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Capnography

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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/29037628/attention-demand-effects-on-respiration-in-chronic-low-back-pain-patients
#2
Babak Goosheh, Majid Ravanbakhsh, Mahyar Salavati, Ismail Ebrahimi Takamjani, Behnam Akhbari, Amir Hossein Kahlaee
Increasing attention is being drawn towards the involvement of systems other than the musculoskeletal one in the presence of low back pain (LBP). Recent evidence suggests both cognitive and respiratory functions to be affected in LBP patients. The aim of this study was to compare the effect of performance of a cognitive task on the respiratory function in LBP patients with that in control participants. Capnography and spirometry parameters of 48 participants (24 in each group) were assessed under 3 cognitive loading conditions (no, easy and difficult cognitive task)...
October 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/29018000/waveform-capnography-an-alternative-to-physician-gestalt-in-determining-optimal-intubating-conditions-after-administration-of-paralytic-agents
#3
Anthony Scoccimarro, Jason R West, Marc Kanter, Nicholas D Caputo
PURPOSE: We sought to evaluate the utility of waveform capnography (WC) in detecting paralysis, by using apnoea as a surrogate determinant, as compared with clinical gestalt during rapid sequence intubation. Additionally, we sought to determine if this improves the time to intubation and first pass success rates through more consistent and expedient means of detecting optimal intubating conditions (ie, paralysis). METHODS: A prospective observational cohort study of consecutively enrolled patients was conducted from April to June 2016 at an academic, urban, level 1 trauma centre in New York City...
October 10, 2017: Emergency Medicine Journal: EMJ
https://www.readbyqxmd.com/read/28993038/capnography-in-the-emergency-department-a-review-of-uses-waveforms-and-limitations
#4
Brit Long, Alex Koyfman, Michael A Vivirito
BACKGROUND: Capnography has many uses in the emergency department (ED) and critical care setting, most commonly cardiac arrest and procedural sedation. OBJECTIVE OF THE REVIEW: This review evaluates several indications concerning capnography beyond cardiac arrest and procedural sedation in the ED, as well as limitations and specific waveforms. DISCUSSION: Capnography includes the noninvasive measurement of CO2, providing information on ventilation, perfusion, and metabolism in intubated and spontaneously breathing patients...
October 6, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28984094/mucosal-and-cutaneous-capnometry-for-the-assessment-of-tissue-hypoperfusion
#5
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
#6
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/28932302/predictive-value-of-tracheal-rapid-ultrasound-exam-performed-in-the-emergency-department-for-verification-of-tracheal-intubation
#7
Babak Masoumi, Reza Azizkhani, Gilava Hedayati Emam, Morteza Asgarzadeh, Behrouz Zargar Kharazi
BACKGROUND: Verification of the correct placement of the endotracheal tube (ETT) has been one of the most challenging issues of airway management in the field of emergency medicine. Early detection of oesophagal intubation through a reliable method is important for emergency physicians. AIM: The aim of this study was to assess the diagnostic accuracy of tracheal rapid ultrasound exam (TRUE) to assess endotracheal tube misplacement during emergency intubation. METHODS: This was an observational prospective study performed in the emergency department of the major tertiary referral hospital in the city...
August 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28926214/diagnosis-and-management-of-acute-exacerbations-of-chronic-obstructive-pulmonary-disease
#8
Van Holden, Donald Slack III, Michael T. McCurdy, Nirav G. Shah
Acute exacerbation of chronic obstructive pulmonary disease (COPD) is a clinical diagnosis that is based on changes in dyspnea, cough, and/or sputum production in a COPD patient; however, patients presenting with an acute exacerbation may be undiagnosed or have a variety of comorbid conditions that can complicate diagnosis. This issue presents strategies and algorithms for the early use of evidence-based interventions, including appropriate use of antibiotics, bronchodilators, and corticosteroids, along with noninvasive ventilation with capnography, to minimize morbidity and mortality associated with this disease...
October 2017: Emergency Medicine Practice
https://www.readbyqxmd.com/read/28920806/accuracy-of-noninvasive-anesthetic-monitoring-in-the-anesthetized-giraffe-giraffa-camelopardalis
#9
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
#10
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
#11
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/28890572/capnography-in-the-endoscopy-suite-a-necessity-not-a-luxury
#12
Jeson Rajan Doctor, Reshma Ambulkar, Rohit Patnaik, Jigeeshu V Divatia
No abstract text is available yet for this article.
August 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28887332/the-cerebro-cardiovascular-response-to-periodic-squat-stand-maneuvers-in-healthy-subjects-a-time-domain-analysis
#13
Sam C Barnes, Naomi Ball, Victoria Joanna Haunton, Thompson G Robinson, Ronney B Panerai
BACKGROUND: Squat-stand maneuvers (SSMs) have been used to improve the coherence of transfer function analysis (TFA) estimates during the assessment of dynamic cerebral autoregulation (dCA). There is a need to understand the influence of peripheral changes resulting from SSMs on cerebral blood flow, which might confound estimates of dCA. METHODS: 29 healthy subjects underwent recordings at rest (5 min standing) and 15 SSMs (0.05Hz). Heart rate (3-lead ECG), end-tidal CO2 (capnography), blood pressure (Finometer), cerebral blood velocity (CBV, transcranial Doppler, MCA) and the angle of the thigh (tilt sensor) were measured continuously...
September 8, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28883045/breath-to-breath-variability-of-exhaled-co2-as-a-marker-of-lung-dysmaturity-in-infancy
#14
Sotirios Fouzas, Ilias Theodorakopoulos, Edgar Wilfried Delgado-Eckert, Philipp Latzin, Urs Frey
The concept of diffusional screening implies that breath-to-breath variations in CO2 clearance, when related to the variability of breathing, may contain information on the quality and utilization of the available alveolar surface. We explored the validity of the above hypothesis in a cohort of young infants of comparable post-menstrual age but born at different stages of lung maturity, namely, in term-born infants (N = 128), preterm-born infants without chronic lung disease of infancy (CLDI) (N = 53) and preterm infants with moderate/severe CLDI (N = 87)...
September 7, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28827165/reproducibility-of-task-activation-using-the-addenbrooke-s-cognitive-examination-in-healthy-controls-a-functional-transcranial-doppler-ultrasonography-study
#15
L Beishon, C A L Williams, R B Panerai, T G Robinson, V J Haunton
INTRODUCTION: Cerebral blood flow velocity (CBFv) changes occurring with cognitive stimulation can be measured by Transcranial Doppler ultrasonography (TCD). The aim of this study was to assess the reproducibility of CBFv changes to the Addenbrooke's cognitive examination (ACE-III). NEW METHOD: 13 volunteers underwent bilateral TCD (middle cerebral artery), continuous heart rate (HR, 3-lead ECG, Finometer), beat-to-beat mean arterial pressure (MAP, Finometer), and end-tidal CO2 (ETCO2, capnography)...
November 1, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28819181/capnography-monitoring-the-hypoventilation-during-the-induction-of-bronchoscopic-sedation-a-randomized-controlled-trial
#16
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
#17
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/28754357/what-is-the-utility-of-end-tidal-capnography-for-procedural-sedation-and-analgesia-in-the-emergency-department
#18
EDITORIAL
Michael Gottlieb, Melissa Rice
No abstract text is available yet for this article.
July 26, 2017: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/28750882/unrecognized-failed-airway-management-using-a-supraglottic-airway-device
#19
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
#20
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
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