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Thoracic ultrasound

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https://www.readbyqxmd.com/read/29691857/primary-tonsillar-mast-cell-tumour-in-a-dog
#1
C C Shekell, M J Thomson, R I Miller, J T Mackie
CASE REPORT: A 6-year-old speyed female Bull Arab-cross dog was found to have a small tonsillar nodule. Histological examination revealed a well-differentiated mast cell tumour (MCT). At initial staging, no evidence of concurrent cutaneous or visceral MCTs was found on a complete blood count, a single lateral thoracic radiograph, abdominal ultrasound or cytology of the spleen and regional lymph nodes. A diagnosis of primary tonsillar MCT was made. At 40 months postoperatively, the dog is alive with no evidence of gross tumour progression, in contrast to some previous reports of rapid disease progression and metastasis in dogs with primary oral MCTs...
May 2018: Australian Veterinary Journal
https://www.readbyqxmd.com/read/29688195/preoperative-and-intraoperative-assessment-of-volumetric-blood-flow-velocity-through-the-internal-thoracic-artery-in-patients-with-cad
#2
V V Bazylev, F L Bartosh, S V Sivushchina, A I Mikuliak
The left internal thoracic artery (ITA) is currently an artery of choice for revascularization of coronary arteries. Ultrasonographic duplex scanning (USDS) and ultrasound Doppler flowmetry (UDF) are sequential techniques to control patency of the ITA at stages of rendering care for patients on restoring coronary blood flow. We compared two methods of measuring the volumetric blood flow velocity: by means of USDS and UDF. The obtained results were statistically processed. It was determined that transthoracic USDS and intraoperative UDF in the assessment of the volumetric blood velocity through the ITA in patients with coronary artery disease are comparable methods, provided the patients have similar parameters of central haemodynamics...
2018: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/29686784/primary-malignant-melanoma-of-the-lung-a-case-report-of-a-rare-tumor-and-review-of-the-literature
#3
Muharrem Yunce, Stephen Selinger, William Krimsky, Daniel P Harley
Primary malignant melanoma of the lung (PMML) is a rare malignancy that exhibits aggressive behavior and has a very poor prognosis. We are reporting on a case of PMML in an otherwise healthy 22-year-old Caucasian male with no significant past medical history and an unremarkable family history. The patient initially presented with a 2-month history of a cough and an unexplained 22-lb weight loss. His initial chest X-ray demonstrated opacification of the right lower lobe (RLL) of his lung and a subsequent computerized tomography scan (CT scan) of his lung revealed a large mass occupying most of his RLL (Figure 1)...
2018: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/29686741/endobronchial-ultrasound-transbronchial-needle-aspiration-in-thoracic-diseases-much-more-than-mediastinal-staging
#4
Juliana Guarize, Monica Casiraghi, Stefano Donghi, Cristina Diotti, Nicolo Vanoni, Rosalia Romano, Chiara Casadio, Daniela Brambilla, Patrick Maisonneuve, Francesco Petrella, Lorenzo Spaggiari
Background and Objective: EBUS-TBNA has revolutionized the diagnostic approach to thoracic diseases from a surgical to minimally invasive procedure. In non small-cell lung cancer (NCSLC) patients, EBUS-TBNA is able to dictate the consecutive therapy both for early and advanced stages, providing pathological diagnosis, mediastinal staging, and even adequate specimens for molecular analysis. This study reports on the ability of EBUS-TBNA to make different diagnoses and dictates the consecutive therapy in a large cohort of patients presenting different thoracic diseases...
2018: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/29677634/physiological-variations-in-reproductive-and-metabolic-features-of-white-tailed-deer-odocoileus-virginianus-bucks-throughout-the-rutting-season
#5
Jamie L Stewart, Clifford F Shipley, Robyn E Ellerbrock, Lauren Schmidt, Fabio S Lima, Igor F Canisso
White-tailed deer farming is a growing industry in the United States, yet there is still a need to improve breeding practices in captive cervids. The objective of this study was to compare reproductive and somatic characteristics of white-tailed bucks early in the breeding season (September), at peak rut (December), and late breeding season (March). We hypothesized that reproductive parameters would improve at the peak of the breeding season. Young, mature bucks (n = 7-11, ages 2-3 yr) were anesthetized via projector with tiletamine-zolazepam and xylazine...
April 12, 2018: Theriogenology
https://www.readbyqxmd.com/read/29672613/intravascular-ultrasound-assisted-sizing-in-thoracic-endovascular-aortic-repair-improves-aortic-remodeling-in-type-b-aortic-dissection
#6
Julia Lortz, Konstantinos Tsagakis, Christos Rammos, Michael Horacek, Thomas Schlosser, Heinz Jakob, Tienush Rassaf, Rolf Alexander Jánosi
The precise sizing of the stent graft in thoracic endovascular aortic repair (TEVAR) affects aortic remodeling and hence, further outcome. Covering the proximal entry tear is essential for successful treatment of Type B aortic dissection. Intravascular ultrasound (IVUS) enables real-time aortic diameter assessment, and is especially useful when computed tomography (CT) image quality is poor. IVUS, however, is not routinely utilized due to cost inefficiency. We investigated the impact of IVUS-assisted stent graft sizing on aortic remodeling in TEVAR...
2018: PloS One
https://www.readbyqxmd.com/read/29666966/point-of-care-lung-ultrasound-for-diagnosis-of-pneumocystis-jirovecii-pneumonia-notes-from-the-field
#7
Maria Teresa Giordani, Francesca Tamarozzi, Daniel Kaminstein, Enrico Brunetti, Tom Heller
BACKGROUND: Thoracic ultrasound is helpful to evaluate lung pathology in patients with acute dyspnea. Several studies have demonstrated the efficacy of point-of-care ultrasound in patients with extrapulmonary TB and HIV co-infection. This retrospective, open-label case-control study explores the role of lung ultrasound in the diagnosis of Pneumocystis jirovecii pneumonia (PJP) in HIV-positive patients. In particular, it highlights the potential role of specific sonographic features that may be unique to this population...
April 17, 2018: Critical Ultrasound Journal
https://www.readbyqxmd.com/read/29666295/lung-ultrasound-prior-to-spontaneous-breathing-trial-is-not-helpful-in-weaning-the-decision-making-process
#8
Ana Carolina P Antonio, Marli M Knorst, Cassiano Teixeira
BACKGROUND: Lung ultrasound is increasingly becoming a diagnostic tool in the critical care setting. B-pattern on a lung ultrasound is an artifact composed of multiple B-lines and correlates with interstitial edema. A randomized controlled trial concluded that bedside thoracic ultrasound could predict postextubation distress through changes in lung aeration during a weaning procedure; however, it could not screen patients before performance of a spontaneous breathing trial (SBT). METHODS: We conducted a 2-year, prospective, multicenter, observational study in 2 adult medical-surgical ICUs in southern Brazil...
April 17, 2018: Respiratory Care
https://www.readbyqxmd.com/read/29661366/a-systematic-review-of-venous-aneurysms-by-anatomic-location
#9
REVIEW
Katherine A Teter, Thomas M Maldonado, Mark A Adelman
OBJECTIVE: Venous aneurysms are uncommon vascular abnormalities that may be identified anywhere in the body. Historically, they were often misdiagnosed as soft tissue lesions, but with the advent of readily available noninvasive imaging (such as duplex ultrasound), they can now be easily identified. Our aim was to review the presentation of venous aneurysms, available imaging modalities for defining them, and management. METHODS: The English-language literature before March 2017 was reviewed, and only reports of primary venous aneurysms of the deep veins were included...
May 2018: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/29659420/needle-based-optical-coherence-tomography-to-guide-transbronchial-lymph-node-biopsy
#10
Eugene Shostak, Lida P Hariri, George Z Cheng, David C Adams, Melissa J Suter
BACKGROUND: Transbronchial needle aspiration (TBNA), often used to sample lymph nodes for lung cancer staging, is subject to sampling error even when performed with endobronchial ultrasound. Optical coherence tomography (OCT) is a high-resolution imaging modality that rapidly generates helical cross-sectional images. We aim to determine if needle-based OCT can provide microstructural information in lymph nodes that may be used to guide TBNA, and improve sampling error. METHODS: We performed ex vivo needle-based OCT on thoracic lymph nodes from patients with and without known lung cancer...
April 13, 2018: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/29658209/upper-extremity-deep-vein-thrombosis-symptoms-diagnosis-and-treatment
#11
REVIEW
Jaber Mustafa, Ilan Asher, Zev Sthoeger
Upper extremity deep vein thrombosis (UEDVT) is defined as thrombosis of the deep venous system (subclavian, axillary, brachial, ulnar, and radial veins), which drains the upper extremities. It can be caused by thoracic outlet anatomic obstruction, such as Paget-Schroetter syndrome, (primary) or by central intravenous catheters (secondary). UEDVT may be asymptomatic or present with acute severe pain and arm swelling. Clinical suspicion should be confirmed by diagnostic imaging procedures such as duplex ultrasound, computed tomography scan, or magnetic resonance imaging...
January 2018: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29657701/early-prenatal-diagnosis-of-parapagus-conjoined-twins
#12
Ângela Melo, Rita Dinis, António Portugal, Ana Isabel Sousa, Isabel Cerveira
Conjoined twinning occurs in 1/100 of monozygotic twins, 1/50,000 gestations and 1/250,000 live births. It is the consequence of a division event at the primitive streak stage of the human embryonic development, about 13-14 days after fertilisation, in monochorionic monoamniotic gestations. A healthy pregnant woman, Gravida 2 Para 1, was admitted into our Fetal Medicine Unit to perform the first trimester ultrasound. A diagnosis of conjoined parapagus twinning based on ultrasound features was made at 11 weeks of gestation, and the couple decided to terminate the pregnancy...
March 28, 2018: Clinics and Practice
https://www.readbyqxmd.com/read/29656758/feasibility-of-endobronchial-ultrasound-transbronchial-needle-aspiration-for-massively-parallel-next-generation-sequencing-in-thoracic-cancer-patients
#13
Simon R Turner, Darren Buonocore, Patrice Desmeules, Natasha Rekhtman, Snjezana Dogan, Oscar Lin, Maria E Arcila, David R Jones, James Huang
INTRODUCTION: Next-generation sequencing (NGS) allows for the identification of a growing number of therapeutic and prognostic molecular targets. However, NGS typically requires greater quantities of DNA than traditional molecular testing does. Endobronchial ultrasound transbronchial needle aspiration (EBUS-TBNA) is a minimally invasive procedure used to sample central thoracic lesions, but it is not well established whether this technique provides sufficient material for NGS. METHODS: We performed a retrospective review of EBUS-TBNA at our institution (3/1/14-9/28/16)...
May 2018: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/29650397/assessment-of-five-different-probes-for-lung-ultrasound-in-critically-ill-patients-a-pilot-study
#14
Xavier Bobbia, Margaux Chabannon, Thierry Chevallier, Jean Emmanuel de La Coussaye, Jean Yves Lefrant, Sarah Pujol, Pierre-Géraud Claret, Laurent Zieleskiewicz, Claire Roger, Laurent Muller
INTRODUCTION: The present study was aimed at comparing the diagnosis concordance of five echo probes of lung ultrasound (LUS) with CT scans in intensive care and emergency patients with acute respiratory failure. MATERIALS: This prospective, observational, pilot study involved 10 acute patients in whom a thoracic CT scan was performed. An expert performed an LUS reference exam using five different probes: three probes with a high-quality conventional echo machine (cardiac phased-array probe, abdominal convex probe, linear probe) and two probes (cardiac and linear) with a pocket ultrasound device (PUD)...
April 3, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29650222/value-of-ultrasound-as-a-diagnostic-tool-for-a-painful-thoracic-nodule
#15
D Morgado-Carrasco, S Gómez, L Alós, P Giavedoni
No abstract text is available yet for this article.
April 9, 2018: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/29625919/ultrasound-guided-lateral-and-subcostal-transversus-abdominis-plane-block-in-calves-a-cadaveric-study
#16
Alessandro Mirra, Alois von Rotz, Marta Schmidhalter, Lara Moser, Daniela Casoni, Claudia Spadavecchia
OBJECTIVE: To describe and assess the ultrasound-guided transversus abdominis plane (TAP) block feasibility in calf cadavers, to compare two injection volumes and to evaluate possible undesired solution spreads. STUDY DESIGN: Prospective, descriptive, anatomic study. ANIMALS: A group of 15 bovine cadavers weighing 47±11 kg (mean±standard deviation). METHODS: Lateral (n = 24) and subcostal (n = 12) TAP block approaches were assessed...
March 15, 2018: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29605031/endovascular-creation-and-validation-of-acute-in-vivo-animal-model-for-type-a-aortic-dissection
#17
Mourad Boufi, Mathieu Claudel, Bianca Dona, Amina Djemli, Nicolas Branger, Stephane Berdah, Yves S Alimi
BACKGROUND: Animal modeling is a prerequisite for clinical transfer of new therapies. This study targets an acute in vivo animal model of type A dissection using endovascular approach with a view to test future stent grafts dedicated to this aortic segment. METHODS: Experiments were conducted on 13 swine. Two arterial accesses, femoral and percutaneous transapical, were required. Entry tear was created by endovascular instrumental means inserted through transapical access with either Outback catheter (group 1, n = 3) or EchoTip Endoscopic Ultrasound Needle (group 2, n = 10)...
May 2018: Journal of Surgical Research
https://www.readbyqxmd.com/read/29600073/microrna-expression-profile-in-primary-lung-cancer-cells-lines-obtained-by-endobronchial-ultrasound-transbronchial-needle-aspiration
#18
Juliana Guarize, Fabrizio Bianchi, Elena Marino, Elena Belloni, Manuela Vecchi, Stefano Donghi, Giorgio Lo Iacono, Chiara Casadio, Roberto Cuttano, Massimo Barberis, Pier Paolo Di Fiore, Francesco Petrella, Lorenzo Spaggiari
Background: Novel cancer biomarkers like microRNA (miRNA) are promising tools to gain a better understanding of lung cancer pathology and yield important information to guide therapy. In recent years, new less invasive methods for the diagnosis and staging of NSCLC have become key tools in thoracic oncology and the worldwide spread of endobronchial ultrasound transbronchial needle aspiration (EBUS-TBNA). However, appropriate specimen handling is mandatory to achieve adequate results and reproducibility...
January 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29596820/patterns-of-practice-in-mediastinal-lymph-node-staging-for-non-small-cell-lung-cancer-in-canada
#19
Simon R Turner, Nazgol Seyednejad, Basil S Nasir
BACKGROUND: Assessment of mediastinal lymph nodes is integral in staging patients with non-small cell lung cancer (NSCLC). This study aims to delineate the lymph node staging practices of Canadian thoracic surgeons in patients with potentially resectable NSCLC. METHODS: A questionnaire was distributed to Canadian Association of Thoracic Surgeons members (n=86). Items addressed the use of imaging, thresholds/methods for preoperative invasive staging, and intraoperative node staging...
March 26, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29590739/gastrostomy-under-paravertebral-block-in-high-risk-patients-with-esophageal-cancer-two-case-reports
#20
Miroslav Zupčić, Anđelko Korušić, Stjepan Barišin, Jasminka Peršec, Igor Nikolić, Sandra Graf Zupčić, Vjekoslav Jeleč, Viktor Đuzel, Zlatko Vlajčić
Here we present two cases of gastrostomy insertion via laparotomy in patients with malignant esophageal disease. Patients were ASA (American Society of Anesthesiologists) physical status III and IV. The patients presented as very high risk for general anesthesia, so we decided to use unilateral left sided paravertebral block (PVB) on four thoracic levels along with contralateral local infiltration at the gastrostomy insertion site. We present two cases, one of them a 57-year-old male ASA III patient scheduled for a gastrostomy procedure due to esophageal cancer with infiltration of the trachea...
December 2017: Acta Clinica Croatica
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