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Capnography monitoring

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https://www.readbyqxmd.com/read/29040312/end-tidal-carbon-dioxide-measurement-in-preterm-infants-with-low-birth-weight
#1
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/28984094/mucosal-and-cutaneous-capnometry-for-the-assessment-of-tissue-hypoperfusion
#2
Jihad Mallat, Benoit Vallet
In critically ill patients, tissue hypoperfusion is an important cause leading to multi- organ dysfunction and death, and it cannot always be detected by measuring standard global hemodynamic and oxygen-derived parameters. Gastric intramucosal PCO2 as measured by gastric tonometry has been recognized to be of clinical value as a prognostic factor, in assessing the effects of particular therapeutic interventions, and as an end-point of resuscitation. However, this technique has several limitations that have hampered its implementation in clinical practice...
October 4, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28938299/nonoperating-room-anesthesia-for-endoscopic-procedures
#3
Stephan Knigge, Klaus Hahnenkamp
PURPOSE OF REVIEW: The purpose of this review is to take a look on some practical aspects of anesthetic care in the endoscopy suite, concerning the general approach, safety, and monitoring issues. RECENT FINDINGS: Concerning propofol popularity for sedation during endoscopic procedures new studies create doubt in the safety of higher doses of propofol used for sedation. Careful titration of propofol, addition of synergistic supplements like ketamine and dexmedetomidine, and monitoring of anesthetic depth may limit the dose of propofol given to the patients...
September 21, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28920806/accuracy-of-noninvasive-anesthetic-monitoring-in-the-anesthetized-giraffe-giraffa-camelopardalis
#4
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/28918427/safety-of-monitored-anesthesia-care-using-propofol-based-sedation-for-pleuroscopy
#5
Erik Vakil, Mona Sarkiss, David Ost, Macarena R Vial, Roberto F Casal, Georgie A Eapen, Horiana B Grosu
BACKGROUND: The optimal approach to sedation for pleuroscopy remains undefined. Propofol is the favored sedative-hypnotic for many proceduralists but has a narrow therapeutic window and the risk for oversedation is high. Propofol-based sedation administered by anesthesiologists and the routine use of end-tidal capnography and bispectral index (BIS) monitoring may attenuate risks of complications. OBJECTIVES: The purpose of our study was to evaluate the safety and efficacy of monitored anesthesia care for pleuroscopy...
September 16, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28916326/are-wireless-electronic-stethoscopes-useful-for-respiratory-rate-monitoring-during-intravenous-sedation
#6
Keiko Morimoto, Yukako Tsutsui, Shin Ogura, Katsuhisa Sunda
PURPOSE: Wireless stethoscopes can measure respiratory rate noninvasively and continuously, but there are no reports of their use during dental treatment. This study evaluated the usefulness of wireless stethoscopes during dental procedures requiring intravenous sedation (IVS). MATERIALS AND METHODS: This study was a prospective cohort study. The study sample consisted of dental patients who received IVS by propofol or midazolam administration at the Nippon Dental University Hospital (Tokyo, Japan)...
August 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28819181/capnography-monitoring-the-hypoventilation-during-the-induction-of-bronchoscopic-sedation-a-randomized-controlled-trial
#7
Ting-Yu Lin, Yueh-Fu Fang, Shih-Hao Huang, Tsai-Yu Wang, Chih-Hsi Kuo, Hau-Tieng Wu, Han-Pin Kuo, Yu-Lun Lo
We hypothesize that capnography could detect hypoventilation during induction of bronchoscopic sedation and starting bronchoscopy following hypoventilation, may decrease hypoxemia. Patients were randomized to: starting bronchoscopy when hypoventilation (hypopnea, two successive breaths of at least 50% reduction of the peak wave compared to baseline or apnea, no wave for 10 seconds) (Study group, n = 55), or when the Observer Assessment of Alertness and Sedation scale (OAAS) was less than 4 (Control group, n = 59)...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28807576/evaluation-of-three-tidal-volumes-10-12-and-15%C3%A2-ml%C3%A2-kg-1-in-dogs-for-controlled-mechanical-ventilation-assessed-by-volumetric-capnography-a-randomized-clinical-trial
#8
Seline Bumbacher, Johannes P Schramel, Martina Mosing
OBJECTIVE: To evaluate three routinely used tidal volumes (VT; 10, 12 and 15 mL kg(-1)) for controlled mechanical ventilation (CMV) in lung-healthy anaesthetized dogs by assessing alveolar ventilation (VTalv) and dead space (DS). STUDY DESIGN: Prospective, randomized clinical trial. ANIMALS: A total of 36 client-owned dogs. METHODS: Dogs were randomly allocated to a VT of 10 (G10), 12 (G12) or 15 (G15) mL kg(-1). After induction CMV was started...
May 8, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28750882/unrecognized-failed-airway-management-using-a-supraglottic-airway-device
#9
Veer D Vithalani, Sabrina Vlk, Steven Q Davis, Neal J Richmond
BACKGROUND: 911 Emergency Medical Services (EMS) systems utilize supraglottic devices for either primary advanced airway management, or for airway rescue following failed attempts at direct laryngoscopy endotracheal intubation. There is, however, limited data on objective confirmation of supraglottic airway placement in the prehospital environment. Furthermore, the ability of EMS field providers to recognize a misplaced airway is unknown. METHODS: Retrospective review of patients who underwent airway management using the King LTS-D supraglottic airway in a large urban EMS system, between 3/1/15-9/30/2015...
October 2017: Resuscitation
https://www.readbyqxmd.com/read/28731933/continuous-capnography-reduces-the-incidence-of-opioid-induced-respiratory-rescue-by-hospital-rapid-resuscitation-team
#10
Mindy Stites, Jennifer Surprise, Jennifer McNiel, David Northrop, Martin De Ruyter
OBJECTIVE: The aim of this study was to determine the impact of end tidal carbon dioxide or capnography monitoring in patients requiring patient-controlled analgesia (PCA) on the incidence of opioid-induced respiratory depression (OIRD) in the setting of rapid response. METHODS: A retrospective analysis was conducted in an urban tertiary care facility on the incidence of OIRD in the setting of rapid response as defined by a positive response to naloxone from January 2012 to December 2015...
July 20, 2017: Journal of Patient Safety
https://www.readbyqxmd.com/read/28730315/comparison-of-nellcor%C3%A2-pm1000n-and-masimo-radical-7-%C3%A2-for-detecting-apnea-in-volunteers
#11
Chanatthee Kitsiripant, Tomoko Fukada, Hiroko Iwakiri, Yuri Tsuchiya, Makoto Ozaki, Minoru Nomura
PURPOSE: Although capnography is considered the gold standard for monitoring of ventilation, it may not work accurately in some situations. We compared the performance of two non-invasive continuous respiratory rate (RR) monitors that are alternatives for the detection of respiratory depression. METHODS: Fifty healthy volunteers ≥20 years old were enrolled in this study. After monitoring of the volunteers was started by the Masimo Radical-7(®) and Nellcor™ PM1000N, they breathed at the rate of 12 breaths/min for 3 min and then stopped breathing...
October 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28695980/arterial-to-end-tidal-carbon-dioxide-difference-in-children-undergoing-mechanical-ventilation-of-the-lungs-during-general-anaesthesia
#12
C Onodi, P K Bühler, J Thomas, A Schmitz, M Weiss
Capnography (ETCO2 ) is routinely used as a non-invasive estimate of arterial carbon dioxide (PaCO2 ) levels in order to modify ventilatory settings, whereby it is assumed that there is a positive gap between PaCO2 and ETCO2 of approximately 0.5 kPa. However, negative values (ETCO2 > PaCO2 ) can be observed. We retrospectively analysed arterial to end-tidal carbon dioxide differences in 799 children undergoing general anaesthesia with mechanical ventilation of the lungs in order to elucidate predictors for a negative gap...
July 11, 2017: Anaesthesia
https://www.readbyqxmd.com/read/28667196/patient-safety-during-procedural-sedation-using-capnography-monitoring-a-systematic-review-and-meta-analysis
#13
Rhodri Saunders, Michel M R F Struys, Richard F Pollock, Michael Mestek, Jenifer R Lightdale
OBJECTIVE: To evaluate the effect of capnography monitoring on sedation-related adverse events during procedural sedation and analgesia (PSA) administered for ambulatory surgery relative to visual assessment and pulse oximetry alone. DESIGN AND SETTING: Systematic literature review and random effects meta-analysis of randomised controlled trials (RCTs) reporting sedation-related adverse event incidence when adding capnography to visual assessment and pulse oximetry in patients undergoing PSA during ambulatory surgery in the hospital setting...
June 30, 2017: BMJ Open
https://www.readbyqxmd.com/read/28663642/capnographic-analysis-of-minimum-mandatory-flow-rate-for-hudson-face-mask-a-randomized-double-blind-study
#14
Pranjali Kurhekar, T Krishna Prasad, Buddhan Rajarathinam, M S Raghuraman
BACKGROUND: Oxygen supplementation through Hudson type face mask is frequently used in perioperative settings. Hudson mask is a variable rate performance device with the risk of rebreathing. Studies using capnography to find out an actual fraction of rebreathing in spontaneously breathing patients are not available. AIMS: In this study, we analyzed the effects of different flow rates through Hudson mask with capnography on fractional inspired carbon dioxide (FiCO2)...
April 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28662195/the-relationship-between-minute-ventilation-and-end-tidal-co2-in-intubated-and-spontaneously-breathing-patients-undergoing-procedural-sedation
#15
Jaideep H Mehta, George W Williams, Brian C Harvey, Navneet K Grewal, Edward E George
BACKGROUND: Monitoring respiratory status using end tidal CO2 (EtCO2), which reliably reflects arterial PaCO2 in intubated patients under general anesthesia, has often proven both inaccurate and inadequate when monitoring non-intubated and spontaneously breathing patients. This is particularly important in patients undergoing procedural sedation (e.g., endoscopy, colonoscopy). This can be undertaken in the operating theater, but is also often delivered outside the operating room by non-anesthesia providers...
2017: PloS One
https://www.readbyqxmd.com/read/28584436/titration-of-ideal-positive-end-expiratory-pressure-in-acute-respiratory-distress-syndrome-comparison-between-lower-inflection-point-and-esophageal-pressure-method-using-volumetric-capnography
#16
Nandakishore Baikunje, Inderpaul Singh Sehgal, Sahajal Dhooria, Kuruswamy Thurai Prasad, Ritesh Agarwal
The tenets of mechanical ventilation in acute respiratory distress syndrome (ARDS) include the utilization of low tidal volume and optimal application of positive end-expiratory pressure (PEEP). Optimal PEEP in ARDS is characterized by reduction in alveolar dead space along with improvement in the lung compliance and resultant betterment in oxygenation. There are various methods of setting PEEP in ARDS. Herein, we report a patient of ARDS, wherein we employed measurement of dead space using volumetric capnography to compare two different PEEP strategies, namely, the lower inflection point and transpulmonary pressure monitoring...
May 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28574856/camera-based-measurement-of-respiratory-rates-is-reliable
#17
Christoph Becker, Stefan Achermann, Mukul Rocque, Ihor Kirenko, Andreas Schlack, Thomas Dreher-Hummel, Thomas Zumbrunn, Roland Bingisser, Christian H Nickel
OBJECTIVES: Respiratory rate (RR) is one of the most important vital signs used to detect whether a patient is in critical condition. It is part of many risk scores and its measurement is essential for triage of patients in emergency departments. It is often not recorded as measurement is cumbersome and time-consuming. We intended to evaluate the accuracy of camera-based measurements as an alternative measurement to the current practice of manual counting. MATERIALS AND METHODS: We monitored the RR of healthy male volunteers with a camera-based prototype application and simultaneously by manual counting and by capnography, which was considered the gold standard...
June 1, 2017: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
https://www.readbyqxmd.com/read/28570147/estimating-arterial-partial-pressure-of-carbon-dioxide-in-ventilated-patients-how-valid-are-surrogate-measures
#18
Boulos S Nassar, Gregory A Schmidt
The arterial partial pressure of carbon dioxide (PaCO2) is an important parameter in critically ill, mechanically ventilated patients. To limit invasive procedures or for more continuous monitoring of PaCO2, clinicians often rely on venous blood gases, capnography, or transcutaneous monitoring. Each of these has advantages and limitations. Central venous Pco2 allows accurate estimation of PaCO2, differing from it by an amount described by the Fick principle. As long as cardiac output is relatively normal, central venous Pco2 exceeds the arterial value by approximately 4 mm Hg...
June 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28562388/procedural-sedation-in-the-icu-and-emergency-department
#19
Nikhil Chawla, Adjoa Boateng, Ranjit Deshpande
PURPOSE OF REVIEW: Procedures are increasingly being performed in the acute care setting, outside of the operating rooms (OR). This article aims to review the current literature on out-of-OR procedural sedation with a focus on the ICU and emergency department, highlighting the following topics: multidisciplinary team approach, choice of pharmacologic agent, sedation scales, current safety guidelines, anticipating complications, appropriate monitoring and necessary resources. RECENT FINDINGS: Subjective assessment of sedation using sedation scales is controversial...
August 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28530876/research-continuous-surveillance-of-sleep-apnea-patients-in-a-medical-surgical-unit
#20
Dana Supe, Leah Baron, Tom Decker, Kyle Parker, Jeanne Venella, Sarah Williams, Kari Beaton, John Zaleski
This report consists of two separate studies on the use of continuous capnography monitoring conducted in an effort to improve patient safety at Virtua Health System. The desire for improved patient safety is motivating continuous monitoring and improved surveillance in clinical areas not traditionally equipped for such monitoring. We explored the use of remote monitoring of capnography, using enterprise middleware, in patients recovering from surgery in a medical-surgical unit. Continuous monitoring traditionally has been used in higher-acuity settings, such as intensive care units...
May 2017: Biomedical Instrumentation & Technology
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