Zeiler, F. A. Donnelly, J. Cardim, D. Menon, D. K. Smielewski, P. Czosnyka, M.
Published in
Neurocritical Care
BackgroundTo explore the relationship between various autoregulatory indices in order to determine which approximate small vessel/microvascular (MV) autoregulatory capacity most accurately.MethodsUtilizing a retrospective cohort of traumatic brain injury patients (N = 41) with: transcranial Doppler (TCD), intracranial pressure (ICP) and cortical la...
Mosdósi, Bernadett Bölcskei, Kata Helyes, Zsuzsanna
Published in
Pediatric Rheumatology
Background Raynaud’s phenomenon (RP) is a functional vascular disease, presenting with recurrent episodes of ischemia of extremities in response to cold and emotional stress. Investigating cutaneous microcirculation is an important tool in understanding the complex neuro-immuno-vascular interactions in its pathophysiological mechanisms. Since there...
Zimmerman, Lauren L Rice, Indie C Berger, Mitchell B Bruns, Tim M
Published in
The journal of sexual medicine
There is clinical evidence that percutaneous tibial nerve stimulation can positively benefit women with female sexual interest/arousal disorder, yet no studies have explored the potential mechanisms further. To investigate the effect of tibial nerve stimulation on vaginal blood perfusion (VBP) in an anesthetized rat model. 16 ketamine-anesthetized ...
Virdyawan, V Rodriguez y Baena, F Oldfield, M
Puncturing blood vessels during percutaneous intervention in minimally invasive brain surgery can be a life threatening complication. Embedding a forward looking sensor in a rigid needle has been proposed to tackle this problem but, when using a rigid needle, the procedure needs to be interrupted and the needle extracted if a vessel is detected. As...
Hsiu, Hsin Hu, Hsiao-Feng Tsai, Hung-Chi
Published in
Microvascular research
This study performed laser-Doppler flowmetry (LDF) measurements with the aim of identifying differences in diabetes-induced microcirculatory-blood-flow (MBF) responses between the following skin surface measurement sites: an acupoint around the wrist, an acupoint around the ankle, and a nearby nonacupoint around the ankle. The 67 study subjects wer...
Fernández-Susavila, Héctor Iglesias-Rey, Ramón Dopico-López, Antonio Pérez-Mato, María Sobrino, Tomás Castillo, José Campos, Francisco
Published in
Disease models & mechanisms
Proper occlusion of the medial cerebral artery, as determined by laser Doppler monitoring, during cerebral ischaemia in rat models is an important inclusion criterion in experimental studies. However, successful occlusion of the artery does not always guarantee a reproducible infarct volume, which is crucial for validating the efficacy of new prote...
Wenger, Andrea Amr, Amro Schaller, Hans-Eberhard Rothenberger, Jens
Published in
European Surgical Research
Background/Purpose: An improvement of the blood flow would be beneficial in microvascular upper-extremity reconstruction and in digit replantation. In the present work, skin perfusion changes and their duration due to axillary plexus block were quantified. Methods: The peripheral blood flow of the upper extremities in 20 patients undergoing trapezi...
Hu, Hsiao-Feng Hsiu, Hsin Sung, Ciao-Jyuan Lee, Chien-Hsing
Published in
Lasers in Medical Science
We aimed to identify the microcirculatory regulatory mechanisms in diabetic and prediabetic humans using a noninvasive method combining spectral analysis with laser-Doppler flowmetry (LDF) measurements on the skin surface. LDF signals were measured by a moorVMS-LDF device to measure the microcirculatory blood flow flux with a time constant of 0.001...
Xiu-kun, Yuan Xiao-qi, Tang Guo-lu, M. A.
Published in
Journal of Optics
We describe and investigate a method to monitor flexural and torsional vibration of the main axle in a numerically controlled machining tool. The method uses the Doppler-frequency shift of a laser beam. More specifically, the axle vibration is measured using the differential method of two parallel beams and Mach–Zehnder heterodyne interference. The...
Borghini, Raffaele Puzzono, Marta Rosato, Edoardo Di Tola, Marco Marino, Mariacatia Greco, Francesca Picarelli, Antonio
Published in
Biological Trace Element Research
Nickel (Ni) is often the trigger of irritable bowel syndrome (IBS)-like gastrointestinal disorders: its ingestion may cause allergic contact mucositis, identifiable by means of oral mucosa patch test (omPT). OmPT effectiveness has been proven, but it is still an operator-dependent method. Laser Doppler perfusion imaging (LDPI) was tested to support...
