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https://www.readbyqxmd.com/read/28430035/noninvasive-neuromodulation-and-thalamic-mapping-with-low-intensity-focused-ultrasound
#1
Robert F Dallapiazza, Kelsie F Timbie, Stephen Holmberg, Jeremy Gatesman, M Beatriz Lopes, Richard J Price, G Wilson Miller, W Jeffrey Elias
OBJECTIVE Ultrasound can be precisely focused through the intact human skull to target deep regions of the brain for stereotactic ablations. Acoustic energy at much lower intensities is capable of both exciting and inhibiting neural tissues without causing tissue heating or damage. The objective of this study was to demonstrate the effects of low-intensity focused ultrasound (LIFU) for neuromodulation and selective mapping in the thalamus of a large-brain animal. METHODS Ten Yorkshire swine ( Sus scrofa domesticus) were used in this study...
April 21, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28420683/hot-bodies-cold-war-the-forgotten-history-of-breast-thermography
#2
Jennifer Fraser
No abstract text is available yet for this article.
April 18, 2017: CMAJ: Canadian Medical Association Journal, Journal de L'Association Medicale Canadienne
https://www.readbyqxmd.com/read/28417907/a-classification-method-for-seed-viability-assessment-with-infrared-thermography
#3
Sen Men, Lei Yan, Jiaxin Liu, Hua Qian, Qinjuan Luo
This paper presents a viability assessment method for Pisum sativum L. seeds based on the infrared thermography technique. In this work, different artificial treatments were conducted to prepare seeds samples with different viability. Thermal images and visible images were recorded every five minutes during the standard five day germination test. After the test, the root length of each sample was measured, which can be used as the viability index of that seed. Each individual seed area in the visible images was segmented with an edge detection method, and the average temperature of the corresponding area in the infrared images was calculated as the representative temperature for this seed at that time...
April 12, 2017: Sensors
https://www.readbyqxmd.com/read/28417829/comparison-of-3-methods-for-preventing-perianesthetic-hypothermia-in-callimicos-callimico-goeldii
#4
Sathya K Chinnadurai James G Johnson Iii And Jennifer N Langan
Perianesthetic hypothermia is one of the most common complications in veterinary anesthesia, especially in small patients with a large body surface area to mass ratio. During anesthesia, body heat can be lost through 4 mechanisms-radiation, convection,conduction, and evaporation-but anesthetists frequently address only one mechanism at a time. Here we sought to evaluate 3 methods of preventing perianesthetic hypothermia in callimicos (Callimico goeldii). In our experience, these smallNHP routinely become hypothermic under even brief inhalant anesthesia...
April 17, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28411724/thermal-comfort-of-seats-as-visualized-by-infrared-thermography
#5
Rosemary Bom Conselho Sales, Romeu Rodrigues Pereira, Maria Teresa Paulino Aguilar, Antônio Valadão Cardoso
Published studies that deal with the question of how the temperature of chair seats influences human activities are few, but the studies considering such a factor, a function of the type of material, could contribute to improvements in the design of chairs. This study evaluates seat temperatures of 8 types of chairs made of different materials. The parts of the furniture that people come into contact with, and the thermal response of the material to heating and cooling have been evaluated. Infrared thermography was used for this, as it is a non-contact technique that does not present any type of risk in the measurement of temperatures...
July 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28407091/brassinosteroid-involvement-in-arabidopsis-thaliana-stomatal-opening
#6
Shin-Ichiro Inoue, Nozomi Iwashita, Yohei Takahashi, Eiji Gotoh, Eiji Okuma, Maki Hayashi, Ryohei Tabata, Atsushi Takemiya, Yoshiyuki Murata, Michio Doi, Toshinori Kinoshita, Ken-Ichiro Shimazaki
Stomata within the plant epidermis regulate CO2 uptake for photosynthesis and water loss through transpiration. Stomatal opening in Arabidopsis thaliana is determined by various factors, including blue light as a signal and multiple phytohormones. Plasma membrane transporters, including H+-ATPase, K+ channels, and anion channels in guard cells mediate these processes, and the activities and expression levels of these components determine stomatal aperture. However, the regulatory mechanisms involved in these processes are not fully understood...
April 12, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/28405947/accuracy-and-reliability-of-infrared-thermography-in-assessment-of-the-breasts-of-women-affected-by-cancer
#7
Rinaldo Roberto de Jesus Guirro, Maíta Marade Oliveira Lima Leite Vaz, Lais Mara Siqueira das Neves, Almir Vieira Dibai-Filho, Hélio Humberto Angotti Carrara, Elaine Caldeira de Oliveira Guirro
Evaluate reliability and accuracy of infrared thermography in the assessment of women wth breasts cancer. Thirty-five participants had unilateral breast cancer and 17 control subjects were assessed using infrared thermography. To evaluate reliability, two professionals, who were experienced, measured the temperature of the infrared images in two different moments, with a one-week interval. Biopsy was used as a gold standard exam with regard identify breast cancer. The analysis illustrated excellent reliability in terms of the affected, contralateral and control breasts with the intra-class correlation coefficient values ranging from 0...
May 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28403937/glucocorticoids-modulate-human-brown-adipose-tissue-thermogenesis-in-vivo
#8
RANDOMIZED CONTROLLED TRIAL
Hannah Scotney, Michael E Symonds, James Law, Helen Budge, Don Sharkey, Konstantinos N Manolopoulos
INTRODUCTION: Brown adipose tissue (BAT) is a thermogenic organ with substantial metabolic capacity and has important roles in the maintenance of body weight and metabolism. Regulation of BAT is primarily mediated through the β-adrenoceptor (β-AR) pathway. The in vivo endocrine regulation of this pathway in humans is unknown. The objective of our study was to assess the in vivo BAT temperature responses to acute glucocorticoid administration. METHODS: We studied 8 healthy male volunteers, not pre-selected for BAT presence or activity and without prior BAT cold-activation, on two occasions, following an infusion with hydrocortisone (0...
May 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28380618/temporal-spatial-inter-and-intra-cow-repeatability-of-thermal-imaging
#9
D T Byrne, D P Berry, H Esmonde, N McHugh
The objective of the present study was to quantify the within- and between-cow, operator, and day variances of various descriptive temperature parameters from different anatomical areas captured using thermal images on Holstein-Friesian cows. Three experiments were undertaken. In Exp. 1, 30 images were captured by a single operator of each of the eye, hoof, and udder from each of 45 cows; in Exp. 2, three different operators captured eye and hoof images from 12 cows; and in Exp. 3, eye and hoof images were captured by a single operator from 8 cows over a 5-d period...
February 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28360035/prognostic-value-of-early-response-assessment-using-18f-fdg-pet-in-patients-with-advanced-non-small-cell-lung-cancer-treated-with-tyrosine-kinase-inhibitors
#10
Jun Ma, Xiaojing Wu, Jianghong Li, Zhihua Wang, Yi Wang
The purpose of this meta-analysis was to determine the prognostic value of early response assessment using (18F)fluorodeoxyglucose (FDG)-positron emission thermography (PET) in patients with advanced non-small cell lung cancer (NSCLC) treated with tyrosine-kinase inhibitors (TKIs). MEDLINE, PubMed, Cochrane, EMBASE, and Google Scholar databases were searched until August 1, 2016 using the keywords non-small cell lung carcinoma, positron-emission tomography, fluorodeoxyglucose, prognosis, disease progression, survival, erlotinib, gefitinib, and afatinib...
March 30, 2017: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
https://www.readbyqxmd.com/read/28359047/medical-infrared-thermography-assistance-in-the-surgical-treatment-of-axillary-hidradenitis-suppurativa-a-case-report
#11
G Polidori, Y Renard, S Lorimier, H Pron, S Derruau, R Taiar
BACKGROUND: The purpose of this case report is to highlight for the first time the way Medical Infrared Thermography can be a helpful tool to assist the surgeon in the surgical treatment of Hidradenitis Suppurativa inflammatory disease. METHODS: A 36-year-old man with a 7-year history of Hidradenitis Suppurativa presented inflammatory nodules in the left axilla area corresponding to Hurley stage II. Choice is made to surgically treat this patient using a wide excision protocol combined with a postoperative second intention healing...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28349063/thermography-improves-clinical-assessment-in-patients-with-systemic-sclerosis-treated-with-ozone-therapy
#12
Danuta Nowicka
Objective. Treatment of scleroderma is challenging and limited. The aim of our study was to evaluate the usefulness of thermography in assessment of the clinical condition (joints movability and skin thickness) in clinically advanced patients with systemic sclerosis before and after ozone therapy. Method. The study included 42 patients aged 32 to 73 years with advanced systemic sclerosis hospitalized in the university clinic between 2003 and 2006. Thermography and clinical examinations were conducted at baseline and after two series of bath in water with ozone...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337635/measurement-of-bovine-body-and-scrotal-temperature-using-implanted-temperature-sensitive-radio-transmitters-data-loggers-and-infrared-thermography
#13
A L Wallage, J B Gaughan, A T Lisle, L Beard, C W Collins, S D Johnston
Synchronous and continuous measurement of body (BT) and scrotal temperature (ST) without adverse welfare or behavioural interference is essential for understanding thermoregulation of the bull testis. This study compared three technologies for their efficacy for long-term measurement of the relationship between BT and ST by means of (1) temperature sensitive radio transmitters (RT), (2) data loggers (DL) and (3) infrared imaging (IRI). After an initial pilot study on two bulls to establish a surgical protocol, RTs and DLs were implanted into the flank and mid-scrotum of six Wagyu bulls for between 29 and 49 days...
March 23, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28326760/microscopic-evaluation-of-electrical-and-thermal-conduction-in-random-metal-wire-networks
#14
Ritu Gupta, Ankush Kumar, Sridhar Sadasivam, Sunil Walia, Giridhar U Kulkarni, Timothy S Fisher, Amy Marconnet
Ideally, transparent heaters exhibit uniform temperature, fast response time, high achievable temperatures, low operating voltage, stability across a range of temperatures, and high optical transmittance. For metal network heaters, unlike for uniform thin-film heaters, all of these parameters are directly or indirectly related to the network geometry. In the past, at equilibrium, the temperature distributions within metal networks have primarily been studied using either a physical temperature probe or direct infrared (IR) thermography, but there are limits to the spatial resolution of these cameras and probes, and thus, only average regional temperatures have typically been measured...
April 5, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28306552/precise-determination-of-the-heat-delivery-during-in-vivo-magnetic-nanoparticle-hyperthermia-with-infrared-thermography
#15
Harley F Rodrigues, Gustavo Capistrano, Francyelli M Mello, Nicholas Zufelato, Elisângela Silveira-Lacerda, Andris F Bakuzis
Non-invasive and real-time monitoring of the heat delivery during magnetic nanoparticle hyperthermia (MNH) is of fundamental importance to predict clinical outcomes for cancer treatment. Infrared thermography (IRT) can determine the surface temperature due to three-dimensional heat delivery inside a subcutaneous tumor, an argument that is supported by numerical simulations. However, for precise temperature determination, it is of crucial relevance to use a correct experimental configuration. This work reports an MNH study using a sarcoma 180 murine tumor containing 3...
March 17, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28303621/distal-skin-vasodilation-promotes-rapid-sleep-onset-in-preterm-neonates
#16
Lucile Barcat, Pauline Decima, Emilie Bodin, Stephane Delanaud, Erwan Stephan-Blanchard, Andre Leke, Jean-Pierre Libert, Pierre Tourneux, Veronique Bach
Although sleep is of paramount importance for preterm neonates, care of the latter in a neonatal intensive care unit does not favour sleep. Given that several studies in adults have described a 'vegetative preparedness to sleep' (in which distal skin vasodilation before lights-out promotes rapid sleep onset), we looked at whether or not this process operates in preterm neonates. Sleep propensity was assessed in terms of the duration of a spontaneous episode of wakefulness (W). Skin temperatures at six body sites (the abdomen, pectoral region, eye, hand, thigh and foot) were measured (using infrared thermography) during nocturnal polysomnography in 29 9-day-old preterm neonates (postmenstrual age: 209 ± 9 days)...
March 17, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28280584/skin-temperature-changes-in-wild-chimpanzees-upon-hearing-vocalizations-of-conspecifics
#17
Guillaume Dezecache, Klaus Zuberbühler, Marina Davila-Ross, Christoph D Dahl
A growing trend of research using infrared thermography (IRT) has shown that changes in skin temperature, associated with activity of the autonomic nervous system, can be reliably detected in human and non-human animals. A contact-free method, IRT provides the opportunity to uncover emotional states in free-ranging animals during social interactions. Here, we measured nose and ear temperatures of wild chimpanzees of Budongo Forest, Uganda, when exposed to naturally occurring vocalizations of conspecifics. We found a significant temperature decrease over the nose after exposure to conspecifics' vocalizations, whereas we found a corresponding increase for ear temperature...
January 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28280382/retention-of-finger-blood-flow-against-postural-change-as-an-indicator-of-successful-sympathetic-block-in-the-upper-limb
#18
Toshihiko Nakatani, Tatsuya Hashimoto, Ichiro Sutou, Yoji Saito
BACKGROUND: Sympathetic block in the upper limb has diagnostic, therapeutic and prognostic utility for disorders in the upper extremity that are associated with sympathetic disturbances. Increased skin temperature and decreased sweating are used to identify the adequacy of sympathetic block in the upper limb after stellate ganglion block (SGB). Baroreflexes elicited by postural change induce a reduction in peripheral blood flow by causing sympathetic vasoconstriction. We hypothesized that sympathetic block in the upper limb reduces the decrease in finger blood flow caused by baroreflexes stimulated by postural change from the supine to long sitting position...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28273793/supportive-noninvasive-tool-for-the-diagnosis-of-breast-cancer-using-a-thermographic-camera-as-sensor
#19
Marco Antonio Garduño-Ramón, Sofia Giovanna Vega-Mancilla, Luis Alberto Morales-Henández, Roque Alfredo Osornio-Rios
Breast cancer is the leading disease in incidence and mortality among women in developing countries. The opportune diagnosis of this disease strengthens the survival index. Mammography application is limited by age and periodicity. Temperature is a physical magnitude that can be measured by using multiple sensing techniques. IR (infrared) thermography using commercial cameras is gaining relevance in industrial and medical applications because it is a non-invasive and non-intrusive technology. Asymmetrical temperature in certain human body zones is associated with cancer...
March 3, 2017: Sensors
https://www.readbyqxmd.com/read/28269059/vital-sign-monitoring-utilizing-eulerian-video-magnification-and-thermography
#20
Bauyrzhan Aubakir, Birzhan Nurimbetov, Iliyas Tursynbek, Huseyin Atakan Varol
In this paper we present a proof of concept for non-contact extraction of vital signs using RGB and thermal images obtained from a smart phone. Using our method, heart rate, respiratory rate and forehead temperature can be measured concurrently. Face detection and tracking is leveraged in order to allow natural motion of patients. Heart rate is estimated via processing of visible band RGB video using Eulerian Video Magnification technique. Respiratory rate and the temperature is measured using thermal video...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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