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End-tidal carbon dioxide

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https://www.readbyqxmd.com/read/29146451/effect-of-rate-of-administration-of-propofol-or-alfaxalone-on-induction-dose-requirements-and-occurrence-of-apnea-in-dogs
#1
Sarah E Bigby, Thierry Beths, Sébastien Bauquier, Jennifer E Carter
OBJECTIVE: To evaluate the effect of rate of administration of propofol or alfaxalone on induction dose requirements and incidence of postinduction apnea (PIA) in dogs following premedication with methadone and dexmedetomidine. STUDY DESIGN: Prospective, randomized clinical trial. ANIMALS: Thirty-two healthy American Society of Anesthesiologists class I client-owned dogs (seven females, 25 males), aged between 5 and 54 months, weighing between 2...
May 2, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29140968/end-tidal-carbon-dioxide-use-for-tracheal-intubation-analysis-from-the-national-emergency-airway-registry-for-children-near4kids-registry
#2
Melissa L Langhan, Beth L Emerson, Sholeen Nett, Matthew Pinto, Ilana Harwayne-Gidansky, Kyle J Rehder, Conrad Krawiec, Keith Meyer, John S Giuliano, Erin B Owen, Keiko M Tarquinio, Ron C Sanders, Michael Shepherd, Gokul Kris Bysani, Asha N Shenoi, Natalie Napolitano, Sandeep Gangadharan, Simon J Parsons, Dennis W Simon, Vinay M Nadkarni, Akira Nishisaki
OBJECTIVE: Waveform capnography use has been incorporated into guidelines for the confirmation of tracheal intubation. We aim to describe the trend in waveform capnography use in emergency departments and PICUs and assess the association between waveform capnography use and adverse tracheal intubation-associated events. DESIGN: A multicenter retrospective cohort study. SETTING: Thirty-four hospitals (34 ICUs and nine emergency departments) in the National Emergency Airway Registry for Children quality improvement initiative...
November 14, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/29132458/-efficacy-of-analgesic-and-sedative-treatments-in-children-with-mechanical-ventilation-in-the-pediatric-intensive-care-unit
#3
Xiao-Fang Cai, Fu-Rong Zhang, Long Zhang, Ji-Min Sun, Wen-Bin Li
OBJECTIVE: To compare the efficacy and safety of different analgesic and sedative treatments in children with mechanical ventilation in the pediatric intensive care unit (PICU). METHODS: Eighty children with mechanical ventilation in the PICU who needed analgesic and sedative treatments were equally and randomly divided into midazolam group and remifentanil+midazolam group. The sedative and analgesic effects were assessed using the Ramsay Scale and the Face, Legs, Activity, Cry and Consolability (FLACC) Scale...
November 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29125380/breathing-pattern-recordings-using-respiratory-inductive-plethysmography-before-and-after-a-physiotherapy-breathing-retraining-program-for-asthma-a-case-report
#4
Rokhsaneh Tehrany, Ruth DeVos, Anne Bruton
Breathing retraining (BR) improves symptoms, psychological well-being and quality of life in adults with asthma; but there remains uncertainty as to mechanism of effect. One of the intuitively logical theories is that BR works through altering breathing pattern. There is currently no evidence, however, that BR does result in measurable changes in breathing pattern. In this case report we describe the effects of physiotherapy BR on a 57-year-old female with a 10-year history of asthma. Data were collected before and after a physiotherapy BR program comprising three sessions over 18 weeks: breathing pattern (respiratory inductive plethysmography (RIP); physiology (end tidal carbon dioxide (ETCO2), heart rate, oxygen saturations, spirometric lung function); questionnaires (Asthma Control Questionnaire (ACQ), Hospital Anxiety and Depression Score, Nijmegen Questionnaire); and medication usage...
November 10, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29110581/outcomes-of-drug-induced-sleep-endoscopy-directed-surgery-for-pediatric-obstructive-sleep-apnea
#5
Shan He, Nithin S Peddireddy, David F Smith, Angela L Duggins, Christine Heubi, Sally R Shott, Stacey L Ishman
Objectives To determine the effectiveness of pediatric drug-induced sleep endoscopy (DISE)-directed surgery for children with infant obstructive sleep apnea (OSA) or OSA after adenotonsillectomy. Study Design Case series with chart review. Setting Tertiary care pediatric hospital. Subjects and Methods We included 56 children undergoing DISE from October 2013 to September 2015 who underwent subsequent surgery to address OSA. The primary outcome was successful response to DISE-directed surgery based on the postoperative obstructive Apnea-Hypopnea Index (oAHI)...
November 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29109315/assessment-of-alteration-in-capnometry-monitoring-during-intravenous-sedation-with-midazolam-for-oral-surgical-procedures
#6
Kavitha G, Pallavi K Kakade, Madhavi Singh, Mahesh Ahire, Melvin Augustine, Kinjal D Jain
INTRODUCTION: Capnography is routinely used for monitoring of patients subjected to sedation for different surgical procedures. There is still paucity of data highlighting the capnographic assessment of patients on midazolam sedation undergoing oral surgical procedures. Hence, we planned the present study to assess the alterations occurring in the end-tidal carbon dioxide (ETCO2) values monitored during intravenous (IV) sedation with midazolam during various oral surgical procedures. MATERIALS AND METHODS: The present study included assessment of alteration in ETCO2 values occurring during oral surgical procedure...
November 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29083268/advances-in-remote-respiratory-assessments-for-people-with-chronic-obstructive-pulmonary-disease-a-systematic-review
#7
Sidney Baroi, Renae J McNamara, David K McKenzie, Simon Gandevia, Matthew A Brodie
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is a leading cause of mortality. Advances in remote technologies and telemedicine provide new ways to monitor respiratory function and improve chronic disease management. However, telemedicine does not always include remote respiratory assessments, and the current state of knowledge for people with COPD has not been evaluated. OBJECTIVE: Systematically review the use of remote respiratory assessments in people with COPD, including the following questions: What devices have been used? Can acute exacerbations of chronic obstructive pulmonary disease (AECOPD) be predicted by using remote devices? Do remote respiratory assessments improve health-related outcomes? MATERIALS AND METHODS: The review protocol was registered (PROSPERO 2016:CRD42016049333)...
October 30, 2017: Telemedicine Journal and E-health: the Official Journal of the American Telemedicine Association
https://www.readbyqxmd.com/read/29077815/low-end-tidal-carbon-dioxide-as-a-marker-of-severe-anaesthetic-anaphylaxis-the-missing-piece-of-the-puzzle
#8
M A Rose
No abstract text is available yet for this article.
November 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29066588/effect-of-high-flow-nasal-cannula-on-expiratory-pressure-and-ventilation-in-infant-pediatric-and-adult-models
#9
Katie R Nielsen, Laura E Ellington, Alan J Gray, Larissa I Stanberry, Lincoln S Smith, Robert M DiBlasi
BACKGROUND: Heated and humidified high-flow nasal cannula (HFNC) is a widely used form of respiratory support; however, data regarding optimal flows for a given patient size or disease state are lacking. A comprehensive study of the physiologic effects of HFNC is needed to better understand the mechanisms of action. The objective of the current study was to quantify the effect of HFNC settings in age-specific, anatomically correct nasal airways and spontaneously breathing lung models...
October 24, 2017: Respiratory Care
https://www.readbyqxmd.com/read/29060849/audible-capnometric-cues-with-end-tidal-carbon-dioxide-improve-the-quality-of-patient-monitoring
#10
Toshiki Aoki, Masayuki Inoue, Kiyoyuki Miyasaka
The importance of capnometry and end-tidal carbon dioxide (ETCO2) has been underscored in recent years by guidelines as a method to continuously monitor adequacy of ventilation during sedation and anesthesia. Guidelines for cardiopulmonary resuscitation (CPR) recommend attempts to improve CPR quality if ETCO2 is lower than 10 mmHg. ETCO2 is thus a time-critical parameter that may benefit from being delivered in real time to health care providers. We performed a pilot study to investigate whether the addition of audible capnometric cues after each breath enhanced providers' ability to maintain appropriate ventilation over conventional capnography...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29059313/hypoxic-hypercapnic-and-hyperoxic-responses-of-the-optic-nerve-head-and-subfoveal-choroid-blood-flow-in-healthy-humans
#11
Mathilde Gallice, Thierry Zhou, Florent Aptel, Samuel Verges, Charles Riva, Martial Geiser, Christophe Chiquet
Purpose: To investigate the impact of different gas mixtures (hyperoxia, hypoxia, and hypercapnia) on the optic nerve head (ONH) and choroidal (Ch) hemodynamics. Methods: Twenty-three healthy subjects (28 ± 6 years) took part in the study. Variations in inspired oxygen and carbon dioxide fraction were produced by a gas mixing device. Arterial oxygen saturation (SpO2) was measured continuously using a transcutaneous sensor and end-tidal carbon dioxide partial pressure by capnography...
October 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29056259/relationship-between-left-ventricle-position-and-haemodynamic-parameters-during-cardiopulmonary-resuscitation-in-a-pig-model
#12
Yong Hun Jung, Kyung Woon Jeung, Dong Hun Lee, Young Won Jeong, Sung Min Lee, Byung Kook Lee, In Seok Jeong, Sang-Kwon Lee, Jihye Choi
BACKGROUND: From the viewpoint of cardiac pump theory, the area of the left ventricle (LV) subjected to compression increases as the LV lies closer to the sternum, possibly resulting in higher blood flow in patients with LV closer to the sternum. However, no study has evaluated LV position during cardiac arrest or its relationship with haemodynamic parameters during cardiopulmonary resuscitation (CPR). The objectives of this study were to determine whether the position of the LV relative to the anterior-posterior axis representing the direction of chest compression shifts during cardiac arrest and to examine the relationship between LV position and haemodynamic parameters during CPR...
September 24, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/29051306/peripheral-chemosensitivity-is-not-blunted-during-2%C3%A2-h-of-thermoneutral-head-out-water-immersion-in-healthy-men-and-women
#13
James R Sackett, Zachary J Schlader, Suman Sarker, Christopher L Chapman, Blair D Johnson
Carbon dioxide (CO2) retention occurs during water immersion, but it is not known if peripheral chemosensitivity is altered during water immersion, which could contribute to CO2 retention. We tested the hypothesis that peripheral chemosensitivity to hypercapnia and hypoxia is blunted during 2 h of thermoneutral head out water immersion (HOWI) in healthy young adults. Peripheral chemosensitivity was assessed by the ventilatory, heart rate, and blood pressure responses to hypercapnia and hypoxia at baseline, 10, 60, 120 min, and post HOWI and a time-control visit (control)...
November 2017: Physiological Reports
https://www.readbyqxmd.com/read/29047136/apnoeic-oxygenation-with-high-flow-nasal-oxygen-for-laryngeal-surgery-a-case-series
#14
C Lyons, M Callaghan
Surgery under apnoeic conditions with the use of high-flow nasal oxygen is novel. Between November 2016 and May 2017, 28 patients underwent tubeless laryngeal or tracheal surgery under apnoeic conditions with high-flow nasal oxygen as the sole method of gas exchange. Patients received total intravenous anaesthesia and neuromuscular blocking agents for the duration of their surgery. The median (IQR [range]) apnoea time was 19 (15-24 [9-37]) min. Four patients experienced an episode of oxygen desaturation to a value between 85% and 90%, lasting less than 2 min in each case...
November 2017: Anaesthesia
https://www.readbyqxmd.com/read/29040312/end-tidal-carbon-dioxide-measurement-in-preterm-infants-with-low-birth-weight
#15
Hsin-Ju Lin, Ching-Tzu Huang, Hsiu-Feng Hsiao, Ming-Chou Chiang, Mei-Jy Jeng
OBJECTIVE: There are conflicting data regarding the use of end-tidal carbon dioxide (PetCO2) measurement in preterm infants. The aim of this study was to evaluate the effects of different dead space to tidal volume ratios (VD/VT) on the correlation between PetCO2 and arterial carbon dioxide pressure (PaCO2) in ventilated preterm infants with respiratory distress syndrome (RDS). METHODS: We enrolled ventilated preterm infants (with assist control mode or synchronous intermittent mandatory mode) with RDS who were treated with surfactant in this prospective study...
2017: PloS One
https://www.readbyqxmd.com/read/29037800/clinical-comparison-of-dexmedetomidine-and-medetomidine-for-isoflurane-balanced-anaesthesia-in-horses
#16
Muriel Sacks, Simone K Ringer, Andrea S Bischofberger, Sabrina M Berchtold, Regula Bettschart-Wolfensberger
OBJECTIVE: To compare the effects of two balanced anaesthetic protocols (isoflurane-dexmedetomidine versus medetomidine) on sedation, cardiopulmonary function and recovery in horses. STUDY DESIGN: Prospective, blinded, randomized clinical study. ANIMALS: Sixty healthy adult warm blood horses undergoing elective surgery. METHODS: Thirty horses each were sedated with dexmedetomidine 3.5 μg kg(-1) (group DEX) or medetomidine 7 μg kg(-1) (group MED) intravenously...
April 26, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29026971/is-impaired-cerebral-vasoreactivity-an-early-marker-of-cognitive-decline-in-multiple-sclerosis-patients
#17
Aude Metzger, Emmanuelle Le Bars, Jeremy Deverdun, François Molino, Bénédicte Maréchal, Marie-Christine Picot, Xavier Ayrignac, Clarisse Carra, Luc Bauchet, Alexandre Krainik, Pierre Labauge, Nicolas Menjot de Champfleur
OBJECTIVE: The link between cerebral vasoreactivity and cognitive status in multiple sclerosis remains unclear. The aim of the present study was to investigate a potential decrease of cerebral vasoreactivity in multiple sclerosis patients and correlate it with cognitive status. METHODS: Thirty-three patients with multiple sclerosis (nine progressive and 24 remitting forms, median age: 39 years, 12 males) and 22 controls underwent MRI with a hypercapnic challenge to assess cerebral vasoreactivity and a neuropsychological assessment...
October 12, 2017: European Radiology
https://www.readbyqxmd.com/read/29025898/aging-is-associated-with-increased-propensity-for-central-apnea-during-nrem-sleep
#18
Susmita Chowdhuri, Sukanya Pranathiageswaran, Hillary Loomis-King, Anan Salloum, M Safwan Badr
The reason for increased sleep disordered breathing with predominance of central apneas in the elderly is unknown. We hypothesized that the propensity to central apneas is increased in older adults, manifested by a reduced carbon-dioxide (CO2) reserve in older compared to young adults during non-REM (NREM) sleep. METHODS: 10 elderly and 15 young healthy adults underwent multiple brief trials of nasal noninvasive positive pressure ventilation during stable NREM sleep. Cessation of mechanical ventilation (MV) resulted in hypocapnic central apnea or hypopnea...
October 12, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29016381/randomized-study-comparing-the-effect-of-carbon-dioxide-insufflation-on-veins-using-2-types-of-endoscopic-and-open-vein-harvesting
#19
Bhuvaneswari Krishnamoorthy, William R Critchley, Janesh Nair, Ignacio Malagon, John Carey, James B Barnard, Paul D Waterworth, Rajamiyer V Venkateswaran, James E Fildes, Ann L Caress, Nizar Yonan
OBJECTIVE: The aim of the study was to assess whether the use of carbon dioxide insufflation has any impact on integrity of long saphenous vein comparing 2 types of endoscopic vein harvesting and traditional open vein harvesting. METHODS: A total of 301 patients were prospectively randomized into 3 groups. Group 1 control arm of open vein harvesting (n = 101), group 2 closed tunnel (carbon dioxide) endoscopic vein harvesting (n = 100) and Group 3 open tunnel (carbon dioxide) endoscopic vein harvesting (open tunnel endoscopic vein harvesting) (n = 100)...
September 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28984090/bispectral-index-monitored-sevoflurane-requirement-might-be-decreased-in-individuals-with-major-depressive-disorder
#20
Veysel Erden, Cihan Güler, Seda Seven, Sevda Bağ, Ali G Kara, Şenay Kirgezen
BACKGROUND: GABA (γ-aminobutyric acid) is the primary inhibitory neurotransmitter in the CNS and well-known target for general anesthetics. In addition, the dysregulation of GABA could be involved in the etiology of MDD. In this study, we aimed to determine whether MDD has any effect on anesthetic requirement measured by bispectral index (BIS). METHODS: This study was designed as a prospective, observational study, registered ANZCTR (ACTRN12616001295437), with institutional review board approval and written informed consent...
October 4, 2017: Minerva Anestesiologica
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