keyword
https://read.qxmd.com/read/38535510/clinical-characteristics-of-118-pediatric-patients-with-acute-benign-myositis-associated-with-influenza-a-virus-infection
#1
JOURNAL ARTICLE
Shaoqun Jiang, Jieling Li, Jie Cao, Yuexu Ou, Yuanhui Duan, Xiaoming Gan
OBJECTIVE: The objective of this study was to investigate the clinical and laboratory features of acute benign myositis associated with influenza A virus infection in children. METHODS: A retrospective analysis was performed on the clinical data of 118 children with acute benign myositis associated with influenza A virus infection who were admitted to the Children's Hospital of Chongqing Medical University during the epidemic period of influenza A from February 2023 to May 2023...
March 27, 2024: Pediatric Infectious Disease Journal
https://read.qxmd.com/read/38534881/primary-bone-lymphoma-of-the-scapula
#2
Josip Lovaković, Inga Mandac Smoljanović, Andro Matković, Tomislav Smoljanović
Primary bone lymphoma of the scapula is a rare tumor that usually causes local pain. The presented patient suffered for two years from paresthesia, tingling, numbness, and edema of the little and ring fingers. The 45-year-old man underwent several radiological and neurological assessments of the palm, elbow, and neck before radiographs revealed a tumor of the left shoulder. Once diffuse large B-cell lymphoma was confirmed, immunochemotherapy with rituximab, cyclophosphamide, doxorubicin, vincristine, and methylprednisolone (R-CHOP) started...
February 28, 2024: Hematology Reports
https://read.qxmd.com/read/38532750/noninvoluting-congenital-hemangiomas-with-hypovolemic-shock-anemia-and-prolonged-jaundice-in-a-neonate-a-case-report
#3
Mansoor Aslamzai, Turyalai Hakimi, Mesbahullah Mushoud, Abdul Hakim Mukhlis
Noninvoluting congenital hemangioma is an extremely rare congenital anomaly in newborn babies and may complicate life-threatening events, including hemorrhage. We present a very rare case of noninvoluting congenital hemangiomas in an Asian and Afghan six-day-old girl that was detected at birth. The noninvoluting congenital hemangiomas were accompanied by hypovolemic shock, anemia, and prolonged jaundice during the first two weeks of life. These diseases were diagnosed by medical history, physical examination, blood analysis, and doppler ultrasonography of the skin lesions...
March 2024: Oxford Medical Case Reports
https://read.qxmd.com/read/38524506/clinical-characteristics-of-testicular-torsion-and-factors-influencing-testicular-salvage-in-children-a-12-year-study-in-tertiary-center
#4
JOURNAL ARTICLE
Xiang-Hui Gang, Yuan-Yuan Duan, Bin Zhang, Zheng-Gan Jiang, Rong Zhang, Jun Chen, Xiang-Yu Teng, Duo-Bing Zhang
BACKGROUND: Testicular torsion is the most common acute scrotum worldwide and mainly occurs in children and adolescents. Studies have demonstrated that the duration of symptoms and torsion grade lead to different outcomes in children diagnosed with testicular torsion. AIM: To predict the possibility of testicular salvage (TS) in patients with testicular torsion in a tertiary center. METHODS: We reviewed the charts of 75 pediatric patients with acute testicular torsion during a 12-year period from November 2011 to July 2023 at the Suzhou Hospital of Anhui Medical University...
March 6, 2024: World Journal of Clinical Cases
https://read.qxmd.com/read/38524366/doppler-detection-triggers-instantaneous-escape-behavior-in-scanning-bats
#5
JOURNAL ARTICLE
Soshi Yoshida, Kazuma Hase, Olga Heim, Kohta I Kobayasi, Shizuko Hiryu
Animals must instantaneously escape from predators for survival, which requires quick detection of approaching threats. Although the neural mechanisms underlying the perception of looming objects have been extensively studied in the visual system, little is known about their auditory counterparts. Echolocating bats use their auditory senses to perceive not only the soundscape, but also the physical environment through active sensing. Although object movement induces both echo delay changes and Doppler shifts, the actual information required to perceive movement has been unclear...
March 15, 2024: IScience
https://read.qxmd.com/read/38523822/infected-femoral-artery-pseudoaneurysm-ligation-and-revascularisation-a-case-report
#6
Mohammed Alsagheer Alhewy, Ehab Abd Elmoneim Ghazala, Hassan Gado, Wael Abdo Abdo Abd-Elgawad, Ahmed Atef Khamis
KEY CLINICAL MESSAGE: Although ligating femoral pseudoaneurysm is a safe procedure, some cases require revascularization, and the appropriate treatment should be tailored to the patient. ABSTRACT: In this case report, we highlight the challenge in treating infected femoral artery pseudoaneurysm. The patient, a 37-year-old male intravenous drug abuser, presented to the emergency department with a 2-month history of a progressively growing lump over his right groin...
March 2024: Clinical Case Reports
https://read.qxmd.com/read/38518130/probabilistic-analysis-of-color-doppler-ultrasonography-for-breast-cancer-detection-in-asymptomatic-individuals
#7
JOURNAL ARTICLE
Jing Liu, Yang Zhao, Heling Zhang, Yupin Song
OBJECTIVE: This study aims to investigate and analyze the detection rate of breast cancer utilizing color Doppler ultrasonography in asymptomatic individuals. METHODS: A cohort of 500 female patients who underwent physical examinations at our hospital from January 2018 to August 2020 was selected for this research. The diagnosis involved conventional surgical palpation and color Doppler ultrasound in all cases. The control group underwent conventional surgical palpation, while the study group utilized the color Doppler ultrasound diagnosis method...
March 22, 2024: Alternative Therapies in Health and Medicine
https://read.qxmd.com/read/38512141/correlation-analysis-of-serum-mir-145-and-mir-210-with-carotid-artery-stenosis-and-their-predictive-value-for-cerebral-ischemic-events
#8
JOURNAL ARTICLE
Nasa Qian, Lijun Qiu
OBJECTIVE: To analyze the significance of serum miR-145 and miR-210 expression levels in the diagnosis of carotid artery stenosis. METHODS: During the same period, 55 healthy individuals who received physical examination in the same hospital were recruited as controls and assigned to a non-stenosis group. Among the included patients, there were 45 cases of mild stenosis, 14 cases of moderate stenosis, and 6 cases of severe stenosis after carotid color Doppler ultrasonography...
March 21, 2024: International Journal of Neuroscience
https://read.qxmd.com/read/38510865/the-importance-of-differential-diagnosis-in-splenogonadal-fusion-a-case-report
#9
Inês Coelho Mogárrio, Carla Pilar, Ema Santos, Fátima Alves
Splenogonadal fusion is a rare, benign congenital malformation characterized by the association of splenic tissue and gonads (typically testicles). It is a condition of male predominance and can be classified into two types: continuous, if the spleen and gonad are united by a splenic cord or fibrous tissue, or discontinuous. Splenogonadal fusion is often associated with other congenital anomalies such as cryptorchidism, limb defects, and micrognathia. Differential diagnosis can be difficult and includes inguinal hernia, spermatic cord cyst, cryptorchidism, or testicular mass...
February 2024: Curēus
https://read.qxmd.com/read/38509041/plethysmography-a-game-changer-for-chronic-venous-insufficiency-diagnosis-treatment-and-follow-up
#10
JOURNAL ARTICLE
Hakan Guven
OBJECTIVE: Chronic Venous Insufficiency (CVI) presents a various clinical symptoms and treatment options. Although it is generally known which treatment option is more appropriate in which situations in CVI, it is even more difficult to find the right option in some uncertain situations. In this study, we aimed to evaluate the potential contribution of Digital Photoplethysmography (D-PPG) in the diagnosis of CVI and especially in the selection of treatment options. PATIENTS AND METHOD: This retrospective study was conducted at Bursa Heart and Arrhythmia Hospital, involving 721 consecutive patients diagnosed with CVI and with Endovenous Laser Ablation (EVLA) indication...
March 20, 2024: Vascular
https://read.qxmd.com/read/38506018/-the-normal-sonographic-picture-of-the-paratonsillar-region-and-the-prerequisites-for-ultrasound-diagnosis-of-purulent-pathology-of-the-pharynx
#11
JOURNAL ARTICLE
Yu Yu Rusetsky, A P Miroshnichenko, V A Elovikov, M A Kogan, D T Haddadin
Paratonsillar abscess (PTA) stands out among all otorhinolaryngological diseases, since it can cause life-threatening complications that develop in the shortest possible time due to the close connection of the cellular spaces of the head, neck and mediastinum. In addition to physical examination, computed tomography and magnetic resonance imaging are routinely used to diagnose PTA, sonography is less often used. With the help of the latter, it is possible to reliably distinguish PTA from both paratonsillitis and a number of other diseases, including an aneurysm of the internal carotid artery, using the Doppler mode...
2024: Vestnik Otorinolaringologii
https://read.qxmd.com/read/38493614/case-report-of-mondor-disease-in-a-49-year-old-albanian-woman
#12
Zamira Shabani, Arketa Pllumi Guli
INTRODUCTION AND IMPORTANCE: Mondor Disease is superficial thrombophlebitis mostly located in the thoracic-abdominal wall, mid-upper arm, and penis. The disease can affect all people over 30 years old regardless of race, ethnicity but affects women more than men. The importance of this study case consists on being the first reported case of Mondor Disease in Albania. CASE PRESENTATION: In this study, a case of superficial thrombophlebitis affecting the thoraco-epigastric veins in the right chest wall is reported...
March 15, 2024: International Journal of Surgery Case Reports
https://read.qxmd.com/read/38482574/jugular-venous-flow-dynamics-during-acute-weightlessness
#13
JOURNAL ARTICLE
Karina Marshall-Goebel, Stuart M C Lee, Jason R Lytle, David S Martin, Christopher A Miller, Millennia Young, Steven S Laurie, Brandon R Macias
During spaceflight fluids shift headward, causing internal jugular vein (IJV) distension and altered hemodynamics, including stasis and retrograde flow, that may increase the risk of thrombosis. This study's purpose was to determine the effects of acute exposure to weightlessness (0-G) on IJV dimensions and flow dynamics. We used 2D ultrasound to measure IJV cross-sectional area (CSA) and Doppler ultrasound to characterize venous blood flow patterns in the right and left IJV in 13 healthy participants (6 female) while 1) seated and supine on the ground, 2) supine during 0-G parabolic flight, and 3) supine during level flight (at 1-G)...
March 14, 2024: Journal of Applied Physiology
https://read.qxmd.com/read/38477655/low-divergence-cold-wall-oven-for-loading-ion-traps
#14
JOURNAL ARTICLE
Anand Prakash, Akhil Ayyadevara, E Krishnakumar, S A Rangwala
We present a compact cold-wall oven that is simple to build and align for loading miniature ion traps with calcium ions. The cold-wall oven, which is a metal-loaded capillary heated only through a portion of its length by the passage of a current, is described and characterized. An atomic beam with a low divergence of 14 mrad is produced. We perform Doppler-sensitive, resonant fluorescence measurements on the atomic beam to characterize the oven's performance. The emission of atoms from the oven is seen within ∼70 s after turning on the oven at an electric power consumption of <10 W...
March 1, 2024: Review of Scientific Instruments
https://read.qxmd.com/read/38474953/remote-emotion-recognition-using-continuous-wave-bio-radar-system
#15
JOURNAL ARTICLE
Carolina Gouveia, Beatriz Soares, Daniel Albuquerque, Filipa Barros, Sandra C Soares, Pedro Pinho, José Vieira, Susana Brás
The Bio-Radar is herein presented as a non-contact radar system able to capture vital signs remotely without requiring any physical contact with the subject. In this work, the ability to use the proposed system for emotion recognition is verified by comparing its performance on identifying fear, happiness and a neutral condition, with certified measuring equipment. For this purpose, machine learning algorithms were applied to the respiratory and cardiac signals captured simultaneously by the radar and the referenced contact-based system...
February 22, 2024: Sensors
https://read.qxmd.com/read/38473700/-solanum-lycopersicum-tomato-derived-nanovesicles-accelerate-wound-healing-by-eliciting-the-migration-of-keratinocytes-and-fibroblasts
#16
JOURNAL ARTICLE
Valeria Daniello, Vincenzo De Leo, Maria Lasalvia, Md Niamat Hossain, Annalucia Carbone, Lucia Catucci, Roberto Zefferino, Chiara Ingrosso, Massimo Conese, Sante Di Gioia
Plant-derived nanovesicles have been considered interesting in medicine for their breakthrough biological effects, including those relevant to wound healing. However, tomato-derived nanovesicles (TDNVs) have not been studied for their effects on wound closure yet. TDNVs were isolated from Solanum lycopersicum (var. Piccadilly) ripe tomatoes by ultracentrifugation. Extract (collected during the isolation procedure) and NVs (pellet) were characterized by transmission electron microscopy and laser Doppler electrophoresis...
February 20, 2024: International Journal of Molecular Sciences
https://read.qxmd.com/read/38464326/dynamic-mode-decomposition-for-transient-cavitation-bubbles-imaging-in-pulsed-high-intensity-focused-ultrasound-therapy
#17
Minho Song, Oleg A Sapozhnikov, Vera A Khokhlova, Tatiana D Khokhlova
Pulsed high-intensity focused ultrasound (pHIFU) can induce sparse de novo inertial cavitation without the introduction of exogenous contrast agents, promoting mild mechanical disruption in targeted tissue. Because the bubbles are small and rapidly dissolve after each HIFU pulse, mapping transient bubbles and obtaining real-time quantitative metrics correlated to tissue damage are challenging. Prior work introduced Bubble Doppler, an ultrafast power Doppler imaging method as a sensitive means to map cavitation bubbles...
March 1, 2024: bioRxiv
https://read.qxmd.com/read/38457696/positronium-laser-cooling-via-the-1-3-s-2-3-p-transition-with-a-broadband-laser-pulse
#18
JOURNAL ARTICLE
L T Glöggler, N Gusakova, B Rienäcker, A Camper, R Caravita, S Huck, M Volponi, T Wolz, L Penasa, V Krumins, F P Gustafsson, D Comparat, M Auzins, B Bergmann, P Burian, R S Brusa, F Castelli, G Cerchiari, R Ciuryło, G Consolati, M Doser, Ł Graczykowski, M Grosbart, F Guatieri, S Haider, M A Janik, G Kasprowicz, G Khatri, Ł Kłosowski, G Kornakov, L Lappo, A Linek, J Malamant, S Mariazzi, V Petracek, M Piwiński, S Pospíšil, L Povolo, F Prelz, S A Rangwala, T Rauschendorfer, B S Rawat, V Rodin, O M Røhne, H Sandaker, P Smolyanskiy, T Sowiński, D Tefelski, T Vafeiadis, C P Welsch, M Zawada, J Zielinski, N Zurlo
We report on laser cooling of a large fraction of positronium (Ps) in free flight by strongly saturating the 1^{3}S-2^{3}P transition with a broadband, long-pulsed 243 nm alexandrite laser. The ground state Ps cloud is produced in a magnetic and electric field-free environment. We observe two different laser-induced effects. The first effect is an increase in the number of atoms in the ground state after the time Ps has spent in the long-lived 2^{3}P states. The second effect is one-dimensional Doppler cooling of Ps, reducing the cloud's temperature from 380(20) to 170(20) K...
February 23, 2024: Physical Review Letters
https://read.qxmd.com/read/38439252/broadband-radar-absorbing-metamaterial-based-on-al-sio-2-conductive-composite-film
#19
JOURNAL ARTICLE
Zaiqing Yang, Xiaoming Liu, Yuchen Hua, Caiyi Liu, Zhijia Zhang, Zhiyu Ren, Shuang Yuan, Qiang Wang
Artificially designed metamaterial structures can manipulate electromagnetic waves, endowing them with exotic physical properties that are not found in natural materials, such as negative refractive index, superlens, and inverse Doppler effect. These characteristics are widely applied in various engineering and military applications. Due to increasingly complex application environments and innovation in radar detection technology, the combination of broadband absorption performance under thin thickness and efficient preparation methods at low cost is often the focus of research on new generation stealth materials...
February 12, 2024: Optics Express
https://read.qxmd.com/read/38433567/coherent-light-scattering-from-cellular-dynamics-in-living-tissues
#20
REVIEW
David D Nolte
This review examines the biological physics of intracellular transport probed by the coherent optics of dynamic light scattering from optically thick living tissues. Cells and their constituents are in constant motion, composed of a broad range of speeds spanning many orders of magnitude that reflect the wide array of functions and mechanisms that maintain cellular health. From the organelle scale of tens of nanometers and upward in size, the motion inside living tissue is actively driven rather than thermal, propelled by the hydrolysis of bioenergetic molecules and the forces of molecular motors...
March 4, 2024: Reports on Progress in Physics
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