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Endoscopic ultrasound

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https://www.readbyqxmd.com/read/28445104/endoscopic-ultrasound-guided-direct-portal-pressure-measurement-using-a-digital-pressure-wire-with-real-time-remote-display-a-survival-study
#1
Allison R Schulman, Christopher C Thompson, Marvin Ryou
BACKGROUND: Portal hypertension is necessary for the development of most clinical complications of cirrhosis. We recently reported a novel, endoscopic ultrasound (EUS)-guided technique for direct portal pressure measurements using a digital pressure wire. AIMS: The aims of this study were to (1) evaluate safety in an animal survival model and (2) compare direct portal vein (PV) versus transhepatic access of a first-order venule. MATERIALS AND METHODS: Yorkshire pigs, weighing 40-55 kg...
April 26, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28444527/endoscopic-ultrasound-guided-fine-needle-aspiration-of-extra-rectal-lesions
#2
J Lim, S A Norton, N A Wong, M G Thomas
No abstract text is available yet for this article.
April 25, 2017: Techniques in Coloproctology
https://www.readbyqxmd.com/read/28442697/when-should-we-give-up-filtration-surgery-indications-techniques-and-results-of-cyclodestruction
#3
Marisse Masis Solano, Guofu Huang, Shan C Lin
PURPOSE: Cyclodestructive procedures are traditionally used in cases of glaucoma that are refractory to medical and surgical therapy. The goal of this chapter is to describe the indications, contraindications, techniques, and pitfalls of cyclodestructive procedures, including transscleral cyclophotocoagulation (TCP), micropulse TCP (MP-TCP), endoscopic cyclophotocoagulation (ECP), and ultrasound cilioplasty. METHODS: A literature search for cyclodestructive techniques was performed, and relevant studies were included for evaluation and review...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28442139/intraoperative-ultrasound-assisted-approach-for-endoscopic-treatment-of-vesicoureteral-reflux-in-children
#4
Elisa Zambaiti, Maria Sergio, Alessandra Casuccio, Sergio Salerno, Marcello Cimador
PURPOSE: Despite minimal invasiveness and high success rate, guidelines still prescribe voiding Cystourethrogram (VCUG) after endoscopic treatment for vesicoureteral reflux (VUR) in children. The aim of this paper was to analyze whether intraoperative ultrasound (IO-US) could improve surgical accuracy and perioperative counseling, thus potentially decreasing the need for postoperative VCUG. METHODS: We selected children treated for moderate to high grade VUR, renal scarring or repeated infections under antibiotic prophylaxis from January to December 2015...
April 18, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28440242/esophageal-adenocarcinoma-metastasis-in-the-left-adrenal-gland-diagnosed-by-endoscopic-ultrasound-guided-fine-needle-aspiration
#5
Everton Hadlich, Augusto P C Carbonari, Maurício S Assef, Osvaldo M Araki, Frank S Nakao, Mauro T A Saieg, Lúcio G B Rossini
No abstract text is available yet for this article.
March 2017: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/28440241/endoscopic-ultrasound-guided-choledochoduodenostomy-for-obstructive-jaundice-with-venous-collaterals-around-the-bile-duct-wall-with-video
#6
Takeshi Ogura, Saori Onda, Wataru Takagi, Toshihisa Takeuchi, Shinya Fukunishi, Kazuhide Higuchi
No abstract text is available yet for this article.
March 2017: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/28440240/cystic-pancreatic-lymphangioma-diagnosed-with-endoscopic-ultrasound-guided-fine-needle-aspiration
#7
Ikram Hussain, Tiing Leong Ang
Pancreatic lymphangiomas are rare, but benign neoplasms. Historically, the diagnoses in various case reports were mostly made after surgical resection. There are emerging data concerning the utility of endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) to differentiate it from more sinister pancreatic cystic neoplasms. A confident preoperative diagnosis with EUS-FNA is crucial to avoid unnecessary workup or surgery, especially for small and asymptomatic lesions. Here, we present a rare case of asymptomatic pancreatic lymphangioma which was diagnosed with EUS-FNA...
March 2017: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/28440239/feasibility-safety-and-outcomes-of-a-single-step-endoscopic-ultrasonography-guided-drainage-of-pancreatic-fluid-collections-without-fluoroscopy-using-a-novel-electrocautery-enhanced-lumen-apposing-self-expanding-metal-stent
#8
Joseph Yoo, Linda Yan, Raza Hasan, Saana Somalya, Jose Nieto, Ali A Siddiqui
BACKGROUND AND OBJECTIVES: There are currently limited data available regarding the safety of endoscopic ultrasound (EUS)-guided drainage of pancreatic fluid collections (PFCs) using the lumen-apposing metal stent without fluoroscopic guidance. This study aims to evaluate clinical outcomes and safety of EUS-guided drainage of PFC using the electrocautery-enhanced lumen-apposing metal stents (EC-LAMSs) without fluoroscopic guidance. METHODS: We conducted a retrospective study on patients with symptomatic PFC who underwent EUS-guided drainage using EC-LAMS without fluoroscopy...
March 2017: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/28440238/thermal-ablation-of-pancreatic-cyst-with-a-prototype-endoscopic-ultrasound-capable-radiofrequency-needle-device-a-pilot-feasibility-study
#9
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/28440237/new-criteria-to-differentiate-between-mucinous-cystic-neoplasm-and-serous-cystic-neoplasm-in-pancreas-by-endoscopic-ultrasound-a-preliminarily-confirmed-outcome-of-41-patients
#10
Wengang Zhang, Enqiang Linghu, Ningli Chai, Huikai Li
BACKGROUND AND OBJECTIVES: The ability to distinguish between mucinous cystic neoplasm (MCN) and serous cystic neoplasm (SCN) in the pancreas preoperatively by endoscopic ultrasound (EUS) remains a clinical challenge. To address this problem, we have developed new criteria using EUS findings and cyst fluid carcinoembryonic antigen (CEA) in the clinic. In this study, the validity and reliability of these criteria were assessed. MATERIALS AND METHODS: Between April of 2015 and May of 2016, a total of 59 patients with pancreatic cystic neoplasms underwent EUS and ultimately received surgery in our hospital...
March 2017: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/28440236/endoscopic-ultrasound-guided-fine-needle-aspiration-can-target-right-liver-mass
#11
Dongwook Oh, Dong-Wan Seo, Seung-Mo Hong, Tae Jun Song, Do Hyun Park, Sang Soo Lee, Sung Koo Lee, Myung-Hwan Kim
BACKGROUND AND OBJECTIVES: Endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) has been established as a safe and accurate method for diagnosing and staging intra-abdominal mass. However, few studies investigated its feasibility, efficacy, and safety for targeting liver mass. We evaluated the efficacy and safety of EUS-FNA in patients with liver masses including the right lobe. PATIENTS AND METHODS: The technical feasibility, safety, and diagnostic yield were determined in 47 patients (30 in the left lobe and 17 in the right lobe) presenting with liver masses between September 2010 and February 2016...
March 2017: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/28440235/the-effect-of-solid-pancreatic-mass-lesions-on-pancreatic-duct-diameter-at-endoscopic-ultrasound
#12
Anand C Baxi, Qingwei Jiang, Jinghua Hao, Zhuo Yang, Kevin Woods, Steven Keilin, Field F Willingham, Qiang Cai
OBJECTIVES: To evaluate the effect of solid pancreatic masses on the pancreatic duct (PD) at the endoscopic ultrasound (EUS) and the relationship of the location/size of a mass and PD dilation. MATERIALS AND METHODS: Patients who underwent EUS for pancreatic indications from 2011 to 2013 at a single center were retrospectively identified. Those with biopsies that revealed adenocarcinoma or neuroendocrine tumors in the pancreas were identified and PD size was ascertained from EUS, computed tomography, or magnetic resonance imaging...
March 2017: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/28440234/endoscopic-ultrasound-of-peritoneal-spaces
#13
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/28440233/-clinical-cytology-for-endoscopists-a-practical-guide
#14
REVIEW
Michael Hocke, Theodoros Topalidis, Barbara Braden, Christoph F Dietrich
Clinical cytology was originally used by clinicians to provide rapid diagnosis. However, with advancing medical subspecialization, few clinicians interpret cytology themselves these days, for example, gynecologists, hematologists, urologists, and occasional gastroenterologist (mainly in Asian countries). Cytological assessment enjoyed a renaissance with the development of endoscopic ultrasound (EUS)-guided fine-needle aspiration (FNA). Subsequently, pathologists, most of them more experienced in histology, had to take over...
March 2017: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/28440232/clinical-use-of-endoscopic-ultrasound-guided-fine-needle-aspiration-guidelines-and-recommendations-from-chinese-society-of-digestive-endoscopy
#15
Nan Ge, Shutian Zhang, Zhendong Jin, Siyu Sun, Aiming Yang, Bangmao Wang, Guiqi Wang, Guoqiang Xu, Jianyu Hao, Liang Zhong, Ning Zhong, Peng Li, Qi Zhu, Weidong Nian, Wen Li, Xiaofeng Zhang, Xiaoping Zhou, Xiujiang Yang, Yi Cui, Zhen Ding
No abstract text is available yet for this article.
March 2017: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/28436843/fabrication-and-performance-of-a-miniaturized-and-integrated-endoscope-ultrasound-convex-array-for-digestive-tract-imaging
#16
Jue Peng, Xiaojian Peng, Hu Tang, Xiaozhen Li, Ruimin Chen, Yang Li, Tianfu Wang, Siping Chen, Koping Shung, Qifa Zhou
OBJECTIVE: This work presents the design, fabrication and testing of a miniaturized and integrated ultrasound endoscope for use as an in situ digestive diagnostic device to facilitate real-time ultrasound guidance of intervention treatments. METHODS: We designed an optimal structure to integrate an auto-focus 5-megapixel camera module with an 8-MHz, 64-element curvilinear ultrasonic array in one miniaturized package. A novel three-axis auto-focusing voice coil motor (VCM) was designed and manufactured for the camera module to move the lens position for auto-focusing and to adjust the lens tilt...
April 24, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28434027/can-ultrasound-be-used-as-the-primary-imaging-in-children-with-suspected-crohn-disease
#17
Timothy L Tsai, Megan B Marine, Matthew R Wanner, Matthew L Cooper, Steven J Steiner, Fangqian Ouyang, S Gregory Jennings, Boaz Karmazyn
BACKGROUND: There is growing literature on the use of ultrasound (US) for evaluation of Crohn disease in adults, but few studies have been conducted on children. Several studies demonstrated high accuracy of US in the diagnosis of Crohn disease. Using US as the primary screening imaging modality for Crohn disease can reduce health care costs, the need for sedation and ionizing radiation exposure. OBJECTIVE: The aim of our study is to determine if US can be used for screening evaluation of pediatric Crohn disease...
April 22, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28433784/needle-tract-tumour-seeding-following-endoscopic-ultrasound-guided-fine-needle-aspiration-eus-fna-of-metastatic-squamous-cell-carcinoma
#18
Anurag Goel, Kenneth Ca Hon, Andre Chong
No abstract text is available yet for this article.
April 19, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28433494/patterns-of-care-and-clinical-outcomes-in-primary-oesophageal-gastrointestinal-stromal-tumours-gist-a-retrospective-study-of-the-french-sarcoma-group-fsg
#19
F Duffaud, P Meeus, F Bertucci, J-B Delhorme, E Stoeckle, N Isambert, E Bompas, J Gagniere, O Bouché, M Toulmonde, S Salas, J-Y Blay, S Bonvalot
BACKGROUND: Oesophageal GIST (ESOGIST) are very rare tumours requiring special consideration regarding diagnosis, surgical management, and perioperative treatment. METHODS: A retrospective study was conducted across 9 centres in the French Sarcoma Group (FSG) to characterize all patients in the years 2000-2014. RESULTS: Seventeen patients (pts) with primary localized ESOGIST were identified, with median age 69 years (36-81) and 11 females...
April 1, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28427440/hypoglycemia-identified-by-a-continuous-glucose-monitoring-system-in-a-second-trimester-pregnant-woman-with-insulinoma-a-case-report
#20
Marjeta Tomazic, Andrej Janez, Maja Ravnik Oblak
BACKGROUND: Insulinoma associated with pregnancy is a very rare condition and can be difficult to diagnose. Here, we present an interesting case of insulinoma occurring during pregnancy with special attention paid to the use of a continuous glucose monitoring system to detect hypoglycemia. CASE PRESENTATION: A 36-year-old white woman in the second trimester of pregnancy presented with recurrent episodes of hypoglycemia associated with neuroglycopenic symptoms. The use of a continuous glucose monitoring system confirmed hypoglycemia...
April 21, 2017: Journal of Medical Case Reports
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