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Thoracic ultrasound

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https://www.readbyqxmd.com/read/28654558/the-efficacy-of-ultrasound-guided-type-ii-pectoral-nerve-blocks-in-perioperative-pain-management-for-immediate-reconstruction-after-modified-radical-mastectomy-a-prospective-randomized-study
#1
Kaiyuan Wang, Xiaobei Zhang, Tingting Zhang, Hui Yue, Shan Sun, Hongwei Zhao, Peng Zhou
OBJECTIVES: The pectoral nerves (Pecs) II block is a technique that places local anesthetic between the thoracic muscles to block the axillary and breast regions. This study aimed to compare the quality of perioperative analgesia and side effects of the Pecs II block under general anesthesia versus general anesthesia alone in immediate unilateral breast reconstruction with an implant and latissimus dorsi (LD) flap after modified radical mastectomy. METHODS: Sixty-four patients scheduled for immediate breast reconstruction after modified radical mastectomy were randomly allocated into the Pecs II block under general anesthesia group (Group P, n=32) or the general anesthesia alone group (Group G, n=32)...
June 16, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/28650414/combined-thoracic-ultrasound-assessment-during-a-successful-weaning-trial-predicts-postextubation-distress
#2
Stein Silva, Dalinda Ait Aissa, Pierre Cocquet, Lucille Hoarau, Jean Ruiz, Fabrice Ferre, David Rousset, Michel Mora, Arnaud Mari, Olivier Fourcade, Béatrice Riu, Samir Jaber, Bénoît Bataille
BACKGROUND: Recent studies suggest that isolated sonographic assessment of the respiratory, cardiac, or neuromuscular functions in mechanically ventilated patients may assist in identifying patients at risk of postextubation distress. The aim of the present study was to prospectively investigate the value of an integrated thoracic ultrasound evaluation, encompassing bedside respiratory, cardiac, and diaphragm sonographic data in predicting postextubation distress. METHODS: Longitudinal ultrasound data from 136 patients who were extubated after passing a trial of pressure support ventilation were measured immediately after the start and at the end of this trial...
June 23, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28648482/comparison-of-intravascular-ultrasound-and-centerline-computed-tomography-determined-aortic-diameters-during-thoracic-endovascular-aortic-repair
#3
Sukgu M Han, Ramsey S Elsayed, Sung W Ham, Anuj Mahajan, Fernando Fleischman, Vincent L Rowe, Mark J Cunningham, Fred A Weaver
BACKGROUND: Accurate sizing of stent grafts during thoracic endovascular aortic repair (TEVAR) is critical for a successful outcome. Centerline measurements using three-dimensional reconstruction of preoperative computed tomography angiography (CTA) is the current standard for stent graft sizing. However, this technique is predicated on an idealized straightened aorta and does not account for the variability in the aortic diameter during the cardiac cycle or the overall status of the patient's volume...
June 22, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28638296/ultrasound-guided-percutaneous-cervical-and-upper-thoracic-sympathetic-chain-neuromodulation-for-upper-extremity-complex-regional-pain-syndrome
#4
Samer Narouze, Dmitri Souzdalnitski
BACKGROUND: Complex regional pain syndrome (CRPS) comprises a group of conditions characterized by severe, debilitating pain that is disproportionate to any inciting event and is not distributed in a specific nerve distribution or dermatome. CASE REPORT: A 42-year-old female with a 2-year history of right upper extremity CRPS type I refractory to conventional management underwent an ultrasound-guided and fluoroscopy confirmed percutaneous peripheral nerve stimulation trial with a lead extending from the C6 to the T3 level to cover the cervical and upper thoracic sympathetic chain...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/28626072/5-ht-causes-splanchnic-venodilation
#5
Bridget Mahon Seitz, Hakan Orer, Teresa Krieger-Burke, Emma S Darios, Janice M Thompson, Gregory D Fink, Stephanie W Watts
Serotonin (5-HT, 5-hydroxytrypamine) causes relaxation of the isolated superior mesenteric vein (SMV), a splanchnic blood vessel, through activation of the 5-HT7 receptor. As part of studies designed to identify the mechanism(s) through which chronic (>24 hours) infusion of 5-HT lowers blood pressure, we test the hypothesis that 5-HT causes an in vitro and in vivo splanchnic venodilation that is 5-HT7 receptor-dependent. In tissue baths for measurement of isometric contraction, the portal vein (PV) and abdominal inferior vena cava (Ab IVC) relaxed to 5-HT and the 5-HT1/7 receptor agonist 5-carboxamidotryptamine (5-CT); relaxation was abolished by the 5-HT7 receptor antagonist SB269970...
June 16, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28624495/comparison-of-ultrasound-and-electrostimulation-guided-nerve-blocks-of-brachial-plexus-in-dogs
#6
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/28621033/dicephalic-parapagus-conjoined-twins-in-a-large-fruit-eating-bat-genus-artibeus-chiroptera-phyllostomidae
#7
M R Nogueira, A Ventura, C C P da Veiga, L R Monteiro, N L Pinheiro, A L Peracchi
Conjoined twinning is an embryological anomaly rarely reported in wild mammals and with only two previous records in Chiroptera. Here, we report a case of dicephalic parapagus conjoined twins in the Neotropical phyllostomid genus Artibeus. These twins are males and present separated heads and necks, but a conjoined trunk with an expanded upper thoracic region. They developed two complete forelimbs and two complete hindlimbs, all laterally to the trunk. There is a volume in the upper midback and between the heads that resembles a third rudimentary medial forelimb, but X-ray images only suggest the presence of medial skeletal elements of the pectoral girdle (clavicle and scapulae) in this region...
June 16, 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/28614862/-thoracic-trauma-prehospital-treatment
#8
Michael Hansen, Thomas Hachenberg
Penetrating thoracic injuries are rare in Germany and common in urban regions. 10 percent of the patients in Emergency Departments suffer from blunt thoracic trauma. Mechanism of trauma can predict the severity of the injuries. Very fast life-threatening injuries with hemodynamic problems like tension pneumothorax or cardiac tamponade have to be diagnosed. Prehospital emergency physicians need skills in ultrasound for diagnosis and in invasive therapy like chest tube or pericardium drainage tube. The application of an algorithm in exploration of a thoracic trauma seems to be useful...
June 2017: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
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
#9
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/28603648/color-doppler-sonography-patterns-in-endobronchial-ultrasound-guided-transbronchial-needle-aspiration-of-mediastinal-lymph-nodes
#10
Mario Nosotti, Alessandro Palleschi, Davide Tosi, Paolo Mendogni, Ilaria Righi, Rosaria Carrinola, Lorenzo Rosso
BACKGROUND: Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is commonly used for the pathological diagnosis in patients with mediastinal lymphadenopathy. Even though the accuracy of EBUS-TBNA is considered high, several authors have tried to outline characteristic ultrasound criteria for malignant mediastinal lymph-node identification to maximize this accuracy. Recently, a color-Doppler patterns classification has been proposed by Nakajima to target suspected mediastinal lymph-nodes...
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
#11
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
#12
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
https://www.readbyqxmd.com/read/28603645/understanding-local-performance-data-for-ebus-tbna-insights-from-an-unselected-case-series-at-a-high-volume-uk-center
#13
Vandana Jeebun, Richard Neil Harrison
BACKGROUND: We reviewed the diagnostic performance of endobronchial ultrasound transbronchial aspiration (EBUS-TBNA) on an unselected large cohort of patients who underwent the procedure in our institution in the past 3 years and to compare against published standards and existing literature. METHODS: All consecutive patients who underwent EBUS from January 2013 to December 2015 were included in the retrospective analysis, with a minimum of 6 months of clinico-radiological follow up...
May 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28600890/pilot-study-of-a-software-supported-protocol-for-second-trimester-ultrasound-screening
#14
Thierry Bultez, Jean-Pierre Bernard, Ulrike Metzger, Yves Ville, Laurent Julien Salomon
OBJECTIVES: To evaluate the feasibility and impact of using a software-supported protocol for routine second-trimester ultrasound scanning. METHODS: We conducted a comparative observational study of 2 sets of 25 randomly selected normal routine second-trimester examinations performed by the same expert sonographer before and 1 year after the introduction of a software-supported protocol. The scanning protocol was identical during both periods and conformed to International Society of Ultrasound in Obstetrics and Gynecology guidelines...
June 10, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28593009/ultrasound-as-point-of-care-in-management-of-polytrauma-and-its-complication
#15
Saverio Latteri, Giulia Malaguarnera, Maurizio Mannino, Antonio Pesce, Giuseppe Currò, Stefania Tamburrini, Mario Scuderi
PURPOSE: Traumatic injuries constitute a major risk for patients in emergency units. Point-of-care ultrasound may be a determinant in reducing the deleterious impact of complications and in prognosis. METHODS: We describe the case of a 28-year-old female who reported cranial trauma, abdominal and thoracic trauma, and suspected bilateral fracture of the femur. RESULTS: Ultrasound was useful for evaluating and monitoring multiple organ failure...
June 2017: Journal of Ultrasound
https://www.readbyqxmd.com/read/28588687/retroperitoneal-fibrosis-and-constrictive-pericarditis-igg4-related-diseases-a-case-report
#16
Brankica Terzic, Marijan Spasic, Predrag Djuric, Vladimir Vasiljevic, Slavica Radjen, Mirjana Mijuskovic
Retroperitoneal fibrosis (RPF) is a rare disease characterized by infiltration of inflammatory cells and deposition of thickened fibrous tissues. The present study presents the case of a 53-year-old patient treated for generalized weakness and fatigue for 1 year prior to hospitalization. A cardiac ultrasound revealed pericardial effusion that required pericardiocentesis, during which 1,400 ml serous fluid with the characteristics of an exudate was aspirated. A pericardiectomy was performed due to persistent effusion and histological examination indicated pericardial fibrosis...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28588332/diaphragmatic-hernia-in-a-pet-chinchilla-chinchilla-lanigera
#17
Jessica Aymen, Isabelle Langlois, Isabelle Lanthier
A 10-year-old pet chinchilla (Chinchilla lanigera) was referred for ultrasound investigation of a thoracic mass. The mass was initially believed to be a pulmonary abscess or tumor based on radiographs and ultrasound. Cytological examination suggested the presence of a gastrointestinal structure in the thorax, and necropsy revealed a true diaphragmatic hernia subdividing the stomach into thoracic and abdominal portions.
June 2017: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/28584942/combined-ct-fluoroscopic-and-ivus-guidance-for-percutaneous-treatment-of-a-postsurgical-pseudoaneurysm-following-repair-of-ascending-thoracic-aortic-aneurysm
#18
Anastasia Hadjivassiliou, Joel Gagnon, Michael Janusz, Darren Klass
Thoracic aortic pseudoaneurysms are a recognized complication following aortic arch replacement. The established first line treatment is surgical repair; however, this may not be feasible in all patients. Percutaneous treatment of ascending thoracic pseudoaneurysms has been described as an alternative for nonsurgical candidates. Utilization of multimodality imaging can prove invaluable in minimizing the risk of potentially fatal intra-procedural complications. We present a case of successful embolization using computer tomography-guided direct percutaneous puncture of the pseudoaneurysm, with concomitant endovascular treatment under fluoroscopic and intravascular ultrasound guidance in a patient with challenging vascular anatomy...
June 5, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28584346/analgesic-efficacy-of-ultrasound-guided-paravertebral-block-versus-serratus-plane-block-for-modified-radical-mastectomy-a-randomised-controlled-trial
#19
Kapil Gupta, Kadapa Srikanth, Kiran Kumar Girdhar, Vincent Chan
BACKGROUND AND AIMS: Modified radical mastectomy (MRM) may be associated with severe post-operative pain, leading to chronic pain syndrome. We compared the post-operative analgesic profile of two ultrasound-guided nerve blocks: Paravertebral block (PVB) and serratus plane block (SPB). METHODS: This double-blind, randomised study was conducted on fifty adult females, scheduled for MRM with axillary dissection. After inducing general anaesthesia with intravenous midazolam 1 mg, fentanyl 1...
May 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28577841/aortic-atheroma-increases-the-risk-of-long-term-mortality-in-20-000-patients
#20
Carolyn Goldberg Butler, Jamahal Maeng Ho Luxford, Chuan-Chin Huang, Julius I Ejiofor, James D Rawn, Kerry Wilusz, John A Fox, Stanton K Shernan, Jochen Daniel Muehlschlegel
BACKGROUND: The association between long-term survival and aortic atheroma in cardiac surgical patients has not been comprehensively investigated. In this study we determine the relation between grade of atheroma and the risk of long-term mortality in a retrospective cohort of more than 20,000 patients undergoing cardiac operation during a 20-year period. METHODS: We included 22,304 consecutive intraoperative transesophageal and epiaortic ultrasound examinations performed at Brigham and Women's Hospital between 1995 and 2014, with long-term follow-up...
June 1, 2017: Annals of Thoracic Surgery
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