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Ethanol ablation

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https://www.readbyqxmd.com/read/28628747/laser-ablation-of-silver-in-liquid-organic-monomer-influence-of-experimental-parameters-on-the-synthesized-silver-nanoparticles-graphite-colloids
#1
Maxime Delmée, Gregory Mertz, Julien Bardon, Adeline Marguier, Lydie Ploux, Vincent Roucoules, David Ruch
During the last decade, synthesizing silver nanoparticles (Ag NPs) by Liquid Phase-Pulsed Laser Ablation (LP-PLA) has attracted a lot of attention. Basically, this technique allows producing various metallic nanoparticles with controlled size, shape, composition or surroundings in several liquids (i.e.: water, ethanol, acetone, toluene,…). Recently, such processes have been studied in liquid organic monomer such as methyl methacrylate (MMA). However, the influence of the laser parameters on the materials synthesised in such reactive liquid and their features were not fully investigated so far...
June 19, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28589088/a-2016-italian-survey-about-guidelines-and-clinical-management-of-thyroid-nodules
#2
Roberto Negro, Roberto Attanasio, Franco Grimaldi, Andrea Frasoldati, Rinaldo Guglielmi, Enrico Papini
BACKGROUND: While thyroid nodules are frequent in endocrine clinical practice, patients are often asymptomatic and euthyroid, and death is rare in cases of malignancy. OBJECTIVES: To evaluate the perception of current international guidelines regarding thyroid nodule management among Italian endocrinologists, and to compare daily clinical practice with suggested recommendations. METHODS: Italian Association of Clinical Endocrinologists (AME) members were invited to participate in a Web-based survey...
April 2017: European Thyroid Journal
https://www.readbyqxmd.com/read/28511236/long-term-outcomes-after-endoscopic-ultrasound-guided-ablation-of-pancreatic-cysts
#3
Jun-Ho Choi, Dong Wan Seo, Tae Jun Song, Do Hyun Park, Sang Soo Lee, Sung Koo Lee, Myung-Hwan Kim
Background and study aims The aim of this study was to investigate the long-term outcomes after endoscopic ultrasound (EUS)-guided pancreatic cyst ablation. Patients and methods In a single-center, prospective study, 164 patients with pancreatic cysts underwent EUS-guided cyst ablation using ethanol with paclitaxel. The inclusion criteria were as follows: unilocular or oligolocular cysts; clinically indeterminate cysts that required EUS fine-needle aspiration; and/or cysts that grew during the observation period...
May 16, 2017: Endoscopy
https://www.readbyqxmd.com/read/28490991/other-non-surgical-treatments-for-liver-cancer
#4
Paul Revel-Mouroz, Philippe Otal, Marion Jaffro, Antoine Petermann, Olivier Meyrignac, Pierre Rabinel, Fatima-Zohra Mokrane
Interventional radiology plays a major role in the modern management of liver cancers, in primary hepatic malignancies or metastases and in palliative or curative situations. Radiological treatments are divided in two categories based on their approach: endovascular treatment and direct transcapsular access. Endovascular treatments include mainly three applications: transarterial chemoembolization (TACE), transarterial radioembolization (TARE) and portal vein embolization (PVE). TACE and TARE share an endovascular arterial approach, consisting of a selective catheterization of the hepatic artery or its branches...
March 2017: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/28458908/endoscopic-ultrasound-guided-ethanol-ablation-therapy-for-pancreatic-insulinoma-an-unusual-strategy
#5
Adriana de Sousa Lages, Isabel Paiva, Patrícia Oliveira, Francisco Portela, Francisco Carrilho
SUMMARY: Insulinomas are the most frequent cause of hyperinsulinaemic hypoglycaemia. Although surgical enucleation is the standard treatment, a few other options are available to high-risk patients who are elderly or present with co-morbidities. We present a case report of an 89-year-old female patient who was admitted to the emergency department due to recurrent hypoglycaemia, especially during fasting. Laboratory work-up raised the suspicion of hyperinsulinaemic hypoglycaemia, and abdominal CT scan revealed a 12 mm nodular hypervascular lesion of the pancreatic body suggestive of neuroendocrine tumour...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28458598/innovative-techniques-for-image-guided-ablation-of-benign-thyroid-nodules-combined-ethanol-and-radiofrequency-ablation
#6
REVIEW
Hye Sun Park, Jung Hwan Baek, Young Jun Choi, Jeong Hyun Lee
In the treatment of benign thyroid nodules, ethanol ablation (EA), and radiofrequency ablation (RFA) have been suggested for cystic and solid thyroid nodules, respectively. Although combining these ablation techniques may be effective, no guidelines for or reviews of the combination have been published. Currently, there are three ways of combining EA and RFA: additional RFA is effective for treatment of incompletely resolved symptoms and solid residual portions of a thyroid nodule after EA. Additional EA can be performed for the residual unablated solid portion of a nodule after RFA if it is adjacent to critical structures (e...
May 2017: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
https://www.readbyqxmd.com/read/28453557/perivascular-radiofrequency-renal-denervation-lowers-blood-pressure-and-ameliorates-cardiorenal-fibrosis-in-spontaneously-hypertensive-rats
#7
Shujie Wei, Dan Li, Yan Zhang, Linan Su, Yunrong Zhang, Qiang Wang, Dachun Yang, De Li, Yongjian Yang, Shuangtao Ma
BACKGROUND: Catheter-based renal denervation (RDN) is a promising approach to treat hypertension, but innervation patterns limit the response to endovascular RDN and the post-procedural renal artery narrowing or stenosis questions the endovascular ablation strategy. This study was performed to investigate the anti-hypertensive and target organ protective effects of perivascular RDN in spontaneously hypertensive rats (SHR). METHODS: SHR and normotensive Wistar-Kyoto (WKY) rats were divided into sham group (n = 10), radiofrequency ablation group (n = 20) in which rats received bilateral perivascular ablation with radiofrequency energy (2 watts), and chemical (10% phenol in 95% ethanol) ablation group (n = 12)...
2017: PloS One
https://www.readbyqxmd.com/read/28407263/successful-ablation-of-plunging-ranula-by-ultrasound-guided-percutaneous-ethanol-injection
#8
Michelle-Linh T Nguyen, Lisa A Orloff
Evidence supporting any one treatment for plunging ranula is limited. Standard treatment-complete excision of the sublingual gland and ranula-is invasive and morbid given the close operative proximity to the submandibular duct and lingual nerve. OK-432 (Picibanil; Chugai Pharmaceutical Co., Tokyo, Japan) sclerotherapy has been studied as a less invasive treatment but is inaccessible in the United States. This report illustrates the successful management of a plunging ranula using ultrasound-guided percutaneous ethanol injection...
April 13, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28352923/-diagnostic-approach-and-management-of-hypercalcaemia-in-dogs-exemplary-of-primary-hyperparathyroidism
#9
B Désirée Ballhausen, Astrid Wehner, Martin Zöllner, Katrin Hartmann, Stefan Unterer
Hypercalcaemia can be caused by many different diseases. This article summarizes the causes, pathophysiologic mechanisms and diagnostic procedures as well as treatment recommendations. The main focus is on hypercalcaemia in primary hyperparathyroidism (PH), complemented by a case report. An elevated total calcium level should generally be investigated and verified by measurement of ionized calcium concentration. The further diagnostic approach depends on the phosphate level. Tumour screening, measurement of parathormone and parathromone-related protein and sonography of parathyroid glands may be necessary...
April 19, 2017: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/28336571/regulation-of-alcohol-extinction-and-cue-induced-reinstatement-by-specific-projections-among-medial-prefrontal-cortex-nucleus-accumbens-and-basolateral-amygdala
#10
Colby R Keistler, Emma Hammarlund, Jacqueline M Barker, Colin W Bond, Ralph J DiLeone, Christopher Pittenger, Jane R Taylor
The ability to inhibit drinking is a significant challenge for recovering alcoholics, especially in the presence of alcohol-associated cues. Previous studies have demonstrated that the regulation of cue-guided alcohol seeking is mediated by the basolateral amygdala (BLA), nucleus accumbens (NAc), and medial prefrontal cortex (mPFC). However, given the high interconnectivity between these structures, it is unclear how mPFC projections to each subcortical structure, as well as projections between BLA and NAc, mediate alcohol-seeking behaviors...
April 26, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28302001/liver-transplantation-for-hepatocellular-carcinoma-beyond-the-milan-criteria
#11
Fulya Gunsar
Hepatocellular carcinoma is the most common primary liver malignancy. Liver transplantation has been a successful therapy for selected patients with hepatocellular carcinoma. Since 1996, Milan criteria have been universally recognized as the guidelines for selecting patients with hepatocellular carcinoma for orthotopic liver transplantation. However, the simple use of tumor size and number has been insufficient to indicate the biologic features of hepatocellular carcinoma and to predict the risk of tumor recurrence...
March 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28295909/optical-and-magnetic-properties-of-fe-nanoparticles-fabricated-by-femtosecond-laser-ablation-in-organic-and-inorganic-solvents
#12
Jesica M J Santillán, David Muñetón Arboleda, Diego F Coral, Marcela B Fernández van Raap, Diego Muraca, Daniel C Schinca, Lucía B Scaffardi
Magnetic nanoparticles have attracted much interest due to their broad applications in biomedicine and pollutant remediation. In this work, the optical, magnetic, and structural characteristics of colloids produced by ultrashort pulsed laser ablation of a solid Fe target were studied in four different media: HPLC water, an aqueous solution of trisodium citrate, acetone, and ethanol. Optical extinction spectroscopy revealed an absorption band in the UV region for all, in contrast to the results obtained with nanosecond lasers...
May 5, 2017: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/28293379/clinical-features-histology-and-histogenesis-of-combined-hepatocellular-cholangiocarcinoma
#13
REVIEW
Shweta Gera, Mark Ettel, Gabriel Acosta-Gonzalez, Ruliang Xu
Combined hepatocellular-cholangiocarcinoma (CHC) is a rare tumor with poor prognosis, with incidence ranging from 1.0%-4.7% of all primary hepatic tumors. This entity will be soon renamed as hepato-cholangiocarcinoma. The known risk factors for hepatocellular carcinoma (HCC) have been implicated for CHC including viral hepatitis and cirrhosis. It is difficult to diagnose this tumor pre-operatively. The predominant histologic component within the tumor largely determines the predominant radiographic features making it a difficult distinction...
February 28, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28250896/endoscopy-guided-ablation-of-pancreatic-lesions-technical-possibilities-and-clinical-outlook
#14
REVIEW
Marianna Signoretti, Roberto Valente, Alessandro Repici, Gianfranco Delle Fave, Gabriele Capurso, Silvia Carrara
Endoscopic ultrasound (EUS) and endoscopic retrograde cholangiopancreatography (ERCP)-guided ablation procedures are emerging as a minimally invasive therapeutic alternative to radiological and surgical treatments for locally advanced pancreatic cancer (LAPC), pancreatic neuroendocrine tumours (PNETs), and pancreatic cystic lesions (PCLs). The advantages of treatment under endoscopic control are the real-time imaging guidance and the possibility to reach a deep target like the pancreas. Currently, radiofrequency probes specifically designed for ERCP or EUS ablation are available as well as hybrid cryotherm probe combining radiofrequency with cryotechnology...
February 16, 2017: World Journal of Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28242556/intracavitary-ethanol-ablation-for-the-management-of-uterine-hemorrhage-refractory-to-uterine-artery-embolization
#15
Taylor M Morris, David H Ballard, Horacio B D'Agostino
A 57-year-old postmenopausal woman with end-stage liver disease secondary to alcoholic cirrhosis, esophageal varices, severe alcoholic cardiomyopathy, and metrorrhagia causing persistent anemia despite multiple transfusions presented with heavy vaginal bleeding. The patient underwent two uterine artery embolizations with proximal coils instead of directed particles due to difficult anatomy but the bleeding continued despite these interventions. Since she was a poor surgical candidate for hysterectomy, the decision was made to attempt achievement of hemostasis via ethanol injection into the uterine cavity...
May 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28188671/synthesis-of-magnetic-nanoparticles-by-ultrashort-pulsed-laser-ablation-of-iron-in-different-liquids
#16
Alexander Kanitz, Jan S Hoppius, María Del Mar Sanz, Marco Maicas, Andreas Ostendorf, Evgeny L Gurevich
Magnetic nanoparticles were generated by ultrashort pulsed laser ablation of an iron target in water, methanol, ethanol, acetone and toluene. The relationship between ablation rate, liquid properties and the physical and chemical properties of the nanoparticles was studied. Composition, morphology and magnetic properties were investigated by TEM, XPS and vibrating-sample (VSM) and SQUID magnetometry. The properties of the generated nanoparticle ensembles reflected the influence of the liquid environment on the particle formation process...
May 5, 2017: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/28187109/endoscopic-ultrasound-guided-ethanol-ablation-for-control-of-local-regional-metastatic-insulinoma
#17
Mohit Mittal, Benjamin Yip, John Gunn Lee
No abstract text is available yet for this article.
March 2017: Pancreas
https://www.readbyqxmd.com/read/28186767/size-control-of-silver-core-silica-shell-nanoparticles-fabricated-by-laser-ablation-assisted-chemical-reduction
#18
Victor A Ermakov, Ernesto Jimenez-Villar, José Maria Clemente da Silva Filho, Emre Yassitepe, Naga Vishnu Vardhan Mogili, Fernando Iikawa, Gilberto Fernandes de Sá, Carlos Lenz Cesar, Francisco Chagas Marques
Aqueous colloidal silver nanoparticles have substantial potential in biological application as markers and antibacterial agents and in surface-enhanced Raman spectroscopy applications. A simple method of fabrication and encapsulation into an inert shell is of great importance today to make their use ubiquitous. Here we show that colloids of silver-core/silica-shell nanoparticles can be easily fabricated by a laser-ablation-assisted chemical reduction method and their sizes can be tuned in the range of 2.5 to 6...
February 20, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28179284/the-evolving-role-of-local-treatments-for-hcc-in-the-third-millennium
#19
REVIEW
Paolo Magistri, Giuseppe Tarantino, Roberto Ballarin, Massimiliano Berretta, Annarita Pecchi, Giovanni Ramacciato, Fabrizio DI Benedetto
BACKGROUND: Hepatocellular carcinoma (HCC) represents the fifth most common malignancy and the third cancer-related cause of death worldwide. The aim of this review was to clarify the role of local treatments for HCC, analyzing the indications and defining future perspectives. MATERIALS AND METHODS: A systematic literature search was performed independently by two of the authors according to the PRISMA statement guidelines. The search was limited to studies reported in English between January 2005 and June 2016...
2017: Anticancer Research
https://www.readbyqxmd.com/read/28164017/alcohol-septal-ablation-for-hypertrophic-obstructive-cardiomyopathy-in-a-patient-with-a-chronic-total-occlusion-of-the-right-coronary-artery-beware-of-collateral-damage
#20
Quentin de Hemptinne, Fabien Picard, Philippe L L'Allier
Alcohol septal ablation (ASA) is an effective semi-invasive alternative to surgical myectomy in selected patients for the management of severely symptomatic and drug-refractory hypertrophic obstructive cardiomyopathy (HOCM). One contraindication of this procedure is the presence of collateral flow originating from the target septal perforator to a remote myocardial territory. In such circumstances, ethanol injection could cause remote non-target myocardial necrosis in the collateralized territory. Percutaneous revascularization of the collateralized vessel prior to ASA might cope with this contraindication by restoring normal antegrade flow in the occluded artery...
February 2017: Cardiovascular Diagnosis and Therapy
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