The effects of dioxycol and low-frequency ultrasound alone and in combinations on the microflora of suppurative wounds formed after opening of maxillofacial phlegmons are assessed in 142 patients. Clinical and laboratory findings indicate a higher efficacy of combined use of these treatment modalities, which are recommended for optimal local treatment of purulent maxillofacial wounds.
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Front Pharmacol
January 2025
Department of Ultrasound, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, China.
Introduction: Tumor tissues exhibit significantly lower oxygen partial pressure compared to normal tissues, leading to hypoxia in the tumor microenvironment and result in resistance to tumor treatments. Strategies to mitigate hypoxia include enhancing blood perfusion and oxygen supply, for example,by decomposing hydrogen peroxide within the tumor. Improving hypoxia in the tumor microenvironment could potentially improve the efficacy of cancer treatments.
View Article and Find Full Text PDFJ Exp Biol
January 2025
Dartmouth College, Ecology, Evolution, Environment & Society Graduate Program, Hanover NH, USA.
Many animals communicate using call and response signals, but the evolutionary origins of this type of communication are largely unknown. In most cricket species, males sing and females walk or fly to calling males. In the tribe Lebinthini, however, males produce calls that trigger a vibrational reply from females, and males use the substrate vibrations to find the responding female.
View Article and Find Full Text PDFCurr Med Imaging
January 2025
Department of Ultrasound, Peking University First Hospital, Beijing 100034, China.
Aims: Studies specifically examining the sonographic features of juvenile fibroadenoma in the pediatric population have not been documented. We aimed to analyze sonograms of juvenile fibroadenoma in children.
Subjects And Methods: Patients aged ≤ 18 years who underwent breast ultrasound examinations at our department and had pathologically proven juvenile fibroadenoma from September 2002 to January 2022 were included in this study.
Brain Struct Funct
January 2025
Department of Radiology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330006, Jiangxi Province, China.
A significant proportion of patients who have recovered from COVID-19 suffer from persistent symptoms, referred to as "post-acute sequelae of SARS-CoV-2 infection (PASC)". Abnormal brain intrinsic activity has been observed in PASC patients, but the patterns of frequency-dependent intrinsic activity in the PASC and non-PASC (recovered COVID-19 patients without persistent symptoms) groups and their association with neuropsychiatric sequelae remain unclear in PASC. Twenty-nine PASC patients, 27 non-PASC subjects, and 31 healthy controls (HCs) were recruited.
View Article and Find Full Text PDFFront Physiol
January 2025
Susan Samueli Integrative Health Institute and Department of Medicine, University of California, Irvine, Irvine, CA, United States.
Stellate ganglion blockade (SGB) is a practical approach to managing many clinical disorders. Ultrasound-guided SGB is currently adopted as a more effective and safer method in humans. Developing this technique in rats would facilitate further study of SGB application.
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