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Procedure: Ultrasound

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Total 2303 results found since Jan 2013.

Fallopian Tube Dermoid Tumor
A 40-year-old gravida 0 female presented to her primary care physician with gradual onset right lower quadrant pain. She had an evaluation including CT and ultrasound imaging. Both imaging modalities had findings suspicious for an intra-tubal dermoid cyst (Fig 1). Conventional laparoscopy was performed which confirmed a massively enlarged right fallopian tube, distended with fatty appearing material (Fig 2). She underwent right salpingectomy with contained specimen extraction without intraoperative spill.
Source: The Journal of Minimally Invasive Gynecology - September 21, 2023 Category: OBGYN Authors: Toni Horton, Tri Dinh Tags: IMAGES IN Gynecological Surgery Source Type: research

A neonate with aseptic cutaneous necrosis related to the migration of the proximal central venous catheter infusion port
We report a case of aseptic cutaneous necrosis from extravasation of calcium chloride at the proximal port of a central venous catheter (CVC). A right internal jugular CVC was placed with ultrasound guidance using contemporary guidelines for size and insertion site. Catheter migration occurred concurrent with development of postoperative anasarca. Four days later, leakage of infusate with skin necrosis was noted at the insertion site. Despite initial proper positioning, catheter ports can migrate out of intravascular structures due to postprocedural subcutaneous edema. Intravascular confirmation should be performed regular...
Source: Paediatric Anaesthesia - September 20, 2023 Category: Anesthesiology Authors: Gokul Thimmarayan Michael Schmitz Jorge Guerrero Xiomara Garcia Sairi Zhang Destiny Chau Source Type: research

Correlationship between self-assembly behavior and emulsion stabilization of pea protein-high methoxyl pectin complexes treated with ultrasound at pH 2.0
This study investigated the effects of ultrasound on the self-assembly behavior of pea protein (PP)-high methoxyl pectin (HMP) complexes at pH 2.0 through transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), and intrinsic fluorescence analysis. The emulsion stabilization mechanism of PP-HMP treated with ultrasound (PP-HMP-US) was also elucidated. The results indicated that ultrasound increased the emulsifying activity index (EAI) and emulsifying stability index (ESI) of PP-HMP. Moreover, PP-HMP-US-based emulsions formed small, dispersed oil drops, which were stable during storage. PP-HMP-...
Source: Ultrasonics Sonochemistry - September 18, 2023 Category: Chemistry Authors: Kaiyuan Ma Lifen Zhang Xiaoyang Sun Fusheng Chen Tingwei Zhu Source Type: research

Molecules, Vol. 28, Pages 6669: Sustainable Recovery of Phenolic Compounds from Distilled Rosemary By-Product Using Green Extraction Methods: Optimization, Comparison, and Antioxidant Activity
hatzopoulou Rosemary solid distillation waste (SWR), a by-product of the essential oil industry, represents an important source of phenolic antioxidants. Green technologies such as ultrasound-assisted extraction (UAE), microwave-assisted extraction (MAE), and accelerated solvent extraction (ASE) of phenolic compounds from SWR were optimized as valorization routes to maximize yield, rosmarinic acid (RMA), carnosol (CARO) and carnosic acid (CARA) contents. Response surface methodology was used in this context, with ethanol concentration (X1), extraction temperature (X2), and time (X3) being the independent variables. A s...
Source: Molecules - September 17, 2023 Category: Chemistry Authors: Maria Irakli Adriana Skendi Elisavet Bouloumpasi Stamatia Christaki Costas G. Biliaderis Paschalina Chatzopoulou Tags: Article Source Type: research

Preparation, Characterization, and Molecular Dynamic Simulation of Novel Coenzym Q10 Loaded Nanostructured Lipid Carriers
CONCLUSION: The solid lipids: tripalmitin and compritol, stabilized with 4% tween 80 and 1% span 80, have produced stable NLC with the best surface characteristics that could be a promising formulation for the delivery of Q10. Atomistic M.D. simulation has confirmed the stability of F1 in comparison to F31.PMID:37694784 | DOI:10.2174/1381612829666230911105913
Source: Current Pharmaceutical Design - September 11, 2023 Category: Drugs & Pharmacology Authors: Hoda Atapour-Mashhad Mojgan Nejabat Farzin Hadizadeh Afsaneh Hoseinsalari Shiva Golmohammadzadeh Source Type: research

Right phrenic nerve palsy following long-gap esophageal atresia and tracheoesophageal fistula repair
Ashitosh D Pokharkar, M Aditya, Deepak Kandpal, Saroja Balan, Vidya Gupta, Sujit K ChowdharyJournal of Indian Association of Pediatric Surgeons 2023 28(5):433-435 Esophageal atresia (EA) and tracheoesophageal fistula (TEF) are surgically correctable congenital anomalies with reported surgical common complications such as anastomotic leaks, recurrent TEF, and esophageal strictures; however, phrenic nerve injury (PNI) is a very rare but possible complication which we have highlighted in our case report. Here, we report a baby girl operated for long-gap EA and TEF having respiratory distress and failed attempts to wean off o...
Source: Journal of Indian Association of Pediatric Surgeons - September 5, 2023 Category: Surgery Authors: Ashitosh D Pokharkar M Aditya Deepak Kandpal Saroja Balan Vidya Gupta Sujit K Chowdhary Source Type: research

Sonodynamic amplification of cGAS-STING activation by cobalt-based nanoagonist against bone and metastatic tumor
Biomaterials. 2023 Aug 26;302:122295. doi: 10.1016/j.biomaterials.2023.122295. Online ahead of print.ABSTRACTThe therapeutic effect of cancer immunotherapy is restrained by limited patient response rate caused by 'cold' tumors with an intrinsically immunosuppressive tumor microenvironment (TME). Activating stimulator of interferon genes (STING) confers promising antitumor immunity even in 'cold' tumors, but the further promotion of STING agonists is hindered by undesirable toxicity, low specificity and lack of controllability. Herein, an ultrasound-controllable cGAS-STING amplifying nanoagonist was constructed by coordinat...
Source: Biomaterials - September 4, 2023 Category: Materials Science Authors: Jie Lei Weifeng Zhang Liang Ma Yaqi He Huaizhen Liang Xiaoguang Zhang Gaocai Li Xiaobo Feng Lei Tan Cao Yang Source Type: research

Changes in the structural and physicochemical characteristics of sonicated potato flour
Ultrason Sonochem. 2023 Aug 30;99:106573. doi: 10.1016/j.ultsonch.2023.106573. Online ahead of print.ABSTRACTUltrasound has been widely used for physical modifications of starch because of its effectiveness and environment friendliness; however, only a few reports have focused on the effect of varying ultrasonic treatments on the physicochemical properties of potato flour. In the present study, ultrasound at varying power levels (200, 300, 400, 500, and 600 W) and time intervals (20, 40, 60, 80, and 100 min) were used to obtain sonicated flour. Sonicated potato flour exhibited a significant (P < 0.05) decrease in blue v...
Source: Ultrasonics Sonochemistry - September 4, 2023 Category: Chemistry Authors: Xiaoyan Hou Xiaowan Li Jianlong Li Jun Cong Lingyan Jiang Guanghui Shen Anjun Chen Zhiqing Zhang Source Type: research

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