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Ethanol ablation

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https://www.readbyqxmd.com/read/28188671/synthesis-of-magnetic-nanoparticles-by-ultrashort-pulsed-laser-ablation-of-iron-in-different-liquids
#1
Alexander Kanitz, Jan Stefan Hoppius, María Del Mar Sanz, Marco Maicas, Andreas Ostendorf, Evgeny Lev 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, VSM and SQUID magnetometry. These properties of the generated nanoparticle ensembles reflected the influence of the liquid environment on the particle formation process...
February 11, 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
#2
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
#3
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
#4
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
#5
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
https://www.readbyqxmd.com/read/28149799/microwave-ablation-for-thyroid-nodules-a-new-string-to-the-bow-for-percutaneous-treatments
#6
Francesco Morelli, Andrea Sacrini, Giovanni Pompili, Anna Borelli, Silvia Panella, Annamaria Masu, Loredana De Pasquale, Roberta Giacchero, Gianpaolo Carrafiello
BACKGROUND: Thyroid nodules are a fairly common finding in general population and, even if most of them are benign, a treatment can be however necessary. In the last years, non surgical minimally invasive techniques have been developed to treat this pathology, starting from percutaneous ethanol injection (PEI), to laser ablation (LA), radiofrequency ablation (RFA) and, most recently, microwave ablation (MWA). METHODS: We reviewed all medical literature searching in pubmed...
December 2016: Gland Surgery
https://www.readbyqxmd.com/read/28134698/68ga-exendin-4-pet-ct-in-evaluation-of-endoscopic-ultrasound-guided-ethanol-ablation-of-an-insulinoma
#7
Yaping Luo, Ji Li, Aiming Yang, Hongbo Yang, Fang Li
A 32-year-old man with endogenous hyperinsulinemic hypoglycemia was clinically diagnosed with an insulinoma. Conventional imaging result was negative, and a previous exploratory laparotomy with distal pancreatectomy failed to detect the tumor. Ga-exendin-4 PET/CT showed a lesion with intense radioactivity in the head of the pancreas suggestive of an insulinoma, and endoscopic ultrasound-guided ethanol ablation was performed. Postablation evaluation with Ga-exendin-4 PET/CT showed markedly decreased radioactivity of the tumor...
January 27, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28133944/echoendoscopic-ablative-therapy-for-pancreatic-solid-tumors
#8
Woo Hyun Paik, Dong Wan Seo
Initially, endoscopic ultrasound (EUS) was developed to inspect the pancreas and other organs adjacent to the gastrointestinal tract. After introduction of curvilinear-array echoendoscopes, EUS has been used for a variety of interventions in gastroenterology including fine needle aspiration, pancreatobiliary drainage, and tumor ablation. EUS-guided ablation of pancreatic cystic tumor with ethanol and with or without cytotoxic agents has been studied in many clinical trials and showed potential to become an alternative to surgery...
January 30, 2017: Journal of Digestive Diseases
https://www.readbyqxmd.com/read/28133123/-a-case-of-laparoscopic-resection-of-peritoneal-hepatocellular-carcinoma-recurrence-after-percutaneous-ethanol-injection-therapy
#9
Daisuke Muroya, Masafumi Yasunaga, Yusaku Date, Shogo Fukutomi, Nobuhisa Shirahama, Shoichiro Arai, Yohei Nakama, Ryuichi Kawahara, Hisamune Sakai, Hiroto Ishikawa, Toru Hisaka, Jun Akiba, Yoshito Akagi, Hiroyuki Tanaka, Koji Okuda
Needle tract implantation after percutaneous ethanol injection therapy(PEIT)for hepatocellular carcinoma(HCC)is rare. Surgical treatment of such HCC implants is still controversial. We herein report the case of a patient who underwent laparoscopic resection for peritoneal dissemination after PEIT. An 81-year-old man underwent PEIT for primary HCC at another hospital. Thereafter, percutaneous radiofrequency ablation(RFA)was performed twice for intrahepatic recurrence. After the second RFA, a mass lesion was detected at the subhepatic space on computed tomography(CT)...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28105097/curative-effects-of-rf-combined-with-dsa-guided-ethanol-sclerotherapy-in-venous-malformations
#10
Xing Wang, Jian Meng, Jie Zhang, Ruihan Wu, Jianmin Gu, Cuiling Shao, Kun Han
The aim of the study was to investigate the clinical effect of radiofrequency (RF) ablation combined with digital subtraction angiography (DSA)-guided anhydrous ethanol injection sclerotherapy in the treatment of high-return flow venous malformation (VM). Forty-one patients who were diagnosed as high-return flow VM with clinical and radiographic evidence were divided into the observation group (n=19) and control group (n=22) by random number table. All the patients received DSA-guided anhydrous ethanol injection sclerotherapy while the patients in the observation group were given RF ablation in addition...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28042935/laser-assisted-synthesis-of-colloidal-ni-core-niox-shell-nanoparticles-in-water-and-alcoholic-solvents
#11
Niusha Lasemi, Ulrich Pacher, Christian Rentenberger, Oscar Bomati Miguel, Wolfgang Kautek
The nanosecond pulse laser-assisted generation of Ni-core/NiOx-shell nanoparticles (NPs) in water and alcoholic fluids can yield colloidal solutions without surfactants. The size distribution could be controlled by the nature of the alcohol, the number of laser pulses, and the laser fluence. The incubation of the nickel target ablation in liquid contact showed a dependence on the carbon number of the respective alcohol. The laser-generated NPs consisted of crystalline nickel cores with face centred cubic patterns and stacking fault defects surrounded by nickel oxide shells...
January 2, 2017: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/27957639/treatment-efficacy-and-safety-of-ethanol-ablation-for-thyroglossal-duct-cysts-a-comparison-with-surgery
#12
Mi Sun Chung, Jung Hwan Baek, Jeong Hyun Lee, Young Jun Choi, Jong Ho Yoon, Soon Yuhl Nam, Seong Chul Kim, Jin Yong Sung, Seon Mi Baek, Dong Gyu Na
OBJECTIVE: To compare the efficacy and safety of ethanol ablation (EA) for thyroglossal duct cyst (TGDC) against surgery. METHODS: This study included 345 patients (289, surgery; 56, EA) treated for TGDC at four institutions between May 2005 and June 2014. Surgery (whole surgery and Sistrunk operation which is the current standard surgical method) and EA were compared with respect to the treatment failure and complication rates. The cost of EA and surgery was also compared...
December 12, 2016: European Radiology
https://www.readbyqxmd.com/read/27867681/local-ablative-treatments-for-hepatocellular-carcinoma-an-updated-review
#13
REVIEW
Antonio Facciorusso, Gaetano Serviddio, Nicola Muscatiello
Ablative treatments currently represent the first-line option for the treatment of early stage unresectable hepatocellular carcinoma (HCC). Furthermore, they are effective as bridging/downstaging therapies before orthotopic liver transplantation. Contraindications based on size, number, and location of nodules are quite variable in literature and strictly dependent on local expertise. Among ablative therapies, radiofrequency ablation (RFA) has gained a pivotal role due to its efficacy, with a reported 5-year survival rate of 40%-70%, and safety...
November 6, 2016: World Journal of Gastrointestinal Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27835871/comparing-the-long-term-efficacy-of-standard-and-combined-minimally-invasive-procedures-for-unresectable-hcc-a-mixed-treatment-comparison
#14
Jianghai Zhao, Hui Zhang, Lunshou Wei, Shuping Xie, Zhimin Suo
A small proportion of hepatocellular carcinoma (HCC) patients are suitable for surgical resections and various minimally invasive procedures have been introduced as alternatives to surgical resections. However, the relative efficacy of minimally invasive procedures remains to be studied in the current literature. Several popular minimally invasive procedures (monotherapy or combined therapies) were selected for comparison and their relative long-term efficacy were determined by using the statistics of hazard ratio (HR) which evaluates the survival status of HCC patients in one, two, three and four years, respectively...
November 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27807381/attempted-ultrasound-guided-ethanol-ablation-of-a-suspected-pancreatic-pseudocyst-in-a-dog
#15
Ryan A Sadler, Erica L Fields, Jacqueline C Whittemore
A 9-year-old, spayed female toy poodle dog developed refractory anorexia after pancreatitis. Abdominal imaging showed a cystic structure compressing the stomach. Appetite improved after percutaneous drainage of the structure, but the structure refilled within 48 h. Percutaneous ethanol ablation of the structure was attempted. Afterwards, the patient developed fatal hypotensive shock.
November 2016: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/27799963/transarterial-ethanol-ablation-combined-with-transarterial-chemoembolization-for-hepatocellular-carcinoma-with-portal-vein-tumor-thrombus
#16
Biao Yang, Xin You, Min Lan Yuan, Tian Qiang Qin, Lin Jia Duan, Jiao He, Ze Jun Fei, Xuan Zhou, Rui Yu Zan, Zheng Yin Liao
BACKGROUND: The prognosis for hepatocellular carcinoma (HCC) with portal vein tumor thrombosis (PVTT) is extremely poor. OBJECTIVES: This study aimed to evaluate the safety and effectiveness of transarterial ethanol ablation (TEA) for the treatment of HCC with PVTT. METHODS: Patients were treated with TEA for PVTT under cone-beam computed tomography and traditional transarterial chemoembolization (TACE) with epirubicin for intrahepatic lesions...
August 2016: Hepatitis Monthly
https://www.readbyqxmd.com/read/27797242/transarterial-chemoembolization-monotherapy-in-combination-with-radiofrequency-ablation-or-percutaneous-ethanol-injection-for-hepatocellular-carcinoma
#17
Chuan Xu, Peng-Hua Lv, Xin-En Huang, Shu-Xiang Wang, Ling Sun, Fu-An Wang
PURPOSE: To evaluate whether combined transarterial chemoembolization (TACE) with radiofrequency ablation (RFA) or percutaneous ethanol injection (PEI) for hepatocellular carcinoma (HCC) have superior efficacy to transarterial chemoembolization (TACE) alone a retrospective review was conducted. METHODS: During January 2009 to March 2013, 108 patients with hepatocellular carcinoma underwent TACE or combined therapies (TACE+RFA or TACE+PEI). The long-term survival rates were evaluated in those patients by various statistical analyses...
2016: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/27785449/hepatocellular-carcinoma-a-review
#18
REVIEW
Julius Balogh, David Victor, Emad H Asham, Sherilyn Gordon Burroughs, Maha Boktour, Ashish Saharia, Xian Li, R Mark Ghobrial, Howard P Monsour
Hepatocellular carcinoma (HCC) is the most common primary liver malignancy and is a leading cause of cancer-related death worldwide. In the United States, HCC is the ninth leading cause of cancer deaths. Despite advances in prevention techniques, screening, and new technologies in both diagnosis and treatment, incidence and mortality continue to rise. Cirrhosis remains the most important risk factor for the development of HCC regardless of etiology. Hepatitis B and C are independent risk factors for the development of cirrhosis...
2016: Journal of Hepatocellular Carcinoma
https://www.readbyqxmd.com/read/27770998/formation-of-alloy-nanoparticles-by-laser-ablation-of-au-fe-multilayer-films-in-liquid-environment
#19
Vincenzo Amendola, Stefano Scaramuzza, Francesco Carraro, Elti Cattaruzza
Laser ablation in liquids (LAL) emerged as a powerful technique for the synthesis of multielement nanoparticles (NPs) such as metal alloys with thermodynamically forbidden composition. Consequently, there is a great interest in expanding the current knowledge about NPs formation during LAL, in order to improve the control on product structure and to extend the range of compositions accessible by this technique. Here we performed a systematic investigation on alloy NPs formation by nanosecond LAL of Au/Fe/glass multilayers with different thickness and order of deposition...
March 1, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/27759849/long-term-results-after-ct-guided-percutaneous-ethanol-ablation-for-the-treatment-of-hyperfunctioning-adrenal-disorders
#20
Nathan Elie Frenk, Fernando Sebastianes, Antonio Marcondes Lerario, Maria Candida Barisson Villares Fragoso, Berenice Bilharinho Mendonca, Marcos Roberto de Menezes
OBJECTIVES: To evaluate the safety and long-term efficacy of computed tomography-guided percutaneous ethanol ablation for benign primary and secondary hyperfunctioning adrenal disorders. METHOD: We retrospectively evaluated the long-term results of nine patients treated with computed tomography-guided percutaneous ethanol ablation: eight subjects who presented with primary adrenal disorders, such as pheochromocytoma, primary macronodular adrenal hyperplasia and aldosterone-producing adenoma, and one subject with Cushing disease refractory to conventional treatment...
October 1, 2016: Clinics
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