The effect of low-intensity intravascular laser blood irradiation on morphofunctional characteristics of erythrocytes and circulation parameters has been studied experimentally on 22 adult inbred anesthetized dogs of both sexes 9 to 23 kg of weight during a 2-hour hemorrhagic shock and in the first hours after resuscitation. It has been established that the use of intravascular laser blood irradiation during 45 min of hemorrhagic shock stabilizes erythrocyte membranes and improves myocardial function. Hyperdynamic and hyperperfusion syndromes were significantly more pronounced in the postresuscitation period in animals treated by intravascular laser blood irradiation than in the control. Thus, the efficacy of intravascular laser blood irradiation was associated both with the recovery of erythrocyte cytoarchitectonics and the enhancement of myocardial contractility.
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Sci Rep
January 2025
Department of Plastic, Aesthetic, Hand and Reconstructive Surgery, Hannover Medical School, Carl-Neuberg-Str. 1, D-30625, Hannover, Germany.
Finger amputations following complex hand injuries (CHI) pose a significant challenge in hand surgery due to severe tissue trauma and neurovascular damage, necessitating precise arterial repair. While restoring arterial perfusion is critical, it remains unclear whether reconstructing both proper palmar digital arteries is required for optimal outcomes. This study evaluates whether restoring one or both arteries in finger replantation after complex injuries impacts perfusion and overall outcomes.
View Article and Find Full Text PDFSensors (Basel)
January 2025
Shunde Innovation School, University of Science and Technology Beijing, Foshan 528399, China.
Mid-infrared spectral analysis has long been recognized as the most accurate noninvasive blood glucose measurement method, yet no practical compact mid-infrared blood glucose sensor has ever passed the accuracy benchmark set by the USA Food and Drug Administration (FDA): to substitute for the finger-pricking glucometers in the market, a new sensor must first show that 95% of their glucose measurements have errors below 15% of these glucometers. Although recent innovative exploitations of the well-established Fourier-transform infrared (FTIR) spectroscopy have reached such FDA accuracy benchmarks, an FTIR spectrometer is too bulky. The advancements of quantum cascade lasers (QCLs) can lead to FTIR spectrometers of reduced size, but compact QCL-based noninvasive blood glucose sensors are not yet available.
View Article and Find Full Text PDFJ Clin Med
January 2025
Division of Hand, Plastic and Aesthetic Surgery, University Hospital, Ludwig-Maximilians-Universität München, 81377 Munich, Germany.
The autologous reconstruction of the female breast using a microsurgical DIEP flap is a reliable and safe method. To detect impairments early and preserve the microvascular flap through timely revision, a better understanding of physiologic perfusion dynamics is necessary. This exploratory study examines changes in microcirculation in free DIEP flaps within the first 72 h after vascular anastomosis using laser Doppler flowmetry and white-light spectrophotometry.
View Article and Find Full Text PDFMedicina (Kaunas)
January 2025
Department of Neonatology, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540142 Târgu Mures, Romania.
This study investigated and compared with European literature data the incidence, severity, and perinatal risk factors of retinopathy of prematurity (ROP) in preterm infants admitted to the Premature Department of Mureş County Clinical Hospital over a two-year period (January 2022-December 2023). : ROP screening was performed in 96 infants (76.8%) according to professional guidelines.
View Article and Find Full Text PDFMicromachines (Basel)
December 2024
Laboratory for Neural Interface and Brain Computer Interface, Engineering Research Center of AI & Robotics, Ministry of Education, Shanghai Engineering Research Center of AI & Robotics, MOE Frontiers Center for Brain Science, State Key Laboratory of Medical Neurobiology, Institute of AI & Robotics, Academy for Engineering & Technology, Fudan University, Shanghai 200433, China.
Minimally invasive endovascular stent electrodes are an emerging technology in neural engineering, designed to minimize the damage to neural tissue. However, conventional stent electrodes often rely on resistive welding and are relatively bulky, restricting their use primarily to large animals or thick blood vessels. In this study, the feasibility is explored of fabricating a laser welding stent electrode as small as 300 μm.
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