Echocardiography is the most important noninvasive diagnostic tool for the cardiologist. More than 617.000 two-dimensional echo examinations and 425.000 color coded Doppler analyses were performed in 1992 in the Federal Republic of Germany in private practice. Based on a questionnaire, more than 60% of the departments of cardiology perform echocardiograms in more than 3000 pts per year, and the amount of TEE examinations is in the range 5-15% of the total annual echo performance rate. In more than 80% of all examinations color coded Doppler is used. With regard to the guidelines for performing the different echo modalities the German recommendations are stringent in comparison with the international standard. Due to the fact that an echocardiographic examination is strongly investigator dependent, the primary goal of quality management should be focused on training.
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Biosensors (Basel)
January 2025
State Key Laboratory of Radio Frequency Heterogeneous Integration (Shenzhen University), Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China.
Fluorescence lifetime imaging (FLIM) has established itself as a pivotal tool for investigating biological processes within living cells. However, the extensive imaging duration necessary to accumulate sufficient photons for accurate fluorescence lifetime calculations poses a significant obstacle to achieving high-resolution monitoring of cellular dynamics. In this study, we introduce an image reconstruction method based on the edge-preserving interpolation method (EPIM), which transforms rapidly acquired low-resolution FLIM data into high-pixel images, thereby eliminating the need for extended acquisition times.
View Article and Find Full Text PDFDent J (Basel)
December 2024
Department of Cariology, Endodontics and Oral Pathology, School of Dental Medicine, University of Medicine and Pharmacy Iuliu Hatieganu, Str. Motilor 33, 400001 Cluj-Napoca, Romania.
: Dental pulp and its neuro-vascular bundle (NVB) are among the least studied dental tissues. This study identified the best method for evaluating ischemic risks in the dental pulp and NVB of healthy lower premolars under orthodontic forces and in intact periodontium. : Nine 3D models of the second lower premolar were reconstructed based on the CBCT scans from nine patients.
View Article and Find Full Text PDFBMC Public Health
January 2025
Department of Nutritional Sciences, College of Health and Human Development, The Pennsylvania State University, University Park, PA, 16802, USA.
Background: Fruits and vegetables are primary sources of vitamins and minerals that may alleviate the risk of chronic illnesses. However, Indian adolescents consume inadequate amounts of fruits and vegetables, with less than 10% meeting recommendations. Micronutrient deficiencies are a major public health problem in India.
View Article and Find Full Text PDFJ Clin Neurosci
January 2025
Department of Ultrasonic Medicine, Fudan University Affiliated Huashan Hospital, No 12, Middle Wulumuqi Road, Shanghai 200040, China. Electronic address:
Objective: This prospective observational study aimed to assess the effectiveness of B-mode ultrasound, color-coded Doppler, and shear-wave elastography in predicting intracranial pressure (ICP) and their capability to evaluate the efficacy of ICP lowering therapy.
Materials And Methods: Forty-eight neuro-critical care patients were enrolled and categorized into 2 groups based on ICP measurements obtained through external ventricular drainage: the intracranial hypertension (IH) and normal ICP groups. The optic nerve (ON) sheath diameter (ONSD), end diastolic velocity, peak systolic velocity, resistance index of the central retinal artery (CRA), and Young's modulus (YM) of the ON were recorded after external ventricular drainage placement and following ICP lowering treatment in the IH group.
Angew Chem Int Ed Engl
January 2025
Northwest University, College of Chemistry & Materials Science, CHINA.
The encapsulation of viologen derivatives in metal-organic frameworks (MOFs) to construct host-guest materials has been widely discussed owing to their distinctive spatial arrangement and physical/chemical properties. Herein, three new photochromic MOFs (NWM-1-3) have been successfully synthesized by 1,1,2,2-Tetra(4-carboxylphenyl)ethylene (H4TCPE) ligand as well as three different viologen derivatives based on host-guest strategy. Remarkably, NWM-1-3 exhibit a notable reversible photochromism change from yellow to green under 365 nm UV irradiation.
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