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Pulse oximeter

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https://www.readbyqxmd.com/read/29788919/prediction-of-fluid-responsiveness-in-mechanically-ventilated-cardiac-surgical-patients-the-performance-of-seven-different-functional-hemodynamic-parameters
#1
Michael T Ganter, Martin Geisen, Sonja Hartnack, Omer Dzemali, Christoph K Hofer
BACKGROUND: Functional hemodynamic parameters such as stroke volume and pulse pressure variation (SVV and PPV) have been shown to be reliable predictors of fluid responsiveness in mechanically ventilated patients. Today, different minimally- and non-invasive hemodynamic monitoring systems measure functional hemodynamic parameters. Although some of these parameters are described by the same name, they differ in their measurement technique and thus may provide different results. We aimed to test the performance of seven functional hemodynamic parameters simultaneously in the same clinical setting...
May 22, 2018: BMC Anesthesiology
https://www.readbyqxmd.com/read/29776787/the-value-of-peripheral-perfusion-index-measurements-for-early-detection-of-critical-cardiac-defects
#2
Ozgun Uygur, Ozge Altun Koroglu, Erturk Levent, Merve Tosyali, Mete Akisu, Mehmet Yalaz, Nilgun Kultursay
BACKGROUND: Approximately 25% of congenital heart diseases (CHD) are estimated to be critical and require an intervention. In this study, we aimed to investigate the additional value of peripheral perfusion index (PPI) measurements to pulse oximetry screening for critical CHD (CCHD). METHODS: Infants born at Ege University Hospital between May 2013 and September 2015 were prospectively included in the study. In addition to physical examination, pre- and postductal oxygen saturations and PPI values were measured with a new generation pulse oximeter before discharge from the hospital...
April 12, 2018: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/29771822/pulse-oximetry-and-arterial-oxygen-saturation-during-cardiopulmonary-exercise-testing
#3
Mona Ascha, Anirban Bhattacharyya, Jose A Ramos, Adriano R Tonelli
INTRODUCTION/PURPOSE: Peripheral capillary oxygen saturation (SpO2) is used as surrogate for arterial blood oxygen saturation. We studied the degree of discrepancy between SpO2 and arterial oxygen (SaO2) and identified parameters that may explain this difference. METHODS: We included patients who underwent cardiopulmonary exercise testing (CPET) at Cleveland Clinic. Pulse oximeters with forehead probes measured SpO2 and arterial blood gas (ABG) samples provided the SaO2 both at rest and peak exercise...
April 30, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29768341/the-plethysmographic-variability-index-does-not-predict-fluid-responsiveness-estimated-by-esophageal-doppler-during-kidney-transplantation-a-controlled-study
#4
Morgan Le Guen, Arnaud Follin, Etienne Gayat, Marc Fischler
Research is ongoing to find a noninvasive method of monitoring, which can predict fluid responsiveness in patients undergoing kidney transplantation.To compare the responses to fluid challenges with the Pleth Variability Index, a noninvasive dynamic index derived from plethysmographic variability (Radical 7 pulse oximeter; Masimo Corporation, Irvine, CA), and the esophageal Doppler, the criterion standard.Observational study.University hospital; study from May 2011 and May 2012.Forty-eight patients with end-renal function were included and 44 analyzed...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29745601/-effect-of-simulated-microgravity-on-peripheral-oxygen-saturation-in-rats
#5
Guangfei Chen, Yahui Zhang, Ming Yuan, Shilin He, Jun Ying, Chen Li
To study the effect of microgravity on peripheral oxygen saturation (SpO 2 ) in rats, tail-suspended rats were applied to simulate microgravity environment. SpO 2 and arterial oxygen saturation (SaO 2 ) were measured by pulse oximeter and arterial blood gas analyzer (ABGA) respectively on the 14th day, 21st day and 28th day in tail-suspended group and control group. Paired t -test shows that SpO 2 was significantly lower than SaO 2 in tail-suspended group on the 14th day ( P < 0.05), the 21st day ( P < 0...
February 1, 2018: Sheng Wu Yi Xue Gong Cheng Xue za Zhi, Journal of Biomedical Engineering, Shengwu Yixue Gongchengxue Zazhi
https://www.readbyqxmd.com/read/29739649/desaturation-times-between-dogs-preoxygenated-via-face-mask-or-flow-by-technique-before-induction-of-anesthesia
#6
Barbara Ambros, Maria Valentina Carrozzo, Teela Jones
OBJECTIVE: To compare time to desaturation after induction of anesthesia following administration of oxygen via face mask or flow-by for 3 minutes. STUDY DESIGN: Randomized crossover study. ANIMALS: A group of six healthy adult dogs weighing 15.0 ± 3.4 kg. METHODS: Dogs were anesthetized twice separated by 14 days. Intramuscular administration of dexmedetomidine (4 μg kg-1 ), acepromazine (0.01 mg kg-1 ) and butorphanol (0...
April 10, 2018: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29736769/world-health-organization-world-federation-of-societies-of-anaesthesiologists-who-wfsa-international-standards-for-a-safe-practice-of-anesthesia
#7
Adrian W Gelb, Wayne W Morriss, Walter Johnson, Alan F Merry
The International Standards for a Safe Practice of Anesthesia were developed on behalf of the World Federation of Societies of Anaesthesiologists (WFSA), a non-profit organization representing anesthesiologists in 150 countries, and the World Health Organization (WHO). The recommendations have been approved by WHO and the membership of WFSA. These Standards are applicable to all anesthesia providers throughout the world. They are intended to provide guidance and assistance to anesthesia providers, their professional organizations, hospital and facility administrators, and governments for maintaining and improving the quality and safety of anesthesia care...
May 7, 2018: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/29734568/carboxyhemoglobin-a-primer-for-clinicians
#8
Neil B Hampson
One of carbon monoxide's several mechanisms of toxicity is binding with circulating hemoglobin to form carboxyhemoglobin, resulting in a functional anemia. While patients with carbon monoxide poisoning are often said to be "cherry-red," such discoloration is rarely seen. Carboxyhemoglobin levels cannot be measured with conventional pulse oximetry, can be approximated with pulse CO-oximetry, and are most accurately measured with a laboratory CO-oximeter. Carboxyhemoglobin levels are quite stable and can be accurately measured on a transported blood sample...
March 2018: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/29734240/world-health-organization-world-federation-of-societies-of-anaesthesiologists-who-wfsa-international-standards-for-a-safe-practice-of-anesthesia
#9
Adrian W Gelb, Wayne W Morriss, Walter Johnson, Alan F Merry, Anuja Abayadeera, Natalia Belîi, Sorin J Brull, Aline Chibana, Faye Evans, Cyril Goddia, Carolina Haylock-Loor, Fauzia Khan, Sandra Leal, Nan Lin, Richard Merchant, Mark W Newton, Jackie S Rowles, Arinola Sanusi, Iain Wilson, Adriana Velazquez Berumen
The International Standards for a Safe Practice of Anesthesia were developed on behalf of the World Federation of Societies of Anaesthesiologists (WFSA), a nonprofit organization representing anesthesiologists in 150 countries, and the World Health Organization (WHO). The recommendations have been approved by WHO and the membership of WFSA. These Standards are applicable to all anesthesia providers throughout the world. They are intended to provide guidance and assistance to anesthesia providers, their professional organizations, hospital and facility administrators, and governments for maintaining and improving the quality and safety of anesthesia care...
June 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29728052/a-new-method-for-the-assessment-of-endothelial-function-with-peripheral-arterial-volume
#10
Daoyuan Si, Lujia Ni, Yunfei Wang, Jinsha Liu, Jining Yang, Ping Yang
BACKGROUND: Currently, many methodological approaches have been developed to assess peripheral endothelial function. However, a development of the noninvasive and automated technique for routinely assessing endothelial function is still required. We evaluated the potential value of a new method to measure peripheral endothelial function with reactive hyperemia peripheral arterial volume (RH-PAV) in patients with chest pain. METHODS: We used a novel oximeter-like probe to detect the peripheral arterial volume (PAV) of the finger and compared it with brachial flow-mediated dilation (FMD) performed in 93 consecutive patients with chest pain...
May 4, 2018: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/29726790/response-to-carbon-monoxide-poisoning-cases-presenting-with-non-specific-symptoms-by-deniz-accuracy-of-triage-with-rad-57-pulse-co-oximeter-in-suspected-collective-intoxication-of-a-pediatric-population
#11
Jacques Bessereau, F Heireche, V Bremond, A Boutin, S Petit, M Tsapis, L Boiron, A Puget, P Garry, M Coulange, F Kerbaul
No abstract text is available yet for this article.
May 2018: Toxicology and Industrial Health
https://www.readbyqxmd.com/read/29716488/a-two-centre-observational-study-of-simultaneous-pulse-oximetry-and-arterial-oxygen-saturation-recordings-in-intensive-care-unit-patients
#12
S J Ebmeier, M Barker, M Bacon, R C Beasley, R Bellomo, C Knee Chong, G M Eastwood, J Gilchrist, H Kagaya, J Pilcher, S K Reddy, E Ridgeon, N Sarma, S Spragas, A Tanaka, M Tweedie, M Weatherall, P J Young
The influence of variables that might affect the accuracy of pulse oximetry (SpO<sub>2</sub>) recordings in critically ill patients is not well established. We sought to describe the relationship between paired SpO<sub>2</sub>/SaO<sub>2</sub> (oxygen saturation via arterial blood gas analysis) in adult intensive care unit (ICU) patients and to describe the diagnostic performance of SpO<sub>2</sub> in detecting low SaO<sub>2</sub> and PaO<sub>2</sub>...
May 2018: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/29705429/technical-note-evaluation-of-a-wireless-pulse-oximeter-for-measuring-arterial-oxygen-saturation-and-pulse-rate-in-newborn-holstein-friesian-calves
#13
P Kanz, S Krieger, M Drillich, M Iwersen
Pulse oximetry is a well-established technique in human and veterinary medicine. In farm animals, it could also be a useful tool for the detection of critical conditions relating to oxygen supply and the cardiovascular system. Among other uses, an innovative application could be the monitoring of fetuses during birth. This could help in the early identification of critical situations and support farmers and veterinarians in their decision to start obstetric or life-support interventions. Until now, however, its use in ruminant medicine was still limited to experimental applications...
April 25, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29667301/the-feasibility-of-using-the-brighthearts-biofeedback-assisted-relaxation-application-for-the-management-of-pediatric-procedural-pain-a-pilot-study
#14
Karen L O Burton, Angela M Morrow, Brooke V Beswick, George P Khut
OBJECTIVE: The objective of this pilot study was to assess the acceptability and feasibility of using BrightHearts, a biofeedback-assisted relaxation application (app), in children undergoing painful procedures. METHODS: Thirty children 7 to 18 years of age undergoing a medical procedure (peripheral blood collection, botulinum toxin injection, or intravenous cannula insertion) participated. Participants used BrightHearts, a heart rate-controlled biofeedback-assisted relaxation training app delivered via an iPad with heart rate measured through a pulse oximeter worn on the ear or thumb...
April 17, 2018: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/29628603/zero-oxygen-saturation-in-pulse-oximeter-need-for-clinical-correlation
#15
Chitra Rajeswari Thangaswamy
No abstract text is available yet for this article.
January 2018: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29614329/presetting-ecg-electrodes-for-earlier-heart-rate-detection-in-the-delivery-room
#16
Rashmi Gulatia, Michael Zayeka, Fabien Eyala
AIM: To determine whether heart rate (HR) could be detected earlier than by pulse oximeter (POX), using a novel method of application of electrocardiogram (ECG) electrodes during neonatal resuscitation in the delivery room. METHODS: ECG electrodes were set before delivery to be applied to the back of infants' thorax. Time to detect HR was recorded as soon as a numerical HR along with a recognizable and persistent QRS complex was observed on ECG monitor (HRECG) and a plethysmographic waveform was seen on POX monitor (HRPOX)...
March 31, 2018: Resuscitation
https://www.readbyqxmd.com/read/29611786/extravasation-injury-leading-to-acute-compartment-syndrome-in-a-child-the-vital-role-of-pulse-oximetry-in-early-detection-and-management
#17
Daniel Rodger, Jacinda Hammerschlag
Acute compartment syndrome as a result of an extravasation injury is rare. The perioperative environment presents a unique risk that may contribute to more serious patient outcomes. Using a case study approach we report that the placement of a pulse oximeter on the cannulated limb can provide the first sign of vascular compromise.
April 2018: Journal of Perioperative Practice
https://www.readbyqxmd.com/read/29581664/effects-of-inspiratory-muscle-training-on-pulmonary-functions-and-muscle-strength-in-sedentary-hemodialysis-patients
#18
Heba A Bahey El-Deen, Fahad Salam Alanazi, Khaled Takey Ahmed
[Purpose] This study was conducted to evaluate the effect of Inspiratory Muscle Trainer (IMT) on respiratory muscle strength and pulmonary functions. [Subjects and Methods] Fifteen sedentary unemployed patients were recruited from both genders who received regular hemodialysis sessions from at least three months. Those patients received Threshold IMT program for 12 weeks. Pulmonary functions and respiratory muscle strength in form of (PImax) and (PEmax) were measured by electronic spirometry and digital pressure vacuum meter respectively...
March 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29574409/a-cohort-study-reporting-normal-oximetry-values-in-healthy-infants-under-4-months-of-age-using-masimo-technology
#19
Hazel J Evans, Anne S Karunatilleke, Sarah Grantham-Hill, Johanna C Gavlak
OBJECTIVE: To determine sleeping saturation indices in healthy infants using a modern pulse oximeter with motion artefact extraction technology. DESIGN: Prospective cohort. SETTING: Home. SUBJECTS: Healthy term infants. INTERVENTION: Nocturnal pulse oximetry at home at 1 month of age (Recording 1) and repeated at age 3-4 months (Recording 2). Parents documented sleep times. Visi-Download software (Stowood Scientific) analysed data with artefact and wake periods removed...
March 24, 2018: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/29564732/validation-of-the-oxygen-desaturation-index-in-the-diagnostic-workup-of-obstructive-sleep-apnea
#20
Timon M Fabius, Jeffrey R Benistant, Lindsey Bekkedam, Job van der Palen, Frans H C de Jongh, Michiel M M Eijsvogel
INTRODUCTION: Obstructive sleep apnea (OSA) is common, and diagnosis requires expensive and laborious testing to assess the apnea hypopnea index (AHI). We performed an analysis to explore the relationship between the oxygen desaturation index (ODI) as measured with pulse oximetry and the AHI in our large portable monitoring (PM) database to find an optimal cutoff value for the ODI in order to be able to exclude AHI ≥ 5 on PM. METHODS: Three thousand four hundred thirteen PM recordings were randomly divided into a training set (N = 2281) and a test set (N = 1132)...
March 21, 2018: Sleep & Breathing, Schlaf & Atmung
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