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https://www.readbyqxmd.com/read/28441700/ultrasound-based-renal-sympathetic-denervation-for-the-treatment-of-therapy-resistant-hypertension-a-single-center-experience
#1
Karl Fengler, Robert Höllriegel, Thomas Okon, Thomas Stiermaier, Karl-Philipp Rommel, Stephan Blazek, Christian Besler, Max von Roeder, Martin Petzold, Gerhard Schuler, Philipp Lurz
INTRODUCTION: The effectiveness of renal sympathetic denervation (RDN) as a treatment for therapy-resistant hypertension has been doubted as the Simplicity-HTN-3 trial was unable to show any treatment benefit over sham procedure. This might partly be explained by a high procedural variability in treatment with radiofrequency-based catheters. Recently, newer systems for RDN, like ultrasound-based devices, have been introduced into practice. To date however, data on their effectiveness for the treatment of resistant hypertension are scarce...
June 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28441571/negative-histology-with-surgically-treated-tubal-ectopic-pregnancies-a-retrospective-cohort-study
#2
Linda Farahani, Anjita Sinha, Jilly Lloyd, Melissa Islam, Jackie A Ross
OBJECTIVE: To determine the outcome of histological examinations of surgical specimens obtained from treatment of tubal ectopic pregnancy and to correlate with clinical findings, pre-operative ultrasound scans and the type of surgery. STUDY DESIGN: A retrospective cohort study of 941 women diagnosed with a tubal ectopic pregnancy in the Early Pregnancy Unit and having surgical treatment at King's College Hospital, London. Clinical and ultrasound data had been entered contemporaneously on our electronic early pregnancy database and hospital clinical records over an 11year period from 2004 to 2014...
April 2, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28440914/transesophageal-bronchoscopic-ultrasound-guided-fine-needle-aspiration-eus-b-fna-pushing-the-boundaries-in-the-diagnosis
#3
Ravindra Mehta, Pavan Biraris, Swarna Shivakumar, Seema Misra, Parameswaran Anoop, Srikanta J T
Isolated mediastinal adenopathy is a diagnostic challenge in the paediatric population, often requiring invasive surgical procedures for diagnosis. We describe a novel minimally invasive modality in a 20 month toddler-transesophageal bronchoscopic ultrasound-guided fine-needle aspiration (EUS-B-FNA). This is the youngest reported use of this modality, highlighting feasibility, technical issues, safety, and rapid diagnosis leading to expedited treatment.
April 25, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28440862/a-large-intrauterine-vascular-lesion-developing-after-the-successful-treatment-of-a-cesarean-scar-pregnancy-with-methotrexate-injection
#4
Ji Won Song, Da Hye Ju, Sang Wook Yi, Joo Hee Lee, Woo Seok Sohn, Sang Soo Lee
A cesarean scar pregnancy is a rare type of ectopic pregnancy. Induced abortion by local methotrexate (MTX) injection is an effective management approach. We describe a case in which a large intrauterine vascular lesion appeared after the sonographic-guided local injection of MTX, which successfully induced the abortion of the cesarean scar pregnancy. Although a cesarean scar pregnancy may be safely treated with a local MTX injection, close follow-up, including serum β-human chorionic gonadotropin level measurement and Doppler sonography, is needed because an intrauterine vascular lesion could develop even after a successfully induced abortion...
April 25, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28440762/consensus-statement-for-use-and-technical-requirements-of-thyroid-ultrasound-in-endocrinology-units
#5
Tomás Martín-Hernández, Juan José Díez Gómez, Gonzalo Díaz-Soto, Alberto Torres Cuadro, Elena Navarro González, Amelia Oleaga Alday, Marcel Sambo Salas, Jordi L Reverter Calatayud, Iñaki Argüelles Jiménez, Isabel Mancha Doblas, Diego Fernández García, Juan Carlos Galofré
Thyroid nodule detection has increased with widespread use of ultrasound, which is currently the main tool for detection, monitoring, diagnosis and, in some instances, treatment of thyroid nodules. Knowledge of ultrasound and adequate instruction on its use require a position statement by the scientific societies concerned. The working groups on thyroid cancer and ultrasound techniques of the Spanish Society of Endocrinology and Nutrition have promoted this document, based on a thorough analysis of the current literature, the results of multicenter studies and expert consensus, in order to set the requirements for the best use of ultrasound in clinical practice...
March 2017: Endocrinol Diabetes Nutr
https://www.readbyqxmd.com/read/28440351/characterization-of-benign-thyroid-nodules-with-hyperspace-hyper-spectral-analysis-for-characterization-in-echography-before-and-after-percutaneous-laser-ablation-a-pilot-study
#6
Simona Granchi, Enrico Vannacci, Elena Biagi
AIMS: To evaluate the capability of the HyperSPACE (Hyper SPectral Analysis for Characterization in Echography) method in tissue characterization, in order to provide information for the laser treatment of benign thyroid nodules in respect of conventional B-mode images and elastography. MATERIAL AND METHODS: The method, based on the spectral analysis of the raw radiofrequency ultrasonic signal, was applied to characterize the nodule before and after laser treatment...
April 22, 2017: Medical Ultrasonography
https://www.readbyqxmd.com/read/28440238/thermal-ablation-of-pancreatic-cyst-with-a-prototype-endoscopic-ultrasound-capable-radiofrequency-needle-device-a-pilot-feasibility-study
#7
Maria Moris, Mustafa Atar, Abdurrahman Kadayifci, Murli Krishna, Ariston Librero, Eugene Richie, William Brugge, Michael B Wallace
BACKGROUND AND OBJECTIVES: Pancreatic cysts are evaluated by endoscopic ultrasound and fine needle aspiration (EUS). The only accepted treatment is pancreatectomy, which is associated with morbidity and mortality. This study evaluated the optimal thermal dosimetry of a novel radiofrequency ablation device using a standard electrosurgical unit in ex vivo cyst models. METHODS: A modified EUS 22-gauge monopolar needle prototype with a tip electrode connected to a standard electrosurgical unit (Erbe USA, Marietta, GA, USA) was used to induce a subboiling point temperature...
March 2017: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/28440234/endoscopic-ultrasound-of-peritoneal-spaces
#8
Malay Sharma, Jayan Gopinath Madambath, Piyush Somani, Amit Pathak, Chittapuram Srinivasan Rameshbabu, Raghav Bansal, Kovil Ramasamy, Amol Patil
The peritoneal cavity is subdivided into supracolic and infracolic compartments by transverse colon and its mesocolon. The supracolic compartment contains the liver, spleen, stomach, and lesser omentum. The infracolic compartment contains the coils of small bowel surrounded by ascending, transverse, and descending colon and the paracolic gutters. The imaging of different compartments is possible by various methods such as ultrasound (US) and computerized tomography. The treating physicians should be familiar with the relevant radiological anatomy of different compartments and spaces as accurate localization of fluid collection/lymph node in peritoneal cavity greatly aids in selection of a treatment strategy...
March 2017: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/28440041/ultrasound-assisted-versus-conventional-catheter-directed-thrombolysis-for-acute-ilio-femoral-deep-vein-thrombosis-one-year-follow-up-data-of-a-randomized-controlled-trial
#9
Rolf P Engelberger, Anna Stuck, David Spirk, Torsten Willenberg, Axel Haine, Daniel Périard, Iris Baumgartner, Nils Kucher
BACKGROUND: In patients with acute ilio-femoral deep vein thrombosis (IFDVT), catheter-directed thrombolysis (CDT) aims to prevent the post-thrombotic syndrome (PTS). Adding intravascular high-frequency, low-power ultrasound energy to CDT does not seem to improve the immediate thrombolysis results but its impact on clinical outcomes at 12 months is not known. PATIENTS/METHODS: In this randomized-controlled trial, 48 patients (mean age 50±21 years, 52% women) with acute IFDVT were randomized to conventional CDT (n=24) or ultrasound-assisted CDT (USAT; n=24)...
April 25, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28439945/enhancement-of-cardiomyogenesis-in-murine-stem-cells-by-low-intensity-ultrasound
#10
Ailing Teo, Amir Morshedi, Jen-Chieh Wang, Yufeng Zhou, Mayasari Lim
OBJECTIVES: Low-intensity ultrasound (LIUS) has been shown to enhance bone and cartilage regeneration from stem cells. The ease of its incorporation makes it an attractive mechanical stimulus for not only osteogenesis and chondrogenesis, but also cardiomyogenesis. However, to date, no study has investigated its effects on cardiomyogenesis from embryonic stem cells. METHODS: In this study, murine embryonic stem cells were differentiated via embryoid body formation and plating, and after 3 days they were subjected to daily 10 minutes of LIUS treatment with various conditions: (1) low-pulsed (21 mW/cm(2) , 20% duty cycle), (2) low-continuous, (3) high-pulsed (147 mW/cm(2) , 20% duty cycle), and (4) high-continuous LIUS...
April 25, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28439616/-high-intensity-focused-ultrasound-hifu-importance-in-the-treatment-of-prostate-cancer
#11
R Ganzer
BACKGROUND: High intensity focused ultrasound (HIFU) has been used since the beginning of the 1990s as an alternative treatment for prostate cancer. OBJECTIVE: Overview of the current status and critical review of the different indications for HIFU in the treatment of prostate cancer. MATERIAL AND METHODS: Review of the current literature on the indications, side effects, oncologic results and current guideline recommendations. RESULTS: The principle of HIFU is based on high energy sound waves, which lead to coagulation necrosis at the focal point...
April 24, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28439432/posterior-interosseous-nerve-palsy-caused-by-a-ganglion-conservative-treatment-with-ultrasound-guided-needle-aspiration
#12
Yasuhiro Seki
Posterior interosseous nerve palsy caused by a ganglion is not common and most previous patients were treated with excisional surgery. We treated a case conservatively with needle aspiration using ultrasonography, after a nerve conduction study. A 77-year-old man presented with impaired active finger extension of the left metacarpophalangeal joints. The nerve conduction study revealed conduction block of the left radial nerve near the elbow. Ultrasonography demonstrated a hypoechoic mass anterior to the radial neck compressing the posterior interosseous nerve...
March 2017: Journal of Ultrasonography
https://www.readbyqxmd.com/read/28439429/the-standards-of-an-ultrasound-examination-of-the-prostate-gland-part-2
#13
REVIEW
Janusz F Tyloch, Andrzej Paweł Wieczorek
The paper discusses the rules of the proper performing of the ultrasound examination of the prostate gland. It has been divided into two parts: the general part and the detailed part. The first part presents the necessary requirements related to the ultrasound equipment needed for performing transabdominal and transrectal examinations of the prostate gland. The second part presents the application of the ultrasound examination in benign prostatic hyperplasia, in cases of prostate inflammation and in prostate cancer...
March 2017: Journal of Ultrasonography
https://www.readbyqxmd.com/read/28439324/contemporary-diagnostic-imaging-of-oral-squamous-cell-carcinoma-a-review-of-literature
#14
REVIEW
Paulina Pałasz, Łukasz Adamski, Magdalena Górska-Chrząstek, Anna Starzyńska, Michał Studniarek
Oral squamous cell carcinoma (OSCC) is the most common cancer of the oral cavity and constitutes 95% of all cancers of this area. Men are affected twice as commonly as women, primarily if they are over 50 years of age. Forty percent of the lesions are localized in the tongue and 30% in the floor of the oral cavity. OSCC often affects upper and lower gingiva, buccal mucous membrane, the retromolar triangle and the palate. The prognosis is poor and the five-year survival rate ranges from 20% (OSCC in the floor of the mouth) to 60% (OSCC in the alveolar part of the mandible)...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28439323/caudal-regression-syndrome-a-case-series-of-a-rare-congenital-anomaly
#15
Yogesh Kumar, Nishant Gupta, Kusum Hooda, Pranav Sharma, Salil Sharma, Puneet Kochar, Daichi Hayashi
BACKGROUND: Caudal regression syndrome is a rare, neural tube defect characterized by an abnormal development of the caudal aspect of the vertebral column and the spinal cord., It results in neurological deficits ranging from bladder and bowel involvement to severe sensory and motor deficits in the lower limbs. Maternal diabetes, genetic factors and some teratogens have been shown to be associated with its pathogenesis. Caudal regression syndrome is usually diagnosed initially by antenatal ultrasound with more definitive diagnosis made by antenatal or postnatal MRI...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28438794/intraductal-oncocytic-papillary-neoplasm-a-benign-hepatic-cystic-neoplasm
#16
Angela Tong, Gregory Veillette, Alexandra Budhai, Anthony Gilet
A 61-year-old Asian man presented with severe right upper quadrant pain which had been worsening for several months. Laboratory results indicated elevated aspartate aminotransferase and alanine aminotransferase. The subsequent ultrasound, CT and MRI showed a large cystic mass with solid components and severe intrahepatic and extrahepatic biliary ductal dilatation. The mass was resected and pathology showed a well-demarcated mucinous cystic lesion with polygonal cells containing ovoid nuclei and abundant pink oncocytic cytoplasm...
April 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28438672/the-management-strategy-of-benign-solitary-intraductal-papilloma-on-breast-core-biopsy
#17
Dayoung Ko, Eunyoung Kang, So Yeon Park, Sun Mi Kim, Mijung Jang, Bo La Yun, Sumin Chae, Yerang Jang, Hye Jin Kim, Sung-Won Kim, Eun-Kyu Kim
BACKGROUND: Intraductal papilloma (IDP) is well-known as one of the common benign breast lesions requiring excision. However, treatment of IDP without atypia is controversial. The aim of our study was to determine the proper management of solitary IDP by core needle biopsy (CNB). PATIENTS AND METHODS: We retrospectively reviewed patients with solitary IDP confirmed by CNB from March 2003 to March 2015. We collected data about final pathology after excision, as well as clinical, histologic, and radiologic findings at initial diagnosis...
April 1, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28438401/a-control-system-for-ultrasound-devices-utilized-for-inactivating-e-coli-in-wastewater
#18
H Ohrdes, I Ille, J Twiefel, J Wallaschek, R Nogueira, K-H Rosenwinkel
Sonochemical processes applied to wastewater treatment have an influence on the behavior of ultrasonic systems. This is especially due to the load characteristic of the sonochemical process itself and the temperature increase caused by internal damping within the converter. Hence, a controlling device is needed to guarantee the operation in resonance and to keep the vibration amplitude constant. This paper presents a digital control system for the operation of weak to strong damped ultrasonic devices and its application for inactivating Escherichia coli in wastewater...
April 16, 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28438383/remitting-seronegative-symmetrical-synovitis-with-pitting-edema-rs3pe-syndrome-induced-by-nivolumab
#19
Marie-Léa Gauci, Barouyr Baroudjian, Pauline Laly, Isabelle Madelaine, Laetitia Da Meda, Laetitia Vercellino, Martine Bagot, Frédéric Lioté, Cécile Pages, Céleste Lebbé
INTRODUCTION: A new articular syndrome described as immunrelated side effect of immunotherapy: PD-1 inhibitors have revolutionized the treatment of advanced melanoma but are responsible for immune-related toxicity. We report a case of remitting seronegative symetrical synovitis with pitting edema (RS3PE) syndrome induced by nivolumab. CASE REPORT: A 80 year-old man with stage IV BRAF-wild type and NRAS exon 2-mutated melanoma was treated first line by nivolumab 3mg/kg every 2 weeks...
March 8, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28438089/feline-biliary-tree-and-gallbladder-disease
#20
Corma Ma Otte, Louis C Penning, Jan Rothuizen
Practical relevance Diseases of the biliary tree and gallbladder are more common in cats than diseases of the liver parenchyma. The parenchyma is usually affected secondarily to systemic illnesses, while the biliary system is the prime target for infectious agents (eg, bacteria and flukes) and non-infectious conditions (eg, neoplasia and cysts). Clinical approaches Cats with biliary disease are evaluated because of common feline clinical signs such as anorexia, nausea, vomiting and lethargy. Icterus may or may not be obvious...
May 2017: Journal of Feline Medicine and Surgery
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