial-needle-aspiration-specimen-preparation-in-a-single-institution-experience
#18
Nicola Rotolo, Maria Cattoni, Giorgio Crosta, Elisa Nardecchia, Albino Poli, Francesca Moretti, Valentina Conti, Stefano La Rosa, Lorenzo Dominioni, Andrea Imperatori
BACKGROUND: The optimal method for specimen preparation of endobronchial ultrasound-transbronchial needle aspiration (EBUS-TBNA) is still controversial. This study aims to compare several techniques available for EBUS-TBNA specimen acquisition and processing, in order to identify the best performing technique. METHODS: We retrospectively reviewed the data of 199 consecutive patients [male, 73%; median age, 64 years (IQR: 52-74 years)] undergoing EBUS-TBNA at our institution from 2012 through 2014 for diagnosis of hilar-mediastinal lymph node enlargement suspect of neoplastic (n=139) or granulomatous (n=60) disease...
May 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28603647/multicentric-study-of-endobronchial-ultrasound-transbronchial-needle-aspiration-for-lung-cancer-staging-in-italy
#19
Nicola Rotolo, Andrea Imperatori, Mario Nosotti, Luigi Santambrogio, Alessandro Palleschi, Lorenzo Dominioni, Giorgio Crosta, Pierfranco Foccoli, Gianluca Pariscenti, Eliseo Passera, Luigi Bortolotti, Giovanni Falezza, Maurizio Infante, Elisa Daffrè, Maria Cattoni, Lorenzo Rosso
BACKGROUND: Multi-institutional studies of endobronchial-ultrasound transbronchial needle aspiration (EBUS-TBNA) for mediastinal staging in lung cancer are scarce. It is unclear if the high diagnostic performance of EBUS-TBNA reported by experts' guidelines can be generally achieved. METHODS: This is a retrospective study performed in five tertiary referral centers of thoracic surgery in Italy, to assess the EBUS-TBNA diagnostic performance in patients with non-small cell lung cancer (NSCLC)...
May 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28603646/ten-year-experience-with-endobronchial-ultrasound-guided-transbronchial-needle-aspiration-single-center-results-in-mediastinal-diagnostic-and-staging
#20
Lorenzo Rosso, Stefano Ferrero, Paolo Mendogni, Eleonora Bonaparte, Rosaria Carrinola, Alessandro Palleschi, Ilaria Righi, Matteo Montoli, Francesco Damarco, Davide Tosi
BACKGROUND: Endobronchial ultrasonography with transbronchial needle aspiration (EBUS-TBNA) is recognized as an accurate and minimal invasive procedure for diagnosis and staging of lung cancer and lymph nodal malignancies. EBUS is recommended as the first choice procedure for mediastinal staging in lung cancer in international guidelines. METHODS: A retrospective evaluation was performed on single center experience with EBUS-TBNA in our thoracic surgery department in a 10-year time frame...
May 2017: Journal of Thoracic Disease
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