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UPPER DIGESTIVE ENDOSCOPY IN CAPTIVE COATIS (, LINNAEUS, 1766).
J Zoo Wildl Med
March 2025
Department of Veterinary Surgery and Animal Reproduction, School of Veterinary Medicine and Animal Science, São Paulo State University, Botucatu, 18618-681, São Paulo, Brazil.
This study aimed to perform upper digestive endoscopy in clinically healthy coatis (), based on descriptions in domestic dogs and cats. In addition, research was carried out for r in stomach samples. Five adult male coatis, weighing between 2.
View Article and Find Full Text PDFCompact Monocular Video-Ophthalmoscope to Measure Retinal Reflectance Changes to Flicker Light Stimuli.
J Biophotonics
March 2025
Department of Ophthalmology, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany.
This paper describes a compact video-ophthalmoscope (VO) designed for capturing retinal video sequences of the optic nerve head (ONH) under flicker light stimulation. The device uses an OLED display and a fiber optic-coupled LED light source, enabling high-frame-rate video at low illumination intensity (12 μW/cm). Retinal responses were recorded in 10 healthy subjects during flicker light exposure with a pupil irradiance of 2 μW/cm.
View Article and Find Full Text PDFClassification of Carotid Plaque with Jellyfish Sign Through Convolutional and Recurrent Neural Networks Utilizing Plaque Surface Edges.
Annu Int Conf IEEE Eng Med Biol Soc
July 2024
In carotid arteries, plaque can develop as localized elevated lesions. The Jellyfish sign, marked by fluctuating plaque surfaces with blood flow pulsation, is a dynamic characteristic of these plaques that has recently attracted attention. Detecting this sign is vital, as it is often associated with cerebral infarction.
View Article and Find Full Text PDFNon-Invasive Assessment of Dynamic Cerebral Blood Flow Using Near-Field Coupling and Synchronized Electrocardiography.
Annu Int Conf IEEE Eng Med Biol Soc
July 2024
Dynamic assessment of cerebral blood flow (CBF) is crucial for the prevention and treatment of cerebrovascular diseases. Near-field coupling (NFC), due to its non-invasive and continuous advantages, holds significant promise in the dynamic assessment of CBF compared to traditional detection methods. However, challenges related to individual differences persist.
View Article and Find Full Text PDFIn pulse oximetry, arterial blood pulsations are used to estimate peripheral arterial oxygen saturation (SpO2) using photoplethysmography (PPG). On the contrary, peripheral venous oxygen saturation (SvO2) assessment remains challenging due to the absence of rhythmic blood volume fluctuations in the venous system. This paper introduces an electro-pneumatic system emulating the Venous Muscle Pump Test (VMPT) to induce venous blood pulsations.
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