keyword
MENU ▼
Read by QxMD icon Read
search

applied physiology in anesthesia

keyword
https://www.readbyqxmd.com/read/28920806/accuracy-of-noninvasive-anesthetic-monitoring-in-the-anesthetized-giraffe-giraffa-camelopardalis
#1
Mads F Bertelsen, Carsten Grøndahl, George F Stegmann, Cathrine Sauer, Niels H Secher, J Michael Hasenkam, Mads Damkjær, Christian Aalkjær, Tobias Wang
This study evaluated the accuracy of pulse oximetry, capnography, and oscillometric blood pressure during general anesthesia in giraffes (Giraffa camelopardalis). Thirty-two giraffes anesthetized for physiologic experiments were instrumented with a pulse oximeter transmittance probe positioned on the tongue and a capnograph sampling line placed at the oral end of the endotracheal tube. A human size 10 blood pressure cuff was placed around the base of the tail, and an indwelling arterial catheter in the auricular artery continuously measured blood pressure...
September 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28836107/neural-network-classifier-for-automatic-detection-of-invasive-versus-noninvasive-airway-management-technique-based-on-respiratory-monitoring-parameters-in-a-pediatric-anesthesia
#2
Jorge A Gálvez, Ali Jalali, Luis Ahumada, Allan F Simpao, Mohamed A Rehman
Children undergoing general anesthesia require airway monitoring by an anesthesia provider. The airway may be supported with noninvasive devices such as face mask or invasive devices such as a laryngeal mask airway or an endotracheal tube. The physiologic data stored provides an opportunity to apply machine learning algorithms distinguish between these modes based on pattern recognition. We retrieved three data sets from patients receiving general anesthesia in 2015 with either mask, laryngeal mask airway or endotracheal tube...
August 23, 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28776233/after-hour-versus-daytime-shifts-in-non-operating-room-anesthesia-environments-national-distribution-of-case-volume-patient-characteristics-and-procedures
#3
Rodney A Gabriel, Brittany N Burton, Mitchell H Tsai, Jesse M Ehrenfeld, Richard P Dutton, Richard D Urman
The objective of this study was to characterize workload during all hours of the day in the non-operating room anesthesia (NORA) environment and identify what type of patients and procedures were more likely to occur during after-hours. By investigating data from the National Anesthesia Clinical Outcomes Registry, we characterized the total number of ongoing NORA cases per hour of the day (0 - 23 h). Results were presented as the mean hour and standard error (SE). Multivariable logistic regression was applied to assess the association of various patient, procedural, and facility characteristics with time of day (after-hours = 17:01-06:59 local time versus day-time)...
September 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28713258/relationship-of-topology-multiscale-phase-synchronization-and-state-transitions-in-human-brain-networks
#4
Minkyung Kim, Seunghwan Kim, George A Mashour, UnCheol Lee
How the brain reconstitutes consciousness and cognition after a major perturbation like general anesthesia is an important question with significant neuroscientific and clinical implications. Recent empirical studies in animals and humans suggest that the recovery of consciousness after anesthesia is not random but ordered. Emergence patterns have been classified as progressive and abrupt transitions from anesthesia to consciousness, with associated differences in duration and electroencephalogram (EEG) properties...
2017: Frontiers in Computational Neuroscience
https://www.readbyqxmd.com/read/28604088/effect-of-topical-anesthesia-using-an-adhesive-patch-and-anesthetic-solution
#5
Toshiyuki Kishimoto, Nobuyuki Matsuura, Masataka Kasahara, Tatsuya Ichinohe
We analyzed trigeminal somatosensory evoked potentials (TSEP) to the alveolar mucosa to investigate the efficacy of an amide local anesthetic, 2% lidocaine hydrochloride with 12.5 μg/mL epinephrine (Lido treatment) as a topical anesthetic. Eighteen consenting healthy adult volunteers were enrolled. A volume of 0.06 mL of Lido, 0.06 g of 20% benzocaine, or 0.06 mL of physiological saline (control) was instilled onto a hemostatic adhesive patch, which was then applied to the alveolar mucosa at the maxillary right canine for 5 minutes...
2017: Anesthesia Progress
https://www.readbyqxmd.com/read/28403594/the-effect-of-surgical-technique-on-hemodynamics-arterial-oxygenation-and-pulmonary-mechanics-in-radical-prostatectomy-operations
#6
Yucel Yuce, Kutlu Hakan Erkal, Cemal Goktas, Bilal Eryildirim, Kemal Sarica
OBJECTIVE: The effects of surgical technique on respiratory mechanics, arterial oxygenation and hemodynamics in radical prostatectomy operation were investigated. METHODS: The study was planned on ASA II-III, 40-65 years old, fourty patients scheduled for radical prostatectomy under general anesthesia. They were divided into two groups: perineal and suprapubic (Group P, n = 20; Group S, n = 20). Heart rate, mean arterial blood pressure, arterial oxygen saturation (SpO2), partial pressure of end-tidal carbon dioxide (PEtCO2), Peak inspiratory pressure (PIP), plato pressure (Pplato), partial pressure of oxygen in arterial blood (PaO2), partial pressure of carbon dioxide in arterial blood (PaCO2) values were evaluated at 10 minutes after induction...
March 31, 2017: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/28321365/testing-the-habituation-assumption-underlying-models-of-parasitoid-foraging-behavior
#7
Paul K Abram, Antonino Cusumano, Katrina Abram, Stefano Colazza, Ezio Peri
BACKGROUND: Habituation, a form of non-associative learning, has several well-defined characteristics that apply to a wide range of physiological and behavioral responses in many organisms. In classic patch time allocation models, habituation is considered to be a major mechanistic component of parasitoid behavioral strategies. However, parasitoid behavioral responses to host cues have not previously been tested for the known, specific characteristics of habituation. METHODS: In the laboratory, we tested whether the foraging behavior of the egg parasitoid Trissolcus basalis shows specific characteristics of habituation in response to consecutive encounters with patches of host (Nezara viridula) chemical contact cues (footprints), in particular: (i) a training interval-dependent decline in response intensity, and (ii) a training interval-dependent recovery of the response...
2017: PeerJ
https://www.readbyqxmd.com/read/28217085/resting-state-fmri-in-mice-reveals-anesthesia-specific-signatures-of-brain-functional-networks-and-their-interactions
#8
Qasim Bukhari, Aileen Schroeter, David M Cole, Markus Rudin
fMRI studies in mice typically require the use of anesthetics. Yet, it is known that anesthesia alters responses to stimuli or functional networks at rest. In this work, we have used Dual Regression analysis Network Modeling to investigate the effects of two commonly used anesthetics, isoflurane and medetomidine, on rs-fMRI derived functional networks, and in particular to what extent anesthesia affected the interaction within and between these networks. Experimental data have been used from a previous study (Grandjean et al...
2017: Frontiers in Neural Circuits
https://www.readbyqxmd.com/read/28122159/hypothermia-and-targeted-temperature-management-in-cats-and-dogs
#9
REVIEW
Andrea Brodeur, Annie Wright, Yonaira Cortes
OBJECTIVE: To review current knowledge surrounding the effects, treatment, and prognosis of hypothermia in people, dogs, and cats, as well as the application of therapeutic hypothermia in clinical medicine. ETIOLOGY: Hypothermia may be a primary or secondary condition, and may be due to environmental exposure, illness, medications, anesthesia, or trauma. Hypothermia has been applied therapeutically in human medicine for a variety of conditions, including postcardiac arrest...
March 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28097611/assessing-nitrous-oxide-effect-using-electroencephalographically-based-depth-of-anesthesia-measures-cortical-state-and-cortical-input
#10
Levin Kuhlmann, David T J Liley
Existing electroencephalography (EEG) based depth of anesthesia monitors cannot reliably track sedative or anesthetic states during n-methyl-D-aspartate (NMDA) receptor antagonist based anesthesia with ketamine or nitrous oxide (N2O). Here, a physiologically-motivated depth of anesthesia monitoring algorithm based on autoregressive-moving-average (ARMA) modeling and derivative measures of interest, Cortical State (CS) and Cortical Input (CI), is retrospectively applied in an exploratory manner to the NMDA receptor antagonist N2O, an adjuvant anesthetic gas used in clinical practice...
January 17, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/27899319/cost-effective-raspberry-pi-based-radio-frequency-identification-tagging-of-mice-suitable-for-automated-in-vivo-imaging
#11
Federico Bolaños, Jeff M LeDue, Timothy H Murphy
BACKGROUND: Automation of animal experimentation improves consistency, reduces potential for error while decreasing animal stress and increasing well-being. Radio frequency identification (RFID) tagging can identify individual mice in group housing environments enabling animal-specific tracking of physiological parameters. NEW METHOD: We describe a simple protocol to radio frequency identification (RFID) tag and detect mice. RFID tags were injected sub-cutaneously after brief isoflurane anesthesia and do not require surgical steps such as suturing or incisions...
January 30, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/27746553/prevention-of-hypotension-induced-by-combined-spinal-epidural-anesthesia-using-continuous-infusion-of-vasopressin-a-randomized-trial
#12
Chetna Shamshery, Ashish Kannaujia, Rajashree Madabushi, Dinesh Singh, Divya Srivastava, Shobhana Jafa
BACKGROUND: Central neuraxial blockade (CNB) is an established technique of providing anesthesia for surgeries of the lower limb and abdomen. Hypotension is the most common side effect of CNB. It was hypothesized that by supplementing the initial burst of vasopressin following hypovolemia, hypotension following combined spinal epidural anesthesia (CSEA) could be avoided. MATERIALS AND METHODS: A total of 122 patients undergoing lower limb and abdomen surgeries were included in the study, with 61 patients randomized into two groups - I and II...
September 2016: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/27725946/design-of-multichannel-functional-near-infrared-spectroscopy-system-with-application-to-propofol-and-sevoflurane-anesthesia-monitoring
#13
Zhenhu Liang, Yue Gu, Xuejing Duan, Lei Cheng, Shujuan Liang, Yunjie Tong, Xiaoli Li
Monitoring the changes of cerebral hemodynamics and the state of consciousness during general anesthesia (GA) is clinically important. There is a great need for developing advanced detectors to investigate the physiological processes of the brain during GA. We developed a multichanneled, functional near-infrared spectroscopy (fNIRS) system device and applied it to GA operation monitoring. The cerebral hemodynamic data from the forehead of 11 patients undergoing propofol and sevoflurane anesthesia were analyzed...
October 2016: Neurophotonics
https://www.readbyqxmd.com/read/27719852/functional-coma
#14
REVIEW
L Ludwig, L McWhirter, S Williams, C Derry, J Stone
Functional coma - here defined as a prolonged motionless dissociative attack with absent or reduced response to external stimuli - is a relatively rare presentation. In this chapter we examine a wide range of terms used to describe states of unresponsiveness in which psychologic factors are relevant to etiology, such as depressive stupor, catatonia, nonepileptic "pseudostatus," and factitious disorders, and discuss the place of functional or psychogenic coma among these. Historically, diagnosis of functional coma has sometimes been reached after prolonged investigation and exclusion of other diagnoses...
2016: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/27702586/physiological-effects-of-a-habituation-procedure-for-functional-mri-in-awake-mice-using-a-cryogenic-radiofrequency-probe
#15
Keitaro Yoshida, Yu Mimura, Ryosuke Ishihara, Hiroshi Nishida, Yuji Komaki, Tomohito Minakuchi, Tomokazu Tsurugizawa, Masaru Mimura, Hideyuki Okano, Kenji F Tanaka, Norio Takata
BACKGROUND: Functional magnetic resonance imaging (fMRI) in mice is typically performed under anesthesia due to difficulties in holding the head of awake mice stably with a conventional three-point fixation method that uses a tooth-bar and earplugs. Although some studies have succeeded in fMRI in awake mice by attaching a head-post on the skull, this cannot be applied to fMRI using a high signal-to-noise ratio (SNR) cryogenic MRI-detector, CryoProbe, because it covers the head of a mouse closely...
December 1, 2016: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/27680060/-strategy-and-prospective-of-enhanced-recovery-after-surgery-for-esophageal-cancer
#16
Yin Li
Enhanced recovery after surgery (ERAS) is a patient-centered, surgeon-led system combining anesthesia, nursing, nutrition and psychology. It aims to minimize surgical stress and maintain physiological function in perioperative care, thereby expediting recovery. ERAS theory has been clinically applied for nearly 20 years and it is firstly used in colorectal surgery, then widely used in other surgical fields. However, ERAS is not used commonly in esophagectomy because of its surgical complexity and high morbidity of postoperative complications, which limits the application of ERAS in the field of esophagectomy...
September 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27515457/blood-pressure-and-heart-rates-in-neonates-and-preschool-children-an-analysis-from-10-years-of-electronic-recording
#17
Cedric E Sottas, David Cumin, Brian J Anderson
BACKGROUND: An acceptable systolic or mean arterial blood pressure for children 0-6 years during anesthesia is unknown. Accepted blood pressures reported in standard charts for healthy awake children may not apply to those undergoing anesthesia. AIM: Our goal was to define observed blood pressures (BP) and heart rate (HR) in children 0-5 years during anesthesia. METHODS: Data from the electronic health record database were available for a 10-year period from June 29, 2005 to July 22, 2015...
November 2016: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/27435862/physiologic-monitoring-improving-safety-or-increasing-risk
#18
EDITORIAL
Charles G Durbin
This paper will present a focused and personal history of physiologic monitoring, beginning with the discovery of modern anesthesia and its development from a technical practice to a scientific discipline. Emphasis will be on the essence of monitoring in the anesthesia evolution, and this work will attempt to answer the question of how to evaluate the impact of monitoring on patient outcome. Understanding that monitors are passive and that only caregivers using monitors can impact outcome is at the crux of this approach to analysis...
August 2016: Respiratory Care
https://www.readbyqxmd.com/read/27411333/a-novel-multivariate-steady-state-index-during-general-anesthesia-stan
#19
Ana Castro, Fernando Gomes de Almeida, Pedro Amorim, Catarina S Nunes
The assessment of the adequacy of general anesthesia for surgery, namely the nociception/anti-nociception balance, has received wide attention from the scientific community. Monitoring systems based on the frontal EEG/EMG, or autonomic state reactions (e.g. heart rate and blood pressure) have been developed aiming to objectively assess this balance. In this study a new multivariate indicator of patients' steady-state during anesthesia (STAN) is proposed, based on wavelet analysis of signals linked to noxious activation...
August 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/27359239/-anesthetic-management-in-bronchial-asthma
#20
Alf Kozian, Thomas Schilling, Thomas Hachenberg
In daily practice, acute and chronic pulmonary diseases are common issues presenting to the anesthetist. Respiratory physiology in general is affected by both general and regional anesthesia, which results in an increased number of perioperative complications in pulmonary risk patients. Therefore, anesthetic management of patients with bronchial asthma needs to address different clinical topics: the physical appearance of pulmonary disease, type and extent of surgical intervention as well as effects of therapeutic drugs, anesthetics and mechanical ventilation on respiratory function...
June 2016: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
keyword
keyword
67107
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"